I see that I'm not alone ... !!! I'm in Italy and I also have the same problem. in fact to me is not only the first but also the channel 2,4,5. Open my post titled "Problems with the stagescape" written in Italian, I posted a video See it and let me know if it's the same problem. I in the meantime I'm preparing to send assistance in the mixer because as it is a live issue. Regards Michele Piazzolla