Sony MZ-N707 Operating Instructions Manual page 85

The 5penMG technology* allows you to enjoy digital music, while maintaining the
copyrights of its holders. 5penMG Jukebox encrypts audio files in Open&K format
and stores them on the hard disk of your computer to prevent unauthorized
distribution.
*The copyright
protection technology of this software conforms to SUM (Secure Digital MUM~C
Initiative) specificaiions.
This software has some restrictions on recording and playback to protect copyrights.
You can check-in audio files only to the same computer from which they were
checked-out. They cannot be copied or checked-in to other computers.
For details, see "Features of copyright protection by 5penMG" on page 36.
which they were
checked-out.
High quality digital audio content is widely available through music distribution
services on the internet. To protect the copyrights of its holders from unauthorized
distribution, some audio content is distributed with certain restrictions on recording
and piayback. For exampie, the playback period or piayback count for the data may be
limited. in such cases, checking-out of the audio contents may not be possibie.
Depending on the contents, some audio data that have been able to checked-out are
subject to editing restrictions on the Net MD; e.g.,
audio contenis csmot be erased or
track marks cannot be added or erased.
Tt is not possible to check in tracks from premastered MDs or tracks that have been
previously recorded on 2x1 MD to your compu'er.