Furuno CH-300 - Manual (Page 109)

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. The LCD will, in
time, accumulate a coating of dust which tends to dim the picture. Wipe LCD lightly with soft
cloth to remove dust.