Acer Aspire 9100 - Manual (Page 26)

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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-↑ 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