HP Compaq Presario CQ42-210AU Notebook PC - Manual (Page 41)

Component Description
(1) Internal microphone Records sound.
(2) Webcam (select models only) Records audio and video and captures still photographs.
(3) Webcam light (select models only) Turns on when video software accesses the webcam.
(4) Volume down action key ( f9 ) Decreases speaker sound.
(5) Volume up action key ( f10 ) Increases speaker sound.
(6) Volume mute action key ( f11 ) Mutes and restores speaker sound.
(7) Speakers (2) Produce sound.
(8) Audio-out (headphone) jack Produces sound when connected to optional powered
stereo speakers, headphones, earbuds, a headset, or
television audio.
WARNING! To reduce the risk of personal injury, adjust
the volume before putting on headphones, earbuds, or a
headset. For additional safety information, refer to the
Regulatory, Safety and Environmental Notices.
NOTE: When a device is connected to the headphone
jack, the computer speakers are disabled.
(9) Audio-in (microphone) jack Connects an optional computer headset microphone,
stereo array microphone, or monaural microphone.
Multimedia features 31