HP Tc4200 Hardware-Software Guide - Page 72

Decreasing Screen Brightness (fn+f9), Activating the Ambient Light Sensor (fn+f11) - remove keyboard

Page 72 highlights

Pointing Devices and Keyboard Decreasing Screen Brightness (fn+f9) Press fn+f9 to decrease screen brightness. Hold down the hotkey to decrease the brightness level incrementally. Increasing Screen Brightness (fn+f10) Press fn+f10 to increase screen brightness. Hold down the hotkey to increase the brightness level incrementally. Activating the Ambient Light Sensor (fn+f11) Press fn+f11 to turn on and off the ambient light sensor. For more information about the ambient light sensor, refer to the "Using Ambient Light Sensor" section in this chapter. Displaying System Information (fn+esc) Press fn+esc to display information about system hardware components and software version numbers. Press fn+esc a second time to remove the system information from the screen. ✎ The system BIOS date is the version number of the system ROM. The BIOS date may display in a decimal format, such as 10/19/2002 F.07. Hardware and Software Guide 3-9

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Pointing Devices and Keyboard
Hardware and Software Guide
3–9
Decreasing Screen Brightness (fn+f9)
Press
fn+f9
to decrease screen brightness. Hold down the hotkey
to decrease the brightness level incrementally.
Increasing Screen Brightness (fn+f10)
Press
fn+f10
to increase screen brightness. Hold down the hotkey
to increase the brightness level incrementally.
Activating the Ambient Light Sensor (fn+f11)
Press
fn+f11
to turn on and off the ambient light sensor. For more
information about the ambient light sensor, refer to the
“Using
Ambient Light Sensor”
section in this chapter.
Displaying System Information (fn+esc)
Press
fn+esc
to display information about system hardware
components and software version numbers. Press
fn+esc
a second
time to remove the system information from the screen.
The system BIOS date is the version number of the system ROM.
The BIOS date may display in a decimal format, such as
10/19/2002 F.07.