HP EliteBook 840 G1 Notebook PC - Manual (Page 21)

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Component Description
(1) WLAN antennas (2)* Send and receive wireless signals to communicate with wireless
local area networks (WLAN).
NOTE: To set up a WLAN and connect to the Internet, you
need a broadband modem (either DSL or cable) (purchased
separately), high-speed Internet service, purchased from an
Internet service provider, and a wireless router (purchased
separately).
(2) WWAN antennas (2)* Send and receive wireless signals to communicate with wireless
wide area networks (WWAN).
(3) Internal microphones (2) Record sound.
(4) Webcam light (select models only) On: The webcam is in use.
(5) Webcam (select models only) Records video and captures still photographs.
To use the webcam, select Start > All Programs >
Communication and Chat > HP Webcam.
(6) Internal display switch Turns off the display or initiates Sleep if the display is closed
while the power is on.
NOTE: The display switch is not visible from the outside of the
computer.
*The antennas are not visible from the outside of the computer. For optimal transmission, keep the areas immediately
around the antennas free from obstructions. To see wireless regulatory notices, see the section of the Regulatory, Safety,
and Environmental Notices that applies to your country or region. These notices are located in Help and Support.
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