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Notes on Use
Other precautions
Sony Notebook Computer User Guide
115
nN
On Cleaning CD-ROM and DVD-ROM Discs
❑
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.
❑
For normal cleaning, hold the disc by its edge and use a soft cloth to wipe the
surface from the center out.
❑
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.
On Using Batteries
❑
Never leave the battery pack in temperatures above 60
°
C, such as in a car parked
in the sun or under direct sunlight.
❑
Battery life is shorter in a cold environment. This is due to decreased battery
efficiency at low temperatures.
❑
Charge the batteries at temperatures between 10
°
C to 30
°
C. Lower temperatures
require a longer charging time.
❑
While the battery is in use or being discharged, the battery pack heats up. This is
normal and is not cause for concern.
❑
Keep the battery pack away from all sources of heat.
❑
Keep the battery pack dry.
❑
Do not open or try to disassemble the battery pack.
❑
Do not expose the battery pack to any mechanical shock.
❑
If you are not using the computer for an extended period of time, remove the
battery pack from the computer to prevent damage to the battery.