Leitner LH270 User manual

LH270/275 Manual
TM
manual_270-275_v5.indd 1 3/20/2017 1:17:58 PM

What’s in the Box
Your LH270 or
LH275 Headset
205mAh 3.75v
Lithium-Ion Battery
Battery
Compartment Cover
8.5v AC Adaptor
RJ-9 Phone Cord
Type A-to-Mini
USB Cord
3
Contents:
1. Product diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2. Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.1 Connecting to a telephone with a headset port . . . . . . . . . . . . . . . . 6
2.2 Connecting to a telephone without a headset port . . . . . . . . . . . . . . . 6
2.3 Connecting a handset lifter . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.4 Connecting an electronic hookswitch (EHS) cable . . . . . . . . . . . . . . . 7
2.5 Connecting to a computer USB port . . . . . . . . . . . . . . . . . . . . . . 7
2.6 Replacing the earpad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3. Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.1 Making and receiving calls . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.2 Making an outgoing call in telephone mode . . . . . . . . . . . . . . . . . . 7
3.3 Receiving an incoming call in telephone mode . . . . . . . . . . . . . . . . 8
3.4 Making an outgoing call in USB/PC mode . . . . . . . . . . . . . . . . . . . 8
3.5 Making a call using UniBase™ Mode . . . . . . . . . . . . . . . . . . . . . . 8
3.6 Adjusting the ring volume . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.7 Muting the headset volume . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.8 Headset microphone volume setting . . . . . . . . . . . . . . . . . . . . . 9
3.9 Adjusting headset listening volume . . . . . . . . . . . . . . . . . . . . . . 9
3.10 Out of range and reconnection . . . . . . . . . . . . . . . . . . . . . . . . 9
3.11 Battery level indication . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.12 Training mode and making a conference call . . . . . . . . . . . . . . . . 10
3.13 Overview of audio signals . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.14 Registering a new headset to the base . . . . . . . . . . . . . . . . . . . 11
3.15 Using with Skype for Business . . . . . . . . . . . . . . . . . . . . . . . . 12
3.16 Controlling the Automatic Answer feature for calls . . . . . . . . . . . . . . 12
4. Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5. Health and safety instructions . . . . . . . . . . . . . . . . . . . . . . . 13
3
manual_270-275_v5.indd 2 3/20/2017 1:17:59 PM

What’s in the Box
Your LH270 or
LH275 Headset
205mAh 3.75v
Lithium-Ion Battery
Battery
Compartment Cover
8.5v AC Adaptor
RJ-9 Phone Cord
Type A-to-Mini
USB Cord
3
Contents:
1. Product diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2. Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.1 Connecting to a telephone with a headset port . . . . . . . . . . . . . . . . 6
2.2 Connecting to a telephone without a headset port . . . . . . . . . . . . . . . 6
2.3 Connecting a handset lifter . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.4 Connecting an electronic hookswitch (EHS) cable . . . . . . . . . . . . . . . 7
2.5 Connecting to a computer USB port . . . . . . . . . . . . . . . . . . . . . . 7
2.6 Replacing the earpad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3. Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.1 Making and receiving calls . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.2 Making an outgoing call in telephone mode . . . . . . . . . . . . . . . . . . 7
3.3 Receiving an incoming call in telephone mode . . . . . . . . . . . . . . . . 8
3.4 Making an outgoing call in USB/PC mode . . . . . . . . . . . . . . . . . . . 8
3.5 Making a call using UniBase™ Mode . . . . . . . . . . . . . . . . . . . . . . 8
3.6 Adjusting the ring volume . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.7 Muting the headset volume . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.8 Headset microphone volume setting . . . . . . . . . . . . . . . . . . . . . 9
3.9 Adjusting headset listening volume . . . . . . . . . . . . . . . . . . . . . . 9
3.10 Out of range and reconnection . . . . . . . . . . . . . . . . . . . . . . . . 9
3.11 Battery level indication . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.12 Training mode and making a conference call . . . . . . . . . . . . . . . . 10
3.13 Overview of audio signals . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.14 Registering a new headset to the base . . . . . . . . . . . . . . . . . . . 11
3.15 Using with Skype for Business . . . . . . . . . . . . . . . . . . . . . . . . 12
3.16 Controlling the Automatic Answer feature for calls . . . . . . . . . . . . . . 12
4. Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5. Health and safety instructions . . . . . . . . . . . . . . . . . . . . . . . 13
3
3.15 Controlling the Automatic Answer feature for calls . . . . . . . . . . . . . . 12
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2
A. Base station
1. Battery indicator
2. PC button
3. Telephone (TEL) button
4. Online indicator
5. USB connector (PC port)
6. Power socket
7. EHS port
8. Telephone connector (‘Tel’ port)
9. Handset connector
10. EHS Selection switch
11. Microphone volume up/down
12. Wiring switch
5
7
6
9
8
10
11 12
1
4
3
2
Manual W9xx_02.pdf 1 6/23/2016 10:17:51 AM
Base Station
1. Battery indicator
2. Computer Mode button
3. Telephone (TEL) Mode button
4. Online indicator
5. USB connector
6. Power socket
7. AUX port
8. Telephone connector (TEL port)
9. Handset connector
10. Accessory Selection switch
11. Microphone volume up/down
12. Compatibility switch
4
C. IPN W980 monaural / IPN W985 binaural
1. Receive volume up/down
2. Mute
3. Headset ON/OFF
4. Noise cancelling boom
5. Battery
5
1
2
3
4
4 5
4
C. IPN W980 monaural / IPN W985 binaural
1. Receive volume up/down
2. Mute
3. Headset ON/OFF
4. Noise cancelling boom
5. Battery
5
1
2
3
4
Headset
1. Incoming volume up/down
2. Mute
3. Headset ON/OFF
(and Online Indicator)
4. Noise-canceling boom
5. Battery (note label orientation)
6. Battery door
56
5
Battery
orientation
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2
A. Base station
1. Battery indicator
2. PC button
3. Telephone (TEL) button
4. Online indicator
5. USB connector (PC port)
6. Power socket
7. EHS port
8. Telephone connector (‘Tel’ port)
9. Handset connector
10. EHS Selection switch
11. Microphone volume up/down
12. Wiring switch
5
7
6
9
8
10
11 12
1
4
3
2
Manual W9xx_02.pdf 1 6/23/2016 10:17:51 AM
Base Station
1. Battery indicator
2. Computer Mode button
3. Telephone (TEL) Mode button
4. Online indicator
5. USB connector
6. Power socket
7. AUX port
8. Telephone connector (TEL port)
9. Handset connector
10. Accessory Selection switch
11. Microphone volume up/down
12. Compatibility switch
4
C. IPN W980 monaural / IPN W985 binaural
1. Receive volume up/down
2. Mute
3. Headset ON/OFF
4. Noise cancelling boom
5. Battery
5
1
2
3
4
4 5
4
C. IPN W980 monaural / IPN W985 binaural
1. Receive volume up/down
2. Mute
3. Headset ON/OFF
4. Noise cancelling boom
5. Battery
5
1
2
3
4
Headset
1. Incoming volume up/down
2. Mute
3. Headset ON/OFF
(and Online Indicator)
4. Noise-canceling boom
5. Battery (note label orientation)
6. Battery door
56
5
Battery
orientation
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7
2. Setup
• Connectthepoweradaptorsuppliedwiththeproducttothebaseunit.
The base power LED will light.
NOTE: The rst time you use your headset, it is recommended that the headset is charged
for a minimum of 4 hours before use.
2.1 Connecting to a telephone or terminal with a headset port
• Usingtheheadsetcordsuppliedwiththeproduct,connectthe‘TEL’portonheadset
base with the headset port on your telephone.
• Usethepoweradaptorsuppliedwiththeproducttoconnecttheheadsetbasetoa
power socket.
• Youmayneedtoadjustthewiringswitchthatislocatedonthebottomofthe
headset base to nd the correct wiring for your device.
2.2 Connecting to a telephone or terminal without a headset port
• Usingtheheadsetcordsuppliedwiththeproduct,connectthe‘TEL’portonheadset
base with the ‘handset’ port on your telephone.
• Connectthetelephonehandsetcordtothehandsetportontheheadsetbase.
• Usethepoweradaptorsuppliedwiththeproducttoconnecttheheadsetbasetoa
power socket.
• Youmayneedtoadjustthewiringswitchthatislocatedonthebottomofthe
headset base to nd the correct wiring for your device.
2.3 Connecting to a compatible handset lifter (refer to your supplier)
• Fitthehandsetliftertoyourtelephoneasindicatedinitsuserguide.
• Connectthehandsetliftertothe‘EHS’portlocatedonthebackoftheheadsetbase.
NOTE: Charge your headset for 4 hours before you use it.
2.1 Connecting to a telephone with a headset port
• Using the included connector cord, connect the ‘TEL’port on the back of the
headset base with the headset port on your telephone.
• Use the power adaptor to connect the headset base to a power outlet.
• You may need to adjust the compatibility switch located on the bottom of the base
to find the correct setting for your device. The most common setting is 1.*
8
2.4 Connecting EHS with DHSG protocols (refer to your supplier)
• ConnecttheDHSGcabletoyourtelephoneasindicatedinitsuserguide.
• ConnecttheDHSGcabletothe‘EHS’portlocatedonthebackoftheheadsetbase.
With the handset lifter or DHSG cable connected, you will be able to answer and end calls
using the button located on the headset while away from your desk.
2.5 Connecting to a computer USB port
• ConnecttheUSBcablesuppliedwiththeproducttothe‘USB’portonthebackof
the headset base and to a available USB port on your computer.
• Thecomputershouldautomaticallyrecognisethedeviceandinstallthecorrect
drivers. Wait a few seconds before using the headset.
2.6 Wearing style
The IPN W9xx series is available in three variants:
• IPNW970Over-the-ear
• IPNW980Over-the-headmonaural
• IPNW985Over-the-headbinaural
To replace the earplug of the IPN W970: twist the earplug 90 degrees and pull the earplug
towards you.
To replace the ear cushion of the IPN W980 or IPN W985: put your thumb on the top of the
speaker and carefully pull the ear cushion at the bottom towards you.
7
2. Setup
• Connectthepoweradaptorsuppliedwiththeproducttothebaseunit.
The base power LED will light.
NOTE: The rst time you use your headset, it is recommended that the headset is charged
for a minimum of 4 hours before use.
2.1 Connecting to a telephone or terminal with a headset port
• Usingtheheadsetcordsuppliedwiththeproduct,connectthe‘TEL’portonheadset
base with the headset port on your telephone.
• Usethepoweradaptorsuppliedwiththeproducttoconnecttheheadsetbasetoa
power socket.
• Youmayneedtoadjustthewiringswitchthatislocatedonthebottomofthe
headset base to nd the correct wiring for your device.
2.2 Connecting to a telephone or terminal without a headset port
• Usingtheheadsetcordsuppliedwiththeproduct,connectthe‘TEL’portonheadset
base with the ‘handset’ port on your telephone.
• Connectthetelephonehandsetcordtothehandsetportontheheadsetbase.
• Usethepoweradaptorsuppliedwiththeproducttoconnecttheheadsetbasetoa
power socket.
• Youmayneedtoadjustthewiringswitchthatislocatedonthebottomofthe
headset base to nd the correct wiring for your device.
2.3 Connecting to a compatible handset lifter (refer to your supplier)
• Fitthehandsetliftertoyourtelephoneasindicatedinitsuserguide.
• Connectthehandsetliftertothe‘EHS’portlocatedonthebackoftheheadsetbase.
2.2 Connecting to a telephone without a headset port
• Using the included connector cord, connect the ‘TEL’port on the headset base
with the handset port on your telephone.
• Connect the telephone handset cord to the handset port on the headset base.
• Use the power adaptor to connect the headset base to a power outlet.
• You may need to adjust the compatibility switch located on the bottom of the base
to find the correct setting for your device. The most common setting is 1.*
7
2. Setup
• Connectthepoweradaptorsuppliedwiththeproducttothebaseunit.
The base power LED will light.
NOTE: The rst time you use your headset, it is recommended that the headset is charged
for a minimum of 4 hours before use.
2.1 Connecting to a telephone or terminal with a headset port
• Usingtheheadsetcordsuppliedwiththeproduct,connectthe‘TEL’portonheadset
base with the headset port on your telephone.
• Usethepoweradaptorsuppliedwiththeproducttoconnecttheheadsetbasetoa
power socket.
• Youmayneedtoadjustthewiringswitchthatislocatedonthebottomofthe
headset base to nd the correct wiring for your device.
2.2 Connecting to a telephone or terminal without a headset port
• Usingtheheadsetcordsuppliedwiththeproduct,connectthe‘TEL’portonheadset
base with the ‘handset’ port on your telephone.
• Connectthetelephonehandsetcordtothehandsetportontheheadsetbase.
• Usethepoweradaptorsuppliedwiththeproducttoconnecttheheadsetbasetoa
power socket.
• Youmayneedtoadjustthewiringswitchthatislocatedonthebottomofthe
headset base to nd the correct wiring for your device.
2.3 Connecting to a compatible handset lifter (refer to your supplier)
• Fitthehandsetliftertoyourtelephoneasindicatedinitsuserguide.
• Connectthehandsetliftertothe‘EHS’portlocatedonthebackoftheheadsetbase.
• Ensure that the Accessory switch is set to RHL.
*We’d love to help you get set up! Call us at 1-800-432-3738, Mon-Fri 6:00-4:30 Pacific Time
• Connect the handset lifter to the AUX port located on the back of the headset base.
9
3. Operation
3.1 Making and receiving calls
3.1.1 Making an outgoing call in telephone mode
• Ensurethatthe‘TEL’buttonontopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebasetostartthecall.Ifyouarealreadywearingtheheadset,
press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light. If a
handset lifter or electronic hookswitch device is connected to the headset base, the
line will be seized. Otherwise, you will also need to activate the headset port via your
telephone terminal.
• Dialthetelephonenumberonthetelephoneterminal
• Afternishingthecall,replacetheheadsetonthebaseorpresstheON/OFFbuttonto
disconnect. The‘Online Indicator’ LED will turn o.
3.1.2 Receiving an incoming call in telephone mode
• Ifthereisanincomingcallfromthetelephonelineandtheheadsetbaseisconnected
to a handset lifter or electronic hook switch device, the ‘TEL’LED and headset LED will
ash, also a ring tone will be heard on the headset.
• Lifttheheadsetfromthebasetoanswerthecall.Ifyouarealreadywearingthe
headset press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light.
If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be seized. Otherwise, you will also need to activate the headset port via
your telephone terminal.
• Toendthecall,replacetheheadsetonthebaseorpresstheheadsetON/OFFbutton.
9
3. Operation
3.1 Making and receiving calls
3.1.1 Making an outgoing call in telephone mode
• Ensurethatthe‘TEL’buttonontopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebasetostartthecall.Ifyouarealreadywearingtheheadset,
press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light. If a
handset lifter or electronic hookswitch device is connected to the headset base, the
line will be seized. Otherwise, you will also need to activate the headset port via your
telephone terminal.
• Dialthetelephonenumberonthetelephoneterminal
• Afternishingthecall,replacetheheadsetonthebaseorpresstheON/OFFbuttonto
disconnect. The‘Online Indicator’ LED will turn o.
3.1.2 Receiving an incoming call in telephone mode
• Ifthereisanincomingcallfromthetelephonelineandtheheadsetbaseisconnected
to a handset lifter or electronic hook switch device, the ‘TEL’LED and headset LED will
ash, also a ring tone will be heard on the headset.
• Lifttheheadsetfromthebasetoanswerthecall.Ifyouarealreadywearingthe
headset press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light.
If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be seized. Otherwise, you will also need to activate the headset port via
your telephone terminal.
• Toendthecall,replacetheheadsetonthebaseorpresstheheadsetON/OFFbutton.
• Press the headset’s ON/OFF button. The base’s Online Indicator LED will light.
• If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be engaged automatically. Otherwise, you will need lift the headset of your
telephone or activate the headset port on your telephone.
• To end the call, replace the headset on the base or press the ON/OFF button. If you do
not have an EHS cable or a handset lifter, you will need to manually disconnect the line.
• Press the headset’s ON/OFF button. The base ‘Online Indicator’ LED will light.
• If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be engaged automatically. Otherwise, you will need lift the headset of your
telephone or activate the headset button on your telephone.
• Dial the number you’re calling.
• After finishing the call, press the headset ON/OFF button to end the call if you have
a handset lifter or EHS cable. Otherwise, just hang up the phone manually.
3.2
3.3
10
3.1.3 Making an outgoing call in USB/PC mode
• Ensurethatthe‘PC’buttononthetopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebaseorpresstheheadset’sON/OFFbuttonifyouarealready
wearing it and the base ‘Online Indicator’ LED will light.
• AfternishingyourVOIPcall,presstheON/OFFbuttontodisconnect.Thebase
‘Online Indicator’ LED will turn o.
3.2 Adjusting the ringing volume
When the headset is ringing to indicate an incoming call, you can adjust the ring volume
with the volume control buttons located on the headset.
3.3 Muting the headset microphone
To mute the headset microphone when on a call, press the mute button on the headset.
While the headset is in mute mode, a short beep will be heard on the headset every 8
seconds. Press the mute button again to release the mute.
3.4 Headset transmitting volume setting
Youcanadjustthetransmitvolumeoftheheadsetbyusingthetwobuttons
located on the bottom of the headset base.
3.5 Adjusting headset receive volume
Use the volume control buttons on the headset to adjust the receive volume of your head-
set.Youwillhearabeepsoundforeachvolumestepupordown.
3.4
• If there is an incoming call and the headset base is connected to a handset lifter or
electronic hookswitch device, the TEL light and headset light will flash, and a ring
tone will be heard on the headset.
• Ensure that the TEL button on top of the headset base is selected.
• Press the headset’s ON/OFF button. The base’s Online Indicator will light.
the line will be engaged automatically. Otherwise, you will need lift the handset of
your telephone or activate the headset button on your telephone.
• Ensure that the PC button on the top of the headset base is selected.
• Lift the headset from the base, or press the headset’s ON/OFF button if you are
already wearing it, and the base’s Online Indicator will light.
• After finishing your call, press the ON/OFF button to disconnect. The base’s
Online Indicator will turn off.
the line will be engaged automatically. Otherwise, you will need lift the handset of
your telephone or activate the headset button on your telephone.
7 8
6
7
7
2. Setup
• Connectthepoweradaptorsuppliedwiththeproducttothebaseunit.
The base power LED will light.
NOTE: The rst time you use your headset, it is recommended that the headset is charged
for a minimum of 4 hours before use.
2.1 Connecting to a telephone or terminal with a headset port
• Usingtheheadsetcordsuppliedwiththeproduct,connectthe‘TEL’portonheadset
base with the headset port on your telephone.
• Usethepoweradaptorsuppliedwiththeproducttoconnecttheheadsetbasetoa
power socket.
• Youmayneedtoadjustthewiringswitchthatislocatedonthebottomofthe
headset base to nd the correct wiring for your device.
2.2 Connecting to a telephone or terminal without a headset port
• Usingtheheadsetcordsuppliedwiththeproduct,connectthe‘TEL’portonheadset
base with the ‘handset’ port on your telephone.
• Connectthetelephonehandsetcordtothehandsetportontheheadsetbase.
• Usethepoweradaptorsuppliedwiththeproducttoconnecttheheadsetbasetoa
power socket.
• Youmayneedtoadjustthewiringswitchthatislocatedonthebottomofthe
headset base to nd the correct wiring for your device.
2.3 Connecting to a compatible handset lifter (refer to your supplier)
• Fitthehandsetliftertoyourtelephoneasindicatedinitsuserguide.
• Connectthehandsetliftertothe‘EHS’portlocatedonthebackoftheheadsetbase.
8
2.4 Connecting EHS with DHSG protocols (refer to your supplier)
• ConnecttheDHSGcabletoyourtelephoneasindicatedinitsuserguide.
• ConnecttheDHSGcabletothe‘EHS’portlocatedonthebackoftheheadsetbase.
With the handset lifter or DHSG cable connected, you will be able to answer and end calls
using the button located on the headset while away from your desk.
2.5 Connecting to a computer USB port
• ConnecttheUSBcablesuppliedwiththeproducttothe‘USB’portonthebackof
the headset base and to a available USB port on your computer.
• Thecomputershouldautomaticallyrecognisethedeviceandinstallthecorrect
drivers. Wait a few seconds before using the headset.
2.6 Wearing style
The IPN W9xx series is available in three variants:
• IPNW970Over-the-ear
• IPNW980Over-the-headmonaural
• IPNW985Over-the-headbinaural
To replace the earplug of the IPN W970: twist the earplug 90 degrees and pull the earplug
towards you.
To replace the ear cushion of the IPN W980 or IPN W985: put your thumb on the top of the
speaker and carefully pull the ear cushion at the bottom towards you.
2.4 Connecting an electronic hookswitch (EHS) cable
• Connect the EHS cable to your telephone as indicated in its user guide.
• Connect the EHS cable to the AUX and TEL ports on the back of the headset base.
• Refer to the user guide for the EHS cable for the correct setting of the Accessory
selection switch.
With the handset lifter or EHS cable connected, you will be able to answer and end calls
using the ON/OFF button located on the headset, while away from your desk.
2.6 Replacing the earpad
To remove the earpad(s) of the LH270 or LH275, put your thumb underneath the pad and
pull up from the bottom. To replace the earpad, match the notches at the top, then click
the bottom in place.
7
2. Setup
• Connectthepoweradaptorsuppliedwiththeproducttothebaseunit.
The base power LED will light.
NOTE: The rst time you use your headset, it is recommended that the headset is charged
for a minimum of 4 hours before use.
2.1 Connecting to a telephone or terminal with a headset port
• Usingtheheadsetcordsuppliedwiththeproduct,connectthe‘TEL’portonheadset
base with the headset port on your telephone.
• Usethepoweradaptorsuppliedwiththeproducttoconnecttheheadsetbasetoa
power socket.
• Youmayneedtoadjustthewiringswitchthatislocatedonthebottomofthe
headset base to nd the correct wiring for your device.
2.2 Connecting to a telephone or terminal without a headset port
• Usingtheheadsetcordsuppliedwiththeproduct,connectthe‘TEL’portonheadset
base with the ‘handset’ port on your telephone.
• Connectthetelephonehandsetcordtothehandsetportontheheadsetbase.
• Usethepoweradaptorsuppliedwiththeproducttoconnecttheheadsetbasetoa
power socket.
• Youmayneedtoadjustthewiringswitchthatislocatedonthebottomofthe
headset base to nd the correct wiring for your device.
2.3 Connecting to a compatible handset lifter (refer to your supplier)
• Fitthehandsetliftertoyourtelephoneasindicatedinitsuserguide.
• Connectthehandsetliftertothe‘EHS’portlocatedonthebackoftheheadsetbase.
7
2. Setup
• Connectthepoweradaptorsuppliedwiththeproducttothebaseunit.
The base power LED will light.
NOTE: The rst time you use your headset, it is recommended that the headset is charged
for a minimum of 4 hours before use.
2.1 Connecting to a telephone or terminal with a headset port
• Usingtheheadsetcordsuppliedwiththeproduct,connectthe‘TEL’portonheadset
base with the headset port on your telephone.
• Usethepoweradaptorsuppliedwiththeproducttoconnecttheheadsetbasetoa
power socket.
• Youmayneedtoadjustthewiringswitchthatislocatedonthebottomofthe
headset base to nd the correct wiring for your device.
2.2 Connecting to a telephone or terminal without a headset port
• Usingtheheadsetcordsuppliedwiththeproduct,connectthe‘TEL’portonheadset
base with the ‘handset’ port on your telephone.
• Connectthetelephonehandsetcordtothehandsetportontheheadsetbase.
• Usethepoweradaptorsuppliedwiththeproducttoconnecttheheadsetbasetoa
power socket.
• Youmayneedtoadjustthewiringswitchthatislocatedonthebottomofthe
headset base to nd the correct wiring for your device.
2.3 Connecting to a compatible handset lifter (refer to your supplier)
• Fitthehandsetliftertoyourtelephoneasindicatedinitsuserguide.
• Connectthehandsetliftertothe‘EHS’portlocatedonthebackoftheheadsetbase.
Connect the USB cable supplied with the product to the USB port on the back of
the headset base and to an available USB port on your computer.
The computer should automatically recognize the device and install the correct
9
3. Operation
3.1 Making and receiving calls
3.1.1 Making an outgoing call in telephone mode
• Ensurethatthe‘TEL’buttonontopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebasetostartthecall.Ifyouarealreadywearingtheheadset,
press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light. If a
handset lifter or electronic hookswitch device is connected to the headset base, the
line will be seized. Otherwise, you will also need to activate the headset port via your
telephone terminal.
• Dialthetelephonenumberonthetelephoneterminal
• Afternishingthecall,replacetheheadsetonthebaseorpresstheON/OFFbuttonto
disconnect. The‘Online Indicator’ LED will turn o.
3.1.2 Receiving an incoming call in telephone mode
• Ifthereisanincomingcallfromthetelephonelineandtheheadsetbaseisconnected
to a handset lifter or electronic hook switch device, the ‘TEL’LED and headset LED will
ash, also a ring tone will be heard on the headset.
• Lifttheheadsetfromthebasetoanswerthecall.Ifyouarealreadywearingthe
headset press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light.
If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be seized. Otherwise, you will also need to activate the headset port via
your telephone terminal.
• Toendthecall,replacetheheadsetonthebaseorpresstheheadsetON/OFFbutton.
9
3. Operation
3.1 Making and receiving calls
3.1.1 Making an outgoing call in telephone mode
• Ensurethatthe‘TEL’buttonontopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebasetostartthecall.Ifyouarealreadywearingtheheadset,
press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light. If a
handset lifter or electronic hookswitch device is connected to the headset base, the
line will be seized. Otherwise, you will also need to activate the headset port via your
telephone terminal.
• Dialthetelephonenumberonthetelephoneterminal
• Afternishingthecall,replacetheheadsetonthebaseorpresstheON/OFFbuttonto
disconnect. The‘Online Indicator’ LED will turn o.
3.1.2 Receiving an incoming call in telephone mode
• Ifthereisanincomingcallfromthetelephonelineandtheheadsetbaseisconnected
to a handset lifter or electronic hook switch device, the ‘TEL’LED and headset LED will
ash, also a ring tone will be heard on the headset.
• Lifttheheadsetfromthebasetoanswerthecall.Ifyouarealreadywearingthe
headset press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light.
If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be seized. Otherwise, you will also need to activate the headset port via
your telephone terminal.
• Toendthecall,replacetheheadsetonthebaseorpresstheheadsetON/OFFbutton.
• Press the headset’s ON/OFF button. The base’s Online Indicator LED will light.
• If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be engaged automatically. Otherwise, you will need lift the headset of your
telephone or activate the headset port on your telephone.
• To end the call, replace the headset on the base or press the ON/OFF button. If you do
not have an EHS cable or a handset lifter, you will need to manually disconnect the line.
• Press the headset’s ON/OFF button. The base ‘Online Indicator’ LED will light.
• If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be engaged automatically. Otherwise, you will need lift the headset of your
telephone or activate the headset button on your telephone.
• Dial the number you’re calling.
• After finishing the call, press the headset ON/OFF button to end the call if you have
a handset lifter or EHS cable. Otherwise, just hang up the phone manually.
3.2
3.3
10
3.1.3 Making an outgoing call in USB/PC mode
• Ensurethatthe‘PC’buttononthetopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebaseorpresstheheadset’sON/OFFbuttonifyouarealready
wearing it and the base ‘Online Indicator’ LED will light.
• AfternishingyourVOIPcall,presstheON/OFFbuttontodisconnect.Thebase
‘Online Indicator’ LED will turn o.
3.2 Adjusting the ringing volume
When the headset is ringing to indicate an incoming call, you can adjust the ring volume
with the volume control buttons located on the headset.
3.3 Muting the headset microphone
To mute the headset microphone when on a call, press the mute button on the headset.
While the headset is in mute mode, a short beep will be heard on the headset every 8
seconds. Press the mute button again to release the mute.
3.4 Headset transmitting volume setting
Youcanadjustthetransmitvolumeoftheheadsetbyusingthetwobuttons
located on the bottom of the headset base.
3.5 Adjusting headset receive volume
Use the volume control buttons on the headset to adjust the receive volume of your head-
set.Youwillhearabeepsoundforeachvolumestepupordown.
3.4
• If there is an incoming call and the headset base is connected to a handset lifter or
electronic hookswitch device, the TEL light and headset light will flash, and a ring
tone will be heard on the headset.
• Ensure that the TEL button on top of the headset base is selected.
• Press the headset’s ON/OFF button. The base’s Online Indicator will light.
the line will be engaged automatically. Otherwise, you will need lift the handset of
your telephone or activate the headset button on your telephone.
• Ensure that the PC button on the top of the headset base is selected.
• Lift the headset from the base, or press the headset’s ON/OFF button if you are
already wearing it, and the base’s Online Indicator will light.
• After finishing your call, press the ON/OFF button to disconnect. The base’s
Online Indicator will turn off.
the line will be engaged automatically. Otherwise, you will need lift the handset of
your telephone or activate the headset button on your telephone.
7 8
Otherwise, you will need to lift the handset of
6 7
manual_270-275_v5.indd 6 3/20/2017 1:18:00 PM

7
2. Setup
• Connectthepoweradaptorsuppliedwiththeproducttothebaseunit.
The base power LED will light.
NOTE: The rst time you use your headset, it is recommended that the headset is charged
for a minimum of 4 hours before use.
2.1 Connecting to a telephone or terminal with a headset port
• Usingtheheadsetcordsuppliedwiththeproduct,connectthe‘TEL’portonheadset
base with the headset port on your telephone.
• Usethepoweradaptorsuppliedwiththeproducttoconnecttheheadsetbasetoa
power socket.
• Youmayneedtoadjustthewiringswitchthatislocatedonthebottomofthe
headset base to nd the correct wiring for your device.
2.2 Connecting to a telephone or terminal without a headset port
• Usingtheheadsetcordsuppliedwiththeproduct,connectthe‘TEL’portonheadset
base with the ‘handset’ port on your telephone.
• Connectthetelephonehandsetcordtothehandsetportontheheadsetbase.
• Usethepoweradaptorsuppliedwiththeproducttoconnecttheheadsetbasetoa
power socket.
• Youmayneedtoadjustthewiringswitchthatislocatedonthebottomofthe
headset base to nd the correct wiring for your device.
2.3 Connecting to a compatible handset lifter (refer to your supplier)
• Fitthehandsetliftertoyourtelephoneasindicatedinitsuserguide.
• Connectthehandsetliftertothe‘EHS’portlocatedonthebackoftheheadsetbase.
NOTE: Charge your headset for 4 hours before you use it.
2.1 Connecting to a telephone with a headset port
• Using the included connector cord, connect the ‘TEL’port on the back of the
headset base with the headset port on your telephone.
• Use the power adaptor to connect the headset base to a power outlet.
• You may need to adjust the compatibility switch located on the bottom of the base
to find the correct setting for your device. The most common setting is 1.*
8
2.4 Connecting EHS with DHSG protocols (refer to your supplier)
• ConnecttheDHSGcabletoyourtelephoneasindicatedinitsuserguide.
• ConnecttheDHSGcabletothe‘EHS’portlocatedonthebackoftheheadsetbase.
With the handset lifter or DHSG cable connected, you will be able to answer and end calls
using the button located on the headset while away from your desk.
2.5 Connecting to a computer USB port
• ConnecttheUSBcablesuppliedwiththeproducttothe‘USB’portonthebackof
the headset base and to a available USB port on your computer.
• Thecomputershouldautomaticallyrecognisethedeviceandinstallthecorrect
drivers. Wait a few seconds before using the headset.
2.6 Wearing style
The IPN W9xx series is available in three variants:
• IPNW970Over-the-ear
• IPNW980Over-the-headmonaural
• IPNW985Over-the-headbinaural
To replace the earplug of the IPN W970: twist the earplug 90 degrees and pull the earplug
towards you.
To replace the ear cushion of the IPN W980 or IPN W985: put your thumb on the top of the
speaker and carefully pull the ear cushion at the bottom towards you.
7
2. Setup
• Connectthepoweradaptorsuppliedwiththeproducttothebaseunit.
The base power LED will light.
NOTE: The rst time you use your headset, it is recommended that the headset is charged
for a minimum of 4 hours before use.
2.1 Connecting to a telephone or terminal with a headset port
• Usingtheheadsetcordsuppliedwiththeproduct,connectthe‘TEL’portonheadset
base with the headset port on your telephone.
• Usethepoweradaptorsuppliedwiththeproducttoconnecttheheadsetbasetoa
power socket.
• Youmayneedtoadjustthewiringswitchthatislocatedonthebottomofthe
headset base to nd the correct wiring for your device.
2.2 Connecting to a telephone or terminal without a headset port
• Usingtheheadsetcordsuppliedwiththeproduct,connectthe‘TEL’portonheadset
base with the ‘handset’ port on your telephone.
• Connectthetelephonehandsetcordtothehandsetportontheheadsetbase.
• Usethepoweradaptorsuppliedwiththeproducttoconnecttheheadsetbasetoa
power socket.
• Youmayneedtoadjustthewiringswitchthatislocatedonthebottomofthe
headset base to nd the correct wiring for your device.
2.3 Connecting to a compatible handset lifter (refer to your supplier)
• Fitthehandsetliftertoyourtelephoneasindicatedinitsuserguide.
• Connectthehandsetliftertothe‘EHS’portlocatedonthebackoftheheadsetbase.
2.2 Connecting to a telephone without a headset port
• Using the included connector cord, connect the ‘TEL’port on the headset base
with the handset port on your telephone.
• Connect the telephone handset cord to the handset port on the headset base.
• Use the power adaptor to connect the headset base to a power outlet.
• You may need to adjust the compatibility switch located on the bottom of the base
to find the correct setting for your device. The most common setting is 1.*
7
2. Setup
• Connectthepoweradaptorsuppliedwiththeproducttothebaseunit.
The base power LED will light.
NOTE: The rst time you use your headset, it is recommended that the headset is charged
for a minimum of 4 hours before use.
2.1 Connecting to a telephone or terminal with a headset port
• Usingtheheadsetcordsuppliedwiththeproduct,connectthe‘TEL’portonheadset
base with the headset port on your telephone.
• Usethepoweradaptorsuppliedwiththeproducttoconnecttheheadsetbasetoa
power socket.
• Youmayneedtoadjustthewiringswitchthatislocatedonthebottomofthe
headset base to nd the correct wiring for your device.
2.2 Connecting to a telephone or terminal without a headset port
• Usingtheheadsetcordsuppliedwiththeproduct,connectthe‘TEL’portonheadset
base with the ‘handset’ port on your telephone.
• Connectthetelephonehandsetcordtothehandsetportontheheadsetbase.
• Usethepoweradaptorsuppliedwiththeproducttoconnecttheheadsetbasetoa
power socket.
• Youmayneedtoadjustthewiringswitchthatislocatedonthebottomofthe
headset base to nd the correct wiring for your device.
2.3 Connecting to a compatible handset lifter (refer to your supplier)
• Fitthehandsetliftertoyourtelephoneasindicatedinitsuserguide.
• Connectthehandsetliftertothe‘EHS’portlocatedonthebackoftheheadsetbase.
• Ensure that the Accessory switch is set to RHL.
*We’d love to help you get set up! Call us at 1-800-432-3738, Mon-Fri 6:00-4:30 Pacific Time
• Connect the handset lifter to the AUX port located on the back of the headset base.
9
3. Operation
3.1 Making and receiving calls
3.1.1 Making an outgoing call in telephone mode
• Ensurethatthe‘TEL’buttonontopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebasetostartthecall.Ifyouarealreadywearingtheheadset,
press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light. If a
handset lifter or electronic hookswitch device is connected to the headset base, the
line will be seized. Otherwise, you will also need to activate the headset port via your
telephone terminal.
• Dialthetelephonenumberonthetelephoneterminal
• Afternishingthecall,replacetheheadsetonthebaseorpresstheON/OFFbuttonto
disconnect. The‘Online Indicator’ LED will turn o.
3.1.2 Receiving an incoming call in telephone mode
• Ifthereisanincomingcallfromthetelephonelineandtheheadsetbaseisconnected
to a handset lifter or electronic hook switch device, the ‘TEL’LED and headset LED will
ash, also a ring tone will be heard on the headset.
• Lifttheheadsetfromthebasetoanswerthecall.Ifyouarealreadywearingthe
headset press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light.
If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be seized. Otherwise, you will also need to activate the headset port via
your telephone terminal.
• Toendthecall,replacetheheadsetonthebaseorpresstheheadsetON/OFFbutton.
9
3. Operation
3.1 Making and receiving calls
3.1.1 Making an outgoing call in telephone mode
• Ensurethatthe‘TEL’buttonontopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebasetostartthecall.Ifyouarealreadywearingtheheadset,
press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light. If a
handset lifter or electronic hookswitch device is connected to the headset base, the
line will be seized. Otherwise, you will also need to activate the headset port via your
telephone terminal.
• Dialthetelephonenumberonthetelephoneterminal
• Afternishingthecall,replacetheheadsetonthebaseorpresstheON/OFFbuttonto
disconnect. The‘Online Indicator’ LED will turn o.
3.1.2 Receiving an incoming call in telephone mode
• Ifthereisanincomingcallfromthetelephonelineandtheheadsetbaseisconnected
to a handset lifter or electronic hook switch device, the ‘TEL’LED and headset LED will
ash, also a ring tone will be heard on the headset.
• Lifttheheadsetfromthebasetoanswerthecall.Ifyouarealreadywearingthe
headset press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light.
If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be seized. Otherwise, you will also need to activate the headset port via
your telephone terminal.
• Toendthecall,replacetheheadsetonthebaseorpresstheheadsetON/OFFbutton.
• Press the headset’s ON/OFF button. The base’s Online Indicator LED will light.
• If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be engaged automatically. Otherwise, you will need lift the headset of your
telephone or activate the headset port on your telephone.
• To end the call, replace the headset on the base or press the ON/OFF button. If you do
not have an EHS cable or a handset lifter, you will need to manually disconnect the line.
• Press the headset’s ON/OFF button. The base ‘Online Indicator’ LED will light.
• If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be engaged automatically. Otherwise, you will need lift the headset of your
telephone or activate the headset button on your telephone.
• Dial the number you’re calling.
• After finishing the call, press the headset ON/OFF button to end the call if you have
a handset lifter or EHS cable. Otherwise, just hang up the phone manually.
3.2
3.3
10
3.1.3 Making an outgoing call in USB/PC mode
• Ensurethatthe‘PC’buttononthetopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebaseorpresstheheadset’sON/OFFbuttonifyouarealready
wearing it and the base ‘Online Indicator’ LED will light.
• AfternishingyourVOIPcall,presstheON/OFFbuttontodisconnect.Thebase
‘Online Indicator’ LED will turn o.
3.2 Adjusting the ringing volume
When the headset is ringing to indicate an incoming call, you can adjust the ring volume
with the volume control buttons located on the headset.
3.3 Muting the headset microphone
To mute the headset microphone when on a call, press the mute button on the headset.
While the headset is in mute mode, a short beep will be heard on the headset every 8
seconds. Press the mute button again to release the mute.
3.4 Headset transmitting volume setting
Youcanadjustthetransmitvolumeoftheheadsetbyusingthetwobuttons
located on the bottom of the headset base.
3.5 Adjusting headset receive volume
Use the volume control buttons on the headset to adjust the receive volume of your head-
set.Youwillhearabeepsoundforeachvolumestepupordown.
3.4
• If there is an incoming call and the headset base is connected to a handset lifter or
electronic hookswitch device, the TEL light and headset light will flash, and a ring
tone will be heard on the headset.
• Ensure that the TEL button on top of the headset base is selected.
• Press the headset’s ON/OFF button. The base’s Online Indicator will light.
the line will be engaged automatically. Otherwise, you will need lift the handset of
your telephone or activate the headset button on your telephone.
• Ensure that the PC button on the top of the headset base is selected.
• Lift the headset from the base, or press the headset’s ON/OFF button if you are
already wearing it, and the base’s Online Indicator will light.
• After finishing your call, press the ON/OFF button to disconnect. The base’s
Online Indicator will turn off.
the line will be engaged automatically. Otherwise, you will need lift the handset of
your telephone or activate the headset button on your telephone.
7 8
6 7
7
2. Setup
• Connectthepoweradaptorsuppliedwiththeproducttothebaseunit.
The base power LED will light.
NOTE: The rst time you use your headset, it is recommended that the headset is charged
for a minimum of 4 hours before use.
2.1 Connecting to a telephone or terminal with a headset port
• Usingtheheadsetcordsuppliedwiththeproduct,connectthe‘TEL’portonheadset
base with the headset port on your telephone.
• Usethepoweradaptorsuppliedwiththeproducttoconnecttheheadsetbasetoa
power socket.
• Youmayneedtoadjustthewiringswitchthatislocatedonthebottomofthe
headset base to nd the correct wiring for your device.
2.2 Connecting to a telephone or terminal without a headset port
• Usingtheheadsetcordsuppliedwiththeproduct,connectthe‘TEL’portonheadset
base with the ‘handset’ port on your telephone.
• Connectthetelephonehandsetcordtothehandsetportontheheadsetbase.
• Usethepoweradaptorsuppliedwiththeproducttoconnecttheheadsetbasetoa
power socket.
• Youmayneedtoadjustthewiringswitchthatislocatedonthebottomofthe
headset base to nd the correct wiring for your device.
2.3 Connecting to a compatible handset lifter (refer to your supplier)
• Fitthehandsetliftertoyourtelephoneasindicatedinitsuserguide.
• Connectthehandsetliftertothe‘EHS’portlocatedonthebackoftheheadsetbase.
8
2.4 Connecting EHS with DHSG protocols (refer to your supplier)
• ConnecttheDHSGcabletoyourtelephoneasindicatedinitsuserguide.
• ConnecttheDHSGcabletothe‘EHS’portlocatedonthebackoftheheadsetbase.
With the handset lifter or DHSG cable connected, you will be able to answer and end calls
using the button located on the headset while away from your desk.
2.5 Connecting to a computer USB port
• ConnecttheUSBcablesuppliedwiththeproducttothe‘USB’portonthebackof
the headset base and to a available USB port on your computer.
• Thecomputershouldautomaticallyrecognisethedeviceandinstallthecorrect
drivers. Wait a few seconds before using the headset.
2.6 Wearing style
The IPN W9xx series is available in three variants:
• IPNW970Over-the-ear
• IPNW980Over-the-headmonaural
• IPNW985Over-the-headbinaural
To replace the earplug of the IPN W970: twist the earplug 90 degrees and pull the earplug
towards you.
To replace the ear cushion of the IPN W980 or IPN W985: put your thumb on the top of the
speaker and carefully pull the ear cushion at the bottom towards you.
2.4 Connecting an electronic hookswitch (EHS) cable
• Connect the EHS cable to your telephone as indicated in its user guide.
• Connect the EHS cable to the AUX and TEL ports on the back of the headset base.
• Refer to the user guide for the EHS cable for the correct setting of the Accessory
selection switch.
With the handset lifter or EHS cable connected, you will be able to answer and end calls
using the ON/OFF button located on the headset, while away from your desk.
2.6 Replacing the earpad
To remove the earpad(s) of the LH270 or LH275, put your thumb underneath the pad and
pull up from the bottom. To replace the earpad, match the notches at the top, then click
the bottom in place.
7
2. Setup
• Connectthepoweradaptorsuppliedwiththeproducttothebaseunit.
The base power LED will light.
NOTE: The rst time you use your headset, it is recommended that the headset is charged
for a minimum of 4 hours before use.
2.1 Connecting to a telephone or terminal with a headset port
• Usingtheheadsetcordsuppliedwiththeproduct,connectthe‘TEL’portonheadset
base with the headset port on your telephone.
• Usethepoweradaptorsuppliedwiththeproducttoconnecttheheadsetbasetoa
power socket.
• Youmayneedtoadjustthewiringswitchthatislocatedonthebottomofthe
headset base to nd the correct wiring for your device.
2.2 Connecting to a telephone or terminal without a headset port
• Usingtheheadsetcordsuppliedwiththeproduct,connectthe‘TEL’portonheadset
base with the ‘handset’ port on your telephone.
• Connectthetelephonehandsetcordtothehandsetportontheheadsetbase.
• Usethepoweradaptorsuppliedwiththeproducttoconnecttheheadsetbasetoa
power socket.
• Youmayneedtoadjustthewiringswitchthatislocatedonthebottomofthe
headset base to nd the correct wiring for your device.
2.3 Connecting to a compatible handset lifter (refer to your supplier)
• Fitthehandsetliftertoyourtelephoneasindicatedinitsuserguide.
• Connectthehandsetliftertothe‘EHS’portlocatedonthebackoftheheadsetbase.
7
2. Setup
• Connectthepoweradaptorsuppliedwiththeproducttothebaseunit.
The base power LED will light.
NOTE: The rst time you use your headset, it is recommended that the headset is charged
for a minimum of 4 hours before use.
2.1 Connecting to a telephone or terminal with a headset port
• Usingtheheadsetcordsuppliedwiththeproduct,connectthe‘TEL’portonheadset
base with the headset port on your telephone.
• Usethepoweradaptorsuppliedwiththeproducttoconnecttheheadsetbasetoa
power socket.
• Youmayneedtoadjustthewiringswitchthatislocatedonthebottomofthe
headset base to nd the correct wiring for your device.
2.2 Connecting to a telephone or terminal without a headset port
• Usingtheheadsetcordsuppliedwiththeproduct,connectthe‘TEL’portonheadset
base with the ‘handset’ port on your telephone.
• Connectthetelephonehandsetcordtothehandsetportontheheadsetbase.
• Usethepoweradaptorsuppliedwiththeproducttoconnecttheheadsetbasetoa
power socket.
• Youmayneedtoadjustthewiringswitchthatislocatedonthebottomofthe
headset base to nd the correct wiring for your device.
2.3 Connecting to a compatible handset lifter (refer to your supplier)
• Fitthehandsetliftertoyourtelephoneasindicatedinitsuserguide.
• Connectthehandsetliftertothe‘EHS’portlocatedonthebackoftheheadsetbase.
Connect the USB cable supplied with the product to the USB port on the back of
the headset base and to an available USB port on your computer.
The computer should automatically recognize the device and install the correct
9
3. Operation
3.1 Making and receiving calls
3.1.1 Making an outgoing call in telephone mode
• Ensurethatthe‘TEL’buttonontopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebasetostartthecall.Ifyouarealreadywearingtheheadset,
press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light. If a
handset lifter or electronic hookswitch device is connected to the headset base, the
line will be seized. Otherwise, you will also need to activate the headset port via your
telephone terminal.
• Dialthetelephonenumberonthetelephoneterminal
• Afternishingthecall,replacetheheadsetonthebaseorpresstheON/OFFbuttonto
disconnect. The‘Online Indicator’ LED will turn o.
3.1.2 Receiving an incoming call in telephone mode
• Ifthereisanincomingcallfromthetelephonelineandtheheadsetbaseisconnected
to a handset lifter or electronic hook switch device, the ‘TEL’LED and headset LED will
ash, also a ring tone will be heard on the headset.
• Lifttheheadsetfromthebasetoanswerthecall.Ifyouarealreadywearingthe
headset press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light.
If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be seized. Otherwise, you will also need to activate the headset port via
your telephone terminal.
• Toendthecall,replacetheheadsetonthebaseorpresstheheadsetON/OFFbutton.
9
3. Operation
3.1 Making and receiving calls
3.1.1 Making an outgoing call in telephone mode
• Ensurethatthe‘TEL’buttonontopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebasetostartthecall.Ifyouarealreadywearingtheheadset,
press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light. If a
handset lifter or electronic hookswitch device is connected to the headset base, the
line will be seized. Otherwise, you will also need to activate the headset port via your
telephone terminal.
• Dialthetelephonenumberonthetelephoneterminal
• Afternishingthecall,replacetheheadsetonthebaseorpresstheON/OFFbuttonto
disconnect. The‘Online Indicator’ LED will turn o.
3.1.2 Receiving an incoming call in telephone mode
• Ifthereisanincomingcallfromthetelephonelineandtheheadsetbaseisconnected
to a handset lifter or electronic hook switch device, the ‘TEL’LED and headset LED will
ash, also a ring tone will be heard on the headset.
• Lifttheheadsetfromthebasetoanswerthecall.Ifyouarealreadywearingthe
headset press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light.
If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be seized. Otherwise, you will also need to activate the headset port via
your telephone terminal.
• Toendthecall,replacetheheadsetonthebaseorpresstheheadsetON/OFFbutton.
• Press the headset’s ON/OFF button. The base’s Online Indicator LED will light.
• If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be engaged automatically. Otherwise, you will need lift the headset of your
telephone or activate the headset port on your telephone.
• To end the call, replace the headset on the base or press the ON/OFF button. If you do
not have an EHS cable or a handset lifter, you will need to manually disconnect the line.
• Press the headset’s ON/OFF button. The base ‘Online Indicator’ LED will light.
• If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be engaged automatically. Otherwise, you will need lift the headset of your
telephone or activate the headset button on your telephone.
• Dial the number you’re calling.
• After finishing the call, press the headset ON/OFF button to end the call if you have
a handset lifter or EHS cable. Otherwise, just hang up the phone manually.
3.2
3.3
10
3.1.3 Making an outgoing call in USB/PC mode
• Ensurethatthe‘PC’buttononthetopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebaseorpresstheheadset’sON/OFFbuttonifyouarealready
wearing it and the base ‘Online Indicator’ LED will light.
• AfternishingyourVOIPcall,presstheON/OFFbuttontodisconnect.Thebase
‘Online Indicator’ LED will turn o.
3.2 Adjusting the ringing volume
When the headset is ringing to indicate an incoming call, you can adjust the ring volume
with the volume control buttons located on the headset.
3.3 Muting the headset microphone
To mute the headset microphone when on a call, press the mute button on the headset.
While the headset is in mute mode, a short beep will be heard on the headset every 8
seconds. Press the mute button again to release the mute.
3.4 Headset transmitting volume setting
Youcanadjustthetransmitvolumeoftheheadsetbyusingthetwobuttons
located on the bottom of the headset base.
3.5 Adjusting headset receive volume
Use the volume control buttons on the headset to adjust the receive volume of your head-
set.Youwillhearabeepsoundforeachvolumestepupordown.
3.4
• If there is an incoming call and the headset base is connected to a handset lifter or
electronic hookswitch device, the TEL light and headset light will flash, and a ring
tone will be heard on the headset.
• Ensure that the TEL button on top of the headset base is selected.
• Press the headset’s ON/OFF button. The base’s Online Indicator will light.
the line will be engaged automatically. Otherwise, you will need lift the handset of
your telephone or activate the headset button on your telephone.
• Ensure that the PC button on the top of the headset base is selected.
• Lift the headset from the base, or press the headset’s ON/OFF button if you are
already wearing it, and the base’s Online Indicator will light.
• After finishing your call, press the ON/OFF button to disconnect. The base’s
Online Indicator will turn off.
the line will be engaged automatically. Otherwise, you will need lift the handset of
your telephone or activate the headset button on your telephone.
7 8
Otherwise, you will need to lift the handset of
6
7
manual_270-275_v5.indd 7 3/20/2017 1:18:00 PM

9
3. Operation
3.1 Making and receiving calls
3.1.1 Making an outgoing call in telephone mode
• Ensurethatthe‘TEL’buttonontopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebasetostartthecall.Ifyouarealreadywearingtheheadset,
press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light. If a
handset lifter or electronic hookswitch device is connected to the headset base, the
line will be seized. Otherwise, you will also need to activate the headset port via your
telephone terminal.
• Dialthetelephonenumberonthetelephoneterminal
• Afternishingthecall,replacetheheadsetonthebaseorpresstheON/OFFbuttonto
disconnect. The‘Online Indicator’ LED will turn o.
3.1.2 Receiving an incoming call in telephone mode
• Ifthereisanincomingcallfromthetelephonelineandtheheadsetbaseisconnected
to a handset lifter or electronic hook switch device, the ‘TEL’LED and headset LED will
ash, also a ring tone will be heard on the headset.
• Lifttheheadsetfromthebasetoanswerthecall.Ifyouarealreadywearingthe
headset press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light.
If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be seized. Otherwise, you will also need to activate the headset port via
your telephone terminal.
• Toendthecall,replacetheheadsetonthebaseorpresstheheadsetON/OFFbutton.
9
3. Operation
3.1 Making and receiving calls
3.1.1 Making an outgoing call in telephone mode
• Ensurethatthe‘TEL’buttonontopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebasetostartthecall.Ifyouarealreadywearingtheheadset,
press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light. If a
handset lifter or electronic hookswitch device is connected to the headset base, the
line will be seized. Otherwise, you will also need to activate the headset port via your
telephone terminal.
• Dialthetelephonenumberonthetelephoneterminal
• Afternishingthecall,replacetheheadsetonthebaseorpresstheON/OFFbuttonto
disconnect. The‘Online Indicator’ LED will turn o.
3.1.2 Receiving an incoming call in telephone mode
• Ifthereisanincomingcallfromthetelephonelineandtheheadsetbaseisconnected
to a handset lifter or electronic hook switch device, the ‘TEL’LED and headset LED will
ash, also a ring tone will be heard on the headset.
• Lifttheheadsetfromthebasetoanswerthecall.Ifyouarealreadywearingthe
headset press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light.
If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be seized. Otherwise, you will also need to activate the headset port via
your telephone terminal.
• Toendthecall,replacetheheadsetonthebaseorpresstheheadsetON/OFFbutton.
• Press the headset’s ON/OFF button. The base’s Online Indicator LED will light.
• If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be engaged automatically. Otherwise, you will need lift the headset of your
telephone or activate the headset port on your telephone.
• To end the call, replace the headset on the base or press the ON/OFF button. If you do
not have an EHS cable or a handset lifter, you will need to manually disconnect the line.
• Press the headset’s ON/OFF button. The base ‘Online Indicator’ LED will light.
• If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be engaged automatically. Otherwise, you will need lift the headset of your
telephone or activate the headset button on your telephone.
• Dial the number you’re calling.
• After finishing the call, press the headset ON/OFF button to end the call if you have
a handset lifter or EHS cable. Otherwise, just hang up the phone manually.
3.2
3.3
10
3.1.3 Making an outgoing call in USB/PC mode
• Ensurethatthe‘PC’buttononthetopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebaseorpresstheheadset’sON/OFFbuttonifyouarealready
wearing it and the base ‘Online Indicator’ LED will light.
• AfternishingyourVOIPcall,presstheON/OFFbuttontodisconnect.Thebase
‘Online Indicator’ LED will turn o.
3.2 Adjusting the ringing volume
When the headset is ringing to indicate an incoming call, you can adjust the ring volume
with the volume control buttons located on the headset.
3.3 Muting the headset microphone
To mute the headset microphone when on a call, press the mute button on the headset.
While the headset is in mute mode, a short beep will be heard on the headset every 8
seconds. Press the mute button again to release the mute.
3.4 Headset transmitting volume setting
Youcanadjustthetransmitvolumeoftheheadsetbyusingthetwobuttons
located on the bottom of the headset base.
3.5 Adjusting headset receive volume
Use the volume control buttons on the headset to adjust the receive volume of your head-
set.Youwillhearabeepsoundforeachvolumestepupordown.
3.4
• If there is an incoming call and the headset base is connected to a handset lifter or
electronic hookswitch device, the TEL light and headset light will flash, and a ring
tone will be heard on the headset.
• Ensure that the TEL button on top of the headset base is selected.
• Press the headset’s ON/OFF button. The base’s Online Indicator will light.
the line will be engaged automatically. Otherwise, you will need lift the handset of
your telephone or activate the headset button on your telephone.
• Ensure that the PC button on the top of the headset base is selected.
• Lift the headset from the base, or press the headset’s ON/OFF button if you are
already wearing it, and the base’s Online Indicator will light.
• After finishing your call, press the ON/OFF button to disconnect. The base’s
Online Indicator will turn off.
the line will be engaged automatically. Otherwise, you will need lift the handset of
your telephone or activate the headset button on your telephone.
7 8
10
3.1.3 Making an outgoing call in USB/PC mode
• Ensurethatthe‘PC’buttononthetopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebaseorpresstheheadset’sON/OFFbuttonifyouarealready
wearing it and the base ‘Online Indicator’ LED will light.
• AfternishingyourVOIPcall,presstheON/OFFbuttontodisconnect.Thebase
‘Online Indicator’ LED will turn o.
3.2 Adjusting the ringing volume
When the headset is ringing to indicate an incoming call, you can adjust the ring volume
with the volume control buttons located on the headset.
3.3 Muting the headset microphone
To mute the headset microphone when on a call, press the mute button on the headset.
While the headset is in mute mode, a short beep will be heard on the headset every 8
seconds. Press the mute button again to release the mute.
3.4 Headset transmitting volume setting
Youcanadjustthetransmitvolumeoftheheadsetbyusingthetwobuttons
located on the bottom of the headset base.
3.5 Adjusting headset receive volume
Use the volume control buttons on the headset to adjust the receive volume of your head-
set.Youwillhearabeepsoundforeachvolumestepupordown.
10
3.1.3 Making an outgoing call in USB/PC mode
• Ensurethatthe‘PC’buttononthetopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebaseorpresstheheadset’sON/OFFbuttonifyouarealready
wearing it and the base ‘Online Indicator’ LED will light.
• AfternishingyourVOIPcall,presstheON/OFFbuttontodisconnect.Thebase
‘Online Indicator’ LED will turn o.
3.2 Adjusting the ringing volume
When the headset is ringing to indicate an incoming call, you can adjust the ring volume
with the volume control buttons located on the headset.
3.3 Muting the headset microphone
To mute the headset microphone when on a call, press the mute button on the headset.
While the headset is in mute mode, a short beep will be heard on the headset every 8
seconds. Press the mute button again to release the mute.
3.4 Headset transmitting volume setting
Youcanadjustthetransmitvolumeoftheheadsetbyusingthetwobuttons
located on the bottom of the headset base.
3.5 Adjusting headset receive volume
Use the volume control buttons on the headset to adjust the receive volume of your head-
set.Youwillhearabeepsoundforeachvolumestepupordown.
3.6 Adjusting the ring volume
Press the mute button again to cancel/end the mute.
Headset microphone volume setting
Adjusting headset listening volume
You can adjust your speaking volume by using the two buttons located on the bottom of the
headset base.
Use the volume control buttons on the headset to adjust the listening volume. You will
hear a beep for each volume step up or down.
3.7
3.8
3.9
3.9 Making a call using UniBase™ Mode
Your Leitner LH270 or LH275 is equipped with UniBase technology that allows you to
conference a call between your office phone and softphone. To activate UniBase mode, start
with the base in phone mode with a call on the phone line. Press and hold the PC button for
4 seconds. Both phone and computer mode lights will light up. You can now conference a
softphone call with the existing telephone call. To exit UniBase mode, press the phone mode
button. Note: all computer sounds will be shared with the conference call.
3.5
8
10
3.1.3 Making an outgoing call in USB/PC mode
• Ensurethatthe‘PC’buttononthetopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebaseorpresstheheadset’sON/OFFbuttonifyouarealready
wearing it and the base ‘Online Indicator’ LED will light.
• AfternishingyourVOIPcall,presstheON/OFFbuttontodisconnect.Thebase
‘Online Indicator’ LED will turn o.
3.2 Adjusting the ringing volume
When the headset is ringing to indicate an incoming call, you can adjust the ring volume
with the volume control buttons located on the headset.
3.3 Muting the headset microphone
To mute the headset microphone when on a call, press the mute button on the headset.
While the headset is in mute mode, a short beep will be heard on the headset every 8
seconds. Press the mute button again to release the mute.
3.4 Headset transmitting volume setting
Youcanadjustthetransmitvolumeoftheheadsetbyusingthetwobuttons
located on the bottom of the headset base.
3.5 Adjusting headset receive volume
Use the volume control buttons on the headset to adjust the receive volume of your head-
set.Youwillhearabeepsoundforeachvolumestepupordown.
10
3.1.3 Making an outgoing call in USB/PC mode
• Ensurethatthe‘PC’buttononthetopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebaseorpresstheheadset’sON/OFFbuttonifyouarealready
wearing it and the base ‘Online Indicator’ LED will light.
• AfternishingyourVOIPcall,presstheON/OFFbuttontodisconnect.Thebase
‘Online Indicator’ LED will turn o.
3.2 Adjusting the ringing volume
When the headset is ringing to indicate an incoming call, you can adjust the ring volume
with the volume control buttons located on the headset.
3.3 Muting the headset microphone
To mute the headset microphone when on a call, press the mute button on the headset.
While the headset is in mute mode, a short beep will be heard on the headset every 8
seconds. Press the mute button again to release the mute.
3.4 Headset transmitting volume setting
Youcanadjustthetransmitvolumeoftheheadsetbyusingthetwobuttons
located on the bottom of the headset base.
3.5 Adjusting headset receive volume
Use the volume control buttons on the headset to adjust the receive volume of your head-
set.Youwillhearabeepsoundforeachvolumestepupordown.
3.6 Adjusting the ring volume
Press the mute button again to cancel/end the mute.
Headset microphone volume setting
Adjusting headset listening volume
You can adjust your speaking volume by using the two buttons located on the bottom of the
headset base.
Use the volume control buttons on the headset to adjust the listening volume. You will
hear a beep for each volume step up or down.
3.7
3.8
3.9
3.9 Making a call using UniBase™ Mode
Your Leitner LH270 or LH275 is equipped with UniBase technology that allows you to
conference a call between your office phone and softphone. To activate UniBase mode, start
with the base in phone mode with a call on the phone line. Press and hold the PC button for
4 seconds. Both phone and computer mode lights will light up. You can now conference a
softphone call with the existing telephone call. To exit UniBase mode, press the phone mode
button. Note: all computer sounds will be shared with the conference call.
3.5
8
11
3.6 Out of range and reconnection
You will hear a warning tone in the headset when you walk out of range of the base. The
headset will be disconnected from the base and the call will be automatically placed on
hold. If you move back inside the range of the base the headset will automatically
reconnect and the call will be active again.
NOTE: If you do not move back inside the base range within 5 minutes the call will be
disconnected.
3.7 Battery level indication
The four LEDs on the top of the headset base indicate the battery level of your headset
battery.
Indication Battery level
< 20%
One LED on 20%-40%
Two LEDs on 40%-60%
Three LEDs on 60%-80%
Four LEDs on 80%-100%
Manual W9xx.pdf 1 6/27/2016 11:47:56 AM
3.10
You will hear warning beeps in the headset when you walk out of range of the base. If the
headset disconnects due to being out of range, the call will not drop. The headset will
automatically reconnect when you are back in range and the call will be active again.
3.11
11
3.6 Out of range and reconnection
You will hear a warning tone in the headset when you walk out of range of the base. The
headset will be disconnected from the base and the call will be automatically placed on
hold. If you move back inside the range of the base the headset will automatically
reconnect and the call will be active again.
NOTE: If you do not move back inside the base range within 5 minutes the call will be
disconnected.
3.7 Battery level indication
The four LEDs on the top of the headset base indicate the battery level of your headset
battery.
Indication Battery level
< 20%
One LED on 20%-40%
Two LEDs on 40%-60%
Three LEDs on 60%-80%
Four LEDs on 80%-100%
Manual W9xx.pdf 1 6/27/2016 11:47:56 AM
9 10
8
9
Otherwise, you will need to lift the handset of
9
3. Operation
3.1 Making and receiving calls
3.1.1 Making an outgoing call in telephone mode
• Ensurethatthe‘TEL’buttonontopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebasetostartthecall.Ifyouarealreadywearingtheheadset,
press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light. If a
handset lifter or electronic hookswitch device is connected to the headset base, the
line will be seized. Otherwise, you will also need to activate the headset port via your
telephone terminal.
• Dialthetelephonenumberonthetelephoneterminal
• Afternishingthecall,replacetheheadsetonthebaseorpresstheON/OFFbuttonto
disconnect. The‘Online Indicator’ LED will turn o.
3.1.2 Receiving an incoming call in telephone mode
• Ifthereisanincomingcallfromthetelephonelineandtheheadsetbaseisconnected
to a handset lifter or electronic hook switch device, the ‘TEL’LED and headset LED will
ash, also a ring tone will be heard on the headset.
• Lifttheheadsetfromthebasetoanswerthecall.Ifyouarealreadywearingthe
headset press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light.
If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be seized. Otherwise, you will also need to activate the headset port via
your telephone terminal.
• Toendthecall,replacetheheadsetonthebaseorpresstheheadsetON/OFFbutton.
9
3. Operation
3.1 Making and receiving calls
3.1.1 Making an outgoing call in telephone mode
• Ensurethatthe‘TEL’buttonontopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebasetostartthecall.Ifyouarealreadywearingtheheadset,
press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light. If a
handset lifter or electronic hookswitch device is connected to the headset base, the
line will be seized. Otherwise, you will also need to activate the headset port via your
telephone terminal.
• Dialthetelephonenumberonthetelephoneterminal
• Afternishingthecall,replacetheheadsetonthebaseorpresstheON/OFFbuttonto
disconnect. The‘Online Indicator’ LED will turn o.
3.1.2 Receiving an incoming call in telephone mode
• Ifthereisanincomingcallfromthetelephonelineandtheheadsetbaseisconnected
to a handset lifter or electronic hook switch device, the ‘TEL’LED and headset LED will
ash, also a ring tone will be heard on the headset.
• Lifttheheadsetfromthebasetoanswerthecall.Ifyouarealreadywearingthe
headset press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light.
If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be seized. Otherwise, you will also need to activate the headset port via
your telephone terminal.
• Toendthecall,replacetheheadsetonthebaseorpresstheheadsetON/OFFbutton.
• Press the headset’s ON/OFF button. The base’s Online Indicator LED will light.
• If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be engaged automatically. Otherwise, you will need lift the headset of your
telephone or activate the headset port on your telephone.
• To end the call, replace the headset on the base or press the ON/OFF button. If you do
not have an EHS cable or a handset lifter, you will need to manually disconnect the line.
• Press the headset’s ON/OFF button. The base ‘Online Indicator’ LED will light.
• If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be engaged automatically. Otherwise, you will need lift the headset of your
telephone or activate the headset button on your telephone.
• Dial the number you’re calling.
• After finishing the call, press the headset ON/OFF button to end the call if you have
a handset lifter or EHS cable. Otherwise, just hang up the phone manually.
3.2
3.3
10
3.1.3 Making an outgoing call in USB/PC mode
• Ensurethatthe‘PC’buttononthetopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebaseorpresstheheadset’sON/OFFbuttonifyouarealready
wearing it and the base ‘Online Indicator’ LED will light.
• AfternishingyourVOIPcall,presstheON/OFFbuttontodisconnect.Thebase
‘Online Indicator’ LED will turn o.
3.2 Adjusting the ringing volume
When the headset is ringing to indicate an incoming call, you can adjust the ring volume
with the volume control buttons located on the headset.
3.3 Muting the headset microphone
To mute the headset microphone when on a call, press the mute button on the headset.
While the headset is in mute mode, a short beep will be heard on the headset every 8
seconds. Press the mute button again to release the mute.
3.4 Headset transmitting volume setting
Youcanadjustthetransmitvolumeoftheheadsetbyusingthetwobuttons
located on the bottom of the headset base.
3.5 Adjusting headset receive volume
Use the volume control buttons on the headset to adjust the receive volume of your head-
set.Youwillhearabeepsoundforeachvolumestepupordown.
3.4
• If there is an incoming call and the headset base is connected to a handset lifter or
electronic hookswitch device, the TEL light and headset light will flash, and a ring
tone will be heard on the headset.
• Ensure that the TEL button on top of the headset base is selected.
• Press the headset’s ON/OFF button. The base’s Online Indicator will light.
the line will be engaged automatically. Otherwise, you will need lift the handset of
your telephone or activate the headset button on your telephone.
• Ensure that the PC button on the top of the headset base is selected.
• Lift the headset from the base, or press the headset’s ON/OFF button if you are
already wearing it, and the base’s Online Indicator will light.
• After finishing your call, press the ON/OFF button to disconnect. The base’s
Online Indicator will turn off.
the line will be engaged automatically. Otherwise, you will need lift the handset of
your telephone or activate the headset button on your telephone.
7 8
10
3.1.3 Making an outgoing call in USB/PC mode
• Ensurethatthe‘PC’buttononthetopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebaseorpresstheheadset’sON/OFFbuttonifyouarealready
wearing it and the base ‘Online Indicator’ LED will light.
• AfternishingyourVOIPcall,presstheON/OFFbuttontodisconnect.Thebase
‘Online Indicator’ LED will turn o.
3.2 Adjusting the ringing volume
When the headset is ringing to indicate an incoming call, you can adjust the ring volume
with the volume control buttons located on the headset.
3.3 Muting the headset microphone
To mute the headset microphone when on a call, press the mute button on the headset.
While the headset is in mute mode, a short beep will be heard on the headset every 8
seconds. Press the mute button again to release the mute.
3.4 Headset transmitting volume setting
Youcanadjustthetransmitvolumeoftheheadsetbyusingthetwobuttons
located on the bottom of the headset base.
3.5 Adjusting headset receive volume
Use the volume control buttons on the headset to adjust the receive volume of your head-
set.Youwillhearabeepsoundforeachvolumestepupordown.
10
3.1.3 Making an outgoing call in USB/PC mode
• Ensurethatthe‘PC’buttononthetopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebaseorpresstheheadset’sON/OFFbuttonifyouarealready
wearing it and the base ‘Online Indicator’ LED will light.
• AfternishingyourVOIPcall,presstheON/OFFbuttontodisconnect.Thebase
‘Online Indicator’ LED will turn o.
3.2 Adjusting the ringing volume
When the headset is ringing to indicate an incoming call, you can adjust the ring volume
with the volume control buttons located on the headset.
3.3 Muting the headset microphone
To mute the headset microphone when on a call, press the mute button on the headset.
While the headset is in mute mode, a short beep will be heard on the headset every 8
seconds. Press the mute button again to release the mute.
3.4 Headset transmitting volume setting
Youcanadjustthetransmitvolumeoftheheadsetbyusingthetwobuttons
located on the bottom of the headset base.
3.5 Adjusting headset receive volume
Use the volume control buttons on the headset to adjust the receive volume of your head-
set.Youwillhearabeepsoundforeachvolumestepupordown.
3.6 Adjusting the ring volume
Press the mute button again to cancel/end the mute.
Headset microphone volume setting
Adjusting headset listening volume
You can adjust your speaking volume by using the two buttons located on the bottom of the
headset base.
Use the volume control buttons on the headset to adjust the listening volume. You will
hear a beep for each volume step up or down.
3.7
3.8
3.9
3.9 Making a call using UniBase™ Mode
Your Leitner LH270 or LH275 is equipped with UniBase technology that allows you to
conference a call between your office phone and softphone. To activate UniBase mode, start
with the base in phone mode with a call on the phone line. Press and hold the PC button for
4 seconds. Both phone and computer mode lights will light up. You can now conference a
softphone call with the existing telephone call. To exit UniBase mode, press the phone mode
button. Note: all computer sounds will be shared with the conference call.
3.5
8
10
3.1.3 Making an outgoing call in USB/PC mode
• Ensurethatthe‘PC’buttononthetopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebaseorpresstheheadset’sON/OFFbuttonifyouarealready
wearing it and the base ‘Online Indicator’ LED will light.
• AfternishingyourVOIPcall,presstheON/OFFbuttontodisconnect.Thebase
‘Online Indicator’ LED will turn o.
3.2 Adjusting the ringing volume
When the headset is ringing to indicate an incoming call, you can adjust the ring volume
with the volume control buttons located on the headset.
3.3 Muting the headset microphone
To mute the headset microphone when on a call, press the mute button on the headset.
While the headset is in mute mode, a short beep will be heard on the headset every 8
seconds. Press the mute button again to release the mute.
3.4 Headset transmitting volume setting
Youcanadjustthetransmitvolumeoftheheadsetbyusingthetwobuttons
located on the bottom of the headset base.
3.5 Adjusting headset receive volume
Use the volume control buttons on the headset to adjust the receive volume of your head-
set.Youwillhearabeepsoundforeachvolumestepupordown.
10
3.1.3 Making an outgoing call in USB/PC mode
• Ensurethatthe‘PC’buttononthetopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebaseorpresstheheadset’sON/OFFbuttonifyouarealready
wearing it and the base ‘Online Indicator’ LED will light.
• AfternishingyourVOIPcall,presstheON/OFFbuttontodisconnect.Thebase
‘Online Indicator’ LED will turn o.
3.2 Adjusting the ringing volume
When the headset is ringing to indicate an incoming call, you can adjust the ring volume
with the volume control buttons located on the headset.
3.3 Muting the headset microphone
To mute the headset microphone when on a call, press the mute button on the headset.
While the headset is in mute mode, a short beep will be heard on the headset every 8
seconds. Press the mute button again to release the mute.
3.4 Headset transmitting volume setting
Youcanadjustthetransmitvolumeoftheheadsetbyusingthetwobuttons
located on the bottom of the headset base.
3.5 Adjusting headset receive volume
Use the volume control buttons on the headset to adjust the receive volume of your head-
set.Youwillhearabeepsoundforeachvolumestepupordown.
3.6 Adjusting the ring volume
Press the mute button again to cancel/end the mute.
Headset microphone volume setting
Adjusting headset listening volume
You can adjust your speaking volume by using the two buttons located on the bottom of the
headset base.
Use the volume control buttons on the headset to adjust the listening volume. You will
hear a beep for each volume step up or down.
3.7
3.8
3.9
3.9 Making a call using UniBase™ Mode
Your Leitner LH270 or LH275 is equipped with UniBase technology that allows you to
conference a call between your office phone and softphone. To activate UniBase mode, start
with the base in phone mode with a call on the phone line. Press and hold the PC button for
4 seconds. Both phone and computer mode lights will light up. You can now conference a
softphone call with the existing telephone call. To exit UniBase mode, press the phone mode
button. Note: all computer sounds will be shared with the conference call.
3.5
8
11
3.6 Out of range and reconnection
You will hear a warning tone in the headset when you walk out of range of the base. The
headset will be disconnected from the base and the call will be automatically placed on
hold. If you move back inside the range of the base the headset will automatically
reconnect and the call will be active again.
NOTE: If you do not move back inside the base range within 5 minutes the call will be
disconnected.
3.7 Battery level indication
The four LEDs on the top of the headset base indicate the battery level of your headset
battery.
Indication Battery level
< 20%
One LED on 20%-40%
Two LEDs on 40%-60%
Three LEDs on 60%-80%
Four LEDs on 80%-100%
Manual W9xx.pdf 1 6/27/2016 11:47:56 AM
3.10
You will hear warning beeps in the headset when you walk out of range of the base. If the
headset disconnects due to being out of range, the call will not drop. The headset will
automatically reconnect when you are back in range and the call will be active again.
3.11
11
3.6 Out of range and reconnection
You will hear a warning tone in the headset when you walk out of range of the base. The
headset will be disconnected from the base and the call will be automatically placed on
hold. If you move back inside the range of the base the headset will automatically
reconnect and the call will be active again.
NOTE: If you do not move back inside the base range within 5 minutes the call will be
disconnected.
3.7 Battery level indication
The four LEDs on the top of the headset base indicate the battery level of your headset
battery.
Indication Battery level
< 20%
One LED on 20%-40%
Two LEDs on 40%-60%
Three LEDs on 60%-80%
Four LEDs on 80%-100%
Manual W9xx.pdf 1 6/27/2016 11:47:56 AM
9 10
8 9
manual_270-275_v5.indd 8 3/20/2017 1:18:01 PM

9
3. Operation
3.1 Making and receiving calls
3.1.1 Making an outgoing call in telephone mode
• Ensurethatthe‘TEL’buttonontopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebasetostartthecall.Ifyouarealreadywearingtheheadset,
press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light. If a
handset lifter or electronic hookswitch device is connected to the headset base, the
line will be seized. Otherwise, you will also need to activate the headset port via your
telephone terminal.
• Dialthetelephonenumberonthetelephoneterminal
• Afternishingthecall,replacetheheadsetonthebaseorpresstheON/OFFbuttonto
disconnect. The‘Online Indicator’ LED will turn o.
3.1.2 Receiving an incoming call in telephone mode
• Ifthereisanincomingcallfromthetelephonelineandtheheadsetbaseisconnected
to a handset lifter or electronic hook switch device, the ‘TEL’LED and headset LED will
ash, also a ring tone will be heard on the headset.
• Lifttheheadsetfromthebasetoanswerthecall.Ifyouarealreadywearingthe
headset press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light.
If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be seized. Otherwise, you will also need to activate the headset port via
your telephone terminal.
• Toendthecall,replacetheheadsetonthebaseorpresstheheadsetON/OFFbutton.
9
3. Operation
3.1 Making and receiving calls
3.1.1 Making an outgoing call in telephone mode
• Ensurethatthe‘TEL’buttonontopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebasetostartthecall.Ifyouarealreadywearingtheheadset,
press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light. If a
handset lifter or electronic hookswitch device is connected to the headset base, the
line will be seized. Otherwise, you will also need to activate the headset port via your
telephone terminal.
• Dialthetelephonenumberonthetelephoneterminal
• Afternishingthecall,replacetheheadsetonthebaseorpresstheON/OFFbuttonto
disconnect. The‘Online Indicator’ LED will turn o.
3.1.2 Receiving an incoming call in telephone mode
• Ifthereisanincomingcallfromthetelephonelineandtheheadsetbaseisconnected
to a handset lifter or electronic hook switch device, the ‘TEL’LED and headset LED will
ash, also a ring tone will be heard on the headset.
• Lifttheheadsetfromthebasetoanswerthecall.Ifyouarealreadywearingthe
headset press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light.
If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be seized. Otherwise, you will also need to activate the headset port via
your telephone terminal.
• Toendthecall,replacetheheadsetonthebaseorpresstheheadsetON/OFFbutton.
• Press the headset’s ON/OFF button. The base’s Online Indicator LED will light.
• If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be engaged automatically. Otherwise, you will need lift the headset of your
telephone or activate the headset port on your telephone.
• To end the call, replace the headset on the base or press the ON/OFF button. If you do
not have an EHS cable or a handset lifter, you will need to manually disconnect the line.
• Press the headset’s ON/OFF button. The base ‘Online Indicator’ LED will light.
• If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be engaged automatically. Otherwise, you will need lift the headset of your
telephone or activate the headset button on your telephone.
• Dial the number you’re calling.
• After finishing the call, press the headset ON/OFF button to end the call if you have
a handset lifter or EHS cable. Otherwise, just hang up the phone manually.
3.2
3.3
10
3.1.3 Making an outgoing call in USB/PC mode
• Ensurethatthe‘PC’buttononthetopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebaseorpresstheheadset’sON/OFFbuttonifyouarealready
wearing it and the base ‘Online Indicator’ LED will light.
• AfternishingyourVOIPcall,presstheON/OFFbuttontodisconnect.Thebase
‘Online Indicator’ LED will turn o.
3.2 Adjusting the ringing volume
When the headset is ringing to indicate an incoming call, you can adjust the ring volume
with the volume control buttons located on the headset.
3.3 Muting the headset microphone
To mute the headset microphone when on a call, press the mute button on the headset.
While the headset is in mute mode, a short beep will be heard on the headset every 8
seconds. Press the mute button again to release the mute.
3.4 Headset transmitting volume setting
Youcanadjustthetransmitvolumeoftheheadsetbyusingthetwobuttons
located on the bottom of the headset base.
3.5 Adjusting headset receive volume
Use the volume control buttons on the headset to adjust the receive volume of your head-
set.Youwillhearabeepsoundforeachvolumestepupordown.
3.4
• If there is an incoming call and the headset base is connected to a handset lifter or
electronic hookswitch device, the TEL light and headset light will flash, and a ring
tone will be heard on the headset.
• Ensure that the TEL button on top of the headset base is selected.
• Press the headset’s ON/OFF button. The base’s Online Indicator will light.
the line will be engaged automatically. Otherwise, you will need lift the handset of
your telephone or activate the headset button on your telephone.
• Ensure that the PC button on the top of the headset base is selected.
• Lift the headset from the base, or press the headset’s ON/OFF button if you are
already wearing it, and the base’s Online Indicator will light.
• After finishing your call, press the ON/OFF button to disconnect. The base’s
Online Indicator will turn off.
the line will be engaged automatically. Otherwise, you will need lift the handset of
your telephone or activate the headset button on your telephone.
7 8
10
3.1.3 Making an outgoing call in USB/PC mode
• Ensurethatthe‘PC’buttononthetopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebaseorpresstheheadset’sON/OFFbuttonifyouarealready
wearing it and the base ‘Online Indicator’ LED will light.
• AfternishingyourVOIPcall,presstheON/OFFbuttontodisconnect.Thebase
‘Online Indicator’ LED will turn o.
3.2 Adjusting the ringing volume
When the headset is ringing to indicate an incoming call, you can adjust the ring volume
with the volume control buttons located on the headset.
3.3 Muting the headset microphone
To mute the headset microphone when on a call, press the mute button on the headset.
While the headset is in mute mode, a short beep will be heard on the headset every 8
seconds. Press the mute button again to release the mute.
3.4 Headset transmitting volume setting
Youcanadjustthetransmitvolumeoftheheadsetbyusingthetwobuttons
located on the bottom of the headset base.
3.5 Adjusting headset receive volume
Use the volume control buttons on the headset to adjust the receive volume of your head-
set.Youwillhearabeepsoundforeachvolumestepupordown.
10
3.1.3 Making an outgoing call in USB/PC mode
• Ensurethatthe‘PC’buttononthetopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebaseorpresstheheadset’sON/OFFbuttonifyouarealready
wearing it and the base ‘Online Indicator’ LED will light.
• AfternishingyourVOIPcall,presstheON/OFFbuttontodisconnect.Thebase
‘Online Indicator’ LED will turn o.
3.2 Adjusting the ringing volume
When the headset is ringing to indicate an incoming call, you can adjust the ring volume
with the volume control buttons located on the headset.
3.3 Muting the headset microphone
To mute the headset microphone when on a call, press the mute button on the headset.
While the headset is in mute mode, a short beep will be heard on the headset every 8
seconds. Press the mute button again to release the mute.
3.4 Headset transmitting volume setting
Youcanadjustthetransmitvolumeoftheheadsetbyusingthetwobuttons
located on the bottom of the headset base.
3.5 Adjusting headset receive volume
Use the volume control buttons on the headset to adjust the receive volume of your head-
set.Youwillhearabeepsoundforeachvolumestepupordown.
3.6 Adjusting the ring volume
Press the mute button again to cancel/end the mute.
Headset microphone volume setting
Adjusting headset listening volume
You can adjust your speaking volume by using the two buttons located on the bottom of the
headset base.
Use the volume control buttons on the headset to adjust the listening volume. You will
hear a beep for each volume step up or down.
3.7
3.8
3.9
3.9 Making a call using UniBase™ Mode
Your Leitner LH270 or LH275 is equipped with UniBase technology that allows you to
conference a call between your office phone and softphone. To activate UniBase mode, start
with the base in phone mode with a call on the phone line. Press and hold the PC button for
4 seconds. Both phone and computer mode lights will light up. You can now conference a
softphone call with the existing telephone call. To exit UniBase mode, press the phone mode
button. Note: all computer sounds will be shared with the conference call.
3.5
8
10
3.1.3 Making an outgoing call in USB/PC mode
• Ensurethatthe‘PC’buttononthetopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebaseorpresstheheadset’sON/OFFbuttonifyouarealready
wearing it and the base ‘Online Indicator’ LED will light.
• AfternishingyourVOIPcall,presstheON/OFFbuttontodisconnect.Thebase
‘Online Indicator’ LED will turn o.
3.2 Adjusting the ringing volume
When the headset is ringing to indicate an incoming call, you can adjust the ring volume
with the volume control buttons located on the headset.
3.3 Muting the headset microphone
To mute the headset microphone when on a call, press the mute button on the headset.
While the headset is in mute mode, a short beep will be heard on the headset every 8
seconds. Press the mute button again to release the mute.
3.4 Headset transmitting volume setting
Youcanadjustthetransmitvolumeoftheheadsetbyusingthetwobuttons
located on the bottom of the headset base.
3.5 Adjusting headset receive volume
Use the volume control buttons on the headset to adjust the receive volume of your head-
set.Youwillhearabeepsoundforeachvolumestepupordown.
10
3.1.3 Making an outgoing call in USB/PC mode
• Ensurethatthe‘PC’buttononthetopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebaseorpresstheheadset’sON/OFFbuttonifyouarealready
wearing it and the base ‘Online Indicator’ LED will light.
• AfternishingyourVOIPcall,presstheON/OFFbuttontodisconnect.Thebase
‘Online Indicator’ LED will turn o.
3.2 Adjusting the ringing volume
When the headset is ringing to indicate an incoming call, you can adjust the ring volume
with the volume control buttons located on the headset.
3.3 Muting the headset microphone
To mute the headset microphone when on a call, press the mute button on the headset.
While the headset is in mute mode, a short beep will be heard on the headset every 8
seconds. Press the mute button again to release the mute.
3.4 Headset transmitting volume setting
Youcanadjustthetransmitvolumeoftheheadsetbyusingthetwobuttons
located on the bottom of the headset base.
3.5 Adjusting headset receive volume
Use the volume control buttons on the headset to adjust the receive volume of your head-
set.Youwillhearabeepsoundforeachvolumestepupordown.
3.6 Adjusting the ring volume
Press the mute button again to cancel/end the mute.
Headset microphone volume setting
Adjusting headset listening volume
You can adjust your speaking volume by using the two buttons located on the bottom of the
headset base.
Use the volume control buttons on the headset to adjust the listening volume. You will
hear a beep for each volume step up or down.
3.7
3.8
3.9
3.9 Making a call using UniBase™ Mode
Your Leitner LH270 or LH275 is equipped with UniBase technology that allows you to
conference a call between your office phone and softphone. To activate UniBase mode, start
with the base in phone mode with a call on the phone line. Press and hold the PC button for
4 seconds. Both phone and computer mode lights will light up. You can now conference a
softphone call with the existing telephone call. To exit UniBase mode, press the phone mode
button. Note: all computer sounds will be shared with the conference call.
3.5
8
11
3.6 Out of range and reconnection
You will hear a warning tone in the headset when you walk out of range of the base. The
headset will be disconnected from the base and the call will be automatically placed on
hold. If you move back inside the range of the base the headset will automatically
reconnect and the call will be active again.
NOTE: If you do not move back inside the base range within 5 minutes the call will be
disconnected.
3.7 Battery level indication
The four LEDs on the top of the headset base indicate the battery level of your headset
battery.
Indication Battery level
< 20%
One LED on 20%-40%
Two LEDs on 40%-60%
Three LEDs on 60%-80%
Four LEDs on 80%-100%
Manual W9xx.pdf 1 6/27/2016 11:47:56 AM
3.10
You will hear warning beeps in the headset when you walk out of range of the base. If the
headset disconnects due to being out of range, the call will not drop. The headset will
automatically reconnect when you are back in range and the call will be active again.
3.11
11
3.6 Out of range and reconnection
You will hear a warning tone in the headset when you walk out of range of the base. The
headset will be disconnected from the base and the call will be automatically placed on
hold. If you move back inside the range of the base the headset will automatically
reconnect and the call will be active again.
NOTE: If you do not move back inside the base range within 5 minutes the call will be
disconnected.
3.7 Battery level indication
The four LEDs on the top of the headset base indicate the battery level of your headset
battery.
Indication Battery level
< 20%
One LED on 20%-40%
Two LEDs on 40%-60%
Three LEDs on 60%-80%
Four LEDs on 80%-100%
Manual W9xx.pdf 1 6/27/2016 11:47:56 AM
9 10
8 9
Otherwise, you will need to lift the handset of
9
3. Operation
3.1 Making and receiving calls
3.1.1 Making an outgoing call in telephone mode
• Ensurethatthe‘TEL’buttonontopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebasetostartthecall.Ifyouarealreadywearingtheheadset,
press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light. If a
handset lifter or electronic hookswitch device is connected to the headset base, the
line will be seized. Otherwise, you will also need to activate the headset port via your
telephone terminal.
• Dialthetelephonenumberonthetelephoneterminal
• Afternishingthecall,replacetheheadsetonthebaseorpresstheON/OFFbuttonto
disconnect. The‘Online Indicator’ LED will turn o.
3.1.2 Receiving an incoming call in telephone mode
• Ifthereisanincomingcallfromthetelephonelineandtheheadsetbaseisconnected
to a handset lifter or electronic hook switch device, the ‘TEL’LED and headset LED will
ash, also a ring tone will be heard on the headset.
• Lifttheheadsetfromthebasetoanswerthecall.Ifyouarealreadywearingthe
headset press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light.
If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be seized. Otherwise, you will also need to activate the headset port via
your telephone terminal.
• Toendthecall,replacetheheadsetonthebaseorpresstheheadsetON/OFFbutton.
9
3. Operation
3.1 Making and receiving calls
3.1.1 Making an outgoing call in telephone mode
• Ensurethatthe‘TEL’buttonontopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebasetostartthecall.Ifyouarealreadywearingtheheadset,
press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light. If a
handset lifter or electronic hookswitch device is connected to the headset base, the
line will be seized. Otherwise, you will also need to activate the headset port via your
telephone terminal.
• Dialthetelephonenumberonthetelephoneterminal
• Afternishingthecall,replacetheheadsetonthebaseorpresstheON/OFFbuttonto
disconnect. The‘Online Indicator’ LED will turn o.
3.1.2 Receiving an incoming call in telephone mode
• Ifthereisanincomingcallfromthetelephonelineandtheheadsetbaseisconnected
to a handset lifter or electronic hook switch device, the ‘TEL’LED and headset LED will
ash, also a ring tone will be heard on the headset.
• Lifttheheadsetfromthebasetoanswerthecall.Ifyouarealreadywearingthe
headset press the headset’s ‘ON/OFF’ button. The base ‘Online Indicator’ LED will light.
If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be seized. Otherwise, you will also need to activate the headset port via
your telephone terminal.
• Toendthecall,replacetheheadsetonthebaseorpresstheheadsetON/OFFbutton.
• Press the headset’s ON/OFF button. The base’s Online Indicator LED will light.
• If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be engaged automatically. Otherwise, you will need lift the headset of your
telephone or activate the headset port on your telephone.
• To end the call, replace the headset on the base or press the ON/OFF button. If you do
not have an EHS cable or a handset lifter, you will need to manually disconnect the line.
• Press the headset’s ON/OFF button. The base ‘Online Indicator’ LED will light.
• If a handset lifter or electronic hookswitch device is connected to the headset base,
the line will be engaged automatically. Otherwise, you will need lift the headset of your
telephone or activate the headset button on your telephone.
• Dial the number you’re calling.
• After finishing the call, press the headset ON/OFF button to end the call if you have
a handset lifter or EHS cable. Otherwise, just hang up the phone manually.
3.2
3.3
10
3.1.3 Making an outgoing call in USB/PC mode
• Ensurethatthe‘PC’buttononthetopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebaseorpresstheheadset’sON/OFFbuttonifyouarealready
wearing it and the base ‘Online Indicator’ LED will light.
• AfternishingyourVOIPcall,presstheON/OFFbuttontodisconnect.Thebase
‘Online Indicator’ LED will turn o.
3.2 Adjusting the ringing volume
When the headset is ringing to indicate an incoming call, you can adjust the ring volume
with the volume control buttons located on the headset.
3.3 Muting the headset microphone
To mute the headset microphone when on a call, press the mute button on the headset.
While the headset is in mute mode, a short beep will be heard on the headset every 8
seconds. Press the mute button again to release the mute.
3.4 Headset transmitting volume setting
Youcanadjustthetransmitvolumeoftheheadsetbyusingthetwobuttons
located on the bottom of the headset base.
3.5 Adjusting headset receive volume
Use the volume control buttons on the headset to adjust the receive volume of your head-
set.Youwillhearabeepsoundforeachvolumestepupordown.
3.4
• If there is an incoming call and the headset base is connected to a handset lifter or
electronic hookswitch device, the TEL light and headset light will flash, and a ring
tone will be heard on the headset.
• Ensure that the TEL button on top of the headset base is selected.
• Press the headset’s ON/OFF button. The base’s Online Indicator will light.
the line will be engaged automatically. Otherwise, you will need lift the handset of
your telephone or activate the headset button on your telephone.
• Ensure that the PC button on the top of the headset base is selected.
• Lift the headset from the base, or press the headset’s ON/OFF button if you are
already wearing it, and the base’s Online Indicator will light.
• After finishing your call, press the ON/OFF button to disconnect. The base’s
Online Indicator will turn off.
the line will be engaged automatically. Otherwise, you will need lift the handset of
your telephone or activate the headset button on your telephone.
7 8
10
3.1.3 Making an outgoing call in USB/PC mode
• Ensurethatthe‘PC’buttononthetopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebaseorpresstheheadset’sON/OFFbuttonifyouarealready
wearing it and the base ‘Online Indicator’ LED will light.
• AfternishingyourVOIPcall,presstheON/OFFbuttontodisconnect.Thebase
‘Online Indicator’ LED will turn o.
3.2 Adjusting the ringing volume
When the headset is ringing to indicate an incoming call, you can adjust the ring volume
with the volume control buttons located on the headset.
3.3 Muting the headset microphone
To mute the headset microphone when on a call, press the mute button on the headset.
While the headset is in mute mode, a short beep will be heard on the headset every 8
seconds. Press the mute button again to release the mute.
3.4 Headset transmitting volume setting
Youcanadjustthetransmitvolumeoftheheadsetbyusingthetwobuttons
located on the bottom of the headset base.
3.5 Adjusting headset receive volume
Use the volume control buttons on the headset to adjust the receive volume of your head-
set.Youwillhearabeepsoundforeachvolumestepupordown.
10
3.1.3 Making an outgoing call in USB/PC mode
• Ensurethatthe‘PC’buttononthetopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebaseorpresstheheadset’sON/OFFbuttonifyouarealready
wearing it and the base ‘Online Indicator’ LED will light.
• AfternishingyourVOIPcall,presstheON/OFFbuttontodisconnect.Thebase
‘Online Indicator’ LED will turn o.
3.2 Adjusting the ringing volume
When the headset is ringing to indicate an incoming call, you can adjust the ring volume
with the volume control buttons located on the headset.
3.3 Muting the headset microphone
To mute the headset microphone when on a call, press the mute button on the headset.
While the headset is in mute mode, a short beep will be heard on the headset every 8
seconds. Press the mute button again to release the mute.
3.4 Headset transmitting volume setting
Youcanadjustthetransmitvolumeoftheheadsetbyusingthetwobuttons
located on the bottom of the headset base.
3.5 Adjusting headset receive volume
Use the volume control buttons on the headset to adjust the receive volume of your head-
set.Youwillhearabeepsoundforeachvolumestepupordown.
3.6 Adjusting the ring volume
Press the mute button again to cancel/end the mute.
Headset microphone volume setting
Adjusting headset listening volume
You can adjust your speaking volume by using the two buttons located on the bottom of the
headset base.
Use the volume control buttons on the headset to adjust the listening volume. You will
hear a beep for each volume step up or down.
3.7
3.8
3.9
3.9 Making a call using UniBase™ Mode
Your Leitner LH270 or LH275 is equipped with UniBase technology that allows you to
conference a call between your office phone and softphone. To activate UniBase mode, start
with the base in phone mode with a call on the phone line. Press and hold the PC button for
4 seconds. Both phone and computer mode lights will light up. You can now conference a
softphone call with the existing telephone call. To exit UniBase mode, press the phone mode
button. Note: all computer sounds will be shared with the conference call.
3.5
8
10
3.1.3 Making an outgoing call in USB/PC mode
• Ensurethatthe‘PC’buttononthetopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebaseorpresstheheadset’sON/OFFbuttonifyouarealready
wearing it and the base ‘Online Indicator’ LED will light.
• AfternishingyourVOIPcall,presstheON/OFFbuttontodisconnect.Thebase
‘Online Indicator’ LED will turn o.
3.2 Adjusting the ringing volume
When the headset is ringing to indicate an incoming call, you can adjust the ring volume
with the volume control buttons located on the headset.
3.3 Muting the headset microphone
To mute the headset microphone when on a call, press the mute button on the headset.
While the headset is in mute mode, a short beep will be heard on the headset every 8
seconds. Press the mute button again to release the mute.
3.4 Headset transmitting volume setting
Youcanadjustthetransmitvolumeoftheheadsetbyusingthetwobuttons
located on the bottom of the headset base.
3.5 Adjusting headset receive volume
Use the volume control buttons on the headset to adjust the receive volume of your head-
set.Youwillhearabeepsoundforeachvolumestepupordown.
10
3.1.3 Making an outgoing call in USB/PC mode
• Ensurethatthe‘PC’buttononthetopoftheheadsetbaseisselected.
• Lifttheheadsetfromthebaseorpresstheheadset’sON/OFFbuttonifyouarealready
wearing it and the base ‘Online Indicator’ LED will light.
• AfternishingyourVOIPcall,presstheON/OFFbuttontodisconnect.Thebase
‘Online Indicator’ LED will turn o.
3.2 Adjusting the ringing volume
When the headset is ringing to indicate an incoming call, you can adjust the ring volume
with the volume control buttons located on the headset.
3.3 Muting the headset microphone
To mute the headset microphone when on a call, press the mute button on the headset.
While the headset is in mute mode, a short beep will be heard on the headset every 8
seconds. Press the mute button again to release the mute.
3.4 Headset transmitting volume setting
Youcanadjustthetransmitvolumeoftheheadsetbyusingthetwobuttons
located on the bottom of the headset base.
3.5 Adjusting headset receive volume
Use the volume control buttons on the headset to adjust the receive volume of your head-
set.Youwillhearabeepsoundforeachvolumestepupordown.
3.6 Adjusting the ring volume
Press the mute button again to cancel/end the mute.
Headset microphone volume setting
Adjusting headset listening volume
You can adjust your speaking volume by using the two buttons located on the bottom of the
headset base.
Use the volume control buttons on the headset to adjust the listening volume. You will
hear a beep for each volume step up or down.
3.7
3.8
3.9
3.9 Making a call using UniBase™ Mode
Your Leitner LH270 or LH275 is equipped with UniBase technology that allows you to
conference a call between your office phone and softphone. To activate UniBase mode, start
with the base in phone mode with a call on the phone line. Press and hold the PC button for
4 seconds. Both phone and computer mode lights will light up. You can now conference a
softphone call with the existing telephone call. To exit UniBase mode, press the phone mode
button. Note: all computer sounds will be shared with the conference call.
3.5
8
11
3.6 Out of range and reconnection
You will hear a warning tone in the headset when you walk out of range of the base. The
headset will be disconnected from the base and the call will be automatically placed on
hold. If you move back inside the range of the base the headset will automatically
reconnect and the call will be active again.
NOTE: If you do not move back inside the base range within 5 minutes the call will be
disconnected.
3.7 Battery level indication
The four LEDs on the top of the headset base indicate the battery level of your headset
battery.
Indication Battery level
< 20%
One LED on 20%-40%
Two LEDs on 40%-60%
Three LEDs on 60%-80%
Four LEDs on 80%-100%
Manual W9xx.pdf 1 6/27/2016 11:47:56 AM
3.10
You will hear warning beeps in the headset when you walk out of range of the base. If the
headset disconnects due to being out of range, the call will not drop. The headset will
automatically reconnect when you are back in range and the call will be active again.
3.11
11
3.6 Out of range and reconnection
You will hear a warning tone in the headset when you walk out of range of the base. The
headset will be disconnected from the base and the call will be automatically placed on
hold. If you move back inside the range of the base the headset will automatically
reconnect and the call will be active again.
NOTE: If you do not move back inside the base range within 5 minutes the call will be
disconnected.
3.7 Battery level indication
The four LEDs on the top of the headset base indicate the battery level of your headset
battery.
Indication Battery level
< 20%
One LED on 20%-40%
Two LEDs on 40%-60%
Three LEDs on 60%-80%
Four LEDs on 80%-100%
Manual W9xx.pdf 1 6/27/2016 11:47:56 AM
9 10
8
9
manual_270-275_v5.indd 9 3/20/2017 1:18:02 PM

11
3.6 Out of range and reconnection
You will hear a warning tone in the headset when you walk out of range of the base. The
headset will be disconnected from the base and the call will be automatically placed on
hold. If you move back inside the range of the base the headset will automatically
reconnect and the call will be active again.
NOTE: If you do not move back inside the base range within 5 minutes the call will be
disconnected.
3.7 Battery level indication
The four LEDs on the top of the headset base indicate the battery level of your headset
battery.
Indication Battery level
< 20%
One LED on 20%-40%
Two LEDs on 40%-60%
Three LEDs on 60%-80%
Four LEDs on 80%-100%
Manual W9xx.pdf 1 6/27/2016 11:47:56 AM
3.10
You will hear warning beeps in the headset when you walk out of range of the base. If the
headset disconnects due to being out of range, the call will not drop. The headset will
automatically reconnect when you are back in range and the call will be active again.
3.11
11
3.6 Out of range and reconnection
You will hear a warning tone in the headset when you walk out of range of the base. The
headset will be disconnected from the base and the call will be automatically placed on
hold. If you move back inside the range of the base the headset will automatically
reconnect and the call will be active again.
NOTE: If you do not move back inside the base range within 5 minutes the call will be
disconnected.
3.7 Battery level indication
The four LEDs on the top of the headset base indicate the battery level of your headset
battery.
Indication Battery level
< 20%
One LED on 20%-40%
Two LEDs on 40%-60%
Three LEDs on 60%-80%
Four LEDs on 80%-100%
Manual W9xx.pdf 1 6/27/2016 11:47:56 AM
9 10
13
3.9 Overview of audio signals
Action Audio indication
Low battery 2 rapid beeps (60 sec repeat)
Nearly out of range 2 beeps
Out of range 2 pitch tone
Back in range 4 rapid beeps
Receiver volume up/down 1 beep
Mute on 2 pitch tone (8 sec repeat)
Mute o 1 beep
Ringer (EH device) Multi tone (2 sec repeat)
3.10 Registering a new headset to the base
YoucanregisteranewprimaryheadsetunittoyourIPNW9xxbaseusingthefollowing
procedure:
• Pressandholdthe‘TEL’buttonontheheadsetbaseforvesecondstoenterthe
registration mode. The ‘TEL’LED will ash to indicate it is now in registration mode.
• Pressandholdthe‘mute’buttonontheheadsetforvesecondsfortheheadsetto
enter the registration mode.
• Theheadsetwillnowberegisteredtothebasewhichwilltakearound30seconds.
When the registration has completed, the base ‘TEL’LED will stop ashing.
3.11 Using the IPN W9xx for call recording
With the IPN W9xx it is possible to connect a normal telephone call to the USB port of your
computer. This feature can be used to record phone calls with voice recording software on
your PC.
You can register a new primary headset unit to your LH270 or LH275 base using the following
Using the LH280 for call recording
With the LH280 it is possible to connect a normal telephone call to the USB port of your
3.13
3.14
NOTE: The LH280 model cannot register to the LH270 or LH275 base.
• Press and hold the TEL button on the base for five seconds to make the base
enter registration mode. The TEL light will flash showing the base is in registration mode.
• Press and hold the mute button on the headset for five seconds to make the headset
enter the registration mode.
When the registration has completed, the base TEL light will stop flashing.
11 12
13
3.9 Overview of audio signals
Action Audio indication
Low battery 2 rapid beeps (60 sec repeat)
Nearly out of range 2 beeps
Out of range 2 pitch tone
Back in range 4 rapid beeps
Receiver volume up/down 1 beep
Mute on 2 pitch tone (8 sec repeat)
Mute o 1 beep
Ringer (EH device) Multi tone (2 sec repeat)
3.10 Registering a new headset to the base
YoucanregisteranewprimaryheadsetunittoyourIPNW9xxbaseusingthefollowing
procedure:
• Pressandholdthe‘TEL’buttonontheheadsetbaseforvesecondstoenterthe
registration mode. The ‘TEL’LED will ash to indicate it is now in registration mode.
• Pressandholdthe‘mute’buttonontheheadsetforvesecondsfortheheadsetto
enter the registration mode.
• Theheadsetwillnowberegisteredtothebasewhichwilltakearound30seconds.
When the registration has completed, the base ‘TEL’LED will stop ashing.
3.11 Using the IPN W9xx for call recording
With the IPN W9xx it is possible to connect a normal telephone call to the USB port of your
computer. This feature can be used to record phone calls with voice recording software on
your PC.
You can register a new primary headset unit to your LH270 or LH275 base using the following
Using the LH280 for call recording
With the LH280 it is possible to connect a normal telephone call to the USB port of your
3.13
3.14
NOTE: The LH280 model cannot register to the LH270 or LH275 base.
• Press and hold the TEL button on the base for five seconds to make the base
enter registration mode. The TEL light will flash showing the base is in registration mode.
• Press and hold the mute button on the headset for five seconds to make the headset
enter the registration mode.
When the registration has completed, the base TEL light will stop flashing.
11 12
12
3.8 Making a conference call
YourIPNDECTheadsetallowsasecondandthirdheadsettobetemporarilyconnectedto
the base so that you can have a three way conference call.
• Setupthecallusingtheprimaryheadsetunit.
• Onceonthecall,placethesecondIPNDECTheadsetunitonthebasecharger.
• Afteraboutonesecond,theheadset‘OnlineIndicator’LEDofthenewheadsetwill
turn on and the base ‘Online Indicator’ LED will ash to indicate the headset is
registering with the base unit.
• Oncetheregisteringhascompleted,thebase‘OnlineIndicator’LEDwillstopashing
and the additional headset LED will ash.
• Oncetheregistrationhascompleted,aconrmationsoundwillbeheardonthe
primary headset.
• Repeatthestepsmentionedabovetoregisterathirdheadset.
• Lifttheadditionalheadsetfromthebaseanditwillentertalkmode.Allthree
headsets are now in conference mode.
NOTE: The additional headset will only remain registered to the base for the duration of the
call. After the primary headset has ended the call, the unit will return to its normal state.
The IPN DECT headset also allows you to make a conference call between your normal
phone and a PC or MAC computer. To activate this option hold down the PC/USB switch for
four seconds. Both LEDs of the PC/USB and TEL buttons will light. If one of the buttons is
touched again this function will be switched o and the headset will return to the mode of
the button pressed.
Your Leitner LH270 or LH275 headset allows a second and third headset to be temporarily
connected to the base for training or conference calls.
• Set up the call using the primary headset.
• Once on the call, place the second headset on the base charger.*
3.12 Training mode and making a conference call
• After about one second, the headset’s Online Indicator will turn on and the base’s
Online Indicator will flash to indicate that the headset is registering with the base unit.
• Once the registering has completed, a confirmation sound will be heard on the
primary headset.
• Lift the additional headset from the base and it will enter talk mode.
• Repeat the steps above to register a third headset.
12
3.8 Making a conference call
YourIPNDECTheadsetallowsasecondandthirdheadsettobetemporarilyconnectedto
the base so that you can have a three way conference call.
• Setupthecallusingtheprimaryheadsetunit.
• Onceonthecall,placethesecondIPNDECTheadsetunitonthebasecharger.
• Afteraboutonesecond,theheadset‘OnlineIndicator’LEDofthenewheadsetwill
turn on and the base ‘Online Indicator’ LED will ash to indicate the headset is
registering with the base unit.
• Oncetheregisteringhascompleted,thebase‘OnlineIndicator’LEDwillstopashing
and the additional headset LED will ash.
• Oncetheregistrationhascompleted,aconrmationsoundwillbeheardonthe
primary headset.
• Repeatthestepsmentionedabovetoregisterathirdheadset.
• Lifttheadditionalheadsetfromthebaseanditwillentertalkmode.Allthree
headsets are now in conference mode.
NOTE: The additional headset will only remain registered to the base for the duration of the
call. After the primary headset has ended the call, the unit will return to its normal state.
The IPN DECT headset also allows you to make a conference call between your normal
phone and a PC or MAC computer. To activate this option hold down the PC/USB switch for
four seconds. Both LEDs of the PC/USB and TEL buttons will light. If one of the buttons is
touched again this function will be switched o and the headset will return to the mode of
the button pressed.
*Your Leitner LH270 or LH275 headset cannot conference with other headset models.
10
12
3.8 Making a conference call
YourIPNDECTheadsetallowsasecondandthirdheadsettobetemporarilyconnectedto
the base so that you can have a three way conference call.
• Setupthecallusingtheprimaryheadsetunit.
• Onceonthecall,placethesecondIPNDECTheadsetunitonthebasecharger.
• Afteraboutonesecond,theheadset‘OnlineIndicator’LEDofthenewheadsetwill
turn on and the base ‘Online Indicator’ LED will ash to indicate the headset is
registering with the base unit.
• Oncetheregisteringhascompleted,thebase‘OnlineIndicator’LEDwillstopashing
and the additional headset LED will ash.
• Oncetheregistrationhascompleted,aconrmationsoundwillbeheardonthe
primary headset.
• Repeatthestepsmentionedabovetoregisterathirdheadset.
• Lifttheadditionalheadsetfromthebaseanditwillentertalkmode.Allthree
headsets are now in conference mode.
NOTE: The additional headset will only remain registered to the base for the duration of the
call. After the primary headset has ended the call, the unit will return to its normal state.
The IPN DECT headset also allows you to make a conference call between your normal
phone and a PC or MAC computer. To activate this option hold down the PC/USB switch for
four seconds. Both LEDs of the PC/USB and TEL buttons will light. If one of the buttons is
touched again this function will be switched o and the headset will return to the mode of
the button pressed.
Your Leitner LH270 or LH275 headset allows a second and third headset to be temporarily
connected to the base for training or conference calls.
• Set up the call using the primary headset.
• Once on the call, place the second headset on the base charger.*
3.12 Training mode and making a conference call
• After about one second, the headset’s Online Indicator will turn on and the base’s
Online Indicator will flash to indicate that the headset is registering with the base unit.
• Once the registering has completed, a confirmation sound will be heard on the
primary headset.
• Lift the additional headset from the base and it will enter talk mode.
• Repeat the steps above to register a third headset.
12
3.8 Making a conference call
YourIPNDECTheadsetallowsasecondandthirdheadsettobetemporarilyconnectedto
the base so that you can have a three way conference call.
• Setupthecallusingtheprimaryheadsetunit.
• Onceonthecall,placethesecondIPNDECTheadsetunitonthebasecharger.
• Afteraboutonesecond,theheadset‘OnlineIndicator’LEDofthenewheadsetwill
turn on and the base ‘Online Indicator’ LED will ash to indicate the headset is
registering with the base unit.
• Oncetheregisteringhascompleted,thebase‘OnlineIndicator’LEDwillstopashing
and the additional headset LED will ash.
• Oncetheregistrationhascompleted,aconrmationsoundwillbeheardonthe
primary headset.
• Repeatthestepsmentionedabovetoregisterathirdheadset.
• Lifttheadditionalheadsetfromthebaseanditwillentertalkmode.Allthree
headsets are now in conference mode.
NOTE: The additional headset will only remain registered to the base for the duration of the
call. After the primary headset has ended the call, the unit will return to its normal state.
The IPN DECT headset also allows you to make a conference call between your normal
phone and a PC or MAC computer. To activate this option hold down the PC/USB switch for
four seconds. Both LEDs of the PC/USB and TEL buttons will light. If one of the buttons is
touched again this function will be switched o and the headset will return to the mode of
the button pressed.
*Your Leitner LH270 or LH275 headset cannot conference with other headset models.
10
3.11 Battery level indication
10
11
11
3.6 Out of range and reconnection
You will hear a warning tone in the headset when you walk out of range of the base. The
headset will be disconnected from the base and the call will be automatically placed on
hold. If you move back inside the range of the base the headset will automatically
reconnect and the call will be active again.
NOTE: If you do not move back inside the base range within 5 minutes the call will be
disconnected.
3.7 Battery level indication
The four LEDs on the top of the headset base indicate the battery level of your headset
battery.
Indication Battery level
< 20%
One LED on 20%-40%
Two LEDs on 40%-60%
Three LEDs on 60%-80%
Four LEDs on 80%-100%
Manual W9xx.pdf 1 6/27/2016 11:47:56 AM
3.10
You will hear warning beeps in the headset when you walk out of range of the base. If the
headset disconnects due to being out of range, the call will not drop. The headset will
automatically reconnect when you are back in range and the call will be active again.
3.11
11
3.6 Out of range and reconnection
You will hear a warning tone in the headset when you walk out of range of the base. The
headset will be disconnected from the base and the call will be automatically placed on
hold. If you move back inside the range of the base the headset will automatically
reconnect and the call will be active again.
NOTE: If you do not move back inside the base range within 5 minutes the call will be
disconnected.
3.7 Battery level indication
The four LEDs on the top of the headset base indicate the battery level of your headset
battery.
Indication Battery level
< 20%
One LED on 20%-40%
Two LEDs on 40%-60%
Three LEDs on 60%-80%
Four LEDs on 80%-100%
Manual W9xx.pdf 1 6/27/2016 11:47:56 AM
9 10
13
3.9 Overview of audio signals
Action Audio indication
Low battery 2 rapid beeps (60 sec repeat)
Nearly out of range 2 beeps
Out of range 2 pitch tone
Back in range 4 rapid beeps
Receiver volume up/down 1 beep
Mute on 2 pitch tone (8 sec repeat)
Mute o 1 beep
Ringer (EH device) Multi tone (2 sec repeat)
3.10 Registering a new headset to the base
YoucanregisteranewprimaryheadsetunittoyourIPNW9xxbaseusingthefollowing
procedure:
• Pressandholdthe‘TEL’buttonontheheadsetbaseforvesecondstoenterthe
registration mode. The ‘TEL’LED will ash to indicate it is now in registration mode.
• Pressandholdthe‘mute’buttonontheheadsetforvesecondsfortheheadsetto
enter the registration mode.
• Theheadsetwillnowberegisteredtothebasewhichwilltakearound30seconds.
When the registration has completed, the base ‘TEL’LED will stop ashing.
3.11 Using the IPN W9xx for call recording
With the IPN W9xx it is possible to connect a normal telephone call to the USB port of your
computer. This feature can be used to record phone calls with voice recording software on
your PC.
You can register a new primary headset unit to your LH270 or LH275 base using the following
Using the LH280 for call recording
With the LH280 it is possible to connect a normal telephone call to the USB port of your
3.13
3.14
NOTE: The LH280 model cannot register to the LH270 or LH275 base.
• Press and hold the TEL button on the base for five seconds to make the base
enter registration mode. The TEL light will flash showing the base is in registration mode.
• Press and hold the mute button on the headset for five seconds to make the headset
enter the registration mode.
When the registration has completed, the base TEL light will stop flashing.
11 12
13
3.9 Overview of audio signals
Action Audio indication
Low battery 2 rapid beeps (60 sec repeat)
Nearly out of range 2 beeps
Out of range 2 pitch tone
Back in range 4 rapid beeps
Receiver volume up/down 1 beep
Mute on 2 pitch tone (8 sec repeat)
Mute o 1 beep
Ringer (EH device) Multi tone (2 sec repeat)
3.10 Registering a new headset to the base
You can register a new primary headset unit to your IPN W9xx base using the following
procedure:
• Press and hold the ‘TEL’ button on the headset base for ve seconds to enter the
registration mode. The ‘TEL’LED will ash to indicate it is now in registration mode.
• Press and hold the ‘mute’ button on the headset for ve seconds for the headset to
enter the registration mode.
• The headset will now be registered to the base which will take around 30 seconds.
When the registration has completed, the base ‘TEL’LED will stop ashing.
3.11 Using the IPN W9xx for call recording
With the IPN W9xx it is possible to connect a normal telephone call to the USB port of your
computer. This feature can be used to record phone calls with voice recording software on
your PC.
You can register a new primary headset unit to your LH270 or LH275 base using the following
Using the LH280 for call recording
With the LH280 it is possible to connect a normal telephone call to the USB port of your
3.13
3.14
NOTE: The LH280 model cannot register to the LH270 or LH275 base.
• Press and hold the TEL button on the base for five seconds to make the base
enter registration mode. The TEL light will flash showing the base is in registration mode.
• Press and hold the mute button on the headset for five seconds to make the headset
enter the registration mode.
When the registration has completed, the base TEL light will stop flashing.
11 12
12
3.8 Making a conference call
Your IPN DECT headset allows a second and third headset to be temporarily connected to
the base so that you can have a three way conference call.
• Setup the call using the primary headset unit.
• Once on the call, place the second IPN DECT headset unit on the base charger.
• After about one second, the headset‘Online Indicator’ LED of the new headset will
turn on and the base ‘Online Indicator’ LED will ash to indicate the headset is
registering with the base unit.
• Once the registering has completed, the base‘Online Indicator’ LED will stop ashing
and the additional headset LED will ash.
• Once the registration has completed, a conrmation sound will be heard on the
primary headset.
• Repeat the steps mentioned above to register a third headset.
• Lift the additional headset from the base and it will enter talk mode. All three
headsets are now in conference mode.
NOTE: The additional headset will only remain registered to the base for the duration of the
call. After the primary headset has ended the call, the unit will return to its normal state.
The IPN DECT headset also allows you to make a conference call between your normal
phone and a PC or MAC computer. To activate this option hold down the PC/USB switch for
four seconds. Both LEDs of the PC/USB and TEL buttons will light. If one of the buttons is
touched again this function will be switched o and the headset will return to the mode of
the button pressed.
Your Leitner LH270 or LH275 headset allows a second and third headset to be temporarily
connected to the base for training or conference calls.
• Set up the call using the primary headset.
• Once on the call, place the second headset on the base charger.*
3.12 Training mode and making a conference call
• After about one second, the headset’s Online Indicator will turn on and the base’s
Online Indicator will flash to indicate that the headset is registering with the base unit.
• Once the registering has completed, a confirmation sound will be heard on the
primary headset.
• Lift the additional headset from the base and it will enter talk mode.
• Repeat the steps above to register a third headset.
12
3.8 Making a conference call
Your IPN DECT headset allows a second and third headset to be temporarily connected to
the base so that you can have a three way conference call.
• Setup the call using the primary headset unit.
• Once on the call, place the second IPN DECT headset unit on the base charger.
• After about one second, the headset‘Online Indicator’ LED of the new headset will
turn on and the base ‘Online Indicator’ LED will ash to indicate the headset is
registering with the base unit.
• Once the registering has completed, the base‘Online Indicator’ LED will stop ashing
and the additional headset LED will ash.
• Once the registration has completed, a conrmation sound will be heard on the
primary headset.
• Repeat the steps mentioned above to register a third headset.
• Lift the additional headset from the base and it will enter talk mode. All three
headsets are now in conference mode.
NOTE: The additional headset will only remain registered to the base for the duration of the
call. After the primary headset has ended the call, the unit will return to its normal state.
The IPN DECT headset also allows you to make a conference call between your normal
phone and a PC or MAC computer. To activate this option hold down the PC/USB switch for
four seconds. Both LEDs of the PC/USB and TEL buttons will light. If one of the buttons is
touched again this function will be switched o and the headset will return to the mode of
the button pressed.
*Your Leitner LH270 or LH275 headset cannot conference with other headset models.
10
12
3.8 Making a conference call
Your IPN DECT headset allows a second and third headset to be temporarily connected to
the base so that you can have a three way conference call.
• Setup the call using the primary headset unit.
• Once on the call, place the second IPN DECT headset unit on the base charger.
• After about one second, the headset‘Online Indicator’ LED of the new headset will
turn on and the base ‘Online Indicator’ LED will ash to indicate the headset is
registering with the base unit.
• Once the registering has completed, the base‘Online Indicator’ LED will stop ashing
and the additional headset LED will ash.
• Once the registration has completed, a conrmation sound will be heard on the
primary headset.
• Repeat the steps mentioned above to register a third headset.
• Lift the additional headset from the base and it will enter talk mode. All three
headsets are now in conference mode.
NOTE: The additional headset will only remain registered to the base for the duration of the
call. After the primary headset has ended the call, the unit will return to its normal state.
The IPN DECT headset also allows you to make a conference call between your normal
phone and a PC or MAC computer. To activate this option hold down the PC/USB switch for
four seconds. Both LEDs of the PC/USB and TEL buttons will light. If one of the buttons is
touched again this function will be switched o and the headset will return to the mode of
the button pressed.
Your Leitner LH270 or LH275 headset allows a second and third headset to be temporarily
connected to the base for training or conference calls.
• Set up the call using the primary headset.
• Once on the call, place the second headset on the base charger.*
3.12 Training mode and making a conference call
• After about one second, the headset’s Online Indicator will turn on and the base’s
Online Indicator will flash to indicate that the headset is registering with the base unit.
• Once the registering has completed, a confirmation sound will be heard on the
primary headset.
• Lift the additional headset from the base and it will enter talk mode.
• Repeat the steps above to register a third headset.
12
3.8 Making a conference call
Your IPN DECT headset allows a second and third headset to be temporarily connected to
the base so that you can have a three way conference call.
• Setup the call using the primary headset unit.
• Once on the call, place the second IPN DECT headset unit on the base charger.
• After about one second, the headset‘Online Indicator’ LED of the new headset will
turn on and the base ‘Online Indicator’ LED will ash to indicate the headset is
registering with the base unit.
• Once the registering has completed, the base‘Online Indicator’ LED will stop ashing
and the additional headset LED will ash.
• Once the registration has completed, a conrmation sound will be heard on the
primary headset.
• Repeat the steps mentioned above to register a third headset.
• Lift the additional headset from the base and it will enter talk mode. All three
headsets are now in conference mode.
NOTE: The additional headset will only remain registered to the base for the duration of the
call. After the primary headset has ended the call, the unit will return to its normal state.
The IPN DECT headset also allows you to make a conference call between your normal
phone and a PC or MAC computer. To activate this option hold down the PC/USB switch for
four seconds. Both LEDs of the PC/USB and TEL buttons will light. If one of the buttons is
touched again this function will be switched o and the headset will return to the mode of
the button pressed.
*Your Leitner LH270 or LH275 headset cannot conference with other headset models.
10
Mute off/on
While Mute is on
10 11
manual_270-275_v5.indd 10 3/20/2017 1:18:02 PM

11
3.6 Out of range and reconnection
You will hear a warning tone in the headset when you walk out of range of the base. The
headset will be disconnected from the base and the call will be automatically placed on
hold. If you move back inside the range of the base the headset will automatically
reconnect and the call will be active again.
NOTE: If you do not move back inside the base range within 5 minutes the call will be
disconnected.
3.7 Battery level indication
The four LEDs on the top of the headset base indicate the battery level of your headset
battery.
Indication Battery level
< 20%
One LED on 20%-40%
Two LEDs on 40%-60%
Three LEDs on 60%-80%
Four LEDs on 80%-100%
Manual W9xx.pdf 1 6/27/2016 11:47:56 AM
3.10
You will hear warning beeps in the headset when you walk out of range of the base. If the
headset disconnects due to being out of range, the call will not drop. The headset will
automatically reconnect when you are back in range and the call will be active again.
3.11
11
3.6 Out of range and reconnection
You will hear a warning tone in the headset when you walk out of range of the base. The
headset will be disconnected from the base and the call will be automatically placed on
hold. If you move back inside the range of the base the headset will automatically
reconnect and the call will be active again.
NOTE: If you do not move back inside the base range within 5 minutes the call will be
disconnected.
3.7 Battery level indication
The four LEDs on the top of the headset base indicate the battery level of your headset
battery.
Indication Battery level
< 20%
One LED on 20%-40%
Two LEDs on 40%-60%
Three LEDs on 60%-80%
Four LEDs on 80%-100%
Manual W9xx.pdf 1 6/27/2016 11:47:56 AM
9 10
13
3.9 Overview of audio signals
Action Audio indication
Low battery 2 rapid beeps (60 sec repeat)
Nearly out of range 2 beeps
Out of range 2 pitch tone
Back in range 4 rapid beeps
Receiver volume up/down 1 beep
Mute on 2 pitch tone (8 sec repeat)
Mute o 1 beep
Ringer (EH device) Multi tone (2 sec repeat)
3.10 Registering a new headset to the base
YoucanregisteranewprimaryheadsetunittoyourIPNW9xxbaseusingthefollowing
procedure:
• Pressandholdthe‘TEL’buttonontheheadsetbaseforvesecondstoenterthe
registration mode. The ‘TEL’LED will ash to indicate it is now in registration mode.
• Pressandholdthe‘mute’buttonontheheadsetforvesecondsfortheheadsetto
enter the registration mode.
• Theheadsetwillnowberegisteredtothebasewhichwilltakearound30seconds.
When the registration has completed, the base ‘TEL’LED will stop ashing.
3.11 Using the IPN W9xx for call recording
With the IPN W9xx it is possible to connect a normal telephone call to the USB port of your
computer. This feature can be used to record phone calls with voice recording software on
your PC.
You can register a new primary headset unit to your LH270 or LH275 base using the following
Using the LH280 for call recording
With the LH280 it is possible to connect a normal telephone call to the USB port of your
3.13
3.14
NOTE: The LH280 model cannot register to the LH270 or LH275 base.
• Press and hold the TEL button on the base for five seconds to make the base
enter registration mode. The TEL light will flash showing the base is in registration mode.
• Press and hold the mute button on the headset for five seconds to make the headset
enter the registration mode.
When the registration has completed, the base TEL light will stop flashing.
11 12
13
3.9 Overview of audio signals
Action Audio indication
Low battery 2 rapid beeps (60 sec repeat)
Nearly out of range 2 beeps
Out of range 2 pitch tone
Back in range 4 rapid beeps
Receiver volume up/down 1 beep
Mute on 2 pitch tone (8 sec repeat)
Mute o 1 beep
Ringer (EH device) Multi tone (2 sec repeat)
3.10 Registering a new headset to the base
YoucanregisteranewprimaryheadsetunittoyourIPNW9xxbaseusingthefollowing
procedure:
• Pressandholdthe‘TEL’buttonontheheadsetbaseforvesecondstoenterthe
registration mode. The ‘TEL’LED will ash to indicate it is now in registration mode.
• Pressandholdthe‘mute’buttonontheheadsetforvesecondsfortheheadsetto
enter the registration mode.
• Theheadsetwillnowberegisteredtothebasewhichwilltakearound30seconds.
When the registration has completed, the base ‘TEL’LED will stop ashing.
3.11 Using the IPN W9xx for call recording
With the IPN W9xx it is possible to connect a normal telephone call to the USB port of your
computer. This feature can be used to record phone calls with voice recording software on
your PC.
You can register a new primary headset unit to your LH270 or LH275 base using the following
Using the LH280 for call recording
With the LH280 it is possible to connect a normal telephone call to the USB port of your
3.13
3.14
NOTE: The LH280 model cannot register to the LH270 or LH275 base.
• Press and hold the TEL button on the base for five seconds to make the base
enter registration mode. The TEL light will flash showing the base is in registration mode.
• Press and hold the mute button on the headset for five seconds to make the headset
enter the registration mode.
When the registration has completed, the base TEL light will stop flashing.
11 12
12
3.8 Making a conference call
YourIPNDECTheadsetallowsasecondandthirdheadsettobetemporarilyconnectedto
the base so that you can have a three way conference call.
• Setupthecallusingtheprimaryheadsetunit.
• Onceonthecall,placethesecondIPNDECTheadsetunitonthebasecharger.
• Afteraboutonesecond,theheadset‘OnlineIndicator’LEDofthenewheadsetwill
turn on and the base ‘Online Indicator’ LED will ash to indicate the headset is
registering with the base unit.
• Oncetheregisteringhascompleted,thebase‘OnlineIndicator’LEDwillstopashing
and the additional headset LED will ash.
• Oncetheregistrationhascompleted,aconrmationsoundwillbeheardonthe
primary headset.
• Repeatthestepsmentionedabovetoregisterathirdheadset.
• Lifttheadditionalheadsetfromthebaseanditwillentertalkmode.Allthree
headsets are now in conference mode.
NOTE: The additional headset will only remain registered to the base for the duration of the
call. After the primary headset has ended the call, the unit will return to its normal state.
The IPN DECT headset also allows you to make a conference call between your normal
phone and a PC or MAC computer. To activate this option hold down the PC/USB switch for
four seconds. Both LEDs of the PC/USB and TEL buttons will light. If one of the buttons is
touched again this function will be switched o and the headset will return to the mode of
the button pressed.
Your Leitner LH270 or LH275 headset allows a second and third headset to be temporarily
connected to the base for training or conference calls.
• Set up the call using the primary headset.
• Once on the call, place the second headset on the base charger.*
3.12 Training mode and making a conference call
• After about one second, the headset’s Online Indicator will turn on and the base’s
Online Indicator will flash to indicate that the headset is registering with the base unit.
• Once the registering has completed, a confirmation sound will be heard on the
primary headset.
• Lift the additional headset from the base and it will enter talk mode.
• Repeat the steps above to register a third headset.
12
3.8 Making a conference call
YourIPNDECTheadsetallowsasecondandthirdheadsettobetemporarilyconnectedto
the base so that you can have a three way conference call.
• Setupthecallusingtheprimaryheadsetunit.
• Onceonthecall,placethesecondIPNDECTheadsetunitonthebasecharger.
• Afteraboutonesecond,theheadset‘OnlineIndicator’LEDofthenewheadsetwill
turn on and the base ‘Online Indicator’ LED will ash to indicate the headset is
registering with the base unit.
• Oncetheregisteringhascompleted,thebase‘OnlineIndicator’LEDwillstopashing
and the additional headset LED will ash.
• Oncetheregistrationhascompleted,aconrmationsoundwillbeheardonthe
primary headset.
• Repeatthestepsmentionedabovetoregisterathirdheadset.
• Lifttheadditionalheadsetfromthebaseanditwillentertalkmode.Allthree
headsets are now in conference mode.
NOTE: The additional headset will only remain registered to the base for the duration of the
call. After the primary headset has ended the call, the unit will return to its normal state.
The IPN DECT headset also allows you to make a conference call between your normal
phone and a PC or MAC computer. To activate this option hold down the PC/USB switch for
four seconds. Both LEDs of the PC/USB and TEL buttons will light. If one of the buttons is
touched again this function will be switched o and the headset will return to the mode of
the button pressed.
*Your Leitner LH270 or LH275 headset cannot conference with other headset models.
10
12
3.8 Making a conference call
YourIPNDECTheadsetallowsasecondandthirdheadsettobetemporarilyconnectedto
the base so that you can have a three way conference call.
• Setupthecallusingtheprimaryheadsetunit.
• Onceonthecall,placethesecondIPNDECTheadsetunitonthebasecharger.
• Afteraboutonesecond,theheadset‘OnlineIndicator’LEDofthenewheadsetwill
turn on and the base ‘Online Indicator’ LED will ash to indicate the headset is
registering with the base unit.
• Oncetheregisteringhascompleted,thebase‘OnlineIndicator’LEDwillstopashing
and the additional headset LED will ash.
• Oncetheregistrationhascompleted,aconrmationsoundwillbeheardonthe
primary headset.
• Repeatthestepsmentionedabovetoregisterathirdheadset.
• Lifttheadditionalheadsetfromthebaseanditwillentertalkmode.Allthree
headsets are now in conference mode.
NOTE: The additional headset will only remain registered to the base for the duration of the
call. After the primary headset has ended the call, the unit will return to its normal state.
The IPN DECT headset also allows you to make a conference call between your normal
phone and a PC or MAC computer. To activate this option hold down the PC/USB switch for
four seconds. Both LEDs of the PC/USB and TEL buttons will light. If one of the buttons is
touched again this function will be switched o and the headset will return to the mode of
the button pressed.
Your Leitner LH270 or LH275 headset allows a second and third headset to be temporarily
connected to the base for training or conference calls.
• Set up the call using the primary headset.
• Once on the call, place the second headset on the base charger.*
3.12 Training mode and making a conference call
• After about one second, the headset’s Online Indicator will turn on and the base’s
Online Indicator will flash to indicate that the headset is registering with the base unit.
• Once the registering has completed, a confirmation sound will be heard on the
primary headset.
• Lift the additional headset from the base and it will enter talk mode.
• Repeat the steps above to register a third headset.
12
3.8 Making a conference call
YourIPNDECTheadsetallowsasecondandthirdheadsettobetemporarilyconnectedto
the base so that you can have a three way conference call.
• Setupthecallusingtheprimaryheadsetunit.
• Onceonthecall,placethesecondIPNDECTheadsetunitonthebasecharger.
• Afteraboutonesecond,theheadset‘OnlineIndicator’LEDofthenewheadsetwill
turn on and the base ‘Online Indicator’ LED will ash to indicate the headset is
registering with the base unit.
• Oncetheregisteringhascompleted,thebase‘OnlineIndicator’LEDwillstopashing
and the additional headset LED will ash.
• Oncetheregistrationhascompleted,aconrmationsoundwillbeheardonthe
primary headset.
• Repeatthestepsmentionedabovetoregisterathirdheadset.
• Lifttheadditionalheadsetfromthebaseanditwillentertalkmode.Allthree
headsets are now in conference mode.
NOTE: The additional headset will only remain registered to the base for the duration of the
call. After the primary headset has ended the call, the unit will return to its normal state.
The IPN DECT headset also allows you to make a conference call between your normal
phone and a PC or MAC computer. To activate this option hold down the PC/USB switch for
four seconds. Both LEDs of the PC/USB and TEL buttons will light. If one of the buttons is
touched again this function will be switched o and the headset will return to the mode of
the button pressed.
*Your Leitner LH270 or LH275 headset cannot conference with other headset models.
10
3.11 Battery level indication
10 11
11
3.6 Out of range and reconnection
You will hear a warning tone in the headset when you walk out of range of the base. The
headset will be disconnected from the base and the call will be automatically placed on
hold. If you move back inside the range of the base the headset will automatically
reconnect and the call will be active again.
NOTE: If you do not move back inside the base range within 5 minutes the call will be
disconnected.
3.7 Battery level indication
The four LEDs on the top of the headset base indicate the battery level of your headset
battery.
Indication Battery level
< 20%
One LED on 20%-40%
Two LEDs on 40%-60%
Three LEDs on 60%-80%
Four LEDs on 80%-100%
Manual W9xx.pdf 1 6/27/2016 11:47:56 AM
3.10
You will hear warning beeps in the headset when you walk out of range of the base. If the
headset disconnects due to being out of range, the call will not drop. The headset will
automatically reconnect when you are back in range and the call will be active again.
3.11
11
3.6 Out of range and reconnection
You will hear a warning tone in the headset when you walk out of range of the base. The
headset will be disconnected from the base and the call will be automatically placed on
hold. If you move back inside the range of the base the headset will automatically
reconnect and the call will be active again.
NOTE: If you do not move back inside the base range within 5 minutes the call will be
disconnected.
3.7 Battery level indication
The four LEDs on the top of the headset base indicate the battery level of your headset
battery.
Indication Battery level
< 20%
One LED on 20%-40%
Two LEDs on 40%-60%
Three LEDs on 60%-80%
Four LEDs on 80%-100%
Manual W9xx.pdf 1 6/27/2016 11:47:56 AM
9 10
13
3.9 Overview of audio signals
Action Audio indication
Low battery 2 rapid beeps (60 sec repeat)
Nearly out of range 2 beeps
Out of range 2 pitch tone
Back in range 4 rapid beeps
Receiver volume up/down 1 beep
Mute on 2 pitch tone (8 sec repeat)
Mute o 1 beep
Ringer (EH device) Multi tone (2 sec repeat)
3.10 Registering a new headset to the base
YoucanregisteranewprimaryheadsetunittoyourIPNW9xxbaseusingthefollowing
procedure:
• Pressandholdthe‘TEL’buttonontheheadsetbaseforvesecondstoenterthe
registration mode. The ‘TEL’LED will ash to indicate it is now in registration mode.
• Pressandholdthe‘mute’buttonontheheadsetforvesecondsfortheheadsetto
enter the registration mode.
• Theheadsetwillnowberegisteredtothebasewhichwilltakearound30seconds.
When the registration has completed, the base ‘TEL’LED will stop ashing.
3.11 Using the IPN W9xx for call recording
With the IPN W9xx it is possible to connect a normal telephone call to the USB port of your
computer. This feature can be used to record phone calls with voice recording software on
your PC.
You can register a new primary headset unit to your LH270 or LH275 base using the following
Using the LH280 for call recording
With the LH280 it is possible to connect a normal telephone call to the USB port of your
3.13
3.14
NOTE: The LH280 model cannot register to the LH270 or LH275 base.
• Press and hold the TEL button on the base for five seconds to make the base
enter registration mode. The TEL light will flash showing the base is in registration mode.
• Press and hold the mute button on the headset for five seconds to make the headset
enter the registration mode.
When the registration has completed, the base TEL light will stop flashing.
11 12
13
3.9 Overview of audio signals
Action Audio indication
Low battery 2 rapid beeps (60 sec repeat)
Nearly out of range 2 beeps
Out of range 2 pitch tone
Back in range 4 rapid beeps
Receiver volume up/down 1 beep
Mute on 2 pitch tone (8 sec repeat)
Mute o 1 beep
Ringer (EH device) Multi tone (2 sec repeat)
3.10 Registering a new headset to the base
You can register a new primary headset unit to your IPN W9xx base using the following
procedure:
• Press and hold the ‘TEL’ button on the headset base for ve seconds to enter the
registration mode. The ‘TEL’LED will ash to indicate it is now in registration mode.
• Press and hold the ‘mute’ button on the headset for ve seconds for the headset to
enter the registration mode.
• The headset will now be registered to the base which will take around 30 seconds.
When the registration has completed, the base ‘TEL’LED will stop ashing.
3.11 Using the IPN W9xx for call recording
With the IPN W9xx it is possible to connect a normal telephone call to the USB port of your
computer. This feature can be used to record phone calls with voice recording software on
your PC.
You can register a new primary headset unit to your LH270 or LH275 base using the following
Using the LH280 for call recording
With the LH280 it is possible to connect a normal telephone call to the USB port of your
3.13
3.14
NOTE: The LH280 model cannot register to the LH270 or LH275 base.
• Press and hold the TEL button on the base for five seconds to make the base
enter registration mode. The TEL light will flash showing the base is in registration mode.
• Press and hold the mute button on the headset for five seconds to make the headset
enter the registration mode.
When the registration has completed, the base TEL light will stop flashing.
11 12
12
3.8 Making a conference call
Your IPN DECT headset allows a second and third headset to be temporarily connected to
the base so that you can have a three way conference call.
• Setup the call using the primary headset unit.
• Once on the call, place the second IPN DECT headset unit on the base charger.
• After about one second, the headset‘Online Indicator’ LED of the new headset will
turn on and the base ‘Online Indicator’ LED will ash to indicate the headset is
registering with the base unit.
• Once the registering has completed, the base‘Online Indicator’ LED will stop ashing
and the additional headset LED will ash.
• Once the registration has completed, a conrmation sound will be heard on the
primary headset.
• Repeat the steps mentioned above to register a third headset.
• Lift the additional headset from the base and it will enter talk mode. All three
headsets are now in conference mode.
NOTE: The additional headset will only remain registered to the base for the duration of the
call. After the primary headset has ended the call, the unit will return to its normal state.
The IPN DECT headset also allows you to make a conference call between your normal
phone and a PC or MAC computer. To activate this option hold down the PC/USB switch for
four seconds. Both LEDs of the PC/USB and TEL buttons will light. If one of the buttons is
touched again this function will be switched o and the headset will return to the mode of
the button pressed.
Your Leitner LH270 or LH275 headset allows a second and third headset to be temporarily
connected to the base for training or conference calls.
• Set up the call using the primary headset.
• Once on the call, place the second headset on the base charger.*
3.12 Training mode and making a conference call
• After about one second, the headset’s Online Indicator will turn on and the base’s
Online Indicator will flash to indicate that the headset is registering with the base unit.
• Once the registering has completed, a confirmation sound will be heard on the
primary headset.
• Lift the additional headset from the base and it will enter talk mode.
• Repeat the steps above to register a third headset.
12
3.8 Making a conference call
Your IPN DECT headset allows a second and third headset to be temporarily connected to
the base so that you can have a three way conference call.
• Setup the call using the primary headset unit.
• Once on the call, place the second IPN DECT headset unit on the base charger.
• After about one second, the headset‘Online Indicator’ LED of the new headset will
turn on and the base ‘Online Indicator’ LED will ash to indicate the headset is
registering with the base unit.
• Once the registering has completed, the base‘Online Indicator’ LED will stop ashing
and the additional headset LED will ash.
• Once the registration has completed, a conrmation sound will be heard on the
primary headset.
• Repeat the steps mentioned above to register a third headset.
• Lift the additional headset from the base and it will enter talk mode. All three
headsets are now in conference mode.
NOTE: The additional headset will only remain registered to the base for the duration of the
call. After the primary headset has ended the call, the unit will return to its normal state.
The IPN DECT headset also allows you to make a conference call between your normal
phone and a PC or MAC computer. To activate this option hold down the PC/USB switch for
four seconds. Both LEDs of the PC/USB and TEL buttons will light. If one of the buttons is
touched again this function will be switched o and the headset will return to the mode of
the button pressed.
*Your Leitner LH270 or LH275 headset cannot conference with other headset models.
10
12
3.8 Making a conference call
Your IPN DECT headset allows a second and third headset to be temporarily connected to
the base so that you can have a three way conference call.
• Setup the call using the primary headset unit.
• Once on the call, place the second IPN DECT headset unit on the base charger.
• After about one second, the headset‘Online Indicator’ LED of the new headset will
turn on and the base ‘Online Indicator’ LED will ash to indicate the headset is
registering with the base unit.
• Once the registering has completed, the base‘Online Indicator’ LED will stop ashing
and the additional headset LED will ash.
• Once the registration has completed, a conrmation sound will be heard on the
primary headset.
• Repeat the steps mentioned above to register a third headset.
• Lift the additional headset from the base and it will enter talk mode. All three
headsets are now in conference mode.
NOTE: The additional headset will only remain registered to the base for the duration of the
call. After the primary headset has ended the call, the unit will return to its normal state.
The IPN DECT headset also allows you to make a conference call between your normal
phone and a PC or MAC computer. To activate this option hold down the PC/USB switch for
four seconds. Both LEDs of the PC/USB and TEL buttons will light. If one of the buttons is
touched again this function will be switched o and the headset will return to the mode of
the button pressed.
Your Leitner LH270 or LH275 headset allows a second and third headset to be temporarily
connected to the base for training or conference calls.
• Set up the call using the primary headset.
• Once on the call, place the second headset on the base charger.*
3.12 Training mode and making a conference call
• After about one second, the headset’s Online Indicator will turn on and the base’s
Online Indicator will flash to indicate that the headset is registering with the base unit.
• Once the registering has completed, a confirmation sound will be heard on the
primary headset.
• Lift the additional headset from the base and it will enter talk mode.
• Repeat the steps above to register a third headset.
12
3.8 Making a conference call
Your IPN DECT headset allows a second and third headset to be temporarily connected to
the base so that you can have a three way conference call.
• Setup the call using the primary headset unit.
• Once on the call, place the second IPN DECT headset unit on the base charger.
• After about one second, the headset‘Online Indicator’ LED of the new headset will
turn on and the base ‘Online Indicator’ LED will ash to indicate the headset is
registering with the base unit.
• Once the registering has completed, the base‘Online Indicator’ LED will stop ashing
and the additional headset LED will ash.
• Once the registration has completed, a conrmation sound will be heard on the
primary headset.
• Repeat the steps mentioned above to register a third headset.
• Lift the additional headset from the base and it will enter talk mode. All three
headsets are now in conference mode.
NOTE: The additional headset will only remain registered to the base for the duration of the
call. After the primary headset has ended the call, the unit will return to its normal state.
The IPN DECT headset also allows you to make a conference call between your normal
phone and a PC or MAC computer. To activate this option hold down the PC/USB switch for
four seconds. Both LEDs of the PC/USB and TEL buttons will light. If one of the buttons is
touched again this function will be switched o and the headset will return to the mode of
the button pressed.
*Your Leitner LH270 or LH275 headset cannot conference with other headset models.
10
Mute off/on
While Mute is on
10
11
manual_270-275_v5.indd 11 3/20/2017 1:18:03 PM

3.15 Using with Skype for Business
When your LH270 or LH275 is connected to your computer, the buttons on your headset
can be used to answer and end your Skype for Business calls. If you answer/end a call using
the buttons within the software, the headset will also turn on/off automatically.
This feature is automatically disabled by default. If you want to turn this feature
off, simply hold the Computer button on the base while holding the “–”
microphone volume button under the base for 3 seconds. You’ll know you did this
correctly by seeing the Computer button light on your base flash quickly 6 times.
If you want to turn this feature back on, follow the same steps except press the “ +”
microphone volume button under the base instead of the “ –” button.
3.16 Controlling the Automatic Answer feature for calls
When you take your LH270 or LH275 off of the base, your call will not be answered by
default. If you’d like to turn this feature on, simply hold the “+” and “–”buttons on your
headset together for 3 seconds. You’ll know this feature is activated when the LED light
slowly flashes.
To turn this feature back off, follow the same steps again. This time the LED light will quickly
flash, letting you know this feature has been turned back off.
14
4. Troubleshooting
Q. I have connected my headset base to my telephone terminal but the headset is not
working.
A. Make sure that the battery has been properly charged.
Q. The headset is working but I cannot hear telephone calls correctly.
A. Ensure that you have the correct wiring setting by adjusting the switch on the bottom
of the headset base.
Q. When the headset’s ON/OFF button is pressed, the handset lifter lifts the handset but
I cannot hear the call on the headset.
A. Ensure that the headset base is connected to the telephone’s handset port and not
the headset port (if the telephone has one).
Health and safety instructions
Please read the following safety and operational instructions before using your
IPN Headsets product. Please keep these instructions for your reference. When using this
product, these basic safety precautions and warnings should be followed to reduce the risk
of re, electric shock, injury to persons and damage to property.
General
Operating, charging and storage temperature is 0°C to 40°C (32°F to 104°F).
Warnings
• CHILDREN. Never allow children to play with the product – small parts may be a
choking hazard.
• Plug the AC adaptor into the outlet nearest the equipment that is easily accessible.
• To reduce the risk of electric shock, explosion or re, use only the supplied charger or
Class 2 AC adaptor to charge the headset. Ensure that the voltage rating
(e.g. 120V, 60 Hz) corresponds to the power supply you intend to use.
•For safety reasons always tie back long hair that might get caught in the headset.
14
4. Troubleshooting
Q. I have connected my headset base to my telephone terminal but the headset is not
working.
A. Make sure that the battery has been properly charged.
Q. The headset is working but I cannot hear telephone calls correctly.
A. Ensure that you have the correct wiring setting by adjusting the switch on the bottom
of the headset base.
Q. When the headset’s ON/OFF button is pressed, the handset lifter lifts the handset but
I cannot hear the call on the headset.
A. Ensure that the headset base is connected to the telephone’s handset port and not
the headset port (if the telephone has one).
Health and safety instructions
Please read the following safety and operational instructions before using your
IPN Headsets product. Please keep these instructions for your reference. When using this
product, these basic safety precautions and warnings should be followed to reduce the risk
of re, electric shock, injury to persons and damage to property.
General
Operating, charging and storage temperature is 0°C to 40°C (32°F to 104°F).
Warnings
• CHILDREN. Never allow children to play with the product – small parts may be a
choking hazard.
• Plug the AC adaptor into the outlet nearest the equipment that is easily accessible.
• To reduce the risk of electric shock, explosion or re, use only the supplied charger or
Class 2 AC adaptor to charge the headset. Ensure that the voltage rating
(e.g. 120V, 60 Hz) corresponds to the power supply you intend to use.
•For safety reasons always tie back long hair that might get caught in the headset.
14
4. Troubleshooting
Q. I have connected my headset base to my telephone terminal but the headset is not
working.
A. Make sure that the battery has been properly charged.
Q. The headset is working but I cannot hear telephone calls correctly.
A. Ensure that you have the correct wiring setting by adjusting the switch on the bottom
of the headset base.
Q. When the headset’s ON/OFF button is pressed, the handset lifter lifts the handset but
I cannot hear the call on the headset.
A. Ensure that the headset base is connected to the telephone’s handset port and not
the headset port (if the telephone has one).
Health and safety instructions
Please read the following safety and operational instructions before using your
IPN Headsets product. Please keep these instructions for your reference. When using this
product, these basic safety precautions and warnings should be followed to reduce the risk
of re, electric shock, injury to persons and damage to property.
General
Operating, charging and storage temperature is 0°C to 40°C (32°F to 104°F).
Warnings
• CHILDREN. Never allow children to play with the product – small parts may be a
choking hazard.
• Plug the AC adaptor into the outlet nearest the equipment that is easily accessible.
• To reduce the risk of electric shock, explosion or re, use only the supplied charger or
Class 2 AC adaptor to charge the headset. Ensure that the voltage rating
(e.g. 120V, 60 Hz) corresponds to the power supply you intend to use.
•For safety reasons always tie back long hair that might get caught in the headset.
14
4. Troubleshooting
Q. I have connected my headset base to my telephone terminal but the headset is not
working.
A. Make sure that the battery has been properly charged.
Q. The headset is working but I cannot hear telephone calls correctly.
A. Ensure that you have the correct wiring setting by adjusting the switch on the bottom
of the headset base.
Q. When the headset’s ON/OFF button is pressed, the handset lifter lifts the handset but
I cannot hear the call on the headset.
A. Ensure that the headset base is connected to the telephone’s handset port and not
the headset port (if the telephone has one).
Health and safety instructions
Please read the following safety and operational instructions before using your
IPN Headsets product. Please keep these instructions for your reference. When using this
product, these basic safety precautions and warnings should be followed to reduce the risk
of re, electric shock, injury to persons and damage to property.
General
Operating, charging and storage temperature is 0°C to 40°C (32°F to 104°F).
Warnings
• CHILDREN. Never allow children to play with the product – small parts may be a
choking hazard.
• Plug the AC adaptor into the outlet nearest the equipment that is easily accessible.
• To reduce the risk of electric shock, explosion or re, use only the supplied charger or
Class 2 AC adaptor to charge the headset. Ensure that the voltage rating
(e.g. 120V, 60 Hz) corresponds to the power supply you intend to use.
•For safety reasons always tie back long hair that might get caught in the headset.
Leitner LH270 or LH275. Please keep these instructions for your reference. When using this
Troubleshooting (For live support call 1-800-432-3738, Mon-Fri 6:00–4:30 Pacific Time)
5. Health and safety instructions
Ensure that you have the correct compatibility setting by adjusting the switch on the
bottom of your headset base. The most common compatibility is 1. Cisco telephones
should be set to 4 when using the headset jack.
Q. I have connected my headset base to my phone but the headset is not working.
12
12 13
3.15 Using with Skype for Business
When your LH270 or LH275 is connected to your computer, the buttons on your headset
can be used to answer and end your Skype for Business calls. If you answer/end a call using
the buttons within the software, the headset will also turn on/off automatically.
This feature is automatically disabled by default. If you want to turn this feature
off, simply hold the Computer button on the base while holding the “–”
microphone volume button under the base for 3 seconds. You’ll know you did this
correctly by seeing the Computer button light on your base flash quickly 6 times.
If you want to turn this feature back on, follow the same steps except press the “ +”
microphone volume button under the base instead of the “ –” button.
3.16 Controlling the Automatic Answer feature for calls
When you take your LH270 or LH275 off of the base, your call will not be answered by
default. If you’d like to turn this feature on, simply hold the “+” and “–”buttons on your
headset together for 3 seconds. You’ll know this feature is activated when the LED light
slowly flashes.
To turn this feature back off, follow the same steps again. This time the LED light will quickly
flash, letting you know this feature has been turned back off.
14
4. Troubleshooting
Q. I have connected my headset base to my telephone terminal but the headset is not
working.
A. Make sure that the battery has been properly charged.
Q. The headset is working but I cannot hear telephone calls correctly.
A. Ensure that you have the correct wiring setting by adjusting the switch on the bottom
of the headset base.
Q. When the headset’s ON/OFF button is pressed, the handset lifter lifts the handset but
I cannot hear the call on the headset.
A. Ensure that the headset base is connected to the telephone’s handset port and not
the headset port (if the telephone has one).
Health and safety instructions
Please read the following safety and operational instructions before using your
IPN Headsets product. Please keep these instructions for your reference. When using this
product, these basic safety precautions and warnings should be followed to reduce the risk
of re, electric shock, injury to persons and damage to property.
General
Operating, charging and storage temperature is 0°C to 40°C (32°F to 104°F).
Warnings
• CHILDREN. Never allow children to play with the product – small parts may be a
choking hazard.
• Plug the AC adaptor into the outlet nearest the equipment that is easily accessible.
• To reduce the risk of electric shock, explosion or re, use only the supplied charger or
Class 2 AC adaptor to charge the headset. Ensure that the voltage rating
(e.g. 120V, 60 Hz) corresponds to the power supply you intend to use.
•For safety reasons always tie back long hair that might get caught in the headset.
14
4. Troubleshooting
Q. I have connected my headset base to my telephone terminal but the headset is not
working.
A. Make sure that the battery has been properly charged.
Q. The headset is working but I cannot hear telephone calls correctly.
A. Ensure that you have the correct wiring setting by adjusting the switch on the bottom
of the headset base.
Q. When the headset’s ON/OFF button is pressed, the handset lifter lifts the handset but
I cannot hear the call on the headset.
A. Ensure that the headset base is connected to the telephone’s handset port and not
the headset port (if the telephone has one).
Health and safety instructions
Please read the following safety and operational instructions before using your
IPN Headsets product. Please keep these instructions for your reference. When using this
product, these basic safety precautions and warnings should be followed to reduce the risk
of re, electric shock, injury to persons and damage to property.
General
Operating, charging and storage temperature is 0°C to 40°C (32°F to 104°F).
Warnings
• CHILDREN. Never allow children to play with the product – small parts may be a
choking hazard.
• Plug the AC adaptor into the outlet nearest the equipment that is easily accessible.
• To reduce the risk of electric shock, explosion or re, use only the supplied charger or
Class 2 AC adaptor to charge the headset. Ensure that the voltage rating
(e.g. 120V, 60 Hz) corresponds to the power supply you intend to use.
•For safety reasons always tie back long hair that might get caught in the headset.
14
4. Troubleshooting
Q. I have connected my headset base to my telephone terminal but the headset is not
working.
A. Make sure that the battery has been properly charged.
Q. The headset is working but I cannot hear telephone calls correctly.
A. Ensure that you have the correct wiring setting by adjusting the switch on the bottom
of the headset base.
Q. When the headset’s ON/OFF button is pressed, the handset lifter lifts the handset but
I cannot hear the call on the headset.
A. Ensure that the headset base is connected to the telephone’s handset port and not
the headset port (if the telephone has one).
Health and safety instructions
Please read the following safety and operational instructions before using your
IPN Headsets product. Please keep these instructions for your reference. When using this
product, these basic safety precautions and warnings should be followed to reduce the risk
of re, electric shock, injury to persons and damage to property.
General
Operating, charging and storage temperature is 0°C to 40°C (32°F to 104°F).
Warnings
• CHILDREN. Never allow children to play with the product – small parts may be a
choking hazard.
• Plug the AC adaptor into the outlet nearest the equipment that is easily accessible.
• To reduce the risk of electric shock, explosion or re, use only the supplied charger or
Class 2 AC adaptor to charge the headset. Ensure that the voltage rating
(e.g. 120V, 60 Hz) corresponds to the power supply you intend to use.
•For safety reasons always tie back long hair that might get caught in the headset.
14
4. Troubleshooting
Q. I have connected my headset base to my telephone terminal but the headset is not
working.
A. Make sure that the battery has been properly charged.
Q. The headset is working but I cannot hear telephone calls correctly.
A. Ensure that you have the correct wiring setting by adjusting the switch on the bottom
of the headset base.
Q. When the headset’s ON/OFF button is pressed, the handset lifter lifts the handset but
I cannot hear the call on the headset.
A. Ensure that the headset base is connected to the telephone’s handset port and not
the headset port (if the telephone has one).
Health and safety instructions
Please read the following safety and operational instructions before using your
IPN Headsets product. Please keep these instructions for your reference. When using this
product, these basic safety precautions and warnings should be followed to reduce the risk
of re, electric shock, injury to persons and damage to property.
General
Operating, charging and storage temperature is 0°C to 40°C (32°F to 104°F).
Warnings
• CHILDREN. Never allow children to play with the product – small parts may be a
choking hazard.
• Plug the AC adaptor into the outlet nearest the equipment that is easily accessible.
• To reduce the risk of electric shock, explosion or re, use only the supplied charger or
Class 2 AC adaptor to charge the headset. Ensure that the voltage rating
(e.g. 120V, 60 Hz) corresponds to the power supply you intend to use.
•For safety reasons always tie back long hair that might get caught in the headset.
Leitner LH270 or LH275. Please keep these instructions for your reference. When using this
Troubleshooting (For live support call 1-800-432-3738, Mon-Fri 6:00–4:30 Pacific Time)
5. Health and safety instructions
Ensure that you have the correct compatibility setting by adjusting the switch on the
bottom of your headset base. The most common compatibility is 1. Cisco telephones
should be set to 4 when using the headset jack.
Q. I have connected my headset base to my phone but the headset is not working.
12
12
13
14
4. Troubleshooting
Q. I have connected my headset base to my telephone terminal but the headset is not
working.
A. Make sure that the battery has been properly charged.
Q. The headset is working but I cannot hear telephone calls correctly.
A. Ensure that you have the correct wiring setting by adjusting the switch on the bottom
of the headset base.
Q. When the headset’s ON/OFF button is pressed, the handset lifter lifts the handset but
I cannot hear the call on the headset.
A. Ensure that the headset base is connected to the telephone’s handset port and not
the headset port (if the telephone has one).
Health and safety instructions
Please read the following safety and operational instructions before using your
IPN Headsets product. Please keep these instructions for your reference. When using this
product, these basic safety precautions and warnings should be followed to reduce the risk
of re, electric shock, injury to persons and damage to property.
General
Operating, charging and storage temperature is 0°C to 40°C (32°F to 104°F).
Warnings
• CHILDREN.Neverallowchildrentoplaywiththeproduct–smallpartsmaybea
choking hazard.
• PlugtheACadaptorintotheoutletnearesttheequipmentthatiseasilyaccessible.
• Toreducetheriskofelectricshock,explosionorre,useonlythesuppliedchargeror
Class 2 AC adaptor to charge the headset. Ensure that the voltage rating
(e.g. 120V, 60 Hz) corresponds to the power supply you intend to use.
•For safety reasons always tie back long hair that might get caught in the headset.
14
4. Troubleshooting
Q. I have connected my headset base to my telephone terminal but the headset is not
working.
A. Make sure that the battery has been properly charged.
Q. The headset is working but I cannot hear telephone calls correctly.
A. Ensure that you have the correct wiring setting by adjusting the switch on the bottom
of the headset base.
Q. When the headset’s ON/OFF button is pressed, the handset lifter lifts the handset but
I cannot hear the call on the headset.
A. Ensure that the headset base is connected to the telephone’s handset port and not
the headset port (if the telephone has one).
Health and safety instructions
Please read the following safety and operational instructions before using your
IPN Headsets product. Please keep these instructions for your reference. When using this
product, these basic safety precautions and warnings should be followed to reduce the risk
of re, electric shock, injury to persons and damage to property.
General
Operating, charging and storage temperature is 0°C to 40°C (32°F to 104°F).
Warnings
• CHILDREN.Neverallowchildrentoplaywiththeproduct–smallpartsmaybea
choking hazard.
• PlugtheACadaptorintotheoutletnearesttheequipmentthatiseasilyaccessible.
• Toreducetheriskofelectricshock,explosionorre,useonlythesuppliedchargeror
Class 2 AC adaptor to charge the headset. Ensure that the voltage rating
(e.g. 120V, 60 Hz) corresponds to the power supply you intend to use.
•For safety reasons always tie back long hair that might get caught in the headset.
14
4. Troubleshooting
Q. I have connected my headset base to my telephone terminal but the headset is not
working.
A. Make sure that the battery has been properly charged.
Q. The headset is working but I cannot hear telephone calls correctly.
A. Ensure that you have the correct wiring setting by adjusting the switch on the bottom
of the headset base.
Q. When the headset’s ON/OFF button is pressed, the handset lifter lifts the handset but
I cannot hear the call on the headset.
A. Ensure that the headset base is connected to the telephone’s handset port and not
the headset port (if the telephone has one).
Health and safety instructions
Please read the following safety and operational instructions before using your
IPN Headsets product. Please keep these instructions for your reference. When using this
product, these basic safety precautions and warnings should be followed to reduce the risk
of re, electric shock, injury to persons and damage to property.
General
Operating, charging and storage temperature is 0°C to 40°C (32°F to 104°F).
Warnings
• CHILDREN.Neverallowchildrentoplaywiththeproduct–smallpartsmaybea
choking hazard.
• PlugtheACadaptorintotheoutletnearesttheequipmentthatiseasilyaccessible.
• Toreducetheriskofelectricshock,explosionorre,useonlythesuppliedchargeror
Class 2 AC adaptor to charge the headset. Ensure that the voltage rating
(e.g. 120V, 60 Hz) corresponds to the power supply you intend to use.
•For safety reasons always tie back long hair that might get caught in the headset.
14
4. Troubleshooting
Q. I have connected my headset base to my telephone terminal but the headset is not
working.
A. Make sure that the battery has been properly charged.
Q. The headset is working but I cannot hear telephone calls correctly.
A. Ensure that you have the correct wiring setting by adjusting the switch on the bottom
of the headset base.
Q. When the headset’s ON/OFF button is pressed, the handset lifter lifts the handset but
I cannot hear the call on the headset.
A. Ensure that the headset base is connected to the telephone’s handset port and not
the headset port (if the telephone has one).
Health and safety instructions
Please read the following safety and operational instructions before using your
IPN Headsets product. Please keep these instructions for your reference. When using this
product, these basic safety precautions and warnings should be followed to reduce the risk
of re, electric shock, injury to persons and damage to property.
General
Operating, charging and storage temperature is 0°C to 40°C (32°F to 104°F).
Warnings
• CHILDREN.Neverallowchildrentoplaywiththeproduct–smallpartsmaybea
choking hazard.
• PlugtheACadaptorintotheoutletnearesttheequipmentthatiseasilyaccessible.
• Toreducetheriskofelectricshock,explosionorre,useonlythesuppliedchargeror
Class 2 AC adaptor to charge the headset. Ensure that the voltage rating
(e.g. 120V, 60 Hz) corresponds to the power supply you intend to use.
•For safety reasons always tie back long hair that might get caught in the headset.
Leitner LH270 or LH275. Please keep these instructions for your reference. When using this
Troubleshooting (For live support call 1-800-432-3738, Mon-Fri 6:00–4:30 Pacific Time)
5. Health and safety instructions
Ensure that you have the correct compatibility setting by adjusting the switch on the
bottom of your headset base. The most common compatibility is 1. Cisco telephones
should be set to 4 when using the headset jack.
Q. I have connected my headset base to my phone but the headset is not working.
12
12 13
3.15 Controlling the Automatic Answer feature for calls
manual_270-275_v5.indd 12 3/20/2017 1:18:03 PM

3.15 Using with Skype for Business
When your LH270 or LH275 is connected to your computer, the buttons on your headset
can be used to answer and end your Skype for Business calls. If you answer/end a call using
the buttons within the software, the headset will also turn on/off automatically.
This feature is automatically disabled by default. If you want to turn this feature
off, simply hold the Computer button on the base while holding the “–”
microphone volume button under the base for 3 seconds. You’ll know you did this
correctly by seeing the Computer button light on your base flash quickly 6 times.
If you want to turn this feature back on, follow the same steps except press the “ +”
microphone volume button under the base instead of the “ –” button.
3.16 Controlling the Automatic Answer feature for calls
When you take your LH270 or LH275 off of the base, your call will not be answered by
default. If you’d like to turn this feature on, simply hold the “+” and “–”buttons on your
headset together for 3 seconds. You’ll know this feature is activated when the LED light
slowly flashes.
To turn this feature back off, follow the same steps again. This time the LED light will quickly
flash, letting you know this feature has been turned back off.
14
4. Troubleshooting
Q. I have connected my headset base to my telephone terminal but the headset is not
working.
A. Make sure that the battery has been properly charged.
Q. The headset is working but I cannot hear telephone calls correctly.
A. Ensure that you have the correct wiring setting by adjusting the switch on the bottom
of the headset base.
Q. When the headset’s ON/OFF button is pressed, the handset lifter lifts the handset but
I cannot hear the call on the headset.
A. Ensure that the headset base is connected to the telephone’s handset port and not
the headset port (if the telephone has one).
Health and safety instructions
Please read the following safety and operational instructions before using your
IPN Headsets product. Please keep these instructions for your reference. When using this
product, these basic safety precautions and warnings should be followed to reduce the risk
of re, electric shock, injury to persons and damage to property.
General
Operating, charging and storage temperature is 0°C to 40°C (32°F to 104°F).
Warnings
• CHILDREN. Never allow children to play with the product – small parts may be a
choking hazard.
• Plug the AC adaptor into the outlet nearest the equipment that is easily accessible.
• To reduce the risk of electric shock, explosion or re, use only the supplied charger or
Class 2 AC adaptor to charge the headset. Ensure that the voltage rating
(e.g. 120V, 60 Hz) corresponds to the power supply you intend to use.
•For safety reasons always tie back long hair that might get caught in the headset.
14
4. Troubleshooting
Q. I have connected my headset base to my telephone terminal but the headset is not
working.
A. Make sure that the battery has been properly charged.
Q. The headset is working but I cannot hear telephone calls correctly.
A. Ensure that you have the correct wiring setting by adjusting the switch on the bottom
of the headset base.
Q. When the headset’s ON/OFF button is pressed, the handset lifter lifts the handset but
I cannot hear the call on the headset.
A. Ensure that the headset base is connected to the telephone’s handset port and not
the headset port (if the telephone has one).
Health and safety instructions
Please read the following safety and operational instructions before using your
IPN Headsets product. Please keep these instructions for your reference. When using this
product, these basic safety precautions and warnings should be followed to reduce the risk
of re, electric shock, injury to persons and damage to property.
General
Operating, charging and storage temperature is 0°C to 40°C (32°F to 104°F).
Warnings
• CHILDREN. Never allow children to play with the product – small parts may be a
choking hazard.
• Plug the AC adaptor into the outlet nearest the equipment that is easily accessible.
• To reduce the risk of electric shock, explosion or re, use only the supplied charger or
Class 2 AC adaptor to charge the headset. Ensure that the voltage rating
(e.g. 120V, 60 Hz) corresponds to the power supply you intend to use.
•For safety reasons always tie back long hair that might get caught in the headset.
14
4. Troubleshooting
Q. I have connected my headset base to my telephone terminal but the headset is not
working.
A. Make sure that the battery has been properly charged.
Q. The headset is working but I cannot hear telephone calls correctly.
A. Ensure that you have the correct wiring setting by adjusting the switch on the bottom
of the headset base.
Q. When the headset’s ON/OFF button is pressed, the handset lifter lifts the handset but
I cannot hear the call on the headset.
A. Ensure that the headset base is connected to the telephone’s handset port and not
the headset port (if the telephone has one).
Health and safety instructions
Please read the following safety and operational instructions before using your
IPN Headsets product. Please keep these instructions for your reference. When using this
product, these basic safety precautions and warnings should be followed to reduce the risk
of re, electric shock, injury to persons and damage to property.
General
Operating, charging and storage temperature is 0°C to 40°C (32°F to 104°F).
Warnings
• CHILDREN. Never allow children to play with the product – small parts may be a
choking hazard.
• Plug the AC adaptor into the outlet nearest the equipment that is easily accessible.
• To reduce the risk of electric shock, explosion or re, use only the supplied charger or
Class 2 AC adaptor to charge the headset. Ensure that the voltage rating
(e.g. 120V, 60 Hz) corresponds to the power supply you intend to use.
•For safety reasons always tie back long hair that might get caught in the headset.
14
4. Troubleshooting
Q. I have connected my headset base to my telephone terminal but the headset is not
working.
A. Make sure that the battery has been properly charged.
Q. The headset is working but I cannot hear telephone calls correctly.
A. Ensure that you have the correct wiring setting by adjusting the switch on the bottom
of the headset base.
Q. When the headset’s ON/OFF button is pressed, the handset lifter lifts the handset but
I cannot hear the call on the headset.
A. Ensure that the headset base is connected to the telephone’s handset port and not
the headset port (if the telephone has one).
Health and safety instructions
Please read the following safety and operational instructions before using your
IPN Headsets product. Please keep these instructions for your reference. When using this
product, these basic safety precautions and warnings should be followed to reduce the risk
of re, electric shock, injury to persons and damage to property.
General
Operating, charging and storage temperature is 0°C to 40°C (32°F to 104°F).
Warnings
• CHILDREN. Never allow children to play with the product – small parts may be a
choking hazard.
• Plug the AC adaptor into the outlet nearest the equipment that is easily accessible.
• To reduce the risk of electric shock, explosion or re, use only the supplied charger or
Class 2 AC adaptor to charge the headset. Ensure that the voltage rating
(e.g. 120V, 60 Hz) corresponds to the power supply you intend to use.
•For safety reasons always tie back long hair that might get caught in the headset.
Leitner LH270 or LH275. Please keep these instructions for your reference. When using this
Troubleshooting (For live support call 1-800-432-3738, Mon-Fri 6:00–4:30 Pacific Time)
5. Health and safety instructions
Ensure that you have the correct compatibility setting by adjusting the switch on the
bottom of your headset base. The most common compatibility is 1. Cisco telephones
should be set to 4 when using the headset jack.
Q. I have connected my headset base to my phone but the headset is not working.
12
12 13
3.15 Using with Skype for Business
When your LH270 or LH275 is connected to your computer, the buttons on your headset
can be used to answer and end your Skype for Business calls. If you answer/end a call using
the buttons within the software, the headset will also turn on/off automatically.
This feature is automatically disabled by default. If you want to turn this feature
off, simply hold the Computer button on the base while holding the “–”
microphone volume button under the base for 3 seconds. You’ll know you did this
correctly by seeing the Computer button light on your base flash quickly 6 times.
If you want to turn this feature back on, follow the same steps except press the “ +”
microphone volume button under the base instead of the “ –” button.
3.16 Controlling the Automatic Answer feature for calls
When you take your LH270 or LH275 off of the base, your call will not be answered by
default. If you’d like to turn this feature on, simply hold the “+” and “–”buttons on your
headset together for 3 seconds. You’ll know this feature is activated when the LED light
slowly flashes.
To turn this feature back off, follow the same steps again. This time the LED light will quickly
flash, letting you know this feature has been turned back off.
14
4. Troubleshooting
Q. I have connected my headset base to my telephone terminal but the headset is not
working.
A. Make sure that the battery has been properly charged.
Q. The headset is working but I cannot hear telephone calls correctly.
A. Ensure that you have the correct wiring setting by adjusting the switch on the bottom
of the headset base.
Q. When the headset’s ON/OFF button is pressed, the handset lifter lifts the handset but
I cannot hear the call on the headset.
A. Ensure that the headset base is connected to the telephone’s handset port and not
the headset port (if the telephone has one).
Health and safety instructions
Please read the following safety and operational instructions before using your
IPN Headsets product. Please keep these instructions for your reference. When using this
product, these basic safety precautions and warnings should be followed to reduce the risk
of re, electric shock, injury to persons and damage to property.
General
Operating, charging and storage temperature is 0°C to 40°C (32°F to 104°F).
Warnings
• CHILDREN. Never allow children to play with the product – small parts may be a
choking hazard.
• Plug the AC adaptor into the outlet nearest the equipment that is easily accessible.
• To reduce the risk of electric shock, explosion or re, use only the supplied charger or
Class 2 AC adaptor to charge the headset. Ensure that the voltage rating
(e.g. 120V, 60 Hz) corresponds to the power supply you intend to use.
•For safety reasons always tie back long hair that might get caught in the headset.
14
4. Troubleshooting
Q. I have connected my headset base to my telephone terminal but the headset is not
working.
A. Make sure that the battery has been properly charged.
Q. The headset is working but I cannot hear telephone calls correctly.
A. Ensure that you have the correct wiring setting by adjusting the switch on the bottom
of the headset base.
Q. When the headset’s ON/OFF button is pressed, the handset lifter lifts the handset but
I cannot hear the call on the headset.
A. Ensure that the headset base is connected to the telephone’s handset port and not
the headset port (if the telephone has one).
Health and safety instructions
Please read the following safety and operational instructions before using your
IPN Headsets product. Please keep these instructions for your reference. When using this
product, these basic safety precautions and warnings should be followed to reduce the risk
of re, electric shock, injury to persons and damage to property.
General
Operating, charging and storage temperature is 0°C to 40°C (32°F to 104°F).
Warnings
• CHILDREN. Never allow children to play with the product – small parts may be a
choking hazard.
• Plug the AC adaptor into the outlet nearest the equipment that is easily accessible.
• To reduce the risk of electric shock, explosion or re, use only the supplied charger or
Class 2 AC adaptor to charge the headset. Ensure that the voltage rating
(e.g. 120V, 60 Hz) corresponds to the power supply you intend to use.
•For safety reasons always tie back long hair that might get caught in the headset.
14
4. Troubleshooting
Q. I have connected my headset base to my telephone terminal but the headset is not
working.
A. Make sure that the battery has been properly charged.
Q. The headset is working but I cannot hear telephone calls correctly.
A. Ensure that you have the correct wiring setting by adjusting the switch on the bottom
of the headset base.
Q. When the headset’s ON/OFF button is pressed, the handset lifter lifts the handset but
I cannot hear the call on the headset.
A. Ensure that the headset base is connected to the telephone’s handset port and not
the headset port (if the telephone has one).
Health and safety instructions
Please read the following safety and operational instructions before using your
IPN Headsets product. Please keep these instructions for your reference. When using this
product, these basic safety precautions and warnings should be followed to reduce the risk
of re, electric shock, injury to persons and damage to property.
General
Operating, charging and storage temperature is 0°C to 40°C (32°F to 104°F).
Warnings
• CHILDREN. Never allow children to play with the product – small parts may be a
choking hazard.
• Plug the AC adaptor into the outlet nearest the equipment that is easily accessible.
• To reduce the risk of electric shock, explosion or re, use only the supplied charger or
Class 2 AC adaptor to charge the headset. Ensure that the voltage rating
(e.g. 120V, 60 Hz) corresponds to the power supply you intend to use.
•For safety reasons always tie back long hair that might get caught in the headset.
14
4. Troubleshooting
Q. I have connected my headset base to my telephone terminal but the headset is not
working.
A. Make sure that the battery has been properly charged.
Q. The headset is working but I cannot hear telephone calls correctly.
A. Ensure that you have the correct wiring setting by adjusting the switch on the bottom
of the headset base.
Q. When the headset’s ON/OFF button is pressed, the handset lifter lifts the handset but
I cannot hear the call on the headset.
A. Ensure that the headset base is connected to the telephone’s handset port and not
the headset port (if the telephone has one).
Health and safety instructions
Please read the following safety and operational instructions before using your
IPN Headsets product. Please keep these instructions for your reference. When using this
product, these basic safety precautions and warnings should be followed to reduce the risk
of re, electric shock, injury to persons and damage to property.
General
Operating, charging and storage temperature is 0°C to 40°C (32°F to 104°F).
Warnings
• CHILDREN. Never allow children to play with the product – small parts may be a
choking hazard.
• Plug the AC adaptor into the outlet nearest the equipment that is easily accessible.
• To reduce the risk of electric shock, explosion or re, use only the supplied charger or
Class 2 AC adaptor to charge the headset. Ensure that the voltage rating
(e.g. 120V, 60 Hz) corresponds to the power supply you intend to use.
•For safety reasons always tie back long hair that might get caught in the headset.
Leitner LH270 or LH275. Please keep these instructions for your reference. When using this
Troubleshooting (For live support call 1-800-432-3738, Mon-Fri 6:00–4:30 Pacific Time)
5. Health and safety instructions
Ensure that you have the correct compatibility setting by adjusting the switch on the
bottom of your headset base. The most common compatibility is 1. Cisco telephones
should be set to 4 when using the headset jack.
Q. I have connected my headset base to my phone but the headset is not working.
12
12 13
14
4. Troubleshooting
Q. I have connected my headset base to my telephone terminal but the headset is not
working.
A. Make sure that the battery has been properly charged.
Q. The headset is working but I cannot hear telephone calls correctly.
A. Ensure that you have the correct wiring setting by adjusting the switch on the bottom
of the headset base.
Q. When the headset’s ON/OFF button is pressed, the handset lifter lifts the handset but
I cannot hear the call on the headset.
A. Ensure that the headset base is connected to the telephone’s handset port and not
the headset port (if the telephone has one).
Health and safety instructions
Please read the following safety and operational instructions before using your
IPN Headsets product. Please keep these instructions for your reference. When using this
product, these basic safety precautions and warnings should be followed to reduce the risk
of re, electric shock, injury to persons and damage to property.
General
Operating, charging and storage temperature is 0°C to 40°C (32°F to 104°F).
Warnings
• CHILDREN.Neverallowchildrentoplaywiththeproduct–smallpartsmaybea
choking hazard.
• PlugtheACadaptorintotheoutletnearesttheequipmentthatiseasilyaccessible.
• Toreducetheriskofelectricshock,explosionorre,useonlythesuppliedchargeror
Class 2 AC adaptor to charge the headset. Ensure that the voltage rating
(e.g. 120V, 60 Hz) corresponds to the power supply you intend to use.
•For safety reasons always tie back long hair that might get caught in the headset.
14
4. Troubleshooting
Q. I have connected my headset base to my telephone terminal but the headset is not
working.
A. Make sure that the battery has been properly charged.
Q. The headset is working but I cannot hear telephone calls correctly.
A. Ensure that you have the correct wiring setting by adjusting the switch on the bottom
of the headset base.
Q. When the headset’s ON/OFF button is pressed, the handset lifter lifts the handset but
I cannot hear the call on the headset.
A. Ensure that the headset base is connected to the telephone’s handset port and not
the headset port (if the telephone has one).
Health and safety instructions
Please read the following safety and operational instructions before using your
IPN Headsets product. Please keep these instructions for your reference. When using this
product, these basic safety precautions and warnings should be followed to reduce the risk
of re, electric shock, injury to persons and damage to property.
General
Operating, charging and storage temperature is 0°C to 40°C (32°F to 104°F).
Warnings
• CHILDREN.Neverallowchildrentoplaywiththeproduct–smallpartsmaybea
choking hazard.
• PlugtheACadaptorintotheoutletnearesttheequipmentthatiseasilyaccessible.
• Toreducetheriskofelectricshock,explosionorre,useonlythesuppliedchargeror
Class 2 AC adaptor to charge the headset. Ensure that the voltage rating
(e.g. 120V, 60 Hz) corresponds to the power supply you intend to use.
•For safety reasons always tie back long hair that might get caught in the headset.
14
4. Troubleshooting
Q. I have connected my headset base to my telephone terminal but the headset is not
working.
A. Make sure that the battery has been properly charged.
Q. The headset is working but I cannot hear telephone calls correctly.
A. Ensure that you have the correct wiring setting by adjusting the switch on the bottom
of the headset base.
Q. When the headset’s ON/OFF button is pressed, the handset lifter lifts the handset but
I cannot hear the call on the headset.
A. Ensure that the headset base is connected to the telephone’s handset port and not
the headset port (if the telephone has one).
Health and safety instructions
Please read the following safety and operational instructions before using your
IPN Headsets product. Please keep these instructions for your reference. When using this
product, these basic safety precautions and warnings should be followed to reduce the risk
of re, electric shock, injury to persons and damage to property.
General
Operating, charging and storage temperature is 0°C to 40°C (32°F to 104°F).
Warnings
• CHILDREN.Neverallowchildrentoplaywiththeproduct–smallpartsmaybea
choking hazard.
• PlugtheACadaptorintotheoutletnearesttheequipmentthatiseasilyaccessible.
• Toreducetheriskofelectricshock,explosionorre,useonlythesuppliedchargeror
Class 2 AC adaptor to charge the headset. Ensure that the voltage rating
(e.g. 120V, 60 Hz) corresponds to the power supply you intend to use.
•For safety reasons always tie back long hair that might get caught in the headset.
14
4. Troubleshooting
Q. I have connected my headset base to my telephone terminal but the headset is not
working.
A. Make sure that the battery has been properly charged.
Q. The headset is working but I cannot hear telephone calls correctly.
A. Ensure that you have the correct wiring setting by adjusting the switch on the bottom
of the headset base.
Q. When the headset’s ON/OFF button is pressed, the handset lifter lifts the handset but
I cannot hear the call on the headset.
A. Ensure that the headset base is connected to the telephone’s handset port and not
the headset port (if the telephone has one).
Health and safety instructions
Please read the following safety and operational instructions before using your
IPN Headsets product. Please keep these instructions for your reference. When using this
product, these basic safety precautions and warnings should be followed to reduce the risk
of re, electric shock, injury to persons and damage to property.
General
Operating, charging and storage temperature is 0°C to 40°C (32°F to 104°F).
Warnings
• CHILDREN.Neverallowchildrentoplaywiththeproduct–smallpartsmaybea
choking hazard.
• PlugtheACadaptorintotheoutletnearesttheequipmentthatiseasilyaccessible.
• Toreducetheriskofelectricshock,explosionorre,useonlythesuppliedchargeror
Class 2 AC adaptor to charge the headset. Ensure that the voltage rating
(e.g. 120V, 60 Hz) corresponds to the power supply you intend to use.
•For safety reasons always tie back long hair that might get caught in the headset.
Leitner LH270 or LH275. Please keep these instructions for your reference. When using this
Troubleshooting (For live support call 1-800-432-3738, Mon-Fri 6:00–4:30 Pacific Time)
5. Health and safety instructions
Ensure that you have the correct compatibility setting by adjusting the switch on the
bottom of your headset base. The most common compatibility is 1. Cisco telephones
should be set to 4 when using the headset jack.
Q. I have connected my headset base to my phone but the headset is not working.
12
12
13
manual_270-275_v5.indd 13 3/20/2017 1:18:03 PM

15
• DonotdisassembletheproductorACadaptorasthismayexposeyoutodangerous
voltages or other risks. Incorrect reassembly can cause electric shock or re when the
 productissubsequentlyused.
• Donotinsertanythingintotheproductbecausethismaycausedamagetothe
internal components or cause injury to you.
• Avoidcontactwithliquids.Donotlocatethisproductnearwater,forexample,neara
bathtub, or sink, in a wet basement, or near a swimming pool.
• DiscontinueuseofproductandcontactIPNHeadsetsiftheproductoverheats,hasa
damaged cord or plug, if the product has been dropped or damaged, or if the
 producthascomeintocontactwithliquids.
• Thisproductshouldneverbeplacedoverornearaheatregisterandshouldnotbe
placed in locations which do not have proper ventilation.
• Ifyouexperienceaskinirritationafterusingthisproduct,discontinueuse
and contact IPN Headsets.
• Exposuretohighvolumesoundlevelsorexcessivesoundpressuremaycause
temporary or permanent damage to your hearing. Although there is no single volume
setting that is appropriate for everyone, you should always use your headset with the
volume set at moderate levels and avoid prolonged exposure to high volume sound
 levels.Thelouderthevolume,thelesstimeisrequiredbeforeyourhearingcouldbe
 aected.Youmayexperiencedierentsoundlevelswhenusingyourheadsetwith
dierent devices. The device you use and its settings aect the level of sound you
hear. If you experience hearing discomfort, you should stop listening to the device
through your headset and have your hearing checked by your doctor.
To protect your hearing, some hearing experts suggest you:
1. Set the volume control in a low position before putting your headset on your ear
and use as low volume as possible.
2. Avoid turning up the volume to block out noisy surroundings. Whenever possible,
  useyourheadsetinaquietenvironmentwithlowbackgroundnoise.
3. Limit the amount of time you use headsets at high volume levels.
4. Turn the volume down if the sound from the headset prevents you from hearing
people speaking near you.
• Discontinue use of product if the product overheats, has a damaged cord or plug, if
the product has been dropped or damaged, or if the product has come into contact
with liquids.
• This product should never be placed over or near a heat source and should not be
• If you experience skin irritation after using this product, discontinue use.
15
• DonotdisassembletheproductorACadaptorasthismayexposeyoutodangerous
voltages or other risks. Incorrect reassembly can cause electric shock or re when the
 productissubsequentlyused.
• Donotinsertanythingintotheproductbecausethismaycausedamagetothe
internal components or cause injury to you.
• Avoidcontactwithliquids.Donotlocatethisproductnearwater,forexample,neara
bathtub, or sink, in a wet basement, or near a swimming pool.
• DiscontinueuseofproductandcontactIPNHeadsetsiftheproductoverheats,hasa
damaged cord or plug, if the product has been dropped or damaged, or if the
 producthascomeintocontactwithliquids.
• Thisproductshouldneverbeplacedoverornearaheatregisterandshouldnotbe
placed in locations which do not have proper ventilation.
• Ifyouexperienceaskinirritationafterusingthisproduct,discontinueuse
and contact IPN Headsets.
• Exposuretohighvolumesoundlevelsorexcessivesoundpressuremaycause
temporary or permanent damage to your hearing. Although there is no single volume
setting that is appropriate for everyone, you should always use your headset with the
volume set at moderate levels and avoid prolonged exposure to high volume sound
 levels.Thelouderthevolume,thelesstimeisrequiredbeforeyourhearingcouldbe
 aected.Youmayexperiencedierentsoundlevelswhenusingyourheadsetwith
dierent devices. The device you use and its settings aect the level of sound you
hear. If you experience hearing discomfort, you should stop listening to the device
through your headset and have your hearing checked by your doctor.
To protect your hearing, some hearing experts suggest you:
1. Set the volume control in a low position before putting your headset on your ear
and use as low volume as possible.
2. Avoid turning up the volume to block out noisy surroundings. Whenever possible,
  useyourheadsetinaquietenvironmentwithlowbackgroundnoise.
3. Limit the amount of time you use headsets at high volume levels.
4. Turn the volume down if the sound from the headset prevents you from hearing
people speaking near you.
16
To avoid the risk of electric shock, explosion, re or leakage of corrosive or toxic chemicals,
please observe the following charging and battery warnings:
Charging warnings
• UseonlythechargersuppliedbyIPNHeadsetstochargetheproduct.Donotuse
the charger for any other purpose. Ensure that the voltage rating corresponds to the
power supply you intend to use.
• Chargetheheadsetaccordingtotheinstructionssuppliedwiththeunit.
• PlugtheACadaptororchargerintoanoutletthatisneartheequipmentandwillbe
easily accessible.
• Neverchargethebatterywherethetemperaturemayfallbelow0°C(32°F)or
rise above 40°C (104°F).
• Avoidchargingthebatterywhileitisunattended.
Headset battery warnings
Theheadsetisequippedwithareplaceablebattery.Toreducetheriskofreorinjuryto
persons read and follow these instructions.
Do not attempt to open battery in a re. The battery may explode. Check the local laws for
disposal instructions.
Do not open or mutilate the battery. There may be corrosive materials which can cause
damage to eyes or skin and may be toxic if swallowed.
Charge the headset according to the instructions supplied with the headset.
RECYCLING:thebatteryusedinyourheadsetmustberecycledordisposedofproperly.
Contact your local recycling centre for proper disposal of your headset.
16
To avoid the risk of electric shock, explosion, re or leakage of corrosive or toxic chemicals,
please observe the following charging and battery warnings:
Charging warnings
• UseonlythechargersuppliedbyIPNHeadsetstochargetheproduct.Donotuse
the charger for any other purpose. Ensure that the voltage rating corresponds to the
power supply you intend to use.
• Chargetheheadsetaccordingtotheinstructionssuppliedwiththeunit.
• PlugtheACadaptororchargerintoanoutletthatisneartheequipmentandwillbe
easily accessible.
• Neverchargethebatterywherethetemperaturemayfallbelow0°C(32°F)or
rise above 40°C (104°F).
• Avoidchargingthebatterywhileitisunattended.
Headset battery warnings
Theheadsetisequippedwithareplaceablebattery.Toreducetheriskofreorinjuryto
persons read and follow these instructions.
Do not attempt to open battery in a re. The battery may explode. Check the local laws for
disposal instructions.
Do not open or mutilate the battery. There may be corrosive materials which can cause
damage to eyes or skin and may be toxic if swallowed.
Charge the headset according to the instructions supplied with the headset.
RECYCLING:thebatteryusedinyourheadsetmustberecycledordisposedofproperly.
Contact your local recycling centre for proper disposal of your headset.
14
15
15
• DonotdisassembletheproductorACadaptorasthismayexposeyoutodangerous
voltages or other risks. Incorrect reassembly can cause electric shock or re when the
 productissubsequentlyused.
• Donotinsertanythingintotheproductbecausethismaycausedamagetothe
internal components or cause injury to you.
• Avoidcontactwithliquids.Donotlocatethisproductnearwater,forexample,neara
bathtub, or sink, in a wet basement, or near a swimming pool.
• DiscontinueuseofproductandcontactIPNHeadsetsiftheproductoverheats,hasa
damaged cord or plug, if the product has been dropped or damaged, or if the
 producthascomeintocontactwithliquids.
• Thisproductshouldneverbeplacedoverornearaheatregisterandshouldnotbe
placed in locations which do not have proper ventilation.
• Ifyouexperienceaskinirritationafterusingthisproduct,discontinueuse
and contact IPN Headsets.
• Exposuretohighvolumesoundlevelsorexcessivesoundpressuremaycause
temporary or permanent damage to your hearing. Although there is no single volume
setting that is appropriate for everyone, you should always use your headset with the
volume set at moderate levels and avoid prolonged exposure to high volume sound
 levels.Thelouderthevolume,thelesstimeisrequiredbeforeyourhearingcouldbe
 aected.Youmayexperiencedierentsoundlevelswhenusingyourheadsetwith
dierent devices. The device you use and its settings aect the level of sound you
hear. If you experience hearing discomfort, you should stop listening to the device
through your headset and have your hearing checked by your doctor.
To protect your hearing, some hearing experts suggest you:
1. Set the volume control in a low position before putting your headset on your ear
and use as low volume as possible.
2. Avoid turning up the volume to block out noisy surroundings. Whenever possible,
  useyourheadsetinaquietenvironmentwithlowbackgroundnoise.
3. Limit the amount of time you use headsets at high volume levels.
4. Turn the volume down if the sound from the headset prevents you from hearing
people speaking near you.
15
• DonotdisassembletheproductorACadaptorasthismayexposeyoutodangerous
voltages or other risks. Incorrect reassembly can cause electric shock or re when the
 productissubsequentlyused.
• Donotinsertanythingintotheproductbecausethismaycausedamagetothe
internal components or cause injury to you.
• Avoidcontactwithliquids.Donotlocatethisproductnearwater,forexample,neara
bathtub, or sink, in a wet basement, or near a swimming pool.
• DiscontinueuseofproductandcontactIPNHeadsetsiftheproductoverheats,hasa
damaged cord or plug, if the product has been dropped or damaged, or if the
 producthascomeintocontactwithliquids.
• Thisproductshouldneverbeplacedoverornearaheatregisterandshouldnotbe
placed in locations which do not have proper ventilation.
• Ifyouexperienceaskinirritationafterusingthisproduct,discontinueuse
and contact IPN Headsets.
• Exposuretohighvolumesoundlevelsorexcessivesoundpressuremaycause
temporary or permanent damage to your hearing. Although there is no single volume
setting that is appropriate for everyone, you should always use your headset with the
volume set at moderate levels and avoid prolonged exposure to high volume sound
 levels.Thelouderthevolume,thelesstimeisrequiredbeforeyourhearingcouldbe
 aected.Youmayexperiencedierentsoundlevelswhenusingyourheadsetwith
dierent devices. The device you use and its settings aect the level of sound you
hear. If you experience hearing discomfort, you should stop listening to the device
through your headset and have your hearing checked by your doctor.
To protect your hearing, some hearing experts suggest you:
1. Set the volume control in a low position before putting your headset on your ear
and use as low volume as possible.
2. Avoid turning up the volume to block out noisy surroundings. Whenever possible,
  useyourheadsetinaquietenvironmentwithlowbackgroundnoise.
3. Limit the amount of time you use headsets at high volume levels.
4. Turn the volume down if the sound from the headset prevents you from hearing
people speaking near you.
16
To avoid the risk of electric shock, explosion, re or leakage of corrosive or toxic chemicals,
please observe the following charging and battery warnings:
Charging warnings
• UseonlythechargersuppliedbyIPNHeadsetstochargetheproduct.Donotuse
the charger for any other purpose. Ensure that the voltage rating corresponds to the
power supply you intend to use.
• Chargetheheadsetaccordingtotheinstructionssuppliedwiththeunit.
• PlugtheACadaptororchargerintoanoutletthatisneartheequipmentandwillbe
easily accessible.
• Neverchargethebatterywherethetemperaturemayfallbelow0°C(32°F)or
rise above 40°C (104°F).
• Avoidchargingthebatterywhileitisunattended.
Headset battery warnings
Theheadsetisequippedwithareplaceablebattery.Toreducetheriskofreorinjuryto
persons read and follow these instructions.
Do not attempt to open battery in a re. The battery may explode. Check the local laws for
disposal instructions.
Do not open or mutilate the battery. There may be corrosive materials which can cause
damage to eyes or skin and may be toxic if swallowed.
Charge the headset according to the instructions supplied with the headset.
RECYCLING:thebatteryusedinyourheadsetmustberecycledordisposedofproperly.
Contact your local recycling centre for proper disposal of your headset.
• Use only the charger provided with your headset to charge the product. Do not use
16
To avoid the risk of electric shock, explosion, re or leakage of corrosive or toxic chemicals,
please observe the following charging and battery warnings:
Charging warnings
• UseonlythechargersuppliedbyIPNHeadsetstochargetheproduct.Donotuse
the charger for any other purpose. Ensure that the voltage rating corresponds to the
power supply you intend to use.
• Chargetheheadsetaccordingtotheinstructionssuppliedwiththeunit.
• PlugtheACadaptororchargerintoanoutletthatisneartheequipmentandwillbe
easily accessible.
• Neverchargethebatterywherethetemperaturemayfallbelow0°C(32°F)or
rise above 40°C (104°F).
• Avoidchargingthebatterywhileitisunattended.
Headset battery warnings
Theheadsetisequippedwithareplaceablebattery.Toreducetheriskofreorinjuryto
persons read and follow these instructions.
Do not attempt to open battery in a re. The battery may explode. Check the local laws for
disposal instructions.
Do not open or mutilate the battery. There may be corrosive materials which can cause
damage to eyes or skin and may be toxic if swallowed.
Charge the headset according to the instructions supplied with the headset.
RECYCLING:thebatteryusedinyourheadsetmustberecycledordisposedofproperly.
Contact your local recycling centre for proper disposal of your headset.
Do not dispose of the battery in a fire. The battery may explode. Check your local laws for
Contact your local recycling center for proper disposal of your headset.
Contact your local recycling center for proper disposal of your headset battery.
14 15
manual_270-275_v5.indd 14 3/20/2017 1:18:04 PM

15
• DonotdisassembletheproductorACadaptorasthismayexposeyoutodangerous
voltages or other risks. Incorrect reassembly can cause electric shock or re when the
 productissubsequentlyused.
• Donotinsertanythingintotheproductbecausethismaycausedamagetothe
internal components or cause injury to you.
• Avoidcontactwithliquids.Donotlocatethisproductnearwater,forexample,neara
bathtub, or sink, in a wet basement, or near a swimming pool.
• DiscontinueuseofproductandcontactIPNHeadsetsiftheproductoverheats,hasa
damaged cord or plug, if the product has been dropped or damaged, or if the
 producthascomeintocontactwithliquids.
• Thisproductshouldneverbeplacedoverornearaheatregisterandshouldnotbe
placed in locations which do not have proper ventilation.
• Ifyouexperienceaskinirritationafterusingthisproduct,discontinueuse
and contact IPN Headsets.
• Exposuretohighvolumesoundlevelsorexcessivesoundpressuremaycause
temporary or permanent damage to your hearing. Although there is no single volume
setting that is appropriate for everyone, you should always use your headset with the
volume set at moderate levels and avoid prolonged exposure to high volume sound
 levels.Thelouderthevolume,thelesstimeisrequiredbeforeyourhearingcouldbe
 aected.Youmayexperiencedierentsoundlevelswhenusingyourheadsetwith
dierent devices. The device you use and its settings aect the level of sound you
hear. If you experience hearing discomfort, you should stop listening to the device
through your headset and have your hearing checked by your doctor.
To protect your hearing, some hearing experts suggest you:
1. Set the volume control in a low position before putting your headset on your ear
and use as low volume as possible.
2. Avoid turning up the volume to block out noisy surroundings. Whenever possible,
  useyourheadsetinaquietenvironmentwithlowbackgroundnoise.
3. Limit the amount of time you use headsets at high volume levels.
4. Turn the volume down if the sound from the headset prevents you from hearing
people speaking near you.
• Discontinue use of product if the product overheats, has a damaged cord or plug, if
the product has been dropped or damaged, or if the product has come into contact
with liquids.
• This product should never be placed over or near a heat source and should not be
• If you experience skin irritation after using this product, discontinue use.
15
• DonotdisassembletheproductorACadaptorasthismayexposeyoutodangerous
voltages or other risks. Incorrect reassembly can cause electric shock or re when the
 productissubsequentlyused.
• Donotinsertanythingintotheproductbecausethismaycausedamagetothe
internal components or cause injury to you.
• Avoidcontactwithliquids.Donotlocatethisproductnearwater,forexample,neara
bathtub, or sink, in a wet basement, or near a swimming pool.
• DiscontinueuseofproductandcontactIPNHeadsetsiftheproductoverheats,hasa
damaged cord or plug, if the product has been dropped or damaged, or if the
 producthascomeintocontactwithliquids.
• Thisproductshouldneverbeplacedoverornearaheatregisterandshouldnotbe
placed in locations which do not have proper ventilation.
• Ifyouexperienceaskinirritationafterusingthisproduct,discontinueuse
and contact IPN Headsets.
• Exposuretohighvolumesoundlevelsorexcessivesoundpressuremaycause
temporary or permanent damage to your hearing. Although there is no single volume
setting that is appropriate for everyone, you should always use your headset with the
volume set at moderate levels and avoid prolonged exposure to high volume sound
 levels.Thelouderthevolume,thelesstimeisrequiredbeforeyourhearingcouldbe
 aected.Youmayexperiencedierentsoundlevelswhenusingyourheadsetwith
dierent devices. The device you use and its settings aect the level of sound you
hear. If you experience hearing discomfort, you should stop listening to the device
through your headset and have your hearing checked by your doctor.
To protect your hearing, some hearing experts suggest you:
1. Set the volume control in a low position before putting your headset on your ear
and use as low volume as possible.
2. Avoid turning up the volume to block out noisy surroundings. Whenever possible,
  useyourheadsetinaquietenvironmentwithlowbackgroundnoise.
3. Limit the amount of time you use headsets at high volume levels.
4. Turn the volume down if the sound from the headset prevents you from hearing
people speaking near you.
16
To avoid the risk of electric shock, explosion, re or leakage of corrosive or toxic chemicals,
please observe the following charging and battery warnings:
Charging warnings
• UseonlythechargersuppliedbyIPNHeadsetstochargetheproduct.Donotuse
the charger for any other purpose. Ensure that the voltage rating corresponds to the
power supply you intend to use.
• Chargetheheadsetaccordingtotheinstructionssuppliedwiththeunit.
• PlugtheACadaptororchargerintoanoutletthatisneartheequipmentandwillbe
easily accessible.
• Neverchargethebatterywherethetemperaturemayfallbelow0°C(32°F)or
rise above 40°C (104°F).
• Avoidchargingthebatterywhileitisunattended.
Headset battery warnings
Theheadsetisequippedwithareplaceablebattery.Toreducetheriskofreorinjuryto
persons read and follow these instructions.
Do not attempt to open battery in a re. The battery may explode. Check the local laws for
disposal instructions.
Do not open or mutilate the battery. There may be corrosive materials which can cause
damage to eyes or skin and may be toxic if swallowed.
Charge the headset according to the instructions supplied with the headset.
RECYCLING:thebatteryusedinyourheadsetmustberecycledordisposedofproperly.
Contact your local recycling centre for proper disposal of your headset.
16
To avoid the risk of electric shock, explosion, re or leakage of corrosive or toxic chemicals,
please observe the following charging and battery warnings:
Charging warnings
• UseonlythechargersuppliedbyIPNHeadsetstochargetheproduct.Donotuse
the charger for any other purpose. Ensure that the voltage rating corresponds to the
power supply you intend to use.
• Chargetheheadsetaccordingtotheinstructionssuppliedwiththeunit.
• PlugtheACadaptororchargerintoanoutletthatisneartheequipmentandwillbe
easily accessible.
• Neverchargethebatterywherethetemperaturemayfallbelow0°C(32°F)or
rise above 40°C (104°F).
• Avoidchargingthebatterywhileitisunattended.
Headset battery warnings
Theheadsetisequippedwithareplaceablebattery.Toreducetheriskofreorinjuryto
persons read and follow these instructions.
Do not attempt to open battery in a re. The battery may explode. Check the local laws for
disposal instructions.
Do not open or mutilate the battery. There may be corrosive materials which can cause
damage to eyes or skin and may be toxic if swallowed.
Charge the headset according to the instructions supplied with the headset.
RECYCLING:thebatteryusedinyourheadsetmustberecycledordisposedofproperly.
Contact your local recycling centre for proper disposal of your headset.
14 15
15
• DonotdisassembletheproductorACadaptorasthismayexposeyoutodangerous
voltages or other risks. Incorrect reassembly can cause electric shock or re when the
 productissubsequentlyused.
• Donotinsertanythingintotheproductbecausethismaycausedamagetothe
internal components or cause injury to you.
• Avoidcontactwithliquids.Donotlocatethisproductnearwater,forexample,neara
bathtub, or sink, in a wet basement, or near a swimming pool.
• DiscontinueuseofproductandcontactIPNHeadsetsiftheproductoverheats,hasa
damaged cord or plug, if the product has been dropped or damaged, or if the
 producthascomeintocontactwithliquids.
• Thisproductshouldneverbeplacedoverornearaheatregisterandshouldnotbe
placed in locations which do not have proper ventilation.
• Ifyouexperienceaskinirritationafterusingthisproduct,discontinueuse
and contact IPN Headsets.
• Exposuretohighvolumesoundlevelsorexcessivesoundpressuremaycause
temporary or permanent damage to your hearing. Although there is no single volume
setting that is appropriate for everyone, you should always use your headset with the
volume set at moderate levels and avoid prolonged exposure to high volume sound
 levels.Thelouderthevolume,thelesstimeisrequiredbeforeyourhearingcouldbe
 aected.Youmayexperiencedierentsoundlevelswhenusingyourheadsetwith
dierent devices. The device you use and its settings aect the level of sound you
hear. If you experience hearing discomfort, you should stop listening to the device
through your headset and have your hearing checked by your doctor.
To protect your hearing, some hearing experts suggest you:
1. Set the volume control in a low position before putting your headset on your ear
and use as low volume as possible.
2. Avoid turning up the volume to block out noisy surroundings. Whenever possible,
  useyourheadsetinaquietenvironmentwithlowbackgroundnoise.
3. Limit the amount of time you use headsets at high volume levels.
4. Turn the volume down if the sound from the headset prevents you from hearing
people speaking near you.
15
• DonotdisassembletheproductorACadaptorasthismayexposeyoutodangerous
voltages or other risks. Incorrect reassembly can cause electric shock or re when the
 productissubsequentlyused.
• Donotinsertanythingintotheproductbecausethismaycausedamagetothe
internal components or cause injury to you.
• Avoidcontactwithliquids.Donotlocatethisproductnearwater,forexample,neara
bathtub, or sink, in a wet basement, or near a swimming pool.
• DiscontinueuseofproductandcontactIPNHeadsetsiftheproductoverheats,hasa
damaged cord or plug, if the product has been dropped or damaged, or if the
 producthascomeintocontactwithliquids.
• Thisproductshouldneverbeplacedoverornearaheatregisterandshouldnotbe
placed in locations which do not have proper ventilation.
• Ifyouexperienceaskinirritationafterusingthisproduct,discontinueuse
and contact IPN Headsets.
• Exposuretohighvolumesoundlevelsorexcessivesoundpressuremaycause
temporary or permanent damage to your hearing. Although there is no single volume
setting that is appropriate for everyone, you should always use your headset with the
volume set at moderate levels and avoid prolonged exposure to high volume sound
 levels.Thelouderthevolume,thelesstimeisrequiredbeforeyourhearingcouldbe
 aected.Youmayexperiencedierentsoundlevelswhenusingyourheadsetwith
dierent devices. The device you use and its settings aect the level of sound you
hear. If you experience hearing discomfort, you should stop listening to the device
through your headset and have your hearing checked by your doctor.
To protect your hearing, some hearing experts suggest you:
1. Set the volume control in a low position before putting your headset on your ear
and use as low volume as possible.
2. Avoid turning up the volume to block out noisy surroundings. Whenever possible,
  useyourheadsetinaquietenvironmentwithlowbackgroundnoise.
3. Limit the amount of time you use headsets at high volume levels.
4. Turn the volume down if the sound from the headset prevents you from hearing
people speaking near you.
16
To avoid the risk of electric shock, explosion, re or leakage of corrosive or toxic chemicals,
please observe the following charging and battery warnings:
Charging warnings
• UseonlythechargersuppliedbyIPNHeadsetstochargetheproduct.Donotuse
the charger for any other purpose. Ensure that the voltage rating corresponds to the
power supply you intend to use.
• Chargetheheadsetaccordingtotheinstructionssuppliedwiththeunit.
• PlugtheACadaptororchargerintoanoutletthatisneartheequipmentandwillbe
easily accessible.
• Neverchargethebatterywherethetemperaturemayfallbelow0°C(32°F)or
rise above 40°C (104°F).
• Avoidchargingthebatterywhileitisunattended.
Headset battery warnings
Theheadsetisequippedwithareplaceablebattery.Toreducetheriskofreorinjuryto
persons read and follow these instructions.
Do not attempt to open battery in a re. The battery may explode. Check the local laws for
disposal instructions.
Do not open or mutilate the battery. There may be corrosive materials which can cause
damage to eyes or skin and may be toxic if swallowed.
Charge the headset according to the instructions supplied with the headset.
RECYCLING:thebatteryusedinyourheadsetmustberecycledordisposedofproperly.
Contact your local recycling centre for proper disposal of your headset.
• Use only the charger provided with your headset to charge the product. Do not use
16
To avoid the risk of electric shock, explosion, re or leakage of corrosive or toxic chemicals,
please observe the following charging and battery warnings:
Charging warnings
• UseonlythechargersuppliedbyIPNHeadsetstochargetheproduct.Donotuse
the charger for any other purpose. Ensure that the voltage rating corresponds to the
power supply you intend to use.
• Chargetheheadsetaccordingtotheinstructionssuppliedwiththeunit.
• PlugtheACadaptororchargerintoanoutletthatisneartheequipmentandwillbe
easily accessible.
• Neverchargethebatterywherethetemperaturemayfallbelow0°C(32°F)or
rise above 40°C (104°F).
• Avoidchargingthebatterywhileitisunattended.
Headset battery warnings
Theheadsetisequippedwithareplaceablebattery.Toreducetheriskofreorinjuryto
persons read and follow these instructions.
Do not attempt to open battery in a re. The battery may explode. Check the local laws for
disposal instructions.
Do not open or mutilate the battery. There may be corrosive materials which can cause
damage to eyes or skin and may be toxic if swallowed.
Charge the headset according to the instructions supplied with the headset.
RECYCLING:thebatteryusedinyourheadsetmustberecycledordisposedofproperly.
Contact your local recycling centre for proper disposal of your headset.
Do not dispose of the battery in a fire. The battery may explode. Check your local laws for
Contact your local recycling center for proper disposal of your headset.
Contact your local recycling center for proper disposal of your headset battery.
14
15
manual_270-275_v5.indd 15 3/20/2017 1:18:04 PM

© Leitner Headsets
TM
16
manual_270-275_v5.indd 16 3/20/2017 1:18:04 PM