(March 14, 2017 at 9:44 am)Alex K Wrote: Flashing a screen with 40 Hz is probably difficult because the refresh rate is quite close to that. If it's 60Hz you will get something very weird if you attempt to flash with 40 hz.
Yeah that's a good point. I know some monitors have variable rates-- I used to have some that were 30, 50, 60 something like that. But I doubt that's the case now.