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10.MAINTENANCE ............................................................................................. 29
Fuse Replacement ..............................................................................................................29
Cleaning..............................................................................................................................29
Maintenance of Transducer.................................................................................................30
11.TROUBLESHOOTING ................................................................................... 31
Basic Troubleshooting .........................................................................................................31
Diagnostic Self-Check .........................................................................................................33
Transducer Check ...............................................................................................................34
Speed/Temperature Sensor (Option) Check ........................................................................34
12.INSTALLATION.............................................................................................. 35
Display Unit Installation .......................................................................................................35
Transducer Installation ........................................................................................................37
Transducer Preparation and Painting ..................................................................................37
Speed/Temperature Sensor.................................................................................................38
Cable Connections..............................................................................................................39
13.SYSTEM MENU SETTING............................................................................. 41
Operation Procedure ...........................................................................................................41
Description of System Menu Item........................................................................................42
Restoring Factory Settings ..................................................................................................44
14.SPECIFICATIONS.......................................................................................... 45
Complete Set.......................................................................................................................47
Installation Materials............................................................................................................48
Accessories.........................................................................................................................48
Spare Parts .........................................................................................................................48
Option..................................................................................................................................48
Transducer & Hull Bottom Installation Materials...................................................................49
APPENDIX
1. Changing Transducer Output Power Setting .......................................................................A-1
2. Changing Transducer Frequency Specifications .................................................................A-2
3. Adjustment After Replacement of MAIN or AMP Board (entering amplifier
gain offset) .......................................................................................................................... A-4
4. Transducer 50BL-12/50BL-24H........................................................................................... A-6
5. New BLT Transducers.........................................................................................................A-7
OUTLINE DRAWING ................................................................................ D-1
INTERCONNECTION DIAGRAM........................................................................... S-1