Denon DVD-900 Operating Instructions Manual page 30

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• Wipe the front panel and other exterior surt3ces of the DVD player with a sol1 cloth immersed in
lukewarm waler and wrung dry.
• Never use a solvent or alcohol, Do not spray insecticide liquid near the DVD player. Such
chemicals may cause damage and discoloration to the exposed surt3ces,
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• If the player still does not perform properly when it is operated while referring to the relevant sections and to
"TROUBLESHOOTING GUIDE" in this Instruction Manual, the laser optical pickup unit may be dirty;
Consult your dealer or an Authorized Service Cenler for inspection and cleaning of the laser optical pickup
unit,
• Use discs which have the following logos on them,
(Optical attdio digital discs.)
VIDEO
DIGITAL AUDIO
• Handle the discs so that fingerprints and dust do not
adbere to the surt_tces of the discs.
• To clean-off, use a sot cloth.
• Do not use a hard cloth since this will mar the disc.
• Wipe the disc in a straight line from center to edge,
• Never wipe with a circular motion.
• Do not use delergent or abrasive cleaning agents,
• Always store the disc in its protective case when it is
not used.
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