Acer Aspire 1690 manual Hot Key Icon Function Description Fn-F5, Fn-F6, Fn-F7, Fn-F8, Fn- ↑, Fn- ↓

English

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Hot Key Icon	Function	Description
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.