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3. SYSTEM MENU................................................................................................... 3-1
3.1 SYSTEM Menu Operation.........................................................................................................3-1
3.2 SYSTEM SETTING Menu .........................................................................................................3-2
3.3 ES/DRAFT SETTING Menu ......................................................................................................3-4
3.4 RANGE SETTING Menu ...........................................................................................................3-7
3.5 TEMP SETTING Menu..............................................................................................................3-9
3.6 NET SONDE SETTING Menu.................................................................................................3-10
3.7 USER COLOR SETTING Menu ..............................................................................................3-13
3.8 USER CLUTTER SETTING Menu ..........................................................................................3-15
3.9 NAV DATA SETTING Menu.....................................................................................................3-16
3.10 TARGET ECHO SETTING Menu ............................................................................................3-17
4. INTERPRETING THE DISPLAY .......................................................................... 4-1
4.1 Color Bar....................................................................................................................................4-1
4.2 Zero Line....................................................................................................................................4-2
4.3 Bottom Echoes ..........................................................................................................................4-2
4.4 Fish Schools ..............................................................................................................................4-3
4.5 Other Echoes.............................................................................................................................4-4
5. MAINTENANCE & TROUBLESHOOTING.......................................................... 5-1
5.1 Maintenance ..............................................................................................................................5-1
5.2 Fuse Replacement ....................................................................................................................5-2
5.3 Troubleshooting ......................................................................................................................... 5.3
5.4 Diagnostic Test ..........................................................................................................................5-4
5.5 Test Pattern ...............................................................................................................................5-6
5.6 Default Setting ...........................................................................................................................5-7
APPENDIX 1 MENU TREE...................................................................................AP-1
APPENDIX 2 SCREEN DIVISION ........................................................................AP-6
APPENDIX 3 DISPLAY DIVISION........................................................................AP-9
INDEX........................................................................................................................IN-1