3-1
3. MAINTENANCE, TROUBLE-
SHOOTING
3.1 Maintenance
Check the following points regularly to maintain performance:
• Check that connections on the rear panel are firmly tightened and free of dust.
• Check that the ground is free of rust and the ground wire is tightly fastened.
• Remove dust or dirt from the cabinet with a soft, dry cloth. For stubborn dirt, you can
use water-diluted mild detergent. Clean the cabinet with a dry cloth after you use
detergent. Do not use solvents like thinner, acetone or benzene to clean the unit.
They can remove paint and indications.
• Wipe the LCD carefully to prevent scratching, using LCD cleaning cloth (supplied as
accessory). To remove dirt or salt deposits, use an LCD cleaner, wiping slowly with
tissue paper so as to dissolve the dirt or salt. Change paper frequently so the salt
or dirt will not scratch the LCD. Do not use solvents such as thinner, acetone or ben-
zene for cleaning. Also, do not use degreaser or antifog solution, as they can strip
the coating from the LCD.
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.
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