A.2 Precautions - Acer AcerPower Flex4000 Series User Manual

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Power-saving feature
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Compatible with the following disc formats - Audio-CD, Video-CD, CD-ROM/XA,
CD-I/FMV, Karaoke-CD, and Photo-CD (both single and multi-session), CD Plus
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Front-panel audio play/skip track control
A.2 Precautions
The laser beam in this CD-ROM drive can be harmful to the eyes. The wavelength of the
laser diode is 780nm typical and the optical power of 0.2 ~ 0.3 mw continuous wave. Do
not attempt to service this drive by yourself (e.g., opening or removing the drive casing).
All service operations should be performed by an authorized service technician, dealer or
distributor.
A.2.1 During Operation
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Do not move the drive while it is operating.
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Do not open the disc tray except when inserting or removing a disc.
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Do not place any item on top of the disc tray. Never attempt to push down on an
opened disc tray.
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Do not operate the drive right after a sudden increase in temperature.
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Most errors are usually caused by the following factors:
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scratch or defect on the surface of a disc
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random electrical noise
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dust or fingerprints on the surface of a disc
A.2.2 When Handling a Disc
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Always handle a disc by its edges. Do not touch the surface of the disc (especially the
underside).
AcerPower Flex4000 Series (V59LA/IDB3-C) User's Guide