IMPORTANT .............................................. i
IN CASE OF EMERGENCY ...................... i
TABLE OF CONTENTS ............................ ii
CAUTIONS ............................................... iii
1 OPERATING RULES .................. 1
2 PANEL DESCRIPTION .......... 2–5
■Panel description ............................ 2
■Function display .............................. 4
■Microphone ..................................... 5
3 BASIC OPERATION ............ 6–10
■Channel selection ........................... 6
■Microphone lock function ................ 7
■Receiving and transmitting ............. 8
■Call channel programming .............. 9
■Channel names .............................. 9
■Optional voice scrambler
operation ....................................... 10
4 DUALWATCH/TRI-WATCH ....... 11
■Description .................................... 11
■Operation ...................................... 11
5 SCAN OPERATIONS ......... 12–13
■Scan types .................................... 12
■Setting tag channels ..................... 13
■Starting a scan .............................. 13
6 DSC OPERATION .............. 14–28
■MMSI code programming ............. 14
■Position and time programming .... 14
■Position indication ......................... 15
■Distress call .................................. 16
■Transmitting DSC calls ................. 17
■Setting the distress information .... 21
■DSC individual ID ......................... 22
■Receiving DSC calls ..................... 23
■DSC set mode .............................. 26
■Receive messages ....................... 28
7 INTERCOM OPERATION ......... 29
■Intercom operation ........................ 29
8 SET MODE ........................ 30–33
■Set mode programming ................ 30
■Set mode items ............................. 31
9 CONNECTIONS AND
MAINTENANCE ................. 34–39
■Supplied accessories .................... 34
■Antenna ........................................ 34
■Fuse replacement ......................... 34
■Cleaning ....................................... 34
■Connections .................................. 35
■Mounting the transceiver .............. 36
■Optional unit installation ............... 38
■Dimensions.................................... 39
10 TROUBLESHOOTING .............. 40
11 CHANNEL LIST ........................ 41
12 SPECIFICATIONS AND
OPTIONS ........................... 42–43
■Specifications ............................... 42
■Options ......................................... 43
13 HM-127 REMOTE-CONTROL
MICROPHONE ................... 44–56
■Panel description .......................... 44
■Function display ............................ 46
■HM-127 supplied accessories ...... 47
■Installation .................................... 48
■Channel selection ......................... 50
■Receiving and transmitting ........... 51
■RF attenuator function .................. 51
■Lock functions ............................... 52
■Display backlighting ...................... 52
■Monitor function ............................ 52
■Call channel programming ............ 53
■Optional voice scrambler
operation ....................................... 53
■Starting a scan .............................. 54
■Setting tag channels ..................... 54
■Dualwatch/Tri-watch operation ..... 54
■Set mode programming ................ 55
■Intercom operation ........................ 56
■Channel names ............................ 56
TEMPLATE
ii
TABLE OF CONTENTS
