Sony VRD-VC30 Manual

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About playback/reading compatibility
CD-R and CD-RW discs created with the DVDirect can be read on most CD-
ROM drives. However, some older CD-ROM drives cannot read CD-RW 
discs.
In addition, CD-R music discs created and finalized with the DVDirect can be 
played on most CD players, but there are some CD players and automobile CD 
players that do not support or guarantee playback of CD-R discs.
Because of the differences in quality and characteristics between various CD-
ROM drive, CD player, CD-R disc, and CD-RW disc manufacturers, playback 
may not be possible depending on the combination.*
DVD-Video discs created and finalized with the DVDirect can be played back 
on most standard DVD players. In addition, DVD-ROM discs created and 
finalized with the DVDirect can be played back on almost all DVD drives. 
However, depending on the combination of the type of player/drive and the 
disc, playback/reading may not be supported or possible. For example, some 
drives do not support multi-session/multi-border DVD-ROM discs. In such 
cases, the drive may only read the first session/border of the disc.
Further, because of the differences in quality and characteristics between 
various DVD drive, DVD player, and disc manufacturers, playback/reading 
may not be possible depending on the combination.
*Playback compatibility is not under warranty.
Write speed and compatible discs
• When writing data to disc at high speeds, you must use the appropriate type 
of disc.
• Set the writing speed with your writing software. For details on configuring 
the setting, refer to your writing software documentation.
• Writing speed may be adjusted automatically depending on the quality of the 
disc used. In addition, writing speed may be limited by the transfer rate of 
the computer, or the DVDirect may limit writing speed to preserve a good 
reading quality.
DVD region codes
The playback of DVD-Video (DVD discs) is protected and controlled by a 
region code setting. To use the DVDirect to play back DVD-Video on your 
computer, the region code on the DVD, DVDirect, and DVD-Video playback 
software must be identical.
The region code on the DVDirect can be changed up to five times, including 
the initial assignment (RPC phase 2
*
 standard). After changing the region code 
five times, the setting becomes permanent and can no longer be changed. From 
that point on, you can only play back DVD-Video whose region code matches 
the one set at the fifth time.
Precautions on Writing/Playing Discs