Compaq Evo N400c

Audio and Video
Hardware Guide 6–3
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WARNING: To reduce the risk of personal injury, turn down the
volume control before putting on headphones.
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CAUTION: To prevent possible damage to an external device, do
not plug a single-sound channel (monaural) connector into the
stereo speaker/headphone jack.
Connecting a Microphone
When connecting a device to the microphone jack:
■ Use a single sound channel (monaural) microphone with a
3.5-mm plug.
■ A powered, single sound channel, electret condenser
microphone is recommended.
■ Only the left channel will be recorded if you use a stereo
microphone.
■ The recommended sensitivity will not be achieved if you use
a dynamic microphone.
When an external microphone is connected to the computer, the
computer microphone is disabled.
Adjusting Volume
To increase, decrease, or mute the system volume, use the
following methods:
■ Computer volume buttons
❏ To decrease volume, press the left button.
❏ To increase volume, press the right button.
❏ To mute or restore volume, press both buttons
simultaneously.