22 R-K711Important InformationSupported Disc FormatsCommercially available music CDsCD-R/CD-RW discsrecorded inCD-DA formatMP3/WMA/AAC filesrecorded onCD-ROM/CD-R/CD-RW discsExplanationDisc Icon in this manualDepending on the equipment or recording mode used for recording onto a CD-ROM, CD-R or CD-RW disc, and on the typeof CD-ROM, CD-R or CD-RW disc used, you may not be able to play the disc on this system.zPrecautions when writing data to discsDiscs recorded in Packet Write mode or UDF (Universal Disc Format) cannot be played.When writing data to a disc, always close the session or finalize the disc. Discs that have not been finalized or that havesessions that were not closed may not play back correctly.Depending on the specifications of the writing software used, the recorded folder names and file names may not bedisplayed correctly.Playback of multi-session discs or discs that contain large numbers of folders may take longer to begin than for normaldiscs.If you write audio files and music CD tracks (CD-DA format) to the same disc, the disc may not play correctly.Before writing audio files to a disc, check that the files will play back correctly on the PC being used to write the files.When writing ends, check that the written files are played back correctly.Use the correct file extensions (mp3, wma, m4a) in the names of audio files. Files without file extensions will not be played.Also, do not use audio file extensions (mp3, wma, m4a) for files that are not audio files.For more information on file extensions, see “Supported Audio Files” on the right.zzzzzzzYou may not be able to play discs that do not conform to the CDstandard, such as Copy Control CDs.zDiscs must be finalized during writing.zDiscs must be finalized during writing.In this manual, MP3, WMA and AAC fi les are referred to collectivelyas “audio files”.zz