Playing/reading discs
Some discs start automatically when they are inserted.
This depends on the operating system and the
corresponding settings.
The optical drive on your PC is capable of playing audio CDs, DVD fi lms or data discs.
Once a disc has been loaded, a dialogue box opens containing various playback
options. Normally, there will be a number of different options available.
Playback of DVD fi lm titles includes decoding MPEG2 video, digital AC3 audio data and
decoding CSS-protected content.
CSS (sometimes also referred to as Copy Guard) is the name of a data protection
program used by the fi lm industry to protect against illegal copying. Among the many
controls for CSS licensees, the most important of the playback restrictions involve
country-specifi c content. To make it easier to create geographically separate fi lm
releases, DVD titles are coded for specifi c regions. Copyright laws require that each
DVD fi lm be limited to a specifi c region (usually the region where it is sold). DVD fi lm
versions can be published in multiple regions but CSS rules require that each CSS
decoder system may only be used for one region.
The region setting can be changed
up to fi ve times
via
the viewing software before the last setting becomes
permanent. If you then wish to change the region setting
again, this must be carried out by the manufacturer. Any
shipping and confi guration costs must be borne by the
user.
Blank CDs and DVDs
Normal CDs are pressed from a glass master and then sealed. With blank discs, digital
information is burned on using the drive’s laser. They are therefore more sensitive
then conventional discs.
Because of this, it is essential to avoid, particularly in the case of unused blanks:
• exposure to direct sunlight (UVA/UVB radiation)
• scratches and damage
• extreme
temperatures
Optical drive
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34045 EN ALDI AUS Content MSN 2006 4786 final.indb 32
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