Instead of setting 62% SteamVR Video resolution, it would be better to click a drop down, and select “$steamvr_res-percent-pi8kx-125rq-noParallel-3105v” , with ‘62%’ being substituted in from a lookup text file like this one.
Usually, it is desired to force SteamVR to achieve a specific vertical resolution, as the ‘percentages’ are truly meaningless (no really - there is not even a linear correlation between percentages and square roots of the resolutions).
Also, there are some problems with the current version of Pimax Experience tending to reset my color settings, tending to select the wrong profile, not being able to select an arbitrary profile to start a program with, etc. Of course, I know it is in development, and I can workaround this stuff.
EDIT: Apparently, there is a linear regression. File updated, use the ‘solve()’ equations with Qalculate .