PANEL DESCRIPTION 2

q EXTERNAL SPEAKER AND MICROPHONE JACKS

Connect an optional speaker-microphone or headset, if desired.

w VOLUME CONTROL [VOL]

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Rotate clockwise to increase and counterclockwise to decrease volume.

e PTT SWITCH [PTT]

Push and hold to transmit; release to receive.

r MODE SWITCH [MODE]

Push to enter and select set mode for group (p. 12) and voice scrambler code. (p. 16)

Push and hold for 1 sec. to turn the monitor function ON and OFF. (p. 8)

t CHANNEL UP SWITCH [Y]

Push to increment the operating channel.

Push and hold to increment the operating channel continu- ously.

While scanning, changes scanning direction. (p. 14)

y CHANNEL DOWN SWITCH [Z]

Push to decrement the operating channel.

Push and hold to decrement the operating channel continu- ously.

While scanning, changes scanning direction. (p. 14)

u POWER SWITCH [PWR]

Push to turn the power ON.

Push and hold this key to toggle the key lock function ON/OFF. (p. 19)

iEXTERNAL DC IN JACK [DC 6V] (p. 6)

Connects the optional AC adapter or cigarette lighter cable for both operation and battery charging.

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Socket Mobile IC-4088A External Speaker and Microphone Jacks, Volume Control VOL, PTT Switch PTT, Mode Switch Mode