GMC 2010 Sierra - Manual (Page 340)

Using an MP3 (Radios with CD
and DVD)
Format
The radio can play .mp3 or .wma files that were
recorded onto a CD-R or CD-RW disc.
The USB port can play .mp3 and .wma files that are
stored on a USB storage device as well as AAC files
that are stored on an iPod
® .
Compressed Audio or Mixed Mode Discs
The radio plays discs that contain both uncompressed
CD audio and MP3/WMA files depending on which slot
the disc is loaded into.
The DVD Player only reads uncompressed audio and
ignores MP3/WMA files on a mixed mode disc.
The CD Player reads both uncompressed audio and
MP3/WMA files on a mixed mode disc. Uncompressd
audio is played before MP3/WMA files. Press the CAT
(category) button to toggle between uncompressed
audio and MP3/WMA files.
CD‐R or CD‐RW Supported File and Folder
Structure
The DVD Player supports:
. Up to 255 folders.
. Up to 8 folders in depth.
. Up to 15 playlists.
. Up to 40 sessions.
. Playlists with an .m3u or .wpl extension.
. Files with an .mp3, .wma, or .cda file extension.
The CD Player supports:
. Up to 512 files and folders.
. Up to 8 folders in depth.
. Playlists with an .m3u or .wpl extension.
. Files with an .mp3, .wma, or .cda file extension.
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