Samsung Handheld Tablet PC 用户手册

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Press the 

Menu button and click   from the Brightness item to decrease the LCD 

brightness. Then you can extend the battery usage time.
Alternatively, press the ‘-‘

Volume Control button on the left side of the computer while 

holding down the 

Menu button to decrease the LCD brightness.

Easy Battery Manager is a power management program that enables using the battery 

power efficiently. You can select an optimized power mode according to your require-

ments.

Alternatively, right-click the power measuring device icon ( ) in the notification 

area of the taskbar and select 

Power Options.

  If the following screen appears, select one of the modes.