Sony PCV-RX780 Manual

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Do not place the computer in a location that is subject to vibration or shock.

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Do not move the computer during operation.

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Do not subject the computer to sudden changes in temperature.

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Do not turn off the power while the computer is accessing the hard disk 
drive.

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Do not open the shutter manually and touch the surface of the floppy disk.

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Keep floppy disks away from magnets.

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Keep floppy disks away from direct sunlight and other heat sources.

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Do not touch the surface of the disc.

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Do not drop or bend the disc.

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Do not use adhesive labels to identify the disc. The label may come off while 
the disc is in use in the optical drive and damage the drive.

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Fingerprints and dust on the surface of a disc may cause read errors. Proper 
care of the disc is essential to maintain its reliability. Do not use solvents 
such as benzine, thinner, commercially available cleaners or anti-static spray, 
as they may cause damage to the disc.

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For normal cleaning, hold the disc by its edge and use a soft cloth to wipe the 
surface from the center out.

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If the disc is badly soiled, moisten a soft cloth with water, wring it out well, 
and use it to wipe the surface of the disc from the center out. Wipe off any 
remaining moisture with a dry soft cloth.