12n EmergencyPlaces the transceiver into Emergency mode. Emergency mode is used to carryout emergency actions.Note:◆ This function can be programmed only on the key.n Home ChannelPress this key to immediately select your home channel.n Home Channel SelectHold down this key to set the current channel as the Home Channel.n Fixed VolumeCycles the various tone levels of the transceiver between low, high, and off.n External SpeakerToggles Optional External Speaker ON and OFF.n Horn AlertEnables the Horn Alert terminal when a call is received. It activates the carheadlights and horn to alert you of the incoming call when you are away from thetransceiver.n LED BrightnessAdjust the he display brightness between High, Low, and Off.n Lone WorkerToggles Lone Worker mode ON and OFF.n MonitorTurns the transceiver signaling off, to listen to all calls that are received on thechannel. Press this key again to turn the transceiver signaling back on.n Monitor MomentaryTurns the transceiver signaling off while holding down this key. Release this key toturn the transceiver signaling back on. While signaling is off, you can listen to allcalls that are received on the channel.n OVCMToggles OVCM (Open Voice Channel Mode) between ON and OFF.n Paging CallTo transmit your PTT ID list, to request a call.n Priority-channel SelectEnters the Priority-channel Select mode.