Sony PCG-R505ELK - Manual (Page 68)

Connecting an External Microphone
You can use an external microphone to enhance the quality of the sound input. See the manual that came with your
microphone for more information on its installation and use.
Verify that your microphone is designed for computer use. The microphone should be compliant with the plug-in power
microphone.
To connect an external microphone
1. Locate the red Microphone jack on the right side of your computer.
2. Plug the microphone cable into the Microphone jack.
Connecting Microphone to Microphone Jack
Page 68