14Advanced OperationCom Mode Stuck MicThe SL30 helps protect you from a situation where the microphone may get stuck in theON or Transmit position. If the microphone is keyed for longer than 35 seconds, the SL30will return to the receive mode on the selected frequency.A “Stuck Mic” message will display until the transmit key is released.Note: In an emergency situation, if the “Stuck Mic” message remains after youhave stopped keying the mic, turn the power off and then back on. You will thenget another 35 second time-out period to transmit.Intercom FunctionWhen two headphone and microphone jacks are connected to the SL30. Headsets can beused in conjunction with the internal voice-activated intercom.When you select the Intercom function with the installed selector switch, the intercomfunction is enabled. The Volume control may control the headphone listening level. See theSystem Mode information for setting up the Mic squelch, transmitting mic, and Intercomvolume.