Icom IC-M504A Instruction Manual page 5

TABLE OF CONTENTS
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 ...........................................................2–5
■ Front panel ...............................................................................2
■ Function display .......................................................................4
■ Speaker Microphone ................................................................5
3 BASIC OPERATION .............................................................6–11
■ Channel selection.....................................................................6
■ Receiving and transmitting .......................................................8
■ Call channel programming .......................................................9
■ Channel comments ..................................................................9
■ Microphone Lock function ......................................................10
■ Display backlight ....................................................................10
■ Optional voice scrambler operation ........................................11
4 SCAN OPERATION ............................................................12–13
■ Scan types .............................................................................12
■ Setting TAG channels ............................................................13
■ Starting a scan .......................................................................13
5 DUALWATCH/TRI-WATCH .......................................................14
■ Description .............................................................................14
■ Operation ...............................................................................14
6 DSC OPERATION ...............................................................15–47
■ MMSI code programming ......................................................15
■ DSC address ID .....................................................................16
■ Position and time programming .............................................18
■ Position and time indication ...................................................19
■ GPS information display ........................................................19
■ Distress call ...........................................................................20
■ Transmitting DSC calls ...........................................................23
■ Receiving DSC calls ..............................................................35
■ Received messages ..............................................................43
■ DSC Set up menu ..................................................................44
7 OTHER FUNCTIONS ..........................................................48–52
■ Intercom operation .................................................................48
■ RX Speaker function ..............................................................49
■ Hailer operation .....................................................................50
■ Automatic Foghorn function ...................................................51
8 SET MODE ..........................................................................53–55
■ Set mode programming .........................................................53
■ Set mode items ......................................................................53
9 CONNECTIONS AND MAINTENANCE..............................56–66
■ Connections ...........................................................................56
■ Antenna .................................................................................58
■ Fuse replacement ..................................................................58
■ Cleaning.................................................................................58
■ Supplied accessories .............................................................58
■ Mounting the transceiver .......................................................59
■ MB-75 installation ..................................................................60
■ UT-112/UT-98 installation .......................................................61
■ Microphone installation ..........................................................62
10 TROUBLESHOOTING ..............................................................67
11 SPECIFICATIONS AND OPTIONS .....................................68–69
■ Specifications.........................................................................68
■ Options ..................................................................................69
12 CHANNEL LIST ........................................................................70
13 TEMPLATE ...............................................................................71
14 FCC INFORMATION .................................................................73
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