Sony DRX-S70U-W Operating Instructions Manual page 19

Copy controlled CDs
This product is designed to play back discs conforming to the compact disc
(CD) standard. Audio CDs encoded with copyright protection technology are
now marketed by various record companies. Be aware that some of these discs
do not conform to the CD standard and you may not be able to play them back
with the drive. When using the drive as an audio CD player, only use audio
CDs with the following mark. Some of these discs are encoded in such a way
as to prevent sampling and/or copy, while others can only be played back
under certain conditions. For details, refer to the documentation of your audio
CD.
Attention Regarding DualDisc Software
A DualDisc is a two sided disc product which mates DVD recorded material on
one side with digital audio material on the other side.
However, since the audio material side does not conform to the Compact Disc
(CD) standard, playback on this product is not guaranteed.
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