camlinkpro

Hello, I am using OBS and the Cam Link Pro card to record a 4k image from 3 cameras in 3 different scenes. My problem is that I only get a true 4k image on HDMI 1. On HDMI 2/3/4 OBS only shows me a FullHD source. This seems to be only a problem in OBS, because in the Elgato 4k Capture Utility...