Optimal power settings can be determined by trial-and-error.

可以进行多次试验而决定最佳功率设置。

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Use the techniques presented here to change your power Settings based on the application in focus, user activity, and general system performance.

使用本文提供的技术，根据焦点中的应用程序、用户活动及一般系统性能更改电源设置。

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The laptops are 40 percent more energy efficient than previous ThinkPad laptops, and users can deploy Lenovo's Power Manager software tool to monitor and adjust their power settings.

ENGADGET: Lenovo ThinkPad L Series arrives for the eco-conscious professional

There's a pair of USB 3.0 inputs, an HDMI port, optical audio and Ethernet connections on the rear, and buttons for power and settings on the front, but you can easily hide the console deep inside your home theater rig -- it can be controlled exclusively with a Android 4.2-equipped smartphone or tablet.

ENGADGET: Samsung HomeSync Android TV box hands-on (video) HD

For instance, S-Launcher is a desktop widget that replicates the now-extinct Start Menu, live search and all. eSettings, meanwhile, is a centralized options menu for folks who might not know where to find power management or display settings in Win 8.

ENGADGET: Samsung Series 5 UltraTouch Ultrabook arrives October 26th, starting at $799