Furuno DFF-3D, Руководство оператора

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5-1
5. MAINTENANCE,
TROUBLESHOOTING
5.1 Maintenance
Regular maintenance is essential for good performance. Check the items listed in the
table below at the suggested interval to help keep your equipment in good shape for
years to come.
Item Check point, action Check interval
Cable condition Check that cables are not damaged. Replace if
damaged. Once a month
Cable connector Check that the connector of each cable is tightly
fastened and not damaged. Refasten if neces-
sary. Replace if damaged. Once a month
Ground terminal, ground
wire Check for corrosion. Clean if necessary. Replace
ground wire if damaged. Once a month
Power supply voltage Check voltage. If out of rating correct problem. Once a month
Cabinet cleanliness Dust or dirt on the cabinet may be removed with a
dry cloth. Do not use chemical-based cleaners to
clean the cabinet; they can remove markings and
damage the cabinet. Once a month
Transducer Marine life on the transducer face will result in a
gradual decrease in sensitivity. Check the trans-
ducer face for cleanliness each time the boat is
removed from the water. Carefully remove any
marine life with a piece of wood or fine-grade
sandpaper. When the vessel is
removed from the
water.
WARNING
NOTICE
Do not apply paint, anti-corrosive sealant or
contact spray to coating or plastic parts of
the equipment.
Those items contain organic solvents that can
damage coating and plastic parts, especially
plastic connectors.
ELECTRICAL SHOCK HAZARD
Do not open the equipment.
Only qualified personnel are
permitted to work inside the
equipment.