Icom IC-M304, iM304 CONNECTIONS AND MAINTENANCE

CONNECTIONS AND MAINTENANCE

■Connections

qEXTERNALSPEAKER LEAD

Connects to an external speaker.

wGPS RECEIVER LEAD

Connects to a GPS receiver for position indication.

•An NMEA0183 ver. 2.0 or 3.01 (sentence formatters RMC, GGA,

GNS, GLL) compatible GPS receiver is required. Ask your dealer

about suitable GPS receivers.

eDC POWER CONNECTOR

Connects the supplied DC power cable from this connector

to an external 13.8 V DC power source.

CAUTION:After connecting the DC power cable, GPS

receiver lead and external speaker lead, cover the con-

nector and leads with an adhesive tape as shown

below, to prevent water seeping into the transceiver.

rANTENNACONNECTOR

Connects a marine VHF antenna with a PL-259 connector

to the transceiver.

CAUTION: Transmitting without an antenna may dam-

age the transceiver.

Rubber vulcanizing

tape

Yellow: NMEA IN (+)

Green: NMEA IN ( )

Blue: Speaker (+)

Gray: Speaker ( )

Contents

Main FOREWORD D FEATURES IMPORTANT EXPLICIT DEFINITIONS IN CASE OF EMERGENCY NOTE USING DIGITALSELECTIVE CALLING DISTRESS CALL PROCEDURE USING CHANNEL 16 DISTRESS CALL PROCEDURE RADIO OPERATOR WARNING TABLE OF CONTENTS iv PRECAUTIONS OPERATING RULES DDPRIORITIES DDPRIVACY DDRADIO LICENSES Radio license for boaters (U.S.A. only) PANEL DESCRIPTION Front panel w q ertyui Microphone 2 Function display i !1 !0 BASIC OPERATION Channel selection Channel 16 Channel 9 (Call channel) 3 U.S.A.,Canadian and international channels Weather channels Receiving and transmitting CAUTION: re u rt 3 Call channel programming Channel comments Microphone lock function Display backlighting AquaQuake water draining function SCAN OPERATION Scan types SCAN OPERATION Setting TAG channels Starting a scan DUALWATCH/TRI-WATCH Description Operation Dualwatch Tri-watch DSC OPERATION MMSI code programming MMSI code check DSC address ID DProgramming address ID DDeleting address ID Position indication Distress call Transmitting DSC calls DTransmitting Individual call DTransmitting Individual acknowledgement DTransmitting Group call Page DTransmitting All Ships call DTransmitting Position Request call DTransmitting Position Report call Receiving DSC calls DReceiving a Distress call DReceiving a Distress acknowledgement DReceiving a Distress Relay call DReceiving an Individual call DReceiving a Group call DReceiving an All Ships call DReceiving a Geographical Area call DReceiving a Position Request call DReceiving a Position Report call DReceiving a Position Reply call DReceiving a Position Report Reply call SET MODE Set mode programming DSet mode construction DSet mode operation SET MODE Set mode items DScan type DDScan resume timer DDWeather alert DDDual/Tri-watch 7 DDDSC watch DDBeep tone DDAutomatic acknowledgement DDFavorite channel CONNECTIONS AND MAINTENANCE Connections 8 Supplied accessories Antenna Fuse replacement Cleaning Mounting the transceiver DDUsing the supplied mounting bracket Optional MB-92 attachment 8 Optional MB-69 installation TROUBLESHOOTING CHANNEL LIST SPECIFICATIONS AND OPTIONS Specications General Transmitter Receiver 11 MB-69 DDDimensions Options FLUSHMOUNT KIT For mounting the transceiver to a panel. MB-92 TEMPLATE