Outline Drawing

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

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