Panasonic CF-37 Series Reference Manual page 28

Battery Power
When the remaining battery charge becomes low
save your data and power off your computer
Following that:
Plug in the AC adaptor, and fully charge your battery.
Use a spare battery if you have one.
If you have neither the AC adaptor nor an extra battery, power the computer off.
Windows NT
If the standby or hibernation function is set
Red indicator lights
Beep sounds* 1
(at approx. 9% capacity)
If the standby or hibernation function is not set
Red indicator lights
Beep sounds*
1
(at approx. 9% capacity)
*
1 When disabling the speakers with the Setup Utility (or pressing
warning beep is also disabled.
Windows 2000
Power settings, e.g., warning*
in [Control Panel] - [Power Options]
* When disabling the speakers with the Setup Utility (or pressing Fn + F4 ), the warning
2
beep is also disabled.
CAUTION
Set the value for the [Critical battery alarm] (in [Control Panel] - [Power Op-
tions] - [Alarms]) to 4% or more. Unless this is done, the standby or hiberna-
tion function may not complete (e.g., saving data) when the battery level is
low.
When making a setting for [When the alarm goes off, the computer will:] in
[Alarms] - [Alarm Action], add a check mark for [Force standby or shutdown
even if a program stops responding].
If the computer shuts down or enters the standby or hibernation mode by the
Alarm settings function, start up the computer or resume operations after
connecting the AC adaptor. If the computer starts up or resumes while the AC
adaptor is not connected, Windows may not operate properly or alarm opera-
tions may stop working.
Standby Mode or Hibernation Mode
(at approx. 4% capacity)
Computer
goes off
(at approx. 0% capacity)
2 for a low battery level, can be made
28
Fn + F4 ), the