Acer 9800 User Manual page 55

Hotkey Icon
<Fn> + <↑>
<Fn> + <↓>
<Fn> + <→>
<Fn> + < ← >
Function
Volume up
Volume down
Brightness up
Brightness down
Description
Increases the sound volume.
Decreases the sound volume.
Increases the screen brightness.
Decreases the screen brightness.
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