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4. Servo/access
(1) Servo Automatic Adjustment
When the disc is loaded, the focus, tracking offset and servo gain are adjusted automatically.
(2) Sled Control using the Stepping Motor Driving
The mechanisms and circuits related to the sled are simplified. The micro step operation is
controlled using the micro computer when the access-time-specific trapezoidal driving occurs
and the read/write operation is performed.
(3) High speed access using the learning function
The number of tracks calculated from the CLV speed and pick-up position are corrected so
that the disc program area is kept at the access time accompanied with the travel of the sled.
Then, the corrected number of tracks is stored and the final number of tracks on the disc are
calculated in order to reduce the number of seeks．
5. Other Functions
(1) Multi-volume applicable
To switch the sessions, the SESSION SELECTOR is used.
(2) Disc identification codes
The discs produced by each manufacturer are identified using the disc identification codes
prepared by the Orange Society for the Research. This is referred to when the laser power
and strategy are decided, when the writing operation is performed.
(3) Device type
Device type is 05 (CD-ROM) only.
6. CRD-BPDV3 Interface
The host computer interface of the CRD-BPDV3 conforms to the ATAPI.
7. BURN-Proof
In some case of disc condition, an error may happen by the failer of BURN-Proof function
because it controls previous recorded data and new recording data by the advanced signal
management system. In addition to the stated above, a BURN-Proof function also does not work
correctly due to the unexpected accident like a power cut and a malfunction of PC and so forth.
8. SHOCK-BP
Please refer to the latest information on the web: www.burn-proof.com.
9. Safe-BP
Please refer to the latest information on the web: www.burn-proof.com.
10. HD-BURN
Please refer to the latest information on the web: www.burn-proof.com.
Document Name
Function Description
SANYO Electric Co., Ltd.
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