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6-1
6. MAINTENANCE,
TROUBLESHOOTING
This chapter provides information necessary for keeping the equipment in good working order.
WARNING
ELECTRICAL SHOCK HAZARD
Do not open the equipment.
Only qualified personnel
should work inside the
equipment.
6.1 Preventive Maintenance
Check the following points monthly.
• Check all cables. If damaged, replace.
• Check connectors at rear of each unit. Clean if necessary.
• Check earth of each unit. Clean if necessary.
• Check voltage of ship’s mains to be sure it is within the equipment’s power rating.
6.2 Cleaning the Equipment
Dust or dirt can be removed from the equipment with a soft, dry cloth. Do not use chemical
cleaners to clean the equipment – they can remove paint and markings. Wipe the LCD carefully
to prevent scratching, using tissue paper and an LCD cleaner. To remove stubborn dirt, use an
LCD cleaner, wiping slowly with tissue paper so as to dissolve the dirt. Change paper frequently
so the dirt will not scratch the LCD.