Acer TravelMate 420 Service Manual page 15

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Chapter 1
Palmrest Comfortable support area for your hands
when you use the computer.
Outputs sound.
Status indicators LEDs (light-emitting diode) that turn on and
off to show the status of the computer, its
functions and components.
Microphone Inputs sounds and voice into your
computer.
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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