Using the battery – Sony PCG-GRX690K User Manual
Page 6

Using the Battery
A battery is an auxiliary power source you can use when your computer is not plugged into an AC outlet. Your computer
may come equipped with one or two battery bays, depending on the model you purchased. If your computer comes with
two battery bays, you can purchase a second rechargeable battery to extend your computing time. Regardless how many
batteries you use, you can always extend the life of the battery by conserving power. See
for
more information.
Displaying battery information
The battery that comes with your computer is not fully charged at the time of purchase.
The brightness of your computer screen automatically dims when you switch from AC power to battery power. To
increase the brightness of your screen, press the Fn + F5 keys. Press the Up Arrow
or Right Arrow
.
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