Icom IC-M88 instruction manual Receiving and transmitting, Rotate VOL clockwise to turn power on

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4 BASIC OPERATION

Receiving and transmitting

CAUTION: Transmitting without an antenna may damage the transceiver.

qRotate [VOL] clockwise to turn power ON.

wUse the squelch function to mute any audio noise if necessary. After pushing the [SQL] for 1 sec., the squelch function is cut off until [SQL] is released. (default)

ePush [SQL] for 1 sec. (see the SET mode on p. 19), and rotate volume to set the audio output level.

r Push [Y]/[Z] to select the desired channel.

- When receiving a signal, “

” appears and audio is emitted

from the speaker.

 

IMPORTANT: To maximize the readability of your transmit- ted signal, pause a few sec. after pushing [PTT], hold the microphone 5 to 10 cm (2 to 4 inches) from your mouth and speak at a normal voice level.

NOTE: The transceiver has a power save function to con- serve the battery power and it cannot be turned OFF. The power save function activates automatically when no sig- nal is received for 5 sec.

For U.S.A version: To prevent accidental prolonged trans- mission, etc., the IC-M88 has a time-out timer function. This timer cuts a transmission OFF after 5 min. of continuous transmission.

- Further adjustment of [VOL] may be necessary at this point.

t Push [H/L•LOCK] to select the output power if necessary.

- “LOW” appears when low power is selected; “MID” appears

when middle power is selected; no indication when high power is

selected.

- Choose low power to conserve battery power, choose high

power for longer distance communications.

- Some channels are for low power only.

yPush and hold [PTT] to transmit, then speak into the microphone.

-“TX” appears.

-Channel 70 cannot be used for transmission (for GMDSS use). u Release [PTT] to receive.

yPush and hold to transmit

uRelease to receive

wOpening the squelch

qPower ON

eSet volume

r

Set channel

t Set output

power

 

 

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Contents IM88 Safety Training Information Clean the Transceiver Thoroughly with Fresh Case of EmergencyWord Definition Rwarning May occurEquipment damage may occur If disregarded, inconvenience only. No riskPrecaution Table of Contents Operating Rules PrioritiesPrivacy Radio licensesSupplied accessories Supplied Accessories and AttachmentsSwivel belt clip Flexible antenna HandstrapPanel Description Front, top and side panelsChannel UP/DOWN Switches Y/Z CHANNEL/WEATHER Channel Switch CH/WXU/I/C/LSquelch Switch SQL p 0PTT Switch PTTFunction display 3SUB Channel Readout 2DUPLEX Indicator4CHANNEL Number Readout Basic Operation Channel selectionChannel Channel 9 Call channelS.A., International and Canadian channels To change the channel group, push CH/WXU/I/C/L for 1 secRotate VOL clockwise to turn power on Receiving and transmittingAdjusting the squelch level Voice scrambler operationAutomatic backlighting Activating the scramblerCall channel programming Lock functionScan Operation Scan typesPriority Scan Normal ScanSetting tag channels Starting a scanDUALWATCH/TRI-WATCH DescriptionOperation DUALWATCH/TRI-WATCH SimulationLand Channel Operation Land Channel GroupSET Mode SET mode programmingSET mode operation Push SQLSET mode items Scan resume timer StBeep tone function bP Weather alert function ALMonitor switch action Sq Auto scan function ASDual/Tri-watch function dt Automatic backlighting bLLCD contrast selection LC Auto power save function PSSelf check function SC Battery voltage indicator bt Function Indication SwitchBattery Charging Battery chargingCharging connections EyeletOptional BP-226 battery case AD-100 installation Rapid charging with the BC-119N+AD-100 Optional battery chargersRapid charging with the BC-121N+AD-100 HM-138 Description SPEAKER-MICROPHONEAttachments Troubleshooting Problem Possible Cause SolutionVHF Marine Channel List USA INTSpecifications General ReceiverQuick Reference IM88Voice Scrambler p Options Count on us