31Advanced OperationSystem ModeCom OptionsThe Com Options selection allows you to set up options available for Com radio operation.1. In the System mode rotate the LARGE knob to display the Com Options page. Press ENT.2. Rotate the LARGE knob to view the Com Options.RF Signal LevelThe RF Level function shows the relative signal strength of the active frequency. The valuewill change as signal conditions change. This information can be used by your dealer to ad-just the radio squelch break.Com Noise LevelThe Com Noise Level function shows the relative received noise level of the active fre-quency. The value will change as signal conditions change.Mic 1 and 2 SquelchThe input levels required to break squelch by the microphones are set by these values.Lower numbers indicate a higher input level necessary to break squelch. Turn the lARGeknob to view the option pages. Turn the SMAll knob to change the value. The range is from0 to 100.Transmit MicThe Transmit Microphone page allows you to control which microphone is permitted totransmit. You may choose Mic 1, 2, or both. To adjust the Transmit Mic control:1. In the Com Options selection, rotate the LARGE knob to display the Transmit Mic page.2. Rotate the SMALL knob to select MIC1, MIC2, or MIC1+MIC2.3. Select an appropriate frequency, key the transmitter, and talk into the microphones to check for theintended operation.