GMC 2011 Sierra - Manual (Page 244)

Black plate (18,1) GMC Sierra Owner Manual - 2011
7-18 Infotainment System
s REV (Fast Reverse): Press
and hold to reverse playback quickly
within a track.
\
FWD (Fast Forward): Press
and hold to advance playback
quickly within a track.
RPT (Repeat): For the AM-FM
Radio with CD, press and release
the RPT button to repeat the current
track. Press RPT again to turn off
repeat play.
RDM (Random): Press to listen
to tracks in random, rather than
sequential order. To use random,
do one of the following:
For the AM-FM Radio with CD:
1. Press the RDM button until the
random icon displays.
2. Press the RDM button again
until the random icon disappears
from the display.
For the Radio with CD (MP3) and
Radio with USB and CD (MP3):
1. Press the softkey positioned
under the RDM tab until Random
Current Disc displays.
2. Press the softkey again to turn
off random play.
For the Radio with USB and
Six-Disc CD (MP3):
1. Press the softkey positioned
under the RDM tab until
Randomize All Discs displays
to play tracks from all CDs
loaded in random order.
2. Press the softkey positioned
under the RDM tab until Random
Current Disc displays to play
tracks from a single CD in
random order.
3. Press the same softkey again to
turn off random play.
MP3‐Supported Files
The Radio with CD (MP3), Radio
with USB and CD (MP3), and Radio
with USB and Six-Disc CD (MP3)
have the capability of playing an
MP3 CD-R or CD-RW disc.
Format
Radios that have the capability of
playing MP3s can play .mp3 or .wma
files that were recorded onto a
CD-R or CD-RW disc. The files can
be recorded with the following fixed
bit rates: 32 kbps, 40 kbps, 56 kbps,
64 kbps, 80 kbps, 96 kbps, 112 kbps,
128 kbps, 160 kbps, 192 kbps,
224 kbps, 256 kbps, and 320 kbps
or a variable bit rate.
Compressed Audio or Mixed Mode
Discs
The radio can play discs that
contain both uncompressed CD
audio and MP3 files. If both formats
are on the disc, the radio reads
all MP3 files first, then the
uncompressed CD audio files.