To Connect An Audio Device - HP 370697-002 Reference Manual

To Connect an Audio Device

You can plug in an external microphone, external speakers, or
headphones.
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CAUTION: The headphone and line-in jacks are three-terminal stereo
jacks. They are not compatible with two-terminal mono plugs.
Connecting a mono plug into either of these jacks may damage the
notebook.
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Attach the audio cable to the corresponding audio port on the
notebook.Match your notebook to one of the following
illustrations and locate the audio ports on your notebook.
When you plug a device into the headphone port, the built in
speakers automatically turn off.
Reference Guide
1
External microphone connector (pink)
2
Audio out (headphones) connector (green)
Add-On Devices
5–3