Icom IC-M421 User Manual

iv
New2001
TABLE OF CONTENTS
FOREWORD …………………………………………………………… i
IMPORTANT …………………………………………………………… i
EXPLICIT DEFINITIONS ……………………………………………… i
IN CASE OF EMERGENCY…………………………………………… ii
INSTALLATION NOTE ………………………………………………… ii
DOC …………………………………………………………………… iii
TABLE OF CONTENTS ……………………………………………… iv
PRECAUTION ………………………………………………………… v
1 OPERATING RULES ……………………………………………… 1
2 PANEL DESCRIPTION ………………………………………… 2–5
■ Panel description ………………………………………………… 2
■ Function display ………………………………………………… 4
■ Microphone ……………………………………………………… 5
3 BASIC OPERATION ………………………………………… 6–10
■ Channel selection ……………………………………………… 6
■ Receiving and transmitting……………………………………… 8
■ Call channel programming ……………………………………… 9
■ Channel comments …………………………………………… 10
■ Microphone lock function ……………………………………… 10
■ Display backlighting …………………………………………… 10
4 DUALWATCH/TRI-WATCH ……………………………………… 11
■ Description ……………………………………………………… 11
■ Operation ……………………………………………………… 11
5 SCAN OPERATION ………………………………………… 12–13
■ Scan types ……………………………………………………… 12
■ Setting tag channels …………………………………………… 13
■ Starting a scan ………………………………………………… 13
6 DSC OPERATION …………………………………………… 14–44
■ MMSI code programming……………………………………… 14
■ MMSI code check ……………………………………………… 15
■ DSC individual ID ……………………………………………… 16
■ Position and time programming ……………………………… 20
■ Position and time indication…………………………………… 21
■ Distress call …………………………………………………… 22
■ Transmitting DSC calls ………………………………………… 25
■ Receiving DSC calls …………………………………………… 37
■ Received messages …………………………………………… 41
■ DSC Set mode ………………………………………………… 43
7 SET MODE …………………………………………………… 45–46
■ Set mode programming ……………………………………… 45
■ Set mode items ………………………………………………… 45
8 CONNECTIONS AND MAINTENANCE …………………… 47–50
■ Supplied accessories ………………………………………… 47
■ Antenna ………………………………………………………… 47
■ Fuse replacement ……………………………………………… 47
■ Cleaning ………………………………………………………… 47
■ Connections …………………………………………………… 48
■ Mounting the transceiver ……………………………………… 49
■ Optional MB-69 installation …………………………………… 50
9 TROUBLESHOOTING …………………………………………… 51
10 CHANNEL LIST ……………………………………………… 52–53
11 SPECIFICATIONS AND OPTION ……………………………… 54
■ Specifications…………………………………………………… 54
■ Option …………………………………………………………… 54
12 TEMPLATE ……………………………………………………… 55
DIMENSIONS ………………………………………………………… 57
!IC-M421-3.qxd 06.5.26 1:43 PM Page iv (1,1)

Icom IC-M421 Specifications

General

Brand	Icom
Model	IC-M421
Category	Transceiver
Language	English