TM9100 Service Manual TMAA10-01 Desktop Microphone 445© Tait Electronics Limited August 200519 TMAA10-01 Desktop MicrophoneThe TMAA10-01 desktop microphone is an omnidirectionaldynamic microphone which can be used in dispatchsituations, where the microphone is positioned on a flatsurface. The desktop microphone plugs into the microphonesocket on the radio control head.The desktop microphone has an internal pre-amplifier and anadjustable sensitivity control on the underside of the desktopmicrophone base.19.1 OperationHold down the monitor key and check whether the channel is clear.If the channel is clear, press the PTT key to transmit. Speak clearly into themicrophone and release the PTT key when you have finished talking.Note The monitor key can be locked in the ‘on’ position. To do this,hold the monitor key down and slide the monitor key towardsyou. The monitor key should now be locked on.19.2 InstallationImportant The desktop microphone grommet must be installedwhenever the desktop microphone is plugged into themicrophone socket. When installed, the grommet has twofunctions:■ to prevent damage to the microphone socket whenthere is movement of the microphone cord, and■ to ensure that the control head is sealed against water,dust and other environmental hazards.1. Plug the microphone cord into the microphone socket on the radiocontrol head.2. Slide the grommet along the cord and push two adjacent corners of thegrommet into the microphone socket cavity.PTT key monitor keygrommetmicrophonebasegrilleTRANSMIT MONITOR
