That's exactly the point!
Soundcraft MTK12 uses a specific Asio driver which outputs all the recording tracks trough Channel 14, so is the USB driver setup, for example for Ableton, and others.
That's why I did so in PWTR.
At this point, I thing that there is not a possibility if PWTR. don't have accordingly Asio capability to interpret that input from USB Channel 14.
I may be wrong! the Asio driver that I used for other records from my Technics KN 3000 in PWTR., which worked fine, was the Asio for all.
But this don't apply to the Soundcraft MTK12.
Today I try it again, and got an anwwer about he Asio driver:
The report of Asio refer to a MAC driver