2010 GMC Sierra 1500 Crew Cab Owner's Manual - Page 334

Root Directory The root directory is treated as a folder. Files are stored in the root directory when the disc or storage device does not contain folders. Files accessed from the root directory of a CD display as F1 ROOT. File System and Naming The song name that displays is the song name that is contained in the ID3 tag. If the song name is not present in the ID3 tag, then the radio displays the file name without the extension (such as .mp3) as the track name. Track names longer than 32 characters or four pages are shortened. The display does not show parts of words on the last page of text and the extension of the filename is not displayed. Empty Folder Folders that do not contain files are skipped, and the player advances to the next folder that contains files. Order of Play Compressed audio files are accessed in the following order: ... Preprogrammed Playlists CDs that have preprogrammed playlists that were created using WinAmp™, MusicMatch™, or Real Jukebox™ software can be accessed, however, there is no playlist editing capability using the radio. These playlists are treated as special folders containing compressed audio song files. Playlists that have an .m3u or .pls file extension and are stored on a USB device may be supported by the radio with a USB port. Playlists (Px). Files stored in the root directory. Files stored in folders in the root directory. Play begins from the first track in the first playlist and continues sequentially through all tracks in each playlist. When the last track of the last playlist has played, play continues from the first track of the first playlist. Play begins from the first track in the first folder and continues sequentially through all tracks in each folder. When the last track of the last folder has played, play continues from the first track of the first folder. Tracks are played in the following order: . . 4-110