See also:

XM™ Satellite Radio Service
XM is a satellite radio service based in the 48 contiguous United States and 10 Canadian provinces. XM Satellite Radio has a wide variety of programming and commercial-free music, coast to coast, and ...

Root Directory
The root directory of the disc is treated as a folder. If the root directory has compressed audio files, the directory displays as F1 ROOT on the radio. If a disc contains both uncompressed CD audio ...

Empty Folder
Folders that do not contain files are skipped, and the player advances to the next folder that contains files. ...