16 Installing the Radio TM9100 Mobiles: 110 W Mobile Installation Guide© Tait Electronics Limited October 20054.5 Installing the MicrophoneThis section describes the radio’s microphone connector and the informationrequired to connect the microphone and install the microphone clip.Important The microphone grommet must be installed whenever themicrophone is plugged into the microphone socket:■ 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.Connecting theMicrophone 1. Plug the microphone into the microphone socket.2. Slide the grommet along the microphone cord and push two adjacentcorners of the grommet into the microphone socket cavity.3. Squeeze the grommet and push the remaining corners into position.4. Check that the grommet is seated correctly in the cavity.Installing theMicrophone Clip Install the microphone clip in the most convenient location using the screwsprovided. The microphone must be within reach of the user but in such aposition that the PTT (press-to-talk) key cannot be inadvertently activatedor jammed.Warning!! Safe microphone mounting■ Mount the microphone where it will not interfere with:■ the deployment of passenger airbags■ the vehicle operator controls■ the vehicle operator’s view.Important Only install the microphone clip provided. If a non-standard microphone clip is used, the correct operation ofthe microphone hookswitch cannot be guaranteed.Figure 4.2 Correct microphone and remote cable grommet seatingmicrophonegrommetcontrol head