Choose the Analog Input to S/PDIF-Out and then click the Select Source
button. Then the Select Source window appears.
! Select Source: Since the analog input signal needs to be recorded and
converted to digital format, you have to click Select Source button and
select one analog source in the "Select Source" window. Actually the selected
item synchronizes with the recording panel of Microsoft.
Using 2-, 4- or 6-Channel Audio Function
A-9