Acer 4020 manual Front Panel, Icon Description

Front Panel

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Icon	Item	Description
	Speakers	Left and right speakers deliver stereo audio
		output.
	Power indicator	Lights when the computer is on.
	Battery indicator	Lights when the battery is being charged.
	Bluetooth	Press to enable/disable Bluetooth function.
	communication	Lights to indicate the status of Bluetooth
	button/indicator	communications.
	Wireless	Press to enable/disable Wireless function.
	communications	Lights to indicate the status of wireless LAN
	button/indicator	communications. (manufacturing option)
	Line-in jack	Accepts audio line-in devices (e.g., audio CD
		player, stereo walkman).
	Microphone jack	Accepts inputs from external microphones.
	Speaker/Line-Out/	Connects to audio line-out devices (e.g.,
	Headphone jack	speakers, headphones).
	USB 2.0 port	Connects to Universal Serial Bus (USB) 2.0
		devices (e.g., USB mouse, USB camera).

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Latch

Locks and releases the lid.

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