53 53● Number of files that can be stored on a single disc:512 files● Number of folders that can be stored on a single disc:255 files[A configuration example of MP3/WMA supported CD]■ File NamesOnly a file with the “mp3” or “wma” extension is recognized as an MP3 or WMA file. Alwayssave an MP3/WMA file with the “mp3”/“wma” extension.The “mp3” or “wma” file extension must be single-byte uppercase letters.ATTENTIONIf a non-MP3/WMA file has the “mp3” or “wma” file extension, it may be recognized erroneously asan MP3/WMA file. When such file is played, the very large noise is output and speakers may bedamaged. Do not save a non-MP3/WMA file with the “mp3” or “wma” extension.■ Multi-sessionsMultisessions are supported and CD-R/RW with recorded MP3/WMA files can be played.When written with “Track at once”, however, finalize the disc with session close or write protect.FolderMP3/WMA audio file or text file1 st level 2 nd level 3rd level 4 th levelRoot directory ( )221334455661A total of 256 files can be created within a single disc.Files aside from MP3/WMA files (Example: 004.txt)also count as single files.