10EnglishPower managementThis computer has a built-in power management unit that monitors systemactivity. System activity refers to any activity involving one or more of thefollowing devices: keyboard, mouse, hard disk, peripherals connected to thecomputer, and video memory. If no activity is detected for a period of time(called an inactivity timeout), the computer stops some or all of these devices inorder to conserve energy.This computer employs a power management scheme that supports theadvanced configuration and power interface (ACPI), which allows for maximumpower conservation and maximum performance at the same time. Windowshandles all power-saving chores for your computer.Acer PowerSmart keyNote: This feature is only available on certain models.The Acer PowerSmart key uses the power-saving features of your computer'sgraphics sub-system to reduce overall power consumption. When you press theAcer PowerSmart key, the screen brightness is reduced and the graphics chipswitched to a lower speed; PCI and WLAN switch to power-saving modes. Pressthe Acer PowerSmart key again to return to your previous settings.