HP ProBook 5220m Notebook PC - Manual (Page 16)

Display components
Component Description
(1) Internal display switch Initiates Hibernation, the Suspend state, the screen saver, or turns
off the display if the display cover is closed while the power is on.
(2) Internal microphone Records sound.
(3) Webcam light (select models only) On: The webcam is in use.
(4) Webcam (select models only) Records audio and video and captures still photographs.
Wireless antennas
Your computer has at least two antennas that send and receive signals from one or more wireless
devices. These antennas are not visible from the outside of the computer.
8 Chapter 1 Features