To Use The Fn Hot Keys - HP OmniBook 2100 Reference Manual

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. The OmniBook
keyboard shows the Fn hot keys labeled in gray.
Pressing these keys
Fn + F1
Fn + F2
Fn + F3
Fn + F4
Fn + F5
Fn + F6 (hold)
Fn + F7
Fn + F8
Fn + F9
Fn + F10
Fn + F12
Fn + S
Fn + R
Fn + Up-Arrow
Fn + Down-Arrow
Does this
Decreases the display's brightness.
Increases the display's brightness.
Decreases the display's contrast (DSTN displays only).
Increases the display's contrast (DSTN displays only).
Toggles between auto detecting an external display and
simultaneous displays.
For use with two batteries: Briefly displays the individual battery
status for each battery, then resumes displaying the combined
battery status. For complete information about battery status, see
page 2-15.
Toggles the sound on and off (mutes sound).
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.
Toggles Num Lock (numeric functions for the keypad) on and off.
Toggles Scroll Lock on and off.
Enters Hibernate mode.
Enters Standby mode in Windows 95 or Windows NT. Enters
Suspend mode in Windows 98.
Enters Suspend mode.
Increases volume.
Decreases volume.
Operating the OmniBook
Using the OmniBook Keyboard
2-11