FOREWORD ............................................. i
IMPORTANT .............................................. i
IN CASE OF EMERGENCY ...................... ii
NOTE ........................................................ ii
RADIO OPERATOR WARNING ............... iii
TABLE OF CONTENTS ........................... iv
PRECAUTION .......................................... v
1 OPERATING RULES .................. 1
2 PANEL DESCRIPTION .......... 2 –7
■ Panel description ............................ 2
■ Function display .............................. 6
■ Microphone (HM-136) ..................... 7
3 BASIC OPERATION ............ 8– 13
■ Channel selection ........................... 8
■ Receiving and transmitting ........... 10
■ Call channel programming ............ 11
■ Channel comments ....................... 11
■
Optional voice scrambler operation ... 13
4
DUALWATCH/TRI-WATCH
... 14–15
■ Description .................................... 14
■ Operation ...................................... 15
5 SCAN OPERATIONS ......... 16 –17
■ Scan types .................................... 16
■ Setting tag channels ..................... 17
■ Starting a scan .............................. 17
6 DSC OPERATION .............. 18 –39
■ MMSI code programming ............. 18
■ Position and time programming .... 18
■ Position indication ......................... 19
■ Distress call .................................. 20
■ Transmitting DSC calls ................. 22
■ Setting the distress information .... 30
■ DSC individual ID ......................... 31
■ Receiving DSC calls ..................... 34
■ DSC set mode .............................. 36
■ Received messages ..................... 38
7 OTHER FUNCTIONS .......... 40–46
■ Intercom operation ........................ 40
■ Hailer operation ............................ 41
■ Automatic fog horn ........................ 42
■ Microphone lock function .............. 43
8 SET MODE ........................ 44– 47
■ Set mode programming ................ 44
■ Set mode items ............................. 45
9 CONNECTIONS AND
MAINTENANCE ................. 48 –53
■ Supplied accessories .................... 48
■ Antenna ........................................ 48
■ Fuse replacement ......................... 48
■ Cleaning ....................................... 48
■ Connections .................................. 49
■ Mounting the transceiver .............. 50
■ Optional unit installation ............... 52
■ Dimensions ................................... 53
10 TROUBLESHOOTING .............. 54
11 CHANNEL LIST ........................ 55
12 SPECIFICATIONS AND
OPTIONS ........................... 56 –57
■ Specifications ............................... 56
■ Options ......................................... 57
13 HM-127 REMOTE-CONTROL
MICROPHONE ................... 58 –70
■ Panel description .......................... 58
■ Function display ............................ 60
■ HM-127 supplied accessories ...... 61
■ Installation .................................... 62
■ Channel selection ......................... 64
■ Receiving and transmitting ........... 65
■ RF attenuator function .................. 65
■ Lock functions ............................... 66
■ Display backlighting ...................... 66
■ Monitor function ............................ 66
■ Call channel programming ............ 67
■
Optional voice scrambler operation ... 67
■ Starting a scan .............................. 68
■ Setting tag channels ..................... 68
■ Dualwatch/Tri-watch operation ..... 68
■ Set mode programming ................ 69
■ Intercom operation ........................ 70
■ Channel comments ....................... 70
TEMPLATE
iv
TABLE OF CONTENTS
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2
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5
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7
8
9
10
11
12
13
