Panasonic TOUGHBOOK CF-48 - Manual (Page 23)

Battery Indicator
The red indicator lights.
Repeated beeping sound
while the computer is in use. The battery level is low. Save your data and power off your computer.
After connecting the AC adaptor or replacing the battery pack with a fully charged one, turn
your computer on.
The red indicator blinks • The battery pack or recharging function may be defective. Quickly remove the battery
pack and disconnect the AC adaptor, then connect them again.
• If the problem persists, contact Panasonic Technical Support.
The orange indicator blinks Unable to charge because of an improper temperature range. (C^ page 6)
Application Software
Computer hangs Press CctrD+CAiD+CDiD and select [Shut Down].
After shutting down by pressing the power switch for more than four seconds, press the
power switch to power on and open the application again.
If the program no longer works normally, go to [Start] - [Settings] - [Control Panel] -
[Add/Remove Programs] to delete the program. Then reinstall the program.
Reference Manual
The Reference Manual is Is Acrobat Reader installed?
not displayed If Acrobat Reader is not installed, run [c:\util\reader\ar500enu.exe] in [Start] - [Run] to
reinstall the program. When installing the program, do not change the installation destina­
tion folder. If the destination folder is changed, the Reference Manual cannot be opened
from the [Start] menu.
Shutting down
Unable to shut down Win­
dows If a USB device is connected, try removing it.
Do not shut down Windows during music playback.
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