replacement parts speci?ed by the manufacturer or have the same charac- teristics as the original part. Unauthorized substitutions may result in ?re, electric shock, or other hazards. Safety Check: Upon completion of any service or repairs to this product, ask the service tech-30. nician to perform safety checks to ensure that the product is in proper operating condition. Wall or Ceiling Mounting: The product should be mounted to a wall or ceiling only as recom-31. mended by the manufacturer.7 TABLE OF CONTENTS PRECAUTIONS ...............................................................................................................................2 IMPORTANT SAFETY INSTRUCTIONS ........................................................................................4 TABLE OF CONTENTS ...................................................................................................................7 PACKAGE CONTENTS ...................................................................................................................9 ABOUT OPTICAL DISCS ..............................................................................................................10 Disc Requirements.................................................................................................................10 Disc Care and Maintenance ..................................................................................................10 Handling a Disc ..............................................................................................................10 Cleaning a Disc ..............................................................................................................10 LOCATION OF CONTROLS ...............................................................