FOREWORD ............................................. i
IMPORTANT .............................................. i
IN CASE OF EMERGENCY ...................... ii
NOTE ........................................................ ii
RADIO OPERATOR WARNING ............... iii
TABLE OF CONTENTS ........................... iv
PRECAUTION .......................................... v
EXPLICIT DEFINITIONS .......................... v
1 OPERATING RULES .................. 1
2 PANEL DESCRIPTION........... 2 – 5
■Front panel ..................................... 2
■Function display .............................. 4
■Microphone...................................... 5
3 BASIC OPERATION ............ 6 – 10
■Channel selection ........................... 6
■Receiving and transmitting ............. 8
■Call channel programming .............. 9
■Channel comments ......................... 9
■
Optional Voice scrambler operation .. 10
4
DUALWATCH/TRI-WATCH
......... 11
■Description .................................... 11
■Operation ...................................... 11
5 SCAN OPERATION ........... 12 – 13
■Scan types .................................... 12
■Setting tag channels ..................... 13
■Starting a scan .............................. 13
6 DSC OPERATION .............. 14 – 35
■MMSI code programming ............. 14
■DSC individual ID ......................... 14
■Position and Time programming ... 16
■Position/Time indication ................ 17
■Distress call .................................. 18
■Transmitting DSC calls ................. 21
■Receiving DSC calls ..................... 29
■Received messages ..................... 32
■DSC Set mode .............................. 34
7 OTHER FUNCTIONS .......... 36–37
■Intercom operation ........................ 36
■Microphone lock function .............. 37
8 SET MODE ........................ 38 – 41
■Set mode programming ................ 38
■Set mode items ............................. 39
9 CONNECTIONS AND
MAINTENANCE ................. 42 – 47
■Supplied accessories .................... 42
■Antenna ........................................ 42
■Fuse replacement ......................... 42
■Cleaning ....................................... 42
■Connections .................................. 43
■Mounting the transceiver .............. 44
■Optional unit installation ............... 46
■Dimensions ................................... 47
10 TROUBLESHOOTING .............. 48
11 CHANNEL LIST ........................ 49
12 SPECIFICATIONS AND
OPTIONS ........................... 50 – 51
■Specifications ............................... 50
■Options ......................................... 51
13 HM-127 REMOTE-CONTROL
MICROPHONE ................... 52 – 66
■Panel description .......................... 52
■Function display ............................ 54
■Channel selection ......................... 56
■Receiving and transmitting ........... 57
■Lock functions ............................... 58
■Display backlighting ...................... 58
■Monitor function ............................ 59
■RF attenuator function .................. 59
■Call channel programming ............ 59
■
Optional Voice scrambler operation .. 60
■Dualwatch/Tri-watch operation ..... 60
■Starting a scan .............................. 61
■Setting tag channels ..................... 61
■Set mode programming ................ 62
■Intercom operation ........................ 63
■Channel comments ....................... 63
■HM-127 supplied accessories ...... 64
■Installation .................................... 65
TEMPLATE
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