VT VT9400 DECT User manual

VT 9400 DECT
User Manual

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1. WELCOME.................................................................................... 错误！未定义书签。
2. PRODUCT OVERVIEW.............................................................. 错误！未定义书签。
2.1 PACKAGE CONTENTS.................................................................................... 错误！未定义书签。
2.2 HEADSET OVERVIEW..................................................................................................................5
2.3 BACE OVERVIEW......................................................................................................................... 6
3 CONNECTING TO A DESK PHONE............................................................................8
3.1 CONNECT TO DESK PHONE....................................................................................................... 8
3.2 CONNECT TO A PC....................................................................................................................... 8
3.3 SWITCH DESKPHONE MODE AND PC MODE......................................................................... 8
3.4 CONNECT POWER SUPPLY TO BACE.......................................................................................9
3.5 DOCK THE HEADSET................................................................................................................... 9
4. CONFIGURING THE DESK PHONE AUDIO..........................................................10
4.1 SET A CLEAR DIAL TONE......................................................................................................... 10
4.2 SET THE MIC, RECEIVER VOLUME........................................................................................ 10
5. VT9400 DECT FEATURES.......................................................................................... 10
5.1 HEADSET MULTI-FUNCTION BUTTON..................................................................................10
5.2 HEADSET RECEIVER VOLUME BUTTONS............................................................................ 11
5.3 HEADSET MUTE BUTTON.........................................................................................................11
5.4 HEADSET LED INDICATORS.................................................................................................... 13
5.5 HEADSET AUDIO INDICATORS................................................................... 错误！未定义书签。
5.6 BASE VISUAL INDICATORS..................................................................................................... 14
6. CALL MANAGEMENT................................................................................................ 15
6.1 MAKING CALLS, ANSWERING CALLS AND ENDING CALLS........................................... 15
6.2 SWITCHING BETWEEN PHONE AND HEADSET...................................................................15
6.3 CONFERENCE CALL WITH MULTIPLE HEADSETS..............................................................15
7. TECHNICAL SPECIFICATIONS...............................................................................16
7.1 VT9400 DECT HEADSET............................................................................................................ 16
7.2 HEADSET BATTERY...................................................................................................................17
7.3 VT9400 DECT BASE.................................................................................................................... 18
7.4 PRODUCT DISPOSAL..................................................................................................................17
7.5 FCC NOTICE TO USERS............................................................................................................. 18
7.6 IC NOTICE TO USERS..................................................................................................................18

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1. WELCOME
Congratulations on purchasing your new VT9400 DECT. We are sure you will enjoy its
wide range of features, and find the headset comfortable to wear and easy to use.
VT9400 DECT headset features
• Wideband audio for exceptional sound quality.
• Volume and mute controls.
• Intuitive headset multi-function button for easy call handling.
• LED and audio indicators.
• Advanced hearing protection with safetone™.
• Noise-cancelling microphone.
VT9400 DECT base features
• Headset recharge docking cradle.
• Visual call status indicators.
• Visual wireless connection status indicators.
• Mute indicators.
• Battery indicators.
• Voice-prompted configuration.
• Volume adjustment
• Port for VT Link adapter and remote handset lifter
• Work with Desk Phone & PC Soft phone (Skype for Business )

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2. PRODUCT OVERVIEW
2.1 PACKAGE CONTENTS
Headset Base Power adapter
User manual Telephone cable Mini USB cable

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2.2 HEADSET OVERVIEW
Receiver volume UP
Receiver volume DOWN
MIC mute
Multiple function button
Headset status LED
Headband

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2.3 BASE OVERVIEW
MIC boom
Headset charger contacts
Receiver
Noise-canceling MIC
Headset seat
Charger contacts
Desk phone &PC mode indicator light
Headset with paired light
MIC mute light
Battery charging status light
Leather cushion

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MIC volume adjustment
Receiver volume adjustment
Multiple Switch
AUX for EHS cable port
Telephone Port
Handset Port
PAGE Switch
Speaker
Mini USB port
Power Adapter Jack

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3 CONNECTING TO DESK PHONE AND PC
3.1 CONNECT TO DESK PHONE
Option 1
Desk Phone without Headset Port:
this desk phone does not have a
dedicated headset port.
1. On the desk phone, unplug the
handset cable from the phone body.
2. Connect the handset cable to the
port marked on the base.
3. Plug the supplied telephone cable
into the port marked on the base.
4. Connect the telephone cable into
the handset port on the desk phone.
Option 2
Desk Phone with Headset Port:
This type of desk phone has a dedicated
headset port(usually at the back of the
phone). These phones typically have a
button on the front panel for switching
Between handset and headset.
1. Plug the supplied telephone cable into
the port marked on the base.
2. Connect the telephone cable to the
headset port on the desk phone.
Option 3
Desk Phone with Lifter the remote handset:
lifter manually lifts the desk phone handset
to make or answer a call. For mounting
Instructions refer to documentation supplied
with the lifter.
1. On the desk phone, unplug the handset
cable from the phone body.
2. Connect the handset cable to the port
marked on the base.
3. Plug the supplied telephone cable into the port marked on the base.
4. Connect the telephone cable into the handset port on the desk phone.
5. Connect the Lifter cable into the port marked AUX on the base.
Option 4
Desk Phone with VT Link:
A VT Link adapter enables an
incoming call to be answered
or ended by the headset multi-
function button.
Contact your local VT dealer to
purchase a VT Link adapter for
your specific desk phone.
1. Connect the VT Link adapter
as shown in adapter documentation
supplied with the VT Link. On some
phones the telephone cable will also
need to be connected.
2. Call your connected desk phone using another phone to enable the VT Link
adapter. Wait 10 seconds before answering the phone.
OR

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3.2 CONNECTING TO PC
First of all, connect Power Adapter to Base and then using the Mini USB cable connects the Base to
PC. If you want to use the hook on and hook off function with Skype for Business, please open the
Skype for Business and choose 9400 DECT device in settings, after that press the Multi-button on the
headset to answer and hang up the phone call.
3.3 TURN DESK PHONE MODE TO PC MODE
Firstly, connecting Power Adapter to Base, the VT9400 DECT is always in Desk Phone Mode,
and the Desk Phone Mode light is on. Then using Mini USB Cable connects the Base to PC. The
computer should automatically recognize the device and install the correct drivers.Thirdly,
please press the PAGE button and you will see the PC Mode light is on with the Desk Phone
Mode light off. Now the headset is in PC Mode.
If you want to turn PC Mode back to Desk Phone Mode, please press the PAGE button again. When
the Desk Phone Mode light is on and the PC Mode LED is off, the headset is now in Desk Phone Mode
again.
3.4 CONNECT POWER SUPPLY TO BASE
1. Plug the power adapter into the port marked on the base.
2. Connect the power adapter to the mains power socket.

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3.5 DOCK THE HEADSET
1. Press the Multiple function button, it will be powered on after the LED lights for 2S. Press the
Multiple function button again or dock the headset with the base, then lifting the headset, the headset with
paired light will lit up when the headset and base are in the connection.
2. When docked correctly the headset battery will begin charging, if needed(LED will flash when
charging ). Charge for 20 minutes or until the battery indicator on the base is steady green.
3. Clear the paired base: Press the marked R+ at the back of the base, the battery charging status light
will flash 3 times.
4. Renew to pair the headset: consistently press the PAGE switch for 5S, the headset with paired
light will flash to search the headset, consistently press the headset mute button until the headset
status LED flash, then the headset are in the paired status. Connection will be successful when the LED
power off in the same time.
4. CONFIGURING THE DESK PHONE AND PC AUDIO
Due to the large range of desk phone brands/models available, a clear dial tone must be set before

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first-time use of the VT9400 DECT. setting the clear dial tone will enable the VT9400 DECT to function
correctly with your specific desk phone. additionally it is also important to set the microphone volume for
optimal sound quality.
4.1 SET A CLEAR DIAL TONE
1. Put on the headset.
2. Get a dial tone by pressing the headset button on the desk
phone, or by lifting the desk phone handset.
3. Locate the clear dial tone switch on the back of the VT9400
DECT base, as illustrated, and while listening in the headset for
a clear dial tone, rotate the switch from a to G.
4. Determine the best switch position. The dial tone should be
strong, clear and undistorted.
5. When the clear dial tone is set, press the headset button on the
desk phone, or return the desk phone handset to the receiver.
4.2 SET THE MICROPHONE AND RECEIVER VOLUME
1. Put on the headset.
2. Get a dial tone by pressing the headset button on the desk
phone, or by lifting the desk phone handset.
3. Make a test call. Call a friend or colleague to test your
speaking volume. ensure the listener does not adjust their own
volume.
4. Adjust the microphone volume using the microphone + / -
volume buttons, as illustrated, if your speaking volume is too
loud or too quiet for the listener.
5. Adjust the receiver volume using the receiver + / -
volume buttons, as illustrated, if your listening volume is too
loud or too quiet by the listener.
6. When the microphone volume is set, end the call.
5. VT9400 DECT FEATURES
5.1 HEADSET MULTI-FUNCTION BUTTON
MIC adjustment
Receiver adjustment
CLICK

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The multi-function button can answer calls and end calls using a combination of taps, double-taps or
presses .
Function Tap Press hold
Answer incoming call √
End current call √
Power on √
Power off √
5.2 HEADSET SPEAKER VOLUME BUTTONS
The speaker volume buttons adjust the headset speaker volume.
5.3 HEADSET MUTE BUTTON
The mute button mutes or un-mutes the headset microphone.
Multi-function button
Speaker volume button＂+＂
Speaker volume button”-＂

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Function Tap Press Hold
MIC muting √
Mute Canceling √
In the paired statues √
Mute button

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5.4 HEADSET LED INDICATOR
The LED indicator indicates call status.
Headset state LED Indicator
Power on Light hold for 2S
Power off ON 100ms OFF 100ms FLSSH 3S
Pairing ON 250ms OFF 250ms FLASH
Standby ON 250ms OFF 8s FLASH
Connected Light on hold
Online Light on hlod
Incoming call ON 300ms OFF 700ms Flash
Headset docked in base ON 3S OFF 5S FLASH？
Low battery alarming ON 300ms OFF 100ms+ON 300ms OFF500 FLASH
Led indicator

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5.5 BASE VISUAL INDICATORS
The VT9400 DECT base has five LEDs to indicate battery, call status and events.
Icon Status
Indicator PC mode or DESK Phone mode
Link between headset and base
Searching for headset
Microphone muted
Battery charging
Full battery
Unknown battery status

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6. CALL MANAGEMENT
6.1 MAKING CALLS, ANSWERING CALLS AND ENDING CALLS
Phone without headset port Phone with headset port Phone with VT Link, or
Lifter
1. Lift headset from docking cradle, 1. Lift headset from docking cradle, 1. Lift headset from docking
cradle, Make or tap the multi-function
button. or tap the multi-function button. or tap the multi-function button.
2. Lift desk phone handset and set 2. Tap the headset button on the desk 2. Tap the headset button on
the desk
aside . phone. phone.
call 3. Dial number using desk phone. 3. Dial number using desk phone. 3. Dial number using desk
phone.
1. Lift headset from docking cradle, 1. Lift headset from docking cradle, 1. Lift headset from docking
cradle Answer or tap the multi-function button. or tap the multi-function button. or tap the
multi-function button.
2. Lift desk phone handset and set 2. Tap the headset button on the desk
call aside . phone.
1.Pick off the headband of the desk 1.Tap the headset button on the desk Dock the headset, or tap the
multi-
End phone；phone function button call.
call 2.Dock the headset, or tap the multi- 2.Dock the headset, or tap the multi-
function button call. function button call.
6.2 SWITCHING BETWEEN PHONE AND HEADSET
Switch from desk phone to headset
1. Lift headset from docking cradle.
2. Do not return desk phone handset to receiver, as this will hang up the call.
Switch from headset to desk phone（without VT Link or Lifter）
1. Lift desk phone handset.
2. Dock headset, or tap the multi-function button.
Switch from headset to desk phone（without VT Link or Lifter）
1. Lift desk phone handset.
2. Refer to specific desk phone documentation. In some cases a button must be pressed on the desk phone,
while in others the switch from handset to desk phone will be automatic.

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6.3 CONFERENCE CALL WITH MULTIPLE HEADSETS
The VT9400 DECT is able to pair with four headsets in total for conferencing:
one primary and three secondary headsets.
Connect the headset:
1. Consistently press the PAGE switch for 5S, the headset with paired light will flash to search the
headset,
consistently press the headset mute button until the headset status LED flash, then the headset are in the
paired
status. Connection will be successful when the LED power off in the same time.
2. Repeat the procedure 1 to connect the four pieces of headsets.
Conference call
1. Press the multiple function button to connect the headsets, then the audio will be shared between
the headsets.
2. Dialing to enter the conference call.
Ending or leaving the conference
The headset user can hang up the phone call to end the conference. At the same time, all headset calls are
ended.
7. TECHNICAL SPECIFICATIONS
7.1 VT 9400 DECT HEADSET
Operating environment:
0˚C to +40˚C; Up to 95% Rh non-condensing.
Call control:
Multi-function button support for answer call, end call, reject call, docking operations also answer and
end calls.
Volume control and microphone mute:
button controls on headset.
Visual indicator:
LED indicates call status, pairing status and other events.
Audio indicators:
Tones indicate incoming calls, low battery, volume level, microphone muting and other events.
Sound quality:
DSP noise reduction; echo cancellation; tone control; wideband and narrowband audio.
Recharge:

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While docked in the VT 9400 DECT Headset.
Wireless standard:
(CAT - IQ) European DECT and U.S. DECT.
DECT range:
For European DECT, up to 120 meters from VT 9400 DECT Headset base to headset.
For U.S. DECT, up to 350 feet from VT 9400 DECT Headset base to headset.
DECT frequencies:
US DECT: 1.92 - 1.93 GHz.
EU DECT: 1.88 - 1.90 GHz.
Wearing-styles:
Headband and ear hook
Microphone boom arm style:
Long boom arm。
Speaker(s):
Wideband speaker.
Microphone:
noise-cancelling microphone.
7.2 Headset Battery
Battery type:
Lithium Ion-polymer.
Battery capacity:
300 ma/h, typical.
Battery talk time:
Up to 8 hours.
Battery lifetime:
Minimum 1000 charge cycles.
Battery standby time:
At least 36 hours.

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Operating temperature range:
-20˚C to +60˚C.
Battery charge time:
20% charge in less than 20 minutes.
50% charge in less than 45 minutes.
Full charge in less than 3 hours.
Battery shelf life:
headset battery holds charge for 6 months in the off state, before recharge is required.
7.3 VT 9400 DECT BASE
VT 9400 DECT base meets the following specifications.
Dimensions:
97mm x 75 mm x 120 mm。
Wireless standard:
(CAT - IQ) European DECT and U.S.DECT.
Operating environment:
-0˚C to +40˚C; Up to 95% Rh non-condensing.
Recharge cradle:
Fits supplied VT 9400 DECT series headset.
Desk Phone connections:
RJ-11 for handset, RJ-11 for phone body (or headset port), RJ-45 for AUX (for VT Link or lifter).
Clear Dial tone switch and microphone volume switch:
electromechanical switches. Clear dial tone switch and microphone volume level set manually.
7.4 PRODUCT DISPOSAL
Please dispose of the headset according to local regulations and recycle when possible. Do not dispose as
household waste. Do not dispose of the headset in a fire as the battery may explode. batteries may also
explode if damaged.

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7.5 FCC NOTICE TO USERS
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and (2) this device must accept any interference
received, including interference that may cause undesired operation.
Note: This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that interference will not occur in
a particular installation. If this equipment does cause harmful interference to radio or television
reception, which can be determined by turning the equipment off and on, the user is encouraged to try to
correct the interference by one or more of the following measures:
—Reorient or relocate the receiving antenna.
—Increase the separation between the equipment and receiver.
—Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
—Consult the dealer or an experienced radio/TV technician for help.
Specific Absorption Rate (SAR) information
SAR tests are conducted using standard operating positions accepted by the FCC with the device
transmitting at its highest certified power level in all tested frequency bands, although the SAR is
determined at the highest certified power level, the actual SAR level of the device while operating
can be well below the maximum value. Before a new product is a available for sale to the public,
it must be tested and certified to the FCC that it does not exceed the exposure limit established by
the FCC, tests for each phone are performed in positions and locations as required by the FCC.
For headset, this part has been tested and meets the FCC RF exposure guidelines when used with
an accessory designated for this product or when used with an accessory that contains no metal.
For baseband, this equipment complies with FCC radiation exposure limits set forth for an uncontrolled
environment .This equipment should be installed and operated with minimum distance 20cm between the
radiator& your body.
7.6 IC NOTICE TO USERS
This equipment complies with ISEDC RF radiation exposure limits set forth for an uncontrolled
environment. This transmitter must not be co-located or operating in conjunction with any other antenna
or transmitter.
Après examen de ce matériel aux conformité ou aux limites d’intensité de champ RF,
les utilisateurs peuvent sur l’exposition aux radiofréquences et la conformité and compliance
d’acquérirles informations correspondantes.