Samsung DVD-HR755 Bedienungsanleitung PDF herunterladen (Seite 61)

English - 61

Recording

Unrecordable pictures

Video with copy protection cannot be recorded on this HDD &

DVD RECORDER.

When the HDD & DVD RECORDER receives a copy- guard signal

while recording, recording stops and the following message

appears on the screen.

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-RW with

CPRM in VR Mode and DVD-RAM.

Signal type

Media

Copy-Free Copy-Once Copy-Never

DVD-RW(Ver.1.1) O

––

DVD-RW(Ver.1.1)

with CPRM

VR mode

V mode

–

DVD-R O

–

DVD-RAM(Ver. 2.0) O O*

–

DVD+RW

––

DVD+R

––

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 HDD & 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.

◆

You cannot record copy protected movie.

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