Samsung DVD-R155, DVD-R150 instruction manual About Info Button, Concerning Copy Control Signals

DVD-RW(VR)	Disc Info
Disc Name	Disc
Total Title	15
Total Playlist	1
Recordable Time	02:12 SP
Protection	Not Protected
Screen	PR 11 [DUALL]
JAN 01 2007 MON	12:00

Concerning Copy Control Signals

TV broadcasts that contain copy control signals may have one of the following three signal types, Copy-Free, Copy-Once and Copy-Never.

If you want to record a copy-once type programme, use DVD-RAM/-RW with CPRM in VR Mode.

Signal type	Copy-Free	Copy-Once	Copy-Never
Media
DVD-RAM (Ver.2.0)	O	O*	-
DVD+RW	O	-	-
DVD+R	O	-	-
DVD-RW (Ver.1.1)	O	-	-
DVD-RW (Ver.1.1)
with CPRM
VR mode	O	O*	-
Video mode	O	-	-
DVD-R	O	-	-

Once “Copy Once” has been recorded, recording cannot be done anymore.

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 INFO Button

The INFO function allows you to view the current status and progress of playback and recording. When recording on an used disc, make sure that there is enough disc space for recording.

Press the INFO button.

The display window of disc information appears.

1.Disc Type

2.Current information display status

3.Disc Name

4.Total Title : Total number of titles

5.Total Playlist : Total number of Playlists

6.Recordable Time : The longest continuous recording time in each of the recording modes(approximate)

7.Date : Current date and time

■ Items in the display differ depending on the disc type or recording format.

■With DVD-RAMs or DVD±RWs, you can free up disc space by erasing titles.

■Press the INFO button again with the unit in playback or recording, then you can check the current status.

Recording

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