Kuscheln_Hammer92 wrote: ↑05 May 2023, 10:29
Just to confirm, this is harder to do at higher refresh rates due to the smaller VBI's right?
That's correct. It's a tradeoff. If you're doing emulators, 60hz QFT with the crosstalk band shifted closer to above top edge, can be a good lag-reducer. If you're doing competitive CS:GO, there's likely no QFT headroom so you'll just have to tolerate some visible crosstalk.
Kuscheln_Hammer92 wrote: ↑05 May 2023, 10:29
I want my latency to be lowest at the middle of the screen but at 240hz as soon as the crosstalk stops at the bottom of the screen it begins again at the top of the screen.
That's correct. If you can tolerate more crosstalk, move this crosstalk band right below your crosshairs, making your bottom half very crosstalky. That will produce lowest max-Hz crosshairs lag, at the expense of worse crosstalk.
Kuscheln_Hammer92 wrote: ↑05 May 2023, 10:29
I saw brightness changes or "hides" the crosstalk unless I'm mistaking the doubling for crosstalk. The higher the brightness the more it is all visible. With the blurbusters tool, the second slider, I've moved them to the higher numbers as that's moving the crosstalk area downward.
Are you talking about picture brightness (non-pulsewidth-affecting) or are you talking about pulse width (brightness affecting)?
The XG2431 only can adjust pulse width during strobing, so you must be equating brightness to pulsewidth.
This is an important question because for fast motion at
www.testufo.com/map#pps=3000 becomes clearer at shorter pulse widths -- both in less crosstalk and less blur per strobe. Adjusting brightness on other strobed monitors without adjusting pulse width, will not improve this -- but on the XG2431, pulse width and brightness is the same during PureXP.
However, the improvement you are seeing, is because of the pulse width part, not the brightness part. It's a brightness-vs-clarity tradeoff to be sure, but the cause of the clarity is the shorter pulsewidth.
Strobe flashing for 1ms = creates 1 pixel of motion blur per 1000 pixels/sec or 3 pixels of motion blur per 3000 pixels/sec
Strobe flashing for 0.5ms = creates 0.5 pixel of motion blur per 1000 pixels/sec or 1.5 pixels of motion blur per 3000 pixels/sec
So pulse width affects blur.