Panasonic CF-T7 Series Reference Manual page 23

Battery Power
Computer behavior with low battery
The default settings are as follows.
When the remaining battery power becomes 10%
[Low battery level]
Displays a message that the remaining battery power is
low.
Charge the battery.
Connect the AC adaptor immediately. If you do not
have the AC adaptor, exit the running programs and
Windows, then confirm that the power indicator is off.
If you have a fully charged spare battery, turn off the
computer, replace the battery and turn the computer on
again.
We recommend that you become familiar with alarm settings to become aware when battery
power is low.
1
Click (Start) - [Control Panel] - [System and Maintenance] -
[Power Options].
2
Click [Change plan settings] of the power plan you want to
change.
3
Click [Change advanced power settings].
4
Double-click [Battery], and double-click the item you want to
change.
5
Change the settings.
Set the value for [Critical battery level] to 5% or more.
This is necessary for the sleep or hibernation to be completed (assuring data is saved) when the remaining
battery power is low.
6
Click [OK].
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When the remaining battery power becomes 5%
[Critical battery level]
The computer enters hibernation.
Connect the AC adaptor or replace the battery to start up
the computer.
Connect the AC adaptor and charge the battery.
If you have a fully charged spare battery, turn off the
computer, replace the battery and turn the computer on
again.
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