Chapter 6. Special Keys - ThinkPad Edge E540 Maintenance Manual

Chapter 6. Special keys

The following table describes the functions of function keys and key combinations.
Table 8. Special keys
Special key Description
Enables or disables the Fn Lock function.
+
When the Fn Lock function is disabled: The Fn Lock indicator is off. To initiate the special
function of each key, press the function keys directly. To input F1-F12, press the Fn key
and the corresponding function key.
When the Fn Lock function is enabled: The Fn Lock indicator turns on. To initiate the
special function of each key, press the Fn key and the corresponding function key. To input
F1-F12, press the function keys directly.
Mutes or unmutes the speakers.
If you mute the sound and turn off your computer, the sound will remain muted when you turn
on your computer again. To turn on the sound, press F1, F2, or F3.
Decreases the speaker volume.
Increases the speaker volume.
Mutes or unmutes the microphones.
Darkens the display.
Brightens the display.
Switches the display output location.
Enables or disables the built-in wireless networking features.
For Windows 8: Opens the Settings charm.
For Windows 7: Opens Control Panel.
For Windows 8: Opens the Search charm.
For Windows 7: Opens Windows Search.
Views the programs that you have opened.
For Windows 8: Views all the programs.
For Windows 7: Opens Computer.
Launches the calculator.
Locks the operating system.
Opens the default browser.
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