Extending The Battery Usage Time - Samsung NP-RV508I User Manual

Extending the Battery Usage
Time
Decreasing the LCD Brightness
Press the Fn +
to decrease the LCD brightness to extend the
battery usage time.
You can only use this function
after installing Windows XP/
Windows Vista/Windows 7 Vista
and installing the Easy Display
Manager program with the system
software media disk.
(Only for Windows XP/Windows
Vista/Windows 7)
keys on the keyboard