[Elecraft] Mac Mini, cocoamodem, and k3

[David Guernsey]

Has anyone used cocoamodem with the k3 and a mac mini computer?  How do you hook 
the computer to the k3?  In the manual I find a microphone in plug which would 
be the line in, but find no line out to take the computer audio back to the k3.  
Any help would be appreciated, even if it is to say, "It can't be done."

Thanks in advance.

 73s de Dave KJ6CBS