I am just getting into REW & bought a BFD recently. My problem is when trying to calibrate my new external USB Sound Blaster x-fi sound card, I get an error saying volume level too low. I have it connected with the right RCA ouput into my receiver, one input to the mic and the other left input into th left output for the feedback loop. I can match the left ch ouput to the input that show on the graph. EAch reads around -3 but the right channel always read much lower, like -60 or so? So when I try and create the calibration file, there are no values in it and it wont save.
What am I doing wrong?