Samsung NP900X4D-A04US - Manual (Page 84)

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Chapter 3.
Settings and Upgrade
Battery
Extending the Battery Usage Time
Decreasing the LCD Brightness
Press the + keys on the keyboard to decrease the LCD
brightness to extend the battery usage time.
Using the power management program
This program helps you use the battery more effi ciently
and supports the power mode optimized for the operating
environment.
1
Click Start > Control Panel > Hardware and Sound >
Power Options.
Alternatively, right-click the power measuring device icon
in the notifi cation area of the taskbar and select Power
Options.
2
If the following screen appears, select one of the modes.
Extending the Battery Life (Optional)
In the Easy Settings program, click General and set the Battery
Life Extender to ON or OFF.
OFF
This mode maintains 100% of the battery charge
when using the computer on AC power. In this case,
although the battery use time increases, the battery
life is reduced.
ON
This mode maintains 80% of the battery charge
when using the computer on AC power. In this
case, although the battery use time decreases, the
battery life is extended.