TABLE OF CONTENTS

FOREWORD ……………………………… i

IMPORTANT ……………………………… i

EXPLICIT DEFINITIONS ………………… i

IN CASE OF EMERGENCY …………… ii

NOTE ……………………………………… ii

RADIO OPERATOR WARNING………… iii

TABLE OF CONTENTS ………………… iv

PRECAUTIONS ………………………… v

1OPERATING RULES ………………… 1

2PANEL DESCRIPTION …………… 2–4

■Front panel ………………………… 2

■Microphone ………………………… 3

■Function display …………………… 4

3BASIC OPERATION ……………… 5–9

■Channel selection ………………… 5

■ Receiving and transmitting ……… 7

■Call channel programming………… 8

■Channel comments………………… 9

■Microphone Lock function ………… 9

■Display backlight …………………… 9

4SCAN OPERATION …………… 10–11

■Scan types ………………………… 10

■Setting TAG channels …………… 11

■Starting a scan …………………… 11

5DUALWATCH/TRI-WATCH………… 12

■Description ………………………… 12

■Operation ………………………… 12

6 DSC OPERATION ……………… 13–29

■ MMSI code programming ……… 13

■MMSI code check ………………… 13

■DSC Address ID ………………… 14

■Position indication………………… 15

■Distress call ……………………… 16

■Transmitting DSC calls…………… 17

■Receiving DSC calls ……………… 26

7OTHER FUNCTIONS ………… 30–31

■Intercom operation ……………… 30

■Public Address (PA) function …… 31

■ RX Speaker function …………… 31

8SET MODE ……………………… 32–34

■Set mode programming ………… 32

■Set mode items …………………… 32

9CONNECTIONS AND MAINTENANCE ………………… 35–37

■Connections ……………………… 35

■Supplied accessories …………… 36

■Antenna …………………………… 36

■Fuse replacement ………………… 36

■Mounting the transceiver ………… 36

■Optional MB-69 installation ……… 37

10TROUBLESHOOTING……………… 38

11SPECIFICATIONS AND

OPTIONS …………………………… 39

■Specifications …………………… 39

■Options …………………………… 39

12 COMMANDMIC II™ HM-157 … 40–53

■Panel description ………………… 40

■Function display ………………… 42

■Channel selection ………………… 44

■Receiving and transmitting ……… 45

■Call channel programming ……… 46

■Lock functions …………………… 46

■Display backlight ………………… 47

■Monitor function…………………… 47

■Dualwatch/Tri-watch operation … 47

■Setting TAG channels …………… 48

■Starting a scan …………………… 48

■Set mode programming ………… 49

■Intercom operation ……………… 50

■Public Address function ………… 50

■ RX Speaker function …………… 50

■Channel comments ……………… 51

■HM-157 supplied accessories…… 51

■Installation ………………………… 52

13 CHANNEL LIST …………………… 54

14 TEMPLATE ………………………… 55

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