Sony PCG-GRX530P Manual

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To connect external speakers 
1.
Verify that your speakers are designed for notebook use, and turn down the volume of the speakers. 
2.
Locate the 
Headphone jack on the right panel of the notebook, and plug the speaker cable (supplied with
speakers) connector into this jack. 
  Connecting Speakers to the Headphone Jack 
  Note: 
 
See the manual that came with your speakers for more information on their installation and use. 
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