Icom IC-M423 User Manual

vii
TABLE OF CONTENTS
FOREWORD .........................................................................i
IMPORTANT ..........................................................................i
EXPLICIT DEFINITIONS ....................................................... i
IN CASE OF EMERGENCY ................................................. ii
RADIO OPERATOR WARNING .......................................... iii
AVERTISSEMENT POUR LES OPÉRATEURS RADIO ...... iv
FCC INFORMATION ............................................................v
NOTE .................................................................................... v
PRECAUTIONS ................................................................... vi
TABLE OF CONTENTS ...................................................... vii
1 OPERATING RULES .......................................................1
2 PANEL DESCRIPTION ................................................2−7
Front panel ■ ...................................................................2
Function display ■ ...........................................................5
Speaker Microphone ■ ....................................................7
Softkey function ■ ............................................................7
3 PREPARATION................................................................8
MMSI code programming ■ .............................................8
4 BASIC OPERATION ..................................................9−16
Channel selection ■ ........................................................9
Receiving and transmitting ■ .........................................11
Call channel programming ■ .........................................13
Channel name programming ■ ......................................13
Microphone Lock function ■ ..........................................14
Adjusting the volume level ■ ..........................................15
Adjusting the squelch level ■ .........................................15
Adjusting the display backlight level ■ ...........................16
AquaQuake water draining function ■ ...........................16
5 SCAN OPERATION .................................................17−18
Scan types ■ .................................................................17
Setting ■ Favorite channels ...........................................18
Starting a scan ■ ...........................................................18
6 DUALWATCH/TRI-WATCH ............................................19
Description ■ .................................................................19
Operation ■ ...................................................................19
7 DSC OPERATION ...................................................20−71
DSC address ID ■ ........................................................20
Position and time programming ■ ..................................23
Distress call ■ ................................................................24
Transmitting DSC calls ■ ...............................................28
Receiving DSC calls ■ ..................................................51
Received Call log ■ .......................................................63
Transmitted Call log ■ ....................................................65
DSC Settings ■ .............................................................66
Making an Individual call using an AIS transponder ■ ..70
8 OTHER FUNCTIONS ...............................................72−74
Intercom operation ■ .....................................................72
RX Speaker function ■ ..................................................73

Icom IC-M423 Specifications

General

Brand	Icom
Model	IC-M423
Category	Transceiver
Language	English