Acer 9520, 9510 manual For more details

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16

#	Icon	Item	Description
3		Status indicators	Light-Emitting Diodes (LEDs) that light up to
			show the status of the computer's functions
			and components.
4		Wireless	Enables/disables the wireless function.
		communication	Indicates the status of wireless LAN
		button/indicator	communication.
5		Bluetooth	Enables/disables the Bluetooth function.
		communication	Indicates the status of Bluetooth
		button/indicator	communication.
6		Microphones	Internal microphones for sound recording.
7		Touchpad	Touch-sensitive pointing device which
			functions like a computer mouse.
8		Click buttons	The left and right buttons function like the
		(left, center and	left and right mouse buttons; the center
		right)	button serves as a
			4-way scroll button.
9		Arcade/media	For use with Acer Arcade and other media
		buttons	playing programs.
10		Palmrest	Comfortable support area for your hands
			when you use the computer.
11		Keyboard	For entering data into your computer.
12		Power button	Turns the computer on and off.
13		Easy-launch	Buttons for launching frequently used
		buttons	programs. See "Easy-launch buttons" on page
			29 for more details.