Panasonic Toughbook CF-47 Series Reference Manual page 16

Battery Power
When the Remaining Battery Charge Becomes Low
save your data and power off your computer
Following that:
Plug in the AC adapter, and fully charge your battery.
Use a spare battery if you have one.
If you have neither the AC adapter nor an extra battery, shut down the computer.
If the suspend or hibernation function is set
Red indicator lights
1 2
Beep sounds* *
(at approx. 9% capacity*
If the suspend or hibernation function is not set
Red indicator lights
(at approx. 9% capacity*
* 1 When disabling the speakers with the Setup Utility (or pressing
warning beep is also disabled.
* 2 When the settings in [Control Panel] - [Power Management] begin to result in a better
power saving efficiency, those settings (Windows settings) should take precedence.
Suspend Mode or Hibernation Mode
(at approx. 4% capacity*
2
)
Beep sounds* 1 * 2
2
) (at approx. 4% capacity*
2
)
Computer
goes off
2 )
2
(at approx. 0% capacity* )
Fn + F4 ), the
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