Yamaha CD Recordable/Rewritable Drive CRW-70 - Manual (Page 39)

Listening to Audio CDs and MP3 Discs
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Skip forward
Press the skip FF button.
The disc skips to the beginning of the next track.
Skip back
Press the skip REW button.
If you press this button while the disc is stopped, it skips back one track. If
you press this button during playback, it skips back to the beginning of the
track that is being played.
Track search
Press and hold down the skip FF button or skip REW button.
This skips through the tracks in succession.
Folder search (on an MP3 disc)
If there is more than one folder containing MP3 files, a track search skips
through the folders.
Skip
(Example: audio CD, track 2)
(Example: audio CD, track 12)
(Example: audio CD, track 6)
(Example: MP3 disc, folder 8)