HP Jornada 820 - Manual (Page 141)

Chapter 7
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Customizing your HP Jornada
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137
You should respond immediately when a message warning of low battery power is
displayed. When the main battery power is low, simply connect the HP Jornada to AC
power to recharge. When the backup battery power is low, the backup batteries must be
replaced as soon as possible. It is recommended that you back up your data and run the
HP Jornada only on AC power until you have replaced the backup batteries.
For procedures on charging the main battery or replacing the
backup batteries, see the
Setting up your HP Jornada
section in chapter 2.
Using the Power control panel
Use the Power control panel to check the power level of the
main battery and backup batteries, as well as to set certain
options that will improve battery life.
Power Status tab
The Power Status tab displays information about the
current state of your batteries. This information helps you
determine how long you can operate your HP Jornada before
needing to recharge the battery.
The power level of the main battery is displayed as a percent-
age of full power and in terms of how many hours (estimated)
remain before the battery must be recharged. When
approximately 30 minutes or less of battery time remain,
the low battery icon is displayed in the Windows CE
taskbar.
The power level of the backup batteries is indicated as
Good, Low, or Very Low power. When the backup battery
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