Using The Audio-In (Microphone) Jack; Using The Audio-Out (Headphone) Jack - HP Presario A900 - Notebook PC User Manual

Component
(6) Volume down hotkey (-)
(7) Volume mute hotkey (*)
(8) Internal microphone

Using the audio-in (microphone) jack

The computer is equipped with a stereo (dual-channel) microphone jack that supports an optional stereo
array or monaural microphone. Using sound recording software with external microphones allows for
stereo recordings.
When connecting a microphone to the microphone jack, use a microphone with a 3.5-mm plug.

Using the audio-out (headphone) jack

WARNING!
earbuds, or a headset. For additional safety information, refer to the Regulatory, Safety and
Environmental Notices guide.
CAUTION:
(monaural) connector into the headphone jack.
In addition to connecting headphones, the headphone jack is used to connect the audio input function
of an audio device such as external powered speakers or a stereo system.
When connecting a device to the headphone jack, use only a 3.5-mm stereo plug.
When a device is connected to the headphone jack, the speakers are disabled.
2 Chapter 1 Using multimedia hardware
To reduce the risk of personal injury, adjust the volume before putting on headphones,
To prevent possible damage to an external device, do not plug a single sound channel
Description
Decreases speaker sound when pressed in combination with the
fn key.
Mutes and restores speaker sound when pressed in combination
with the fn key.
Records sound.