Couple strange things now. My REW just stopped seeing the RME UCX card. Worked fine all day yesterday, and even today for a while but at some point (might have been when I did a calibration?) it just stopped. Populated list does not show it any more (strangely it still does show a Madiface card that I have used but not recently). I tried turning off/on, restarting laptop, replugging USB, different USB port, waving dead chicken over it. Looked at the Windows sound settings, and Windows does see the UCX. I tried switching to Java, and back, no luck.
Secondly, when I do a calibration using SPL meter, it says "Analog 3 (1)" at top of SPL Meter window. I verified several different ways that it is getting its signal from input 2 on the sound card (this happened before I had the above problem, and I could still see the UCX). Interestingly, I had selected ch 2 as the input in Preferences, so was thinking that the SPL meter would get signal from input 2.
Secondly, when I do a calibration using SPL meter, it says "Analog 3 (1)" at top of SPL Meter window. I verified several different ways that it is getting its signal from input 2 on the sound card (this happened before I had the above problem, and I could still see the UCX). Interestingly, I had selected ch 2 as the input in Preferences, so was thinking that the SPL meter would get signal from input 2.