HP ProBook 5220m Notebook PC - Manual (Page 55)

Component Description
(1) Internal microphone Records sound.
(2) Webcam (select models only) Records audio and video and captures still photographs.
(3) Audio-out (headphone) jack/Audio-in
(microphone) jack Produces sound when connected to optional powered stereo
speakers, headphones, ear buds, or a headset. Also connects an
optional headset microphone.
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.
(4) Speakers (2) Produce sound.
Adjusting the volume
You can adjust the volume using the following controls:
● A computer volume hotkey—A combination of the fn key (1) and either the f10 (2), f11 (3), or f12
(4) function key:
◦ To mute or restore volume, press fn+f10 .
◦ To decrease volume, press fn+f11 .
Multimedia features 43