Sony VGC-RA840G VAIO User Manual page 176

About recordable DVD media

DVD-R for General — DVD Recordable media for general use, also known as DVD-R(G), can be written to once and
cannot be erased. You can use a DVD-RW or DVD±RW drive to write data to a DVD-R disc until the disc is full. You
cannot erase or overwrite any existing data. DVD-R media is appropriate for both video and data DVD burning.
DVD-R for general media is not the same as DVD-R for Authoring media. DVD-R for Authoring discs are a special
media intended for professional DVD production and equipment.
 DVD-RW — DVD Rewritable media can be written to, erased, and written to again. You can use this media with a
DVD-RW or DVD±RW drive, writing information to the same disc repeatedly. However, you must erase existing data
on the disc before beginning a new recording session. DVD- RW media is appropriate for both video and data DVD
burning.

DVD+R — DVD+R Recordable media can be written to once and cannot be erased. You can use your DVD±RW drive
to write data to a DVD+R disc until the disc is full. You cannot erase or overwrite any existing data. DVD+R media is
appropriate for both video and data DVD burning.
 DVD+RW — DVD+RW Rewritable media can be written to, erased, and written to again. You can use this media
with a DVD±RW drive, writing information to the same disc repeatedly. However, you must erase existing data on
the disc before beginning a new recording session. DVD+RW media is appropriate for both video and data DVD
burning.

DVD+R DL — Double layer DVD+ R media can be written to once and connot be erased. Use a DVD+R Double
layer/DVD±RW drive to write video content to a double layer DVD+R media until the disc is full. You cannot erase or
overwrite existing data.
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