XDJ-RX3: Crossfader Curve set to rounded should not decrease mastervolume

To me it seems to make the option unusable if I switch on the fly the crossfader curve, then the global mastervolume is massively changing. Thats a no go to me. Furthermore, it is simply not usable to make an A to B fade without any volume jump coming out of sudden. Please have a look to the TraktorDJ Crossfader behaviour, if it is like this, then it would be much more enjoyable in my opinion.