Icom IC-F3021T Instruction Manual

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Icom IC-F3021T Instruction Manual Manual pdf 12 page image

82 PANEL DESCRIPTION■ Programmable function keys (Continued)CALL KEYSPush to transmit a 2-tone.• Call transmission is necessary before you call another stationdepending on your signaling system.• [Call A] and/or [Call B] may be available when your system employsselective ‘Individual/Group’ calls. Ask your dealer which call isassigned to each key.LONE WORKER KEYPush to turn the Lone Worker function ON or OFF.• If the Lone Worker function is activated, the Emergency function isautomatically turned ON after the specified time period has passedwith no operation is performed.EMERGENCY KEYSPush and hold to transmit the emergency call.• The transceiver can transmit the emergency call silently or audiblydepending on the pre-setting. Ask your dealer for details.• When the emergency call transmits with beeps, the emergency textis displayed on the LCD if programmed.• If you want to cancel the emergency call, push and hold the keyagain before transmitting the call.• The emergency call is transmitted one time only or repeatedly untilreceiving a control code, depending on the pre-setting.SURVEILLANCE KEYPush to turn the surveillance function ON or OFF.When this function is turned ON, the beep is not emitted andthe LCD backlight does not light when a signal is received ora key is pushed, etc.SIREN KEYPush to emit a siren.TX CODE CHANNEL SELECT KEYPush to enter the ID code channel selection mode directly.Then set the desired channel using [CH Up]/[CH Down].(p. 12)TX CODE CHANNEL UP/DOWN KEYSPush to select a TX code channel directly.SCRAMBLER FUNCTIONPush to toggle the voice scrambler function ON and OFFUSER SET MODE KEY➥ Push and hold for 1 sec. to enter the User Set mode.• During in the User Set mode, push this key to select an item thatis enabled by your dealer, and change the value or condition bypushing [CH Up] or [CH Down].➥ Push and hold this key for 1 sec. again to exit the User Setmode.OPT OUT KEYSPush to control the output signal level of the optional ports inthe optional unit connector.OPT MOMENTARY KEYSControls the output signal level of the optional ports in theoptional unit connector while pushing and holding this key.