Icom IC-M304, iM304

rPush [Y]or [Z] to select the desired intership channel,

and push [DSC].

• Channel 70 is selected and “ ” appears.

tPush [DSC] to transmit the Group call.

•If Channel 70 is busy, the transceiver stands by until the channel

becomes clear.

•Routine category only is available.

yAfter the Group call has been transmitted, the display

changes to the previously speciﬁed channel.

uPush and hold [PTT]to communicate your message to the

responding ship.

Scrolls

While transmitting

6DSC OPERATION

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