 Receiving and transmittingCAUTION: Transmitting without an antenna may dam-age the transceiver.q Push [POWER] to turn power ON.w Set the audio and squelch levels.➥ Rotate [SQL] fully counterclockwise in advance.➥ Rotate [VOL] to adjust the audio output level.➥ Rotate [SQL] clockwise until the noise disappears.e To change the channel group, push [CH/WX•U/I/C] whilepushing [H/L]. (p. 9)r Rotate [CHANNEL] or push [YY]/[ZZ] on the microphone toselect the desired channel.• When receiving a signal, “BUSY” appears and audio is emittedfrom the speaker.• Further adjustment of [VOL] may be necessary.• Use the optional voice scrambler function for privacy. (p. 13)t Push [F], then push [6 LO/DX] to turn the receive attenua-tor function ON or OFF if necessary.• “LOCAL” appears when the receive attenuator is in use.y Push [H/L] to select the output power if necessary.• “25W” or “1W” appears when high or low power is selected, re-spectively.• Choose low power for short range communications, choose highpower for longer distance communications.• Some channels are for low power only.u Push and hold [PTT] to transmit, then speak into the mi-crophone.• “TX” appears.• Channel 70 cannot be used for transmission other than DSC.Simplex channels, 3, 21, 23, 61, 64, 81, 82 and 83 CAN-NOT be lawfully used by the general public in U.S.A. wa-ters.i Release [PTT] to receive.IMPORTANT: To maximize the readability of your trans-mitted signal, pause a few sec. after pushing [PTT], holdthe microphone 1 to 2 inches (2.5 to 5 cm) from yourmouth and speak at a normal voice level.WATERPROOFVOLiM602VHF MARINEMICU/I/C 9SQL16/9we tq rry u i3 BASIC OPERATION10

instruction manual

explicit definitions

in case of emergency

OPERATING RULES

PANEL DESCRIPTION

I Function display

BASIC OPERATION

I Receiving and transmitting

I Call channel programming

DUALWATCH/TRI-WATCH

SCAN OPERATION

DSC OPERATION

I Position and Time programming

I Position/Time indication

I Distress call

I Transmitting DSC calls

I Receiving DSC calls

I Received messages

dsc set mode

OTHER FUNCTIONS

I Hailer operation

I Automatic fog horn

SET MODE

I Set mode items

Set Mode-

CONNECTIONS AND MAINTENANCE

I Connections

I Mounting the transceiver

I Optional unit installation

TROUBLESHOOTING

CHANNEL LIST

SPECIFICATIONS AND OPTIONS

MICROPHONE

I HM-127 supplied accessories

I Installation

I Channel selection

I Lock functions

I Starting a scan

I Set mode programming

TEMPLATE

Icom IC-M602 Instruction Manual

I Panel description

panel description 2

PANEL DESCRIPTION .......... 2

BASIC OPERATION ............ 8

I Description

I Operation

I Scan types

I Setting tag channels

I MMSI code programming

I Position indication

dsc operation

I Setting the distress information

I DSC individual ID

I Intercom operation

I Microphone lock function

I Supplied accessories

I Dimensions

channel list

SPECIFICATIONS AND

I Options

i rf attenuator function

I Optional voice scrambler operation

I Channel comments

IC-M602

vhf marine channel list

circuit description

transmitter circuits

pll circuits

logic circuits

pll adjustments

receiver adjustments

logic board

main unit

mechanical parts and disassembly

SCAN OPERATIONS

MAINTENANCE

i panel description