Lenovo 6175 manual Safety and Warranty Guide

6.If you have audio devices, attach them using the following instructions. For more information about speakers, see steps 7 and 8 on page 23.

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1 Audio line-in connector	This connector receives audio signals from an external
	audio device, such as a stereo system.
2 Audio line-out connector	This connector sends audio signals from the computer to
	external devices, such as powered stereo speakers.
3 Microphone connector	Use this connector to attach a microphone to your
	computer when you want to record sound or if you use
	speech-recognition software.
4 Headphone connector	Use this connector to attach headphones to your
	computer when you want to listen to music or other
	sounds without disturbing anyone. This connector might
	be located on the front of the computer.

22Safety and Warranty Guide