Users Manual

Contents
Preface ................................................................................ viii
Before operation ................................................................ ix
Handling precaution .......................................................... xi
DISTRESS ALERTS ........................................................... xiv
Equipment exterior ........................................................ xvii
Glossary of terms .......................................................... xxiii
1. EQUIPMENT OVERVIEW ............................................... 1-1
1.1 Functions ........................................................................................................................... 1-1
1.2 Features ............................................................................................................................ 1-1
1.3 Basic configuration ............................................................................................................ 1-2
1.3.1 Basic configuration of the main unit ............................................................................ 1-2
1.3.2 Options ........................................................................................................................ 1-2
1.3.3 System configuration .................................................................................................. 1-3
1.4 External dimensions .......................................................................................................... 1-4
1.5 Block diagram .................................................................................................................... 1-16
2. NAMES AND FUNCTIONS ............................................ 2-1
2.1 Main unit (JHS-800S) and Controller (NCM-980) ............................................................. 2-1
2.2 Main displays ..................................................................................................................... 2-2
2.2.1 Status display .............................................................................................................. 2-2
2.2.2 Operating screen ........................................................................................................ 2-6
2.2.3 Menu screen ............................................................................................................... 2-8
3. INSTALLATION .............................................................. 3-1
4. OPERATION .................................................................. 4-1
4.1 Operation overview ............................................................................................................ 4-1
4.2 Basic communication procedure ....................................................................................... 4-3
4.2.1 Turning ON the power ................................................................................................. 4-3
4.2.2 Turning OFF the power ............................................................................................... 4-4
4.2.3 Communicating with the radiotelephone .................................................................... 4-5
4.2.4 Receiving with scanning ............................................................................................. 4-9
4.2.5 Receiving with dual watch .......................................................................................... 4-10
4.2.6 Receiving on triple watch ............................................................................................ 4-11
4.2.7 Using memory channels ............................................................................................. 4-12
4.2.8 Communicating on a private channel ......................................................................... 4-13
4.2.9 Receiving a weather channel ...................................................................................... 4-14
4.2.10 Changing the channel region ...................................................................................... 4-14
4.2.11 Squelch settings of each channel (preset squelch) .................................................... 4-15