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

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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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Contents I4088A Foreword Supplied Accessory Precaution Precaution Table of Contents BP-202 Alkaline cells Battery installationSwitches, controls, keys and connectors Panel DescriptionSpeaker PTT Switch PTT Volume Control VOLMode Switch Mode Channel UP Switch YGroup Number Indicator KEY Lock IndicatorChannel Number Indicator 0TRANSMIT Indicator Appears during PTT onBattery Charging Battery cautionRecycling information U.S.A. only Regular charging with the BC-149A, CP-18A Charging connectionsAC adapter AD-105 BC-119N Not used IC-4088A BP-202 Turn the power OFFPower on Adjusting the volumeBasic Operation Selecting the operating channel Receive and Transmit Talk Range Setting the group code Group Mode CtcssFreq Ctcss code tableStarting the scan Scan FunctionRing Functions Smart-RingCall-Ring Entering initial set mode Initial set modeOther Functions Voice scrambler functionAuto power OFF timer Time-out timerBeep tones ON/OFF Scan resume typeLCD backlight Ring tone typeLock function ‘ Auto power saveATS Automatic Transponder System ‘ Resetting the transceiverSwitch action PTT switch Lock switchOptional HM-75A functions General SpecificationsChannel number and group number Channel frequency listCH Freq.MHz HM-46/HM-75A/HM-131 Speaker Microphones OptionsMemo 6274D-1US- w