Sorry, I reread the docs. You need to set your 'Input Source's to 'Front Mic' to use the _external mic jack_. 'Digital Input Source' needs to be set to 'Analog Inputs'.
Sorry, I reread the docs. You need to set your 'Input Source's to 'Front Mic' to use the _external mic jack_. 'Digital Input Source' needs to be set to 'Analog Inputs'.