SoundMax SM-CDM1056 - Manual (Page 26)

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Handling discs
Dirty, scratched or warped discs may cause skip ping or noise.
Handle the disc only by the edges. To keep clean do not touch its surface.
Discs should be stored in their cases after use to avoid scratches.
Do not expose discs to direct sunlight, high humidity, high temperature or
dust.
Prolonged exposure to extreme temperature can wrap the disc (such as leaving the discs in your
car during summertime).
Do not stick or write anything on either side of disc. Sharp writing instruments, or the inks used
in some felt-tip pens, may damage its surface.
Do not touch the unlabeled side. Do not attach any seal, label or data protection sheet to either
side of a disc.
Cleaning
Cleaning the cabinet and panel
Wipe with a soft cloth. If the cabinet is very dampen (not dropping wet) the cloth with a weak
solution of soapy water, and then wipe clean.
If the control panel is dirty, wipe off the dirt with soft, dry cloth only. And use a cotton swab soaked
in isopropyl alcohol to clean the socket on the back of the control panel.
Cleaning discs
Fingerprints should be carefully wiped from the surface of disc with a soft cloth.
Unlike conventional records, compact discs have no grooves to collect dust