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Handling rewritable discs
Rewritable discs such as CD-RW, DVD-RW, DVD+RW, DVD-RAM, BD-RE, and HD DVD-
RW are often used for regular backups, and they can be easily erased or reformatted to
be written over again using Burn.Now's Disc Tools.
To access the tools, select Disc Tools in the Select a Task dialog box or select them
from the Disc menu in the program window.
Erase
Erasing a rewritable disc removes the disc contents. There are two ways to erase a disc:
• Quick erase - Deletes only the Table of Contents of the disc. The file system, tracks
and sectors on the disc are not physically removed. This method simply allows the
disc to be overwritten.
• Full erase - Deletes all the information, including the file system, tracks and sectors
from the disc.
UDF Format
UDF Format writes the UDF (Universal Disc Format) file system to a rewritable disc to
enable random packet writing. Random packet writing allows disc space to be used
more efficiently when burning data onto the disc. It allows data to be written onto the
disc in the same way as the hard disk, freeing disc space as data are deleted, and
reusing freed space. A disc can be formatted with UDF 1.5 or above. To format a disc,
click Disc: Format Disc. There are two options for formatting a disc:
• Quick format - Provides a fast way of reformatting CD-RW, DVD+RW, DVD-RW, BD-
RE, and HD DVD-RW and discs that have previously been full formatted. It simply
removes the file system table from the disc without checking for defects (that is, bad
sectors) and writes the selected UDF file system to the disc.
ULEAD BURN.NOW USER GUIDE 49
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