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Mobile computing
5.375 x 8.375 ver 3.1
The RTC battery powers the RTC memory that stores your
system configuration settings and the current time and date
information. It maintains this information for up to a month
while the computer is turned off.
TECHNICAL NOTE: The RTC battery does not charge while the
computer is turned off, even when AC power is attached.
The RTC battery charges only while the computer is powered on.
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 blue 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
HINT: Be careful not to confuse the battery light () with the on/off
light (). When the on/off light flashes amber, it indicates that the
system is suspended (using the Windows
®
operating system
Standby command).
HINT: Be careful not to confuse the battery light () with the on/off
light
() and the power button light (near the upper left corner of
the keyboard). When the on/off light or power button light flashes
amber, it indicates that the system is suspended (using the
Windows
®
operating system Standby command).