To Use The Fn Hot Keys - HP OmniBook xt1000 Series Reference Manual

This hot key
Fn+F1
Fn+F2
Fn+F5
Fn+F8
Fn+Num Lock
Fn+Page Up
Fn+Page Down
Fn+Backspace
Fn+any One-Touch button
Basic Operation
Operating Your Notebook

To use the 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.
Does this
Decreases the display brightness.
Increases the display brightness.
Toggles among the built-in display, an external display, and simultaneous display
on both.
Toggles the built-in keypad on and off. Does not affect an external keyboard. If
Num Lock is on, the numeric functions are active; otherwise, cursor control is
active (as marked on an external keyboard).
Toggles Scroll Lock on and off.
Increases the volume (and turns audio on if muted).
Decreases the volume.
Toggles the mute function on and off.
Toggles the One-Touch button LEDs on and off (selected models).
External keyboards do not support Fn hot keys.
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