How Gigarec Works; Important Facts About Gigarec - Plextor PX-712 Installation And User Manual

Section 5. Advanced Features and PlexTools Professional
5. Move the slider to one of the GigaRec Rate numbers to select the
capacity. For example, choosing 1.2x increases the disc's writing
capacity by 20 percent. So the capacity of a 703-MB disc is
increased to 850 megabytes (Mode 1), or about 96 minutes.
NOTE: MSF stands for minutes, seconds, frames. This is the structure of
the CD: 2048 bytes per frame, 75 frames per second, 60 seconds per
minute.
6. Using a disc-at-once (DAO) recording application such as PlexTools
Professional CD/DVD-ROM Maker or AudioCD Maker, record data
on the CD-R disc.
7. To disable GigaRec and return to normal writing, clear the Enable
GigaRec check box.

How GigaRec Works

CD-R and CD-RW discs are manufactured with special information
about manufacturer, model name, disc features, and maximum write
capacity written to a narrow strip along the inner margin of the disc. The
Plextor PX-712 can ignore and even overwrite this information, which
extends the disc capacity.

Important Facts about GigaRec

• When you enable GigaRec, it is active for all recording functions.
• With GigaRec, writing speed is fixed at 4X or 8X.
• You can use only CD-R discs with GigaRec.
• Only disc-at-once (DAO) recording, in which all tracks are written in
a single operation, is supported. GigaRec does not support session-
at-once (SAO) recording.
• Buffer Underrun Proof Technology is turned off during GigaRec
operation. Writing stops if a buffer underrun occurs.
PX-712 Installation and Users Manual
63