SERVICEMANUALVHF MARINE TRANSCEIVERS-14225HZ-C1-qDec. 2006

Icom IC-M504 Service Manual

explicit definitions

in case of emergency

OPERATING RULES

PANEL DESCRIPTION

Function display

Microphone

BASIC OPERATION

weather channels

Receiving and transmitting

Call channel programming

Channel comments

Optional voice scrambler operation

SCAN OPERATION

Setting TAG channels

DUALWATCH/TRI-WATCH

DSC OPERATION

MMSI code check

DSC address ID

d deleting individual id

d programming group id

d deleting group id

position and time programming

position and time indication

Distress call

d regular call

transmitting dsc calls

d transmitting a group call

d transmitting an all ships call

d transmitting a position request call

Receiving DSC calls

d receiving an individual call

d receiving a position request call

d receiving a polling request call

Received messages

d other messages

dsc set mode

other functions

RX Speaker function

Hailer operation

Set mode programming

weather alert

set mode

Connections

Fuse replacement

Mounting the transceiver

MB-75 installation

UT-112 installation

troubleshooting

Specifications

Options

CHANNEL LIST

TEMPLATE

FCC INFORMATION

IC-M504

panel description

function display

basic operation

receiving and transmitting

call channel programming

channel comments

optional voice scrambler operation

scan operation

setting tag channels

dsc operation

mmsi code check

dsc address id

distress call

receiving dsc calls

received messages

nmea output

rx speaker function

hailer operation

connections and maintenance

supplied accessories

mounting the transceiver

TROUBLESHOOTING

specifications and options

channel list

AF UNIT

MAIN UNIT

RECEIVER CIRCUITS

TRANSMITTER CIRCUITS

PLL CIRCUITS

DSC CIRCUITS

PORT ALLOCATIONS

PREPARATION

FREQUENCY ADJUSTMENT

TRANSMIT ADJUSTMENT

RECEIVE ADJUSTMENT

logic board

AF UNIT]

VR BOARD

HM-126B/G