84How to operate the MP3/WMA playerFormat of discsThe format of discs to be used must be ISO9660 Level 1 or Level 2.Control items for this standard are as follows:● Maximum directory layers: 8 layers● Maximum characters for folder names/file names: 32 (including "." and 3letter file extension)● Allowable characters for folder names/file names: A~Z, 0~9, _ (underscore)● Number of files/folders possible on a single disc: 999● Total number of folders possible on a single disc: 255● Maximum folders this deck can recognize: 256**: A root directory is counted as one folder.F2Root directory (F1)F158Folder 2Folder 158Folder 159F255 Folder 255001.mp3002.mp3003.mp3004.txt005.mp3001.mp3002.mp3F159[Configuration example for CD supporting MP3/WMA]Number of files/folders possible on a singledisc is 999.Files aside from MP3/WMA files (Example:004.txt) also count as single files.