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Content Protection for Recordable Media (CPRM)
CPRM is a mechanism that ties a recording to the media on
which it is recorded. It is supported by some DVD recorders,
but not by many DVD players. Each blank recordable DVD
has a unique 64-bit media ID etched in the BCA. When
protected content is recorded onto the disc, it can be
encrypted with a 56-bit C2 (Cryptomeria) cipher derived from
the media ID.
During playback, the ID is read from the BCA and used to
generate a key to decrypt the contents of the disc.
If the contents of the disc are copied to other media, the ID will
be absent or wrong and the data will not be decryptable.
About the INFO button
The INFO function allows you to view the current status
and progress of playback and recording. Depending on
the disc type and status, the displayed screen may be
different.
Checking the available disc space
(Disc Information)
When recording on a used disc, make sure that there is
enough disc space for recording. With DVD-RWs, you
can free up disc space by erasing titles.
• Press the INFO button.
The disc information display window appears.
Items in the display differ depending on the disc type
or the recording format.
!
DVD-RW(VR)
#
Disc Name
Disc
$
Total Title
1
%
Total Playlist
None
^
Recordable Time 01: 12 XP
Protection
Not Protected
Screen
CH 11 [Mono]
&
JAN 01 2006 SUN
! Disc Type
@ Current information display status
# Disc Name
$ Total Title : Total number of titles
% Total Playlist : Total number of Playlists
^ Recordable Time : The longest continuous
recording time in each of the record
modes(approximate)
& Date : Current date
*
Time : Current time
Disc Info
@
*
12:00 AM
Recording the current TV
program you are watching
Before you start
Check that the disc has enough available space for the
recording. Adjust the recording mode.
Press the OPEN/CLOSE button and place a
1
recordable disc on the disc tray.
Press the OPEN/CLOSE button to close the disc tray.
2
Wait until "LOAD" disappears from the front panel display.
DVD-RW
If an unused DVD-RW disc is inserted, you will be
prompted to initialize first. Make your selection using
the œ √ buttons, then press ENTER.(See page 44)
Uninitialized Disc
Do you want to initialize this disc?
Yes
No
English - 45
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