Hauppauge WinTV Installation And Reference Manual page 14

WinTV
Installation and Reference Manual
If LineIn is muted, unmute it to hear audio from the WinTV.
You should see Line-In balance as one of the selections. If not, then
click on Options/Properties and under Show the following vol-
ume controls check Line-In. Then click OK.
You should now see a selection for Line-In. Make sure the Select
box is checked, then raise the volume to about 1/2 of the way to the
top. This should be a good starting point for the volume control.
In the WinTV application under the Configure/Audio menu, the Mixer
ID should be set at Line-In.
As you adjust the audio volume in the WinTV application, you should
see the slide bar in the VolumeControl window rise and fall.
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