Packard Bell DOT S series User Manual page 18

Icon Function
Help
Communication
Display toggle
Screen blank
Touchpad toggle
Speaker toggle
Volume down
Volume up
Brightness down
Brightness up
18
Description
Opens the User's Guide for your computer.
Enables/disables the computer's communication
devices.
Switches display output between the display screen,
external monitor (if connected) and both.
Turns the display screen backlight off to save power.
Press any key to return.
Turns the internal touchpad on and off.
Turns the speakers on and off.
Decreases the sound volume.
Increases the sound volume.
Decreases the screen brightness.
Increases the screen brightness.