HP BOOK XE4500 manual Using Fn Hot Keys, Hot Key Effect

Using Fn Hot Keys

The combination of the Fn key plus another key creates a hot key—a shortcut key sequence—for various system controls. To use a hot key, press and hold Fn, press the appropriate second key, then release both keys.

	Table 1-6. Fn Hot Keys
Hot Key	Effect
Fn+F1	Decreases the display brightness.
Fn+F2	Increases the display brightness.
Fn+F5	Toggles among the built-in display, an external display, and simultaneous display on
	both.
Fn+F8	Toggles the built-in keypad on and off. Does not affect an external keyboard. If Num
	Lock is on, then the numeric functions are active; otherwise, cursor control is active (as
	marked on an external keyboard).
Fn+F12	Enters Hibernate mode.
Fn+NumLock	Toggles Scroll Lock on and off.
Fn+Page Up	Increases the audio volume and cancels the mute setting.
Fn+Page Down	Decreases the audio volume.
Fn+Backspace	Audio mute.

1-8 Product Information HP Omnibook XE4100/XE4500