Samsung NP400B2BI User Manual Xp/windows7 Ver.1.8 (English) - Page 115

Battery Chapter 3. Settings and Upgrade 114 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. ► For Windows 7/Vista 1 Click Start > Control Panel > Hardware and Sound > Power Options. Alternatively, right-click the power measuring device icon in the notification area of the taskbar and select Power Options. Using the battery mode (Optional) Press the Fn + F8 key combination. The battery mode window will appear that helps you to use the battery efficiently. The battery modes optimized for the operating environment are supported. 2 If the following screen appears, select one of the modes. These descriptions are for Windows 7 and for supported models only. Samsung Optimized Using the battery modes To use the power options of the Easy Display Manager program after reinstalling Windows, you can install the Easy Display Manager program using the system software media. Since the battery mode is optimized to extend the battery use time, programs that require high performance may slow down when the computer is running on battery power. In this case, it is recommended connecting the AC adapter or selecting high-performance mode. Samsung Optimized This mode is appropriate for normal conditions. It maximizes the system performance when the computer is running on AC power while maximizing the battery usage time when the computer is running on battery power.