iv
TABLE OF CONTENTS
FOREWORD ........................................ v
SYSTEM CONFIGURATION .............. vi
1. OPERATION ................................. 1
1.1 Control Description......................1
1.2 Power On/Off ..............................2
1.3 Adjusting Display Brilliance .........2
1.4 Selecting a Display......................2
1.4.1 Single frequency display......2
1.4.2 Dual frequency display ........3
1.4.3 Zoom display .......................3
1.4.4 User 1 and 2 displays ..........5
1.5 Selecting a Range.......................5
1.5.1 Range adjustment................5
1.5.2 Manual range adjustment ....5
1.6 Shifting the Range.......................6
1.7 Adjusting the Gain.......................7
1.7.1 Selecting gain adjustment....7
1.7.2 Manual gain adjustment.......7
1.8 Measuring Depth.........................8
1.9 Menu Operating Procedure.........8
1.10 Picture Advance Speed...............9
1.11 Rejecting Interference .................9
1.12 Erasing Weak Echoes...............10
1.13 Rejecting Clutter........................10
1.14 Adjusting TVG ...........................11
1.15 A-scope Display ........................12
1.16 Alarms .......................................13
1.17 FUNCTION Control ...................15
1.17.1 Using the FUNCTION
control ................................15
1.17.2 Programming
the FUNCTION control ......15
1.18 Waypoints .................................16
1.18.1 Entering a waypoint ...........16
1.18.2 Editing waypoints...............17
1.18.3 Erasing waypoints..............17
1.18.4 Setting destination
waypoint.............................18
1.19 Menu Description ......................18
1.19.1 Sounder menu ...................18
1.19.2 Tx/Rx menu .......................22
1.19.3 Display menu .....................22
1.19.4 Data menu .........................23
2. SYSTEM MENU .......................... 25
2.1 How to Open the System Menu 25
2.2 User Menu.................................25
2.2.1 User menu description.......25
2.2.2 Selecting data for nav data
displays..............................27
2.3 Range Menu..............................29
2.4 Key Menu..................................29
2.5 Language Menu ........................30
2.6 Units Menu................................30
2.7 Calib Menu................................30
3. MAINTENANCE &
TROUBLESHOOTING.................32
3.1 Maintenance .............................32
3.2 Care of Display Unit ..................32
3.3 Transducer Maintenance ..........32
3.4 Fuse Replacement....................33
3.5 LCD Backlight Life ....................33
3.6 Battery Voltage Alert .................33
3.7 Troubleshooting ........................33
3.8 Self Test....................................33
3.9 LCD Test...................................35
3.10 Restoring Default Settings ........35
MENU TREE .................................. AP-1
SCREEN LAYOUT ........................ AP-4
SCREEN DIVISION ....................... AP-7
SPECIFICATIONS ..........................SP-1
INDEX ..............................................IN-1
