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English  GN9120/GN9125 reference guide
This reference guide provides you with additional information on setting up, using and maintaining your GN9120/GN9125. Note: The illustrations in the reference guide refer to the Mono version (one earpiece), but also apply to the Duo version (two earpieces) and the GN9125.
Note: The battery charging indicator on the base unit will flash continuously during charging and be lit when the battery is fully charged.
Contents
1. ProductInformation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Verify the assembly of your GN9120/GN9125 Battery charging and use
2. Features and customisation
Multifunctionbutton The multifunction button enables several functions, depending on how long the button is pressed for. Functions Answer/make call* End call* Conference mode Tone control adjustment Pressmomentarily (MFB and "Â" simultaneously) (MFB and "+" simultaneously) Pressfor5sec. Pressfor6sec.
2. Featuresandcustomisation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Multifunction button Functionality of the + and  buttons Positioning of microphone
3. Remotehandsetliftingfunctionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Answering and making telephone calls with GN1000 or Electronic Hook Switch GN9120/GN9125 with Electronic Hook Switch (EHS)
Low power mode on (European versions only) Low power mode off (European versions only) * Only with GN1000 or EHS mode
4. Audioandvisualindicators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 5. Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 6. Reconfiguration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Replacing the battery Memory reset Registering a new master headset
Functionalityofthe+andÂbuttons The + and  buttons enable several functions, depending on how long the button is pressed for. Functions Volume + Pressmomentarily Press "Â" twice within 1 sec. "+"/"Â" simultaneously to enter mode, then "+" or  for adjusting Presstwicewithin1sec.
7. Cleaning,safetyandmaintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
1. Product information
Congratulations on purchasing the GN9120/GN9125. The GN9120/GN9125 is a wireless headset solution, made up of a cordless headset and a base unit that is connected to your desk telephone. The GN9120/GN9125 gives you full mobility, hands-free convenience and superior sound quality for your telephone conversations. VerifytheassemblyofyourGN9120/GN9125 When removing the headset from the base unit, the green link-up indicator on the front of the base unit will light and the on-line indicator on the headset will flash. If the green link-up indicator does not light, check the wiring connections on the base unit and ensure that the power adapter is connected. If the on-line indicator on the headset does not flash continuously, replace the headset in the base unit and remove it again. Batterycharginganduse When not in use, place the headset in the base unit to charge the battery. Ensure the link-up indicator is not lit. If the link-up indicator is lit after placing the headset, remove the headset from the base unit and place it in the base again. If battery charge is too low, a beep will be heard in the headset every 20 seconds.
Volume  Mute / un-mute Transmit volume adjustment
Positioningofmicrophone Adjust the boom arm of your headset so that the microphone is positioned in the direction of your mouth, as close as possible to your mouth. Note: The boom arm cannot be rotated a full 360 degrees. Do not force the boom arm when it cannot be rotated any further.
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3. Remote handset lifting functionality
AnsweringandmakingtelephonecallswithGN1000 You may purchase a GN1000 as an accessory, which lets you answer and end telephone calls while away from your desk. Please contact your vendor or visit www.jabra.com for further information. ToansweracallusingtheGN1000orelectronichookswitch functionality: 1. Remove the headset from the base unit when you receive a call. The link will be established and the on-line indicator on the front of the base unit will begin to flash. Note: If you are already wearing the headset, simply press the multifunction button on the headset momentarily to answer the incoming call. To end the call, press the multifunction button momentarily or place the headset in the base unit. MakingtelephonecallsusingtheGN1000orelectronichookswitchfunctionality: To make a telephone call using the GN1000: 1. Remove the headset from the base unit. The link will be established and the on-line indicator on the front of the base unit will begin to flash. 2. Dial the desired number. To end the call, press the multifunction button momentarily or place the headset in the base unit. Note: The connection cord must be connected to your telephone's handset port (not the headset port) in order for the GN1000 to function. GN9120/GN9125withElectronicHookSwitch(EHS) The GN9120/GN9125 comes in versions which enables you to answer and end calls while away from your desk  without using the GN1000. This is, however, only possible on certain telephone systems. In order to determine which telephones have the EHS feature enabled, please refer to our website www.jabra.com. Please also refer to your telephone's user manual for clarification. 3 modes are available: · The RHL interface (non-EHS; works with the GN1000) · The DHSG interface (for example, with Siemens and Elmeg desk telephones) · The AEI interface (for example, with Tenovis desk telephones) Note: By default, the EHS-version of the GN9120/GN9125 is set to the DHSG interface. TotogglebetweenDHSG,AEIandRHLinterface,completethefollowing: 1. Place the headset in the base with its on-line indicator facing you. 2. Press the volume + and volume  buttons on the headset simultaneously for 6 seconds while the  + headset is in the base, until the headset's on-line indicator flashes rapidly. 3. You are now in interface switching mode, and can set the GN9120/GN9125 to work with your telRHL DSHG AEI ephone's interface. . Using the volume + button to move right and the volume  button to move left, select the required EHS interface. The base unit's 3 indicators show which interface the GN9120/GN9125 is in. See the illustration to
determine the type of interface. Note: If more than 15 seconds elapses without pressing the volume + or volume  buttons, the last selected interface will be activated. 5. To exit the interface switching mode, press the volume + and volume  buttons simultaneously for 6 seconds. 6. Only with the GN1000: Complete the setting up procedure according to its Quick Guide.
4. Audio and visual indicators
The GN9120/GN9125's headset and base have audio and visual indicators, which represent various actions and aspects associated with setting up and operating the product. The headset gives audio and visual indications. The base gives various visual indications via its online, link and general indicators. Familiarize yourself with these indicators to fully benefit from your GN9120/GN9125. Theheadset'saudioindicators: Headsetaction Out of range Mute ON Low Battery Charge Adjusting Volume Maximum Volume reached Minimum Volume reached Tone control adjustment Adding a headset at conference call Incoming call Theheadset'svisualindicators: Headsetmode Low Power mode Transmit volume adjustment
Audioindication Beep every 10 sec. Beep every 15 sec. Beep every 20 sec. Low single tone per press Short beep Short beep Beep (indicating 6 sec. has passed) Beep in master headset Beep (only if using GN1000)
Headsetindicator Flashes rapidly when switching between modes Flashes rapidly when switching between modes
Volume button
Thebase'svisualindicators: Base'son-lineindicator Charging in Process Charging completed Mute Low Power Mode Adding a headset to conference call Link between headset and base EHS (Electronic Hook Switch) setting Pairing of Headset and Base
On a call Link icon Mute icon Charge icon
On-lineindicator Battery charging indicator flashes Battery charging indicator ON Mute indicator ON Link-up indicator flashes every 10 sec. All lights are flashing, followed by battery indicator ON Link-up indicator ON Please refer to separate section All lights are flashing for approx. sec., followed by battery indicator ON On-line indictor flashes
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5. Troubleshooting
Idonothearadialtone. · Check that all the cords and plugs are connected correctly. · Check that the power adapter is plugged in and has power. · Check that the on-line indicator is lit. If it is not, place the headset in the base unit and take it out again. · Check that the battery is charged. If the battery is fully charged, the battery charging indicator on the base unit will light when the headset is placed correctly in the base unit. ThepersonIamtalkingtohasdifficultieshearingme. · Check that the mute function is off. · Check the position of the boom arm and make sure that the microphone is placed as close as possible to your mouth. · Readjust the microphone volume. · You may be out of range of the headset's base unit. Move closer to the base unit. Mybatterycharginglightkeepsflashingandwillnotgosolid. Check the battery is correctly fitted inside the headset, and/or the headset is placed correctly in the base. IhavesetupmyGN9120/GN9125correctly,butIamgettingabuzzingsoundonmyheadset. Your telephone may not be fully immune to the radio transmission between your headset and base. To overcome this problem, move the base at least 30 cm/12" away from the phone. If you have a European version, you can instead choose to set the headset to Low Power mode. Thepersonontheotherendofthelinesayshe/shecannothearme. Ensure that the Telephone Termination Switch is in the correct position and that you have adjusted the Transmit Power. Please refer to the relevant section in the reference guide. WhenIpresstheMFBtheGN1000liftsbutthecallisnotconnected. When using your GN9120/GN9125 with a GN1000, make sure that the base is connected to the telephone's handset port and not the headset port. Please refer to the illustrations in the GN1000 Quick Guide. Myheadsetechoes. Make sure your telephone's volume control is set to a mid position or lower. If necessary, adjust your microphone volume on the headset to a lower setting IhaveaGN9120/GN9125,theversionwithbuilt-inElectronicHookSwitch,butitdoesn'twork withmytelephone Please make sure that the GN9120/GN9125 is compatible with your telephone system, and set the GN9120/GN9125 in the correct mode. For standard telephones and for use with GN1000, please make sure to put the GN9120/GN9125 in RHL mode. Myheadsetwasworkingbutnowithasstopped,noindicatorsarelit. Your headset may need pairing to the base. Refer to page 7 "Registering a new master headset" in this reference guide. Please visit www.jabra.com for further information and frequently asked questions.
6. Reconfiguration
Replacingthebattery The battery supplied with your GN headset will function for many years. When it needs to be replaced, please proceed as follows: 1. Remove the earhook/headband. 2. Unscrew the small plate, that holds the battery in place, and remove battery. 3. Insert a new battery into the battery compartment. Note: Ensure that the battery is correctly fitted into the headset and the plus pole on the battery is pointing to the + in the headset battery compartment. . Screw the plate back on. Fit the earhook/headband back on.
Memoryreset When the battery is removed or the power adapter is unplugged (for at least a few seconds), all customised headset settings are returned to factory-set default settings. Registeringanewmasterheadset A new master headset may be registered to the product in case of loss or damage to the original headset. To register a new master headset, complete the following: 1. Unplug the power adapter for a couple of seconds. 2. Place the new master headset into the base unit. 3. Plug the power adapter back to the power socket. . All lights flash for app. seconds. After this only the battery indicator will be lit. 5. The new headset is now ready for use.
7. Cleaning, safety and maintenance
Clean the headset, including the headset boom and ear hook piece, by wiping with a slightly damp cloth as required. Dampen the cloth wi ...