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Useful Information
Preventing your computer from unauthorized use via wireless LAN/Bluetooth/wireless WAN
<Only for model with wireless LAN/Bluetooth/wireless WAN>
Before using wireless LAN/Bluetooth/wireless WAN, make the appropriate security settings such as data encryp-
tion.
Battery Recalibration
The battery recalibration may take a long time due to the large battery capacity. This is not a malfunction.
Full charge: Approximately 3.5 hours (with Main Battery) / 6.5 hours (with Main Battery + Second Battery)
Complete discharge: Approximately 4.0 hours (with Main Battery) / 6.0 hours (with Main Battery + Second Bat-
tery)
Maintenance
To clean the LCD panel
If drops of water or other stains get on the surface of the LCD panel, wipe them off immediately. Failure to do so may
result in staining.
<Only for model with touchscreen>
Use the soft cloth included with the computer. (For further information, refer to “Suggestions About Cleaning the LCD
Surface”.
Reference Manual “Screen Input Operation”)
To clean areas other than the LCD panel
Wipe with a soft dry cloth such as gauze. When using detergent, dip a soft cloth in water-diluted detergent and wring it
thoroughly.
CAUTION
Do not use benzene, thinner, or rubbing alcohol since it may adversely affect the surface causing discoloration, etc.
Do not use commercially-available household cleaners and cosmetics, as they may contain components harmful to
the surface.
Do not apply water or detergent directly to the computer, since liquid may enter inside of the computer and cause
malfunction or damage.
Handling and Maintenance