Lenovo ThinkPad i Series 1124 ThinkPad 240 User's Reference that shipped with - Page 42

Display Device, Power Mode, Launches Device Manager, Device, enabled

Page 42 highlights

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 maximumperformance 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

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Distinctive functions of your computer
±1²
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.
±2²
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.
±3²
The
Launches Device Manager
button
Click this button to launch the Control Panel System Properties
window.
±4²
The
Help
button displays online help.
±5²
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