iv
TABLE OF CONTENTS 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
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
NFront panel ...............................................................................2
NFunction display .......................................................................4
NSpeaker Microphone................................................................5
3 BASIC OPERATION ............................................................. 6–11
NChannel selection.....................................................................6
NReceiving and transmitting.......................................................8
NCall channel programming .......................................................9
NChannel comments ..................................................................9
NMicrophone Lock function ......................................................10
NDisplay backlight ....................................................................10
NOptional voice scrambler operation........................................11
4 SCAN OPERATION ............................................................12–13
NScan types.............................................................................12
NSetting TAG channels ............................................................13
NStarting a scan.......................................................................13
5 DUALWATCH/TRI-WATCH .......................................................14
NDescription.............................................................................14
NOperation...............................................................................14
6 DSC OPERATION...............................................................15–47
NMMSI code programming ......................................................15
NDSC address ID.....................................................................16
NPosition and time programming .............................................18
NPosition and time indication ...................................................19
NGPS information display ........................................................19
NDistress call ...........................................................................20
NTransmitting DSC calls...........................................................23
NReceiving DSC calls ..............................................................35
NReceived messages ..............................................................43
NDSC Set up menu..................................................................44
7 OTHER FUNCTIONS .......................................................... 48–52
NIntercom operation.................................................................48
NRX Speaker function..............................................................49
NHailer operation .....................................................................50
NAutomatic Foghorn function...................................................51
8 SET MODE..........................................................................53–55
NSet mode programming .........................................................53
NSet mode items......................................................................53
9 CONNECTIONS AND MAINTENANCE..............................56–66
NConnections...........................................................................56
NAntenna .................................................................................58
NFuse replacement..................................................................58
NCleaning.................................................................................58
NSupplied accessories.............................................................58
NMounting the transceiver .......................................................59
NMB-75 installation ..................................................................60
NUT-112/UT-98 installation.......................................................61
NMicrophone installation..........................................................62
10 TROUBLESHOOTING ..............................................................67
11 SPECIFICATIONS AND OPTIONS.....................................68–69
NSpecifications.........................................................................68
NOptions ..................................................................................69
12 CHANNEL LIST ........................................................................70
13 TEMPLATE ...............................................................................71
14 FCC INFORMATION .................................................................73