Acer 420 manual Chapter

14	Palmrest	Comfortable support area for your hands
		when you use the computer.
		Outputs sound.
15	Status indicators	LEDs (light-emitting diode) that turn on and
		off to show the status of the computer, its
		functions and components.
16	Microphone	Inputs sounds and voice into your
		computer.
17	Launch keys	Special keys for launching Internet
		browser, E-mail program and frequently
		used programs. Located at the top of the
		keyboard are five buttons. They are
		designated as P1, P2, P3, E-mail button
		and Web browser button. P1, P2 and P3
		launch user-programmable applications; E-
		mail and Web browser launch E-mail and
		Internet browser applications.

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