User's Manual

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Any battery level indication is an estimated result. The actual operating time can be different
from the estimated time, depending on how you are using the tablet PC.
In Windows operating system, you can check the approximate battery level using the battery
meter function. To read the battery level in Windows, click the icon on the taskbar. (Click the
icon if the tablet PC is using AC power.)
3.2.4 Battery Low Signals and Actions Battery Low occurs when the battery has approximately
10 % (Windows default setting) of its charge remaining. The tablet PC’s Battery Charge
Indicator (
) blinks red to alert you take actions.
NOTICE:
You can set up the Battery Low threshold and signals under Windows. Immediately save
your data upon Battery Low. The remaining operating time depends on how you are using
the tablet PC. If you are using the audio subsystem, hard or USB flash disk, the battery
might run out of charge very quickly.
CAUTION:
1. If you do not take any action, the tablet PC will automatically hibernate and turn off.
2. If you fail to save your data when the battery completely runs out of charge, then you
will lose your data.
3.3 Power Management
The Tablet PC supports ACPI (Advanced Configuration and Power Interface) for power
management. The power management feature allows you to reduce the power consumption for
energy saving. With an ACPI-compliant operating system such as Windows XP, power supply to
different tablet PC components is controlled on an as-needed basis. This allows maximum
power conservation and performance at the same time. In general, Windows’ power
management works in following state: