HP (Hewlett-Packard) QR251US Laptop User Manual


 
Component Description
(5) Webcam light (select models only) On: The webcam is in use.
(6) Webcam (select models only) Records video and captures still photographs.
To use the webcam, select Start > All Programs > HP >
HP Webcam.
(7) Ambient light sensor When activated, the sensor automatically adjusts the display
brightness based on the lighting conditions in your environment.
(8) Keyboard light On: When the keyboard light is activated.
(9) Keyboard light button Used to activate the keyboard light.
*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, refer to the section of the Regulatory, Safety
and Environmental Notices that applies to your country or region. These notices are located in Help and Support.
Component Description
(1) 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.
(2) WLAN antennas (2)* Send and receive wireless signals to communicate with wireless
local area networks (WLAN).
(3) WWAN antennas (2)* (select models only) Send and receive wireless signals to communicate with wireless
wide-area networks (WWAN).
(4) Internal microphone(s) (1 or 2 depending on
model)
Record sound.
(5) Webcam light (select models only) On: The webcam is in use.
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