Sennheiser EZX70 User manual

Bedienungsanleitung
EZX 70
Bluetooth headset for phone calls
Instruction manual

EZX 70 | 1
Contents
Contents
Important safety information ...................................................................... 2
The EZX 70 Bluetooth headset ..................................................................... 4
Delivery includes ............................................................................................ 5
Product overview ........................................................................................... 6
Overview of pictograms ............................................................................... 7
Overview of buttons ..................................................................................... 8
Overview of the LED indications ................................................................. 9
Putting the EZX 70 into operation ............................................................ 10
Charging the headset .................................................................................. 10
Connecting the headset to a Bluetooth device ..................................... 11
Using the EZX 70 .......................................................................................... 13
Individually adjusting the headset and wearing it ............................... 13
Switching the headset on/off ................................................................... 14
Retrieving information on the remaining talk time ............................. 15
Changing the speaker volume ................................................................... 16
Making calls using the headset ................................................................. 17
Cleaning and maintaining the EZX 70 ...................................................... 20
If a problem occurs ... .................................................................................. 20
Restoring factory default settings (Reset) ............................................ 21
If you are out of the Bluetooth transmission range ............................. 21
Specifications ............................................................................................... 22
Manufacturer Declarations ......................................................................... 23

Important safety information
2 | EZX 70
Important safety information
왘Readthisinstructionmanualcarefullyandcompletelybeforeusingthe
product.
왘Always include this instruction manual when passing the product on to
third parties.
왘Do not use an obviously defective product.
Preventing damage to health and accidents
왘Do not listen at high volume levels for long periods of time to prevent
hearing damage.
왘Always maintain a distance of at least 3.94“ (10 cm) between the ear
cups and the cardiac pacemaker or implanted defibrillator since the
product generates permanent magnetic fields.
왘Keep the product, accessories and packaging parts out of reach of chil-
dren and pets to prevent accidents and choking hazards.
왘Do not use the product in an environment that requires your special
attention (e.g. in traffic).
왘Do not wear the headset during charging since the rechargeable
battery can get warm.
Preventing damage to the product and malfunctions
왘Alwayskeeptheproductdryanddonotexposeittoextremetempera-
tures (hairdryer, heater, extended exposure to sunlight, etc.) to avoid
corrosion or deformation.
왘Only use attachments/accessories supplied or recommended by Senn-
heiser.
왘Only clean the product with a soft, dry cloth.
왘OnlyusetheproductinenvironmentswherewirelessBluetooth®trans-
mission is permitted.
Intended use/Liability
The EZX 70 is an accessory for mobile phones or any Bluetooth compliant
device with a “hands free profile” (HFP), a “headset profile” (HSP) or the
“advanced audio distribution profile” (A2DP). It is intended for wireless
communication via Bluetooth connection.
It is considered improper use when this product is used for any application
not named in this instruction manual.
Sennheiser does not accept liability for damage arising from abuse or
misuse of this product and its attachments/accessories.
Sennheiser isnotliablefordamagestoUSBdevicesthatarenotconsistent
with the USB specifications.
Sennheiser is not liable for damages resulting from the loss of connection
due to flat or overaged rechargeable batteries or exceeding the Bluetooth
transmission range.

Important safety information
EZX 70 | 3
Safety instructions for standard/rechargeable batteries
In extreme cases, abuse or misuse of standard/rechargeable batteries can
lead to:
WARNING
•explosion,
• fire development,
• heat generation or
• smoke or gas development.
Dispose of products with
built-in rechargeable bat-
teries at special collection
points or return them to
your specialist dealer.
Switch rechargeable
battery-powered products
off after use.
Only use rechargeable bat-
teries recommended by
Sennheiser and the appro-
priate chargers.
When not using recharge-
able batteries for extended
periods of time, charge
them regularly (about
every 3 months).
Only charge rechargeable
batteries at ambient tem-
peratures between 10°C/
50°F and 40°C/104°F.
Do not heat above 70°C/
158°F, e.g. do not expose to
sunlight or throw into a fire.

The EZX 70 Bluetooth headset
4|EZX 70
The EZX 70 Bluetooth headset
The EZX 70 Bluetooth headset is the wireless solution for phone calls with
superb sound quality. The EZX 70’s long battery life of up to 8 hours makes
it especially suitable for professional applications. The Sennheiser digital
noise and echo cancellation blocks out annoying interference – without
compromising on convenience, such as easy one-hand operation.
Bluetooth
The EZX 70 complies with the Bluetooth 3.0 standard and is compatible
withallBluetooth1.1, 1.2, 2.0, 2.1 and 3.0 devices with a “hands free pro-
file” (HFP), a “headset profile” (HSP) or the “advanced audio distribution
profile” (A2DP). The EZX 70 provides wireless freedom to give hands-free
convenience with your mobile phone.
Additional features of the EZX 70 Bluetooth headset
• Hands-free calls – allows for safer calling and talking while driving on
the road due to Bluetooth 3.0 wireless technology
•Easy call control – control your calls effortlessly with its easy-touch
multifunction button
•Long talk time – allows continuous talk for up to 8 hours, and will last
for up to 10 days if you keep it on standby mode
•Best-in-class, noise-canceling microphone – filters out unwanted
background noise so only your voice is transmitted for clear conversa-
tions
•Clear and natural sound quality – delivers natural voice and HD sound
for clear conversations and optimal sound experience
•A2DP streaming – allows you to enjoy HD music, podcast, etc.
•Voice prompt for talk time and connection status – tells you about
your headset’s connection status and its remaining talk time
•Real-time battery monitoring – indicates the battery status of your
headset directly on your iPhone
•Slim and lightweight design – weighs only 9 grams so it’s comfortable
to wear – and it looks good on the ears too
•Multi-connectivity – connects conveniently to two devices at a time –
e.g., phones and computers
•Easy charging – connect the USB charging cable to your device and a
power source, such as a computer, and you’re good to go

Delivery includes
EZX 70 | 5
Delivery includes
EZX 70 Bluetooth headset
with built-in rechargeable Lithium-Polymer battery
USB charging cable
Quick Guide
Safety Guide
A list of accessories can be found at www.sennheiser.com. For infor-
mation, contact your local Sennheiser partner: www.sennheiser.com
> “Sales Partner“.
Quick
Guide
Safety
Guide

Product overview
6 | EZX 70
Product overview
2
6
8
9
5
7
13
4
1Socket for USB charging cable
2Multi-function button
3On/off switch
4LED
5Microphone
6Volume – button
7Speaker
8Volume + button
9Earhook

Product overview
EZX 70 | 7
Overview of pictograms
Meaning of the pictograms for pressing a button
Meaning of the pictograms for the beeps
Meaning of the pictograms for the flashing of the LED
Examples of some of the pictograms that areusedthroughoutthisinstruc-
tion manual:
The pictogram “i”
Pictogram Meaning
Briefly press this button.
Double-press this button.
Keep this button pressed for 3 seconds.
Pictogram Meaning
Ascending sequence of beeps
Descending sequence of beeps
One beep
Several beeps
Two descending beeps
Two ascending beeps
Pictogram Meaning
This pictogram symbolizes a flashing.
This pictogram symbolizes an interruption.
This pictogram symbolizes a time interval.
Pictogram Meaning
The LED flashes rapidly.
The LED flashes once every 3 seconds.
The LED flashes 3 times per second.
Notesmarkedwiththepictogram“i”provideimportantinformation
on the use of the headset.
2 x
3 s
4s 4s
3s 3s 3s 3s
1s

Product overview
8 | EZX 70
Overview of buttons
On/off switch
Multi-function button
Volume buttons
Switch Function Page
Switches the headset on 14
Switches the headset off 14
O
F
F
Button Function Page
Accepts / ends a call 17
Accepts an incoming call and ends the active call
(managing two calls) 18
Ends the active call and makes the call on hold active
(managing two calls) 18
Transfers a call from the mobile phone to the
headset 17
Stops voice dialing or redialing the last number 19
Re-establishes the connection after the transmission
range has been exceeded 21
Establishes a conference call (managing two calls) 18
Activates/stops voice dialing 19
Rejects an incoming call 17
Transfers a call from the headset to the mobile
phone 17
Accepts an incoming call and puts the active call on
hold (managing two calls)
Activates redialing
18
Changes to pairing mode 12
2s
2 x
3 s
Vol +
Vol –
Button Press Function Page
Reduces the volume 16
Increases the volume 16
Mutes/unmutes the headset’s
microphone 19
Retrieves information on the
remaining talk time 15
Resets the headset to the
factory default settings 21
Vol –
Vol +
Vol –
2s
Vol +
2s
Vol + Vol –
3 s

Product overview
EZX 70 | 9
Overview of the LED indications
Meaning during operation
Once the headset is successfully connected, the LED goes off.
Meaning during calls
Meaning during charging
LED Meaning
Headset switches on
Headset switches off
Headset is in pairing mode
Pairing was successful
Pairing has failed
Connectable state, not connected
LED Meaning
Incoming call
Incoming call + rechargeable battery is weak
LED Meaning
Charging in progress
Rechargable battery is fully charged
5s
5min

Putting the EZX 70 into operation
10 | EZX 70
Putting the EZX 70 into operation
Charging the headset
A complete charging cycle takes about 1 hour and 20 minutes. Before
using the headset for the first time, charge the rechargeable battery for
a complete charging cycle without interruption.
1Take off the headset and switch it off (see page 14).
2Connect the smaller plug of the charging cable to the USB socket of the
EZX 70.
3Connect the USB plug of the charging cable to the USB socket of your
computer.
If you are using the optional charging accessories*: Connect the USB
plug of the charging cable to the power supply unit or to the USB car
charger adapter.
4The rechargeable battery is being charged.
When charging is complete, the LED goes off.
WARNING
Danger of injury!
Wearingor using theheadsetduringcharging can cause burns and
injuries.
왘During charging, place the headset on a table.
1:20 h
A charging time of ... corresponds to a talk time of ...
approx. 10 min approx. 1 h 30 min
approx. 20 min approx. 3 h 20 min
approx. 40 min approx. 6 h 50 min
approx. 60 min approx. 7 h 30 min
approx. 80 min approx. 8 h
1 2
3 4
100 %
*
*
*
available as optional accessory
5 min

Putting the EZX 70 into operation
EZX 70 | 11
Charging the rechargeable battery using the USB smart charging cable
TheshapeableUSBchargingcableallowsyoutochargetheheadsetsothat
it, for example, does not even touch your desk. Its compact size also pre-
vents cable tangles.
Connecting the headset to a Bluetooth device
The headset complies with the Bluetooth 3.0 standard. In order that data
can be transmitted wirelessly using Bluetooth technology, you have to
pair your headset with Bluetooth devices that support the “hands free
profile” (HFP), the “headset profile” (HSP) or the “advanced audio distri-
bution profile” (A2DP).
The headset can save the connection profiles of up to eight Bluetooth
devices with which it has been paired. After switch-on, the headset auto-
matically tries to connect to the two last connected Bluetooth devices.
IfyoupairtheheadsetwithaninthBluetoothdevice,thesavedconnection
profile of the first Bluetooth device will be overwritten. If you want to re-
establisha connectionwith thefirstBluetoothdevice,you have topairthe
headset again.
CAUTION
Danger of malfunction!
The transmitted radio waves of mobile phones can impair the operation of
sensitive and unprotected devices.
왘Onlymakecallswith the headset in locations where wirelessBluetooth
transmission is permitted.
paired stored

Putting the EZX 70 into operation
12 | EZX 70
Pairing the EZX 70 with a Bluetooth device
The following chapter describes, by way of example of a mobile phone,
how to pair the EZX 70 with a Bluetooth device. In case of deviation,
proceed as described in the instruction manual of your mobile phone.
1Switch the headset on (see page 14). Then keep the multi-function
button pressed until the LED alternately flashes blue and red. The
headset is in pairing mode.
2Enable the Bluetooth visibility on your mobile phone.
3On the mobile phone, start a search for Bluetoothdevices. All available
devices in the proximity of the mobile phone are displayed.
4From the found Bluetooth devices, select “Sennheiser EZX 70” to
establisha Bluetoothconnectiontothe headset.Ifnecessary,enter the
default PIN code “0000”.
5Once the headset is paired with the mobile phone, the LED turns off.
1 2
3
5
4
20 cm
Menu
Bluetooth on
Bluetooth off
Menu
Add device
Sennheiser EZX 70
Mobile phone Jane
Sennheiser EZX 70
Keyword:
0000
Press and hold

Using the EZX 70
EZX 70 | 13
Using the EZX 70
Individually adjusting the headset and wearing it
Foran optimized and individual wearing comfort, the headsetcanbeworn
on your left or right ear.
1Rotate the earhook, if you want to change the wearing ear of the
headset.
2Guide the earhook behind your ear.
3Position the headset so that it fits comfortably.
1 2
3

Using the EZX 70
14 | EZX 70
Switching the headset on/off
Switching the headset on
왘Move the on/off switch to the position ON.
The LED flashes 3 times blue and you hear an ascending sequence of
beeps. When the headset is paired but not yet connected to the mobile
phone, the LED flashes 3 times blue every 5 seconds. Once the headset
and the mobile phone are connected, the LED turns off and the voice
prompt “connected” is announced in the headset.
Switching the headset off
If the headset has not been used for more than 1 hour, it automatically
switches off to conserve battery power.
왘Move the on/off switch to the position OFF.
The LED flashes 3 times red. You hear a descending sequence of beeps.
If the headset is switched off and then on again within 10 seconds,
there might be no voice prompt because the reset procedure is not
completed.
Connection profiles and volume settings are saved automatically
when the headset is switched off.
”connected“

Using the EZX 70
EZX 70 | 15
Retrieving information on the remaining talk time
Youcanretrieveinformationontheremainingtalktimeatanytimeexcept
when you are on a call or listening to music:
왘Press the Volume + button for 2 seconds.
Battery level indicator displayed on Apple iPhone
When the headset is paired with an iPhone, the iPhone screen shows an
additional battery level indicator for the headset.
2s
Information announced Comment
Between 4 and 8 hours talk time Remaining talk timeBetween 2 and 4 hours talk time
Less than 2 hours talk time
Recharge headset Remaining talk time is less than
10 min.

Using the EZX 70
16 | EZX 70
Changing the speaker volume
The adaptive volume level feature adjusts the speaker volume
automatically, e.g. when you enter or leave a noisy environment. You only
need to adjust the volume to your preferred setting once. To adjust the
volume during a call or when listening to music:
왘Press the
– Volume + button to increase the volume.
– Volume – button to reduce the volume.
Whenthemaximum volumeisreached, you hearabeep intheheadset.
Vol +
Vol –
WARNING
Hearing damage due to high volumes!
Listening at high volume levels for long periods can lead to perma-
nent hearing defects.
왘Set the volume to a low level before putting on the headset.
왘Do not continuously expose yourself to high volumes.
Vol +
Vol –

Using the EZX 70
EZX 70 | 17
Making calls using the headset
Making a call
왘Dial the desired number on your mobile phone.
You hear a beep in the headset.
왘If your mobile phone does not automatically transfer the call to the
headset, simply press the multi-function button once to transfer the
callfromthemobilephonetotheheadset.Alternatively,pressabutton
on your mobile phone (see the instruction manual of your mobile
phone).
Accepting/rejecting/ending a call
When your EZX 70 is connected to a mobile phone and you receive a call,
you hear a ring tone in the headset and the LED flashes blue every
2 seconds.Iftheheadsetbatteryislow,theLEDflashesredinsteadofblue.
If you listen to music, the music is stopped until you end the call.
When you receive a call and your headset is switched off, simply switch
your headset on to accept the call.
왘Press the multi-function button:
Transfering the call to/from the headset
Once a connection is established, you can transfer the call to/from the
headset.
왘Press the multi-function button:
Duration Function Beep(s)
Accepts a call
Rejects a call
Ends a call
2s
Duration Function Beep(s)
Transfers a call fromthe headset to
the mobile phone
Transfers a call from the mobile
phone to the headset
2s

Using the EZX 70
18 | EZX 70
Managing two calls
You can manage two calls:
• from either two different Bluetooth devices or
•fromoneBluetooth device.
If you want to manage two calls from one Bluetoothdevice,disconnect
the second Bluetooth connection.
If you receive a call during an active call:
왘Press the multi-function button:
If you put an active call on hold (toggling):
왘Press the multi-function button again:
Duration Active
call 2nd incoming call Function
Accepts the incoming call and ends
the active call
Accepts the incoming call and puts
an active call on hold (toggling -
phone dependent)
2 x
Duration Active call 2nd call
put on hold Function
Ends the active call and makes the
call on hold active
(phone dependent)
Establishes a conference call
(for 2 calls on one mobile phone
only)
2s