Naxa ND-851 - Manual (Page 18)

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CARE AND MAINTENANCE
Caring for Discs
Treat the disc carefully. Handle the disc only by its edges.
Never allow your fingers to contact with the shiny, unprinted
side of the disc.
Do not attach adhesive tape, stickers, etc. to the disc label.
Clean the disc periodically with a soft, lint-free,dry cloth,
Never use detergents or abrasive cleaners to clean the disc.
If necessary, use a CD cleaning kit.
If a disc skips or gets stuck on a section of the disc,
it is probably dirty or damaged(scratched).
When cleaning the disc, wipe in straight lines from the center
of the disc to the outer edge of the disc. Never wipe in
circular motions.
Discs should be stored in their cases after each use to avoid damage.
Do not expose discs to direct sunlight, high temperatures or dust, etc.
Prolonged exposure or extreme temperatures can warp the disc.
Do not stick or write anything on either side of the disc. Sharp writing
Instruments, or the ink, may damage the surface.
Cleaning the Unit
To prevent fire or shock hazard, disconnect your unit from the
AC power source when cleaning.
The finish on your unit may be cleaned with a dust cloth and
cared for as other furniture. Use caution when cleaning and
wiping the plastic parts.
Mild soap and a damp cloth may be used on the front panel.