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