To Use The Fn Hot Keys - HP OmniBook 4100 Reference Manual

To use the Fn hot keys

Pressing these keys
Fn + F1
Fn + F2
Fn + F3
Fn + F4
Fn + F5
Fn + F8
Fn + F12
Fn + S
Fn + R
Fn + ScrLk
Fn + UP ARROW
Fn + DOWN ARROW
If you are using an external keyboard, the Fn key = CTRL+ALT.
Hint
The combination of the Fn key plus another key creates a hot key—a
shortcut key sequence—for various system controls. The OmniBook
keyboard shows the Fn hot keys labeled in gray.
Does this
Decreases the display's brightness.
Increases the display's brightness.
Decreases the display's contrast (non-TFT displays only).
Increases the display's contrast (non-TFT displays only).
Switches among the built-in display, an external display, and
simultaneous displays.
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.
Enters Hibernate mode.
Enters Standby mode.
Enters Suspend mode
Toggles Scroll Lock on and off.
Increases the volume.
Decrease the volume.
Operating the OmniBook
Using the OmniBook Keyboard
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