Sony dru-820a User Manual

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About playback/reading compatibility in CDs
CD-R and CD-RW discs created with the drive 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 drive can be 
played on most CD players, however, there are some CD players and 
automobile CD players that do not guarantee playback of CD-R discs.
Also, CD-R music discs created with the drive can be played back on many 
standard CD players. However, depending on the type of your player, playback 
of CD-R and CD-RW discs may not be supported.
Further, 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.
Writable DVDs and compatibility
The drive can write to DVD+R DL, DVD+R, DVD-R DL and DVD-R discs, 
as well as to DVD+RW, DVD-RW and DVD-RAM discs, when used with 
writing software. The playback (read) compatibility of data written by this 
drive depends on the capabilities of the DVD-ROM drives or the DVD players 
and on the logical format selected when the disc is recorded (written).
DVD+R DL/DVD+R/DVD-R DL/DVD-R Discs
Data can be written to this type of disc only once. Once it has been written, it 
cannot be erased. Playback (read) compatibility of DVD+R and DVD-R discs 
depends on the capability of the DVD-ROM drive and the DVD player and on 
the logical format selected when it is recorded (written).
DVD+RW and DVD-RW Discs
Data can be repeatedly written to or erased from this type of disc. Typically, a 
new DVD+RW or DVD-RW disc can be rewritten about 1,000 times. 
Playback (read) compatibility of DVD+RW and DVD-RW discs depends on 
the capability of the DVD-ROM drive and the DVD player and on the logical 
format selected when it is recorded (written).
DVD-RAM Discs
Data can be repeatedly written to or erased from this type of disc. Typically, a 
new DVD-RAM disc can be rewritten about 100,000 times. To play back (or 
read the data on) a DVD-RAM disc, a DVD-ROM drive or DVD player that 
supports DVD-RAM discs is required.
About playback/reading compatibility in DVDs
DVD+R DL/DVD+R/DVD-R DL/DVD-R discs, as well as DVD+RW and 
DVD-RW discs created and finalized with the drive can be played back on 
almost all DVD-ROM drives. However depending on the type of your drive, 
playback of DVD+R DL, DVD+RW, DVD-R DL, and DVD-RW discs may 
not be supported.
In addition, some drives do not support multi-session (DVD+R DL/DVD+R/ 
DVD+RW) or multi-border (DVD-R DL/DVD-R/DVD-RW). In these cases,