This video illustrates the problem I’m having getting the Ninja Inferno to work with the Blackmagic UltraStudio Mini Monitor and Desktop Video Utility. If and when I find the answer, we can begin using the Inferno as a portable HDR grading monitor.
Adventures of a Couch Potato
https://www.mysterybox.us/blog/2017/12/18/studio-grading-in-hdr-on-the-smallhd-p3x-and-atomos-sumo-19
Scroll down to the second part about Atomos Sumo where he also talks about the Ninja Inferno!
No solution to my problem. 😣