Acer Extensa 4100 - Manual (Page 28)

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English
Fn-F5 Display toggle Switches display output
between the display screen,
external monitor (if
connected) and both the
display screen and external
monitor.
Fn-F6 Screen blank Turns the display screen
backlight off to save power.
Press any key to return.
Fn-F7 Touchpad toggle Turns the internal touchpad
on and off.
Fn-F8 Speaker toggle Turns the speakers on and
off.
Fn- ↑ Volume up Increases the sound volume.
Fn- ↓ Volume down Decreases the sound volume.
Fn- → Brightness up Increases the screen
brightness.
Fn-← Brightness down Decreases the screen
brightness.
Hot Key Icon Function Description