Saturn 2008 AURA Green Line Hybrid Owner's Manual page 186

RDM (Random): With the random setting, MP3 files on
the CD-R or CD-RW can be listened to in random,
rather than sequential order. To play MP3 files from a
CD-R or CD-RW in random order, press the pushbutton
positioned under the RDM label until Random Current
Disc displays. Press the same pushbutton again to turn
off random play.
h
(Music Navigator): Use the music navigator
feature to play MP3 files on the CD-R or CD-RW in order
by artist or album. Press the pushbutton located below
the music navigator label. The player scans the disc to
sort the files by artist and album ID3 tag information. It
can take several minutes to scan the disc depending on
the number of MP3 files recorded to the CD-R or CD-RW.
The radio can begin playing while it is scanning the disc
in the background. When the scan is finished, the CD-R
or CD-RW begins playing again.
Once the disc has scanned, the player defaults to playing
MP3 files in order by artist. The current artist playing is
shown on the second line of the display between the
arrows. Once all songs by that artist are played, the
player moves to the next artist in alphabetical order on
the CD-R or CD-RW and begins playing MP3 files by that
artist. To listen to MP3 files by another artist, press the
pushbutton located below either arrow button. The disc
goes to the next or previous artist in alphabetical order.
Continue pressing either button until the desired artist
displays.
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To change from playback by artist to playback by album,
press the pushbutton located below the Sort By label.
From the sort screen, push one of the buttons below the
album button. Press the pushbutton below the back label
to return to the main music navigator screen. Now the
album name is displayed on the second line between the
arrows and songs from the current album begins to play.
Once all songs from that album are played, the player
moves to the next album in alphabetical order on the
CD-R or CD-RW and begins playing MP3 files from
that album.
To exit the music navigator mode, press the pushbutton
below the Back label to return to normal MP3 playback.
BAND: Press this button to listen to the radio while a
CD is playing. The inactive CD remains inside the radio
for future listening.
CD/AUX (CD/Auxiliary): Press this button to play a
CD while listening to the radio. The CD icon and
a message showing disc and/or track number displays
while a CD is in the player. Press this button again
and the system automatically searches for an auxiliary
input device such as a portable audio player. If a
portable audio player is not connected, No Input
Device Found displays.