Sony PCG-SRX99 - Manual (Page 77)

To switch the microphone jack functionality
To switch the Microphone jack functionality for use with a microphone or an audio device:
1. Double-click on the task tray located in the lower right corner of the Desktop window. The Volume Control
window appears.
2. From the Options menu, click Properties. The Properties window appears.
3. In the Adjust Volume panel, select Recording, and then click OK. The Recording Control window appears.
4. Select either Microphone or Stereo Out.
When you are recording using a microphone, select Microphone. If you are recording using other audio equipment,
select Stereo Out.
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