COMPRO COMPROFM Manual page 19

ComproFM User Interface
Audio Device
Normally, the audio device is set to the name of your
sound card.
Note:
You must select the proper Audio devices for correct
operation.
If you cannot see the name of your sound card, the sound
card drivers are probably not correctly installed. Please
see Chapter 5, "Troubleshooting."
Audio Input
Choose the "AUX-In" if you are using an internal audio
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