User's Manual Part 1

Operation Manual
xiii
Other Precautions
Periodic back-up copies of your important data should be made to protect your data
in the event of hard disk failure or loss of the data on the hard disks. Use other
storage devices for the backup.
Your computer is integrated with a magnet on the left side of the display. Be sure
to keep magnetic sensitive cards and floppy disks away from the left part of your
computer to prevent the data on the cards or floppy disks from being erased.
Your computer has a sensor on the left side of the keyboard that responds to the
magnet. If the magnet gets close to the sensor:
The backlight will be turned off.
The system may enter the standby or hibernation mode according to the setting.
(See Chapter 2.)
For Your Health
Take regular breaks of ten to fifteen minutes after every hour of continuously
viewing the screen to relieve your eyes.
Adjust the brightness for comfortable viewing. (Brightness level of about 500 lux is
recommended.)
Avoid using your computer in an environment where sunlight or indoor lighting
reflects off the screen.
Position the display slightly below eye level and give a space of 15.8” (40cm)
through 23.7” (60cm) between you and the display.
Adjust the volume for comfortable sound when using a headphone. Too much
volume may damage your ears.
Do not power on or off when using a headphone. The produced noise may damage
your ears.
Magnet
Sensor