46•A total of 1023 files and folders can be recorded on a single disc.[Configuration example for CD supporting MP3]A total of 512 files and folders can becreated within a single folder.Each file that is not an MP3 file (example:004.TXT) is also counted as a file.Format of discsThe format of discs to be used must be ISO9660 Level 1 or Level 2.Control items for this standard are as follows:Also be sure to use "MODE 1" for recording. Discs recorded with "MODE 2" are notsupported.MP3 files recorded in a format other than the one explained above may result in files thatcannot be played normally and in file names and folder names that do not display properly.Limitations in addition to standards are as follows.•Maximum directory layers: 8 layers•Maximum characters for folder names/file names: 31 (including "." and 3 letter fileextension)•Allowable characters for folder names/file names: A~Z, 0~9, _ (underscore)•Number of files/folders possible on a single disc: 512•Each file that is not an MP3 file (files with extensions other than "MP3") is also counted as afile.How to use the MP3 playerHow to operate the MP3 player