Yamaha CDC-685 Owner's Manual - Page 6

CD PREVENTIVE CARES • This compact disc player is designed for playing compact discs bearing the and marks only. Never attempt to load any other type of disc into the unit. The unit will also play 8-cm (3-inch) compact discs. • Compact discs are not subjected to wear during play, but damage to the disc surface when the disc is being handled can adversely affect the disc's play. • Do not use cleaning discs or warped discs. All of these could damage the unit. To prevent a malfunction of this unit • Do not use any non standard shaped CD (heart, etc.) available on the market, because it may damage the unit. • Compact discs are not affected by small particles of dust or fingerprints on their playing surface, but even so they should be kept clean. Wipe by using a clean, dry cloth. Do not wipe with a circular motion; wipe straight outward from the center. • Do not use a CD with tape, seals, or paste on it, because damage to the unit may result. • Do not try to clean the disc's surface by using any type of disc cleaner, record spray, anti-static spray or liquid, or any other chemical-based liquid, because such substances might irreparably damage the disc's surface. • Do not expose discs to direct sunlight, high temperature or high humidity for a long period of time, because these might warp or otherwise damage the disc. No! E-2