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TABLE OF CONTENTS
FOREWORD ........................................ v
SYSTEM CONFIGURATION .............. vi
1. OPERATION ................................. 1
1.1 Controls.......................................1
1.2 How to Turn the Power On/Off....2
1.3 Panel and Key Brilliance .............3
1.3.1 Day/Night Mode ...................3
1.4 Display Modes and Screen
Indications ...................................4
1.4.1 NAV Mode ...........................5
1.4.2 HISTORY Mode...................6
1.4.3 OS DATA Mode ...................7
1.5 Menu Overview ...........................8
1.6 How to Select a Range ...............9
1.6.1 How to enable/disable auto
range....................................9
1.7 Gain.............................................9
1.7.1 How to adjust the gain .........9
1.7.2 Automatic Operation ..........10
1.7.3 How to offset the auto
gain ....................................10
1.8 Clutter........................................11
1.9 Interference ...............................11
1.10 PICT Advance...........................12
1.11 How to Set the Depth Alarm......12
1.12 How to Use the Function Key....13
1.13 How to Output to External
Equipment .................................13
1.14 How to Choose a Transceiver...14
1.15 How to Set the Depth Below
Surface (DBS) ...........................14
1.16 How to Set Draught...................15
1.17 Logbook ....................................15
1.18 How to Change the Unit of
Measurement ............................17
1.19 How to Select the Displayed
Course.......................................17
1.20 How to Change the Colour
Scheme .....................................17
2. SYSTEM MENU .......................... 18
2.1 How to Set the Basic Range
Scale .........................................18
2.2 How to Set Transducer
Parameters................................19
2.2.1 Bottom level.......................19
2.2.2 TVG level ...........................20
2.2.3 Echo offset.........................20
2.3 How to Set TX Rate ..................20
2.4 How to Set Bottom Tail
Display ......................................21
2.5 How to Set Bottom Link RNG ...21
2.6 How to Set the Speed of
Sound........................................21
2.7 Alert Menu.................................22
2.7.1 Active alert list ...................22
2.7.2 How to display the alert
log......................................23
2.7.3 Bottom lost.........................24
2.7.4 GPS lost ............................24
2.8 Alarms, Warnings and
Cautions....................................25
2.8.1 Alert icons and their
meanings...........................26
2.9 How to Set or Adjust the Time ..27
2.9.1 External time......................27
2.9.2 Internal time.......................28
2.10 Key Beeps.................................28
2.11 System Information...................29
2.12 User Reset................................29
3. MAINTENANCE AND
TROUBLESHOOTING.................30
3.1 Checklist ...................................30
3.2 Cleaning the Display Unit..........30
3.3 Transducer Maintenance ..........30
3.4 Replacing the Fuse/Battery.......31
3.5 Troubleshooting ........................31
3.6 Fan and LCD Backlight Life
Expectancy ...............................31
MENU TREE .................................. AP-1
PARTS LOCATIONS..................... AP-3
LIST OF TERMS AND
ABBREVIATIONS ......................... AP-4
SPECIFICATIONS ..........................SP-1
INDEX ..............................................IN-1