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136 | HP Jornada 680/680e Users Guide
Ensure that the main battery is charged before you remove the backup battery. If the
main battery is low or you are not sure, connect to AC power before you remove the
backup battery.
To replace the backup battery
1. Using a small, Philips screwdriver, unscrew the
cover plate from the backup battery compartment.
Be careful not to misplace the small screw.
2. Remove the backup battery.
3. Insert a new 3-V CR2032 coin cell battery into the
backup battery compartment with the positive (+)
side facing up.
4. Replace the cover plate and the screw.
Do not mutilate, puncture, or dispose of batteries in fire. The batteries can burst or
explode, releasing hazardous chemicals. Replace batteries with only the types
recommended in this Users Guide. Discard used batteries according to the manufacturers
instructions.
Using the Power control panel
Use the Power control panel to check the status of your main
and backup batteries and to set options that can increase
battery life. These include setting options for power off or
auto-suspend, setting options for power on, and setting
controls to automatically dim the backlight.
To open the Power control panel
1. On the Start menu, point to Settings, tap Control
Panel, and then double-tap the Power icon.
or
Double-tap the power status icon in the status area of
the taskbar.