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Distinctive functions of your computer
1 The Display Device buttons
Click one of these buttons to set the display output type to the
LCD, external monitor, or both. If making a presentation, you can
click the presentation button to disable any system timers, such as
the LCD turnoff timer or the power management mode timers.
2 The Power Mode buttons
Click one of these buttons to set the power mode to maximum-
performance mode, maximum-battery-life mode, or customized
mode.
3 The Launches Device Manager button
Click this button to launch the Control Panel System Properties
window.
4 The Help button displays online help.
5 The Device buttons
Click the button of your choice from the window. If the device is
enabled, the red indicator next to the button is lit. Otherwise, it
stays off.
30 ThinkPad 240 User's Reference