Switching The Display (Fn+F4); Viewing Battery Charge Information (Fn+F8); Decreasing Screen Brightness (Fn+F9) - HP COMPAQ 309971-002 Hardware Manual

Switching the Display (Fn+F4)

The
Fn+F4
connected to the external monitor connector or the S-Video jack
on the notebook. For example, if an external monitor is connected
to the notebook, pressing the
toggle the image between the notebook display, the external
monitor display, and a simultaneous display on both the notebook
and the monitor.
Most external monitors receive video information from the
notebook using the external VGA video standard. The
hotkey can also toggle images between other devices receiving
video information from the notebook.
The following five video transmission types, with examples of
devices that use them, are supported by the
■
LCD (notebook display)
■
External VGA (most external monitors)
■
S-Video (televisions, camcorders, VCRs, and video capture
boards with S-Video-in jacks)

Viewing Battery Charge Information (Fn+F8)

Press
Fn+F8
packs. The display indicates which battery packs are charging and
reports the amount of charge remaining in each battery pack.
Battery pack locations are indicated by number:
■
Location 1 is the primary battery pack.
■
Location 2 is the travel battery pack.

Decreasing Screen Brightness (Fn+F9)

The
Fn+F9
down the hotkey to decrease the brightness level incrementally.
Hardware Guide
hotkey switches the image between display devices
to display charge information for all installed battery
hotkey decreases notebook screen brightness. Hold
Pointing Devices and Keyboard
hotkey multiple times will
Fn+F4
Fn+F4
Fn+F4
hotkey:
2–7