vi

TABLE OF CONTENTS

EQUIPMENT LISTS........................................................................................... viii

SYSTEM CONFIGURATIONS.............................................................................. x

1. PRINCIPLE OF NAVTEX SYSTEM............................................................... 1-1

1.1 How NAVTEX Works................................................................................................. 1-1
1.2 NAVTEX System Operation.......................................................................................1-1
1.3 Message Format....................................................................................................... 1-2
1.4 NAVTEX Station Map................................................................................................ 1-3
1.5 NAVTEX Station List.................................................................................................. 1-4

2. OPERATION...................................................................................................2-1

2.1 Operating Controls.................................................................................................... 2-1
2.2 Turn the Unit On/Off .................................................................................................. 2-1
2.3 Adjusting LCD Dimmer..............................................................................................2-2
2.4 Confirming the New Message....................................................................................2-3
2.5 Sample Messages..................................................................................................... 2-4
2.6 Choosing the Receive Mode..................................................................................... 2-5
2.7 Choosing the Local Frequency..................................................................................2-6
2.8 Editing the Setting for Station and Message..............................................................2-6
2.9 Switching the Frequency to Display...........................................................................2-8
2.10 Alarm Messages........................................................................................................ 2-8
2.11 Processing Messages............................................................................................... 2-9
2.12 Printing Messages....................................................................................................2-11
2.13 Editing the NAVTEX Station List.............................................................................. 2-12
2.14 Icons....................................................................................................................... 2-15
2.15 Messages List......................................................................................................... 2-16
2.16 Other Functions.......................................................................................................2-17

3. MAINTENANCE & TROUBLESHOOTING...................................................3-1

3.1 Maintenance..............................................................................................................3-1
3.2 Replacement of Fuse, Battery and Thermal Paper.................................................... 3-2
3.3 Troubleshooting.........................................................................................................3-4
3.4 Diagnostics................................................................................................................3-5
3.5 Restoring All Default Settings....................................................................................3-6

4. INSTALLATION..............................................................................................4-1

4.1 Display Unit............................................................................................................... 4-1
4.2 Receiver Unit.............................................................................................................4-3
4.3 Antenna Unit............................................................................................................. 4-4
4.4 Printer (NX-700B only).............................................................................................. 4-5
4.5 Wiring........................................................................................................................ 4-5
4.6 Setting of Printer......................................................................................................4-10
4.7 Digital Interfacing......................................................................................................4-11