65. TroubleshootingI do not hear a dial tone.• 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 thebase unit will light when the headset is placed correctly in the base unit.The person I am talking to has difficulties hearing me.• 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 possibleto your mouth.• Readjust the microphone volume.• You may be out of range of the headset’s base unit. Move closer to the base unit.My battery charging light keeps flashing and will not go solid.Check the battery is correctly fitted inside the headset, and/or the headset is placed correctly in thebase.I have set up my GN9120/GN9125 correctly, but I am getting a buzzing sound on my headset.Your telephone may not be fully immune to the radio transmission between your headset and base. Toovercome this problem, move the base at least 30 cm/12” away from the phone. If you have a Europeanversion, you can instead choose to set the headset to Low Power mode.The person on the other end of the line says he/she cannot hear me.Ensure that the Telephone Termination Switch is in the correct position and that you have adjusted theTransmit Power. Please refer to the relevant section in the reference guide.When I press the MFB the GN1000 lifts but the call is not connected.When using your GN9120/GN9125 with a GN1000, make sure that the base is connected to the telephone’shandset port and not the headset port. Please refer to the illustrations in the GN1000 Quick Guide.My headset echoes.Make sure your telephone’s volume control is set to a mid position or lower. If necessary, adjust yourmicrophone volume on the headset to a lower settingI have a GN9120/GN9125, the version with built-in Electronic Hook Switch, but it doesn’t workwith my telephonePlease make sure that the GN9120/GN9125 is compatible with your telephone system, and set theGN9120/GN9125 in the correct mode. For standard telephones and for use with GN1000, please makesure to put the GN9120/GN9125 in RHL mode.My headset was working but now it has stopped, no indicators are lit.Your headset may need pairing to the base. Refer to page 7 “Registering a new master headset” in thisreference guide.Please visit www.jabra.com for further information and frequently asked questions.