Plextor PX-504A Installation And User Manual page 14

Section 1. Getting Started
• Keep your DVDs and CDs free of dirt or other contaminants, by storing them in
jewel cases. Use only industry-standard discs. Do not insert dirty, warped, poorly
balanced, or cracked discs into the drive.
• Do not clean discs using a circular motion. Instead, using a soft, dry cloth, wipe
gently in a radial motion; start at the center of the disc and proceed to the outer
edge.
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PX-504A Installation and Users Manual