Sony MSAC-US40 - Manual (Page 40)

40-GB
Restrictions imposed by the copyright
protection
The “SonicStage” software employs “OpenMG” Sony-developed copyright
protection technology to safeguard the copyright of music content. It
enables you to enjoy a wide range of music via online music distribution
services.
The number of times you can record or play back may be restricted due to
the copyright protection of music content.