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OD-A017-02
TOSHIBA DVD-RAM SD-W1111 ‘99/06/26 Version 1.0
Page 11 Product Specification
According to the steps described below, the optical head auto-lock mechanism can be functioned.
• Eject a disc.
• Pull-in the tray inside the drive.
• After “BUSY” lamp turns off, the auto-lock function completes.
When transporting, transport the drive after performing the steps above and turning off the power.
7. Reliability specifications
7.1 Error rate
DVD-RAM
Read error rate less than 10
–15
(Byte error rate)
Seek error rate less than 10
–6
error/seek
DVD-ROM
Read error rate less than 10
–15
(Byte error rate)
Seek error rate less than 10
–6
error/seek
CD-ROM
Read error rate (Mode 1) less than 10
–15
(Byte error rate)
Read error rate (Mode 2) less than 10
–12
(Byte error rate)
Seek error rate less than 10
–6
error/seek
Allows five times internal retry operations.
7.2 Life
Either of shorter life of 5 years or 15,000 POH
Loading mechanism 10,000 times
MTBF 100,000 H
Setting conditions:
Power on period 5,436 H/year (17 H/day)
Power on time 313 times/year
Access times 600,000 times/year
Using duty Playback : 20%
Recording : 2%
8. Environmental specifications
The drive might satisfy the basic specification over the following conditions.
8.1 Temperature
Operating 5 to 50 °C
(Temperature variation gradient: 10°C/h)
Storing –10 to 60 °C
(Temperature variation gradient: 20°C/h, except for media)
Transporting (with packing) –40 to 65 °C
(Temperature variation gradient 20°C/h, except for media)