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Mobile Computing
Monitoring main battery power
To recharge the RTC battery, plug the computer into a live electrical
outlet and leave the computer powered on for 24 hours.
It is seldom necessary to charge the RTC battery because it charges
while the computer is on. If the RTC battery is low, the real-time
clock and calendar may display the incorrect time and date or stop
working.
When Hibernation mode is enabled and the RTC battery is
completely discharged, a warning prompts you to reset the real-time
clock.
The computer can be used while the RTC battery is being charged,
although the charging status of the RTC battery cannot be
monitored.
Monitoring main battery power
The computer’s main battery light gives you an indication of the
main battery’s current charge.
❖ Glows amber while the main battery is being charged
(AC adaptor connected)
❖ Glows white when the main battery is fully charged
❖ Is unlit when the battery has discharged, the battery is not
charging, or the AC adaptor is not plugged into the computer or
AC outlet
Battery life and charge time may vary, depending upon power
management settings, applications and features used.
❖ Flashes amber when the main battery charge is low and it is
time to recharge the main battery or plug in the AC adaptor
If the DC-IN power light flashes amber during charging, either a
battery pack is malfunctioning, or it is not receiving correct input
from the AC power supply.
Disconnect the AC power cord/cable and remove the battery pack.
See “Changing the main battery” on page 116 for information on
replacing the main battery.
NOTE
NOTE
NOTE