Fujitsu Lifebook T4220 User Manual page 28

L i f e B o o k T 4 2 0 0 S e r i e s T a b l e t P C - S e c t i o n T w o
Select the Display tab and set the screen brightness slider
for battery and AC power scenarios.
If using AC power, your brightness setting
is set to its highest level by default. If using
battery power, your brightness settings is
set to approximately mid-level by default.
The higher the brightness level, the more
power the Tablet PC will consume and the
faster your batteries will discharge. For
maximum battery life, make sure that the
brightness is set as low as possible.
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