Icom IC-M422 Instruction Manual

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FOREWORD ……………………………… i
IMPORTANT ……………………………… i
EXPLICIT DEFINITIONS ………………… i
IN CASE OF EMERGENCY …………… ii
NOTE ……………………………………… ii
RADIO OPERATOR WARNING………… iii
TABLE OF CONTENTS ………………… iv
PRECAUTIONS ………………………… v
1 OPERATING RULES ………………… 1
2 PANEL DESCRIPTION …………… 2–4
■ Front panel ………………………… 2
■ Microphone ………………………… 3
■ Function display …………………… 4
3 BASIC OPERATION ……………… 5–9
■ Channel selection ………………… 5
■ Receiving and transmitting ……… 7
■ Call channel programming………… 8
■ Channel comments………………… 9
■ Microphone Lock function ………… 9
■ Display backlight …………………… 9
4 SCAN OPERATION …………… 10–11
■ Scan types ………………………… 10
■ Setting TAG channels …………… 11
■ Starting a scan …………………… 11
5 DUALWATCH/TRI-WATCH………… 12
■ Description ………………………… 12
■ Operation ………………………… 12
6 DSC OPERATION ……………… 13–29
■ MMSI code programming ……… 13
■ MMSI code check ………………… 13
■ DSC Address ID ………………… 14
■ Position indication………………… 15
■ Distress call ……………………… 16
■ Transmitting DSC calls…………… 17
■ Receiving DSC calls ……………… 26
7 OTHER FUNCTIONS ………… 30–31
■ Intercom operation ……………… 30
■ Public Address (PA) function …… 31
■ RX Speaker function …………… 31
8 SET MODE ……………………… 32–34
■ Set mode programming ………… 32
■ Set mode items …………………… 32
9 CONNECTIONS AND
MAINTENANCE ………………… 35–37
■ Connections ……………………… 35
■ Supplied accessories …………… 36
■ Antenna …………………………… 36
■ Fuse replacement ………………… 36
■ Mounting the transceiver ………… 36
■ Optional MB-69 installation ……… 37
10 TROUBLESHOOTING……………… 38
11 SPECIFICATIONS AND
OPTIONS …………………………… 39
■ Specifications …………………… 39
■ Options …………………………… 39
12 COMMANDMIC II™ HM-157 … 40–53
■ Panel description ………………… 40
■ Function display ………………… 42
■ Channel selection ………………… 44
■ Receiving and transmitting ……… 45
■ Call channel programming ……… 46
■ Lock functions …………………… 46
■ Display backlight ………………… 47
■ Monitor function…………………… 47
■ Dualwatch/Tri-watch operation … 47
■ Setting TAG channels …………… 48
■ Starting a scan …………………… 48
■ Set mode programming ………… 49
■ Intercom operation ……………… 50
■ Public Address function ………… 50
■ RX Speaker function …………… 50
■ Channel comments ……………… 51
■ HM-157 supplied accessories…… 51
■ Installation ………………………… 52
13 CHANNEL LIST …………………… 54
14 TEMPLATE ………………………… 55
TABLE OF CONTENTS
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Icom IC-M422 Specifications

General

Type	Radio microphone
Volume control	-
Noise reduction	Yes
Microphone sensitivity	12 dB
Microphone input impedance	50 Ω
Product color	White
Display type	LCD
Connectivity technology	Wired
Power consumption (typical)	4.5 W

Weight and Dimensions

Depth	193.3 mm
Width	164 mm
Height	78 mm
Microphone weight	1072 g