NEC Express5800/120Rd-2 Service Manual page 63

NOTE: Use of CDs
Keep the following notes in mind using a CD:
Do not drop the CD.
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Do not place anything on the CD or bend the CD.
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Do not attach a label onto the CD.
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Do not touch the data side (nothing is printed on this side) with your
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hand.
Do not scratch the CD or write anything directly on it with a pencil or
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ballpoint pen.
Keep the CD away from cigarette smoke.
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Do not leave the CD in a high-temperature environment (e.g., place
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exposed to direct sunlight or close to a heater).
When dust or fingerprints are on the CD, wipe the CD from its center
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to edge with a dry soft cloth slowly and gently.
Use the CD cleaner to clean the CD. Do not use record spray/cleaner,
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benzene, or thinner.
Store the CD in a CD case when not in use.
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If the CD emits large noise in the CD-ROM drive, remove the CD and
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re-insert it into the drive.
System Overview 1-45