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User’s Manual 2-11
The Grand Tour
■ Dolby Digital audio enhancements are only supported by Microsoft
®
Windows
®
operating system. Content with high sample rates of 48kHz
or more are downsampled when output through either the built-in
speakers or headphone jack.
■ This device supports AACS (Advanced Access Content System)
nextgeneration copy protection technology. Renewal of the AACS key
integrated into this device is required for uninterrupted enjoyment of HD
DVD. An Internet connection is required when renewing the key.
■ For more information on AACS keys, visit the AACS website
(www.aacsla.com/home).
Writable discs
This section describes the types of writable CD discs. Check the
specifications of your drive for the type of discs it can write. Refer to
Chapter 4, Operating Basics.
CDs
■ CD-R discs can be written only once. The recorded data cannot be
erased or changed.
■ CD-RW discs can be recorded more than once. Use either 1, 2, or 4
multi speed CD-RW discs or high-speed 4- to 10-speed discs. The write
speed of the ultra-speed CD-RW discs (Ultra-speed is available on the
DVD-ROM & CD-R/RW drive only) is a maximum of 24-speed.
DVDs
■ DVD-R, DVD+R, DVD-R DL and DVD+R DL discs can be written only
once. The recorded data cannot be erased or changed.
■ DVD-RW, DVD+RW and DVD-RAM discs can be recorded more than
once.
HD DVDs (supported by HD DVD-RW drive only)
■ HD DVD-R discs can be written only once. The recorded data cannot
be erased or changed.
■ HD DVD-RW discs can be recorded more than once.