BELINEA NB, Руководство пользователя

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Small Battery for the Real Time Clock
There is a small built-in battery pack that supplies power to the
system in order to maintain certain system information while the
power is off. If the Notebook is left without a power source for long
period of time, this battery will be exhausted and system
information will be lost.
Danger of explosion if battery is
incorrectly replaced. Replace only with the same or equivalent
type recommended by the manufacturer.
Dispose of used batteries according to the manufacturer's
instructions.
Never remove the battery pack while the power is on as this
may result in data loss when the system loses power.
Resetting the System
After installing a software application package, you may be
prompted to reset the system to load the changed operating
environment. To reset the system, or “
reboot
,” press the
[Ctrl]+[Alt]+[Delete]
keys simultaneously. This is known as “
warm
boot
.” This key combination acts as “
software
” reset switch when
you encounter hardware or software problems, which lock up the
Notebook.
If this key combination does not shut down the Notebook, you can
reset the Notebook by using the Notebook’s power button. Should
the Notebook lock up for some reason, pressing this button powers
the Notebook off.
Adjusting the Brightness
To adjust the brightness on the LCD screen, press and hold down
the
[Fn]
key in the lower left hand corner of the keyboard and
press the
[F8]
key to reduce the brightness or
[F9]
to increase the
brightness.