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 1
2
3
4
5
6
7
8
9
10
11
12
13
