Resolving a low battery level
CAUTION:
and has initiated Hibernation, do not restore power until the power light turns off.
Resolving a low battery level when external power is available
Connect one of the following devices:
▲
●
AC adapter
●
Optional expansion product or docking device
●
Optional power adapter
Resolving a low battery level when a charged battery is available
1.
Turn off the computer or initiate Hibernation.
2.
Remove the discharged battery, and then insert a charged battery.
3.
Turn on the computer.
Resolving a low battery level when no power source is available
Initiate Hibernation.
▲
– or –
Save your work and shut down the computer.
Resolving a low battery level when the computer cannot exit Hibernation
When the computer lacks sufficient power to exit Hibernation, follow these steps:
1.
Insert a charged battery or plug the computer into external power.
2.
Exit Hibernation by briefly pressing the power button.
Calibrating a battery
Calibrate a battery under the following conditions:
●
When battery charge displays seem inaccurate
●
When you observe a significant change in battery run time
Even if a battery is heavily used, it should not need to be calibrated more than once a month. It is also
not necessary to calibrate a new battery.
Step 1: Fully charge the battery
WARNING!
NOTE:
The battery charges whether the computer is off or in use, but it charges faster when the
computer is off.
To reduce the risk of losing information when the computer reaches a critical battery level
Do not charge the computer battery while you are onboard aircraft.
Using battery power
21