Using The Microphone Input Jack; Using The Audio Line-Out Jack; Using Video Features - HP compaq Hardware Manual

Using the Microphone Input Jack

When an external microphone is connected to the notebook, the
notebook microphone is disabled.
When connecting a microphone to the microphone input jack, use
a monaural microphone with a 3.5-mm plug.

Using the Audio Line-Out Jack

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WARNING: To reduce the risk of personal injury, adjust the volume
before putting on headphones or a headset.
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CAUTION: To prevent possible damage to an external device, do
not plug a single-sound channel (monaural) connector into the
audio line-out jack.
When connecting a device to the audio line-out jack, use only a
3.5-mm stereo plug. For best sound quality, use 24-ohm to
32-ohm headphones.
When an external audio device is connected to the audio-out jack,
the notebook stereo speaker is disabled.

Using Video Features

The notebook features an S-Video out jack. An S-Video cable
attaches the notebook to an optional S-Video device, such as a
television, VCR, camcorder, overhead projector, or video capture
card. The notebook supports one S-Video device connected to the
S-Video out jack while simultaneously supporting an image on
the notebook display and on any other supported external display.
Hardware Guide
Audio and Video
5–3