pinobot wrote:Did the VT 1500 trick at 120Hz, Intensity 18 / area 46/
When i push the Area over 40 then the screen gets darker, at 50 it's black.
Set the area to 0, and intensity to 20-21, and take another screenshot.
Also how is it with area 0 and intensity 25?
Is the screen extremely dark or is it usable?
On the Z monitors, strobe phase 0 and strobe duty 1 is 0.167ms with a VT tweak active. Too dark to use.
But strobe duty 003 (0.5ms persistence) is usable in a dark room at night, and strobe duty 006 (1.0ms persistence) is very pleasant in daytime (as long as sunlight isn't shining on the screen).
The crosstalk at the bottom should be pushed off instead of having the bottom look ugly, while the crosstalk at the top should be at the first few pixels.
VT tweaks work best with area (strobe phase) at 0.
The only reason to push area (strobe phase) to a high value is if you want the top of the screen to look perfect at the expense of the bottom.
and yes, Masterotaku explained strobe phase going above 40 here.
http://forums.blurbusters.com/viewtopic.php?f=13&t=560
If you pass some point, you'll notice that brightness lowers, meaning that the strobe length is changing alonside the strobe phase (as explained before). Be careful when you change your refresh rate upwards, because if you go from 90Hz with s.p. 058 to 120Hz, you'll get a black screen, unless you disable blur reduction. At least it can be toggled with one button even if you see nothing.
This only happens if you are using VT tweaks. The main reason is, when you use a VT tweak, you push the bottom strobe pulse setting errors further off the screen (assuming that area/strobe phase is set to 000) while the top position remains the same (pushing strobe intensity to a LOWER value (higher value on a z series, remember it's inverted on your monitor now) will also push the top crosstalk field lower. But when using a VT tweak, the crosstalk (both top AND bottom) moves FARTHER down per increase of area (strobe phase) than without it. Without a VT tweak, you can go to area 100 without the brightness (persistence) getting lower. When you ARE using a VT tweak, the cutoff point becomes area (strobe phase) 30 or so. Meaning, once you increase strobe phase past 30, the strobe DUTY (persistence) starts decreasing. Assuming a Z series (with a range of 1-30 strobe duty) At 100 hz and VT 1500, strobe phase (area) 031 will lower the MAX strobe duty to 029, meaning if you had strobe duty at 31, it becomes 29 (5.0ms persistence - 0.167ms). Strobe phase 032 = Strobe duty 028, strobe phase 033=strobe duty 027 (meaning strobe duties 1-27 will work but 28-30 will be the same as 027!). So...an area of 059 (strobe phase 059) means the MAX STROBE DUTY is now 001 ! that is, 0.167ms persistence, regardless of what strobe duty value you entered. Increasing strobe phase by 1 more point will turn off the backlight, because the persistence drops to 0.
I hope this makes sense.
Remember this math is based on the Z series, with strobe duty 001 =lowest persistence (aka intensity 30 on your 2430T), and 30 points of duty. But your monitor has only 25 points of duty instead of 30, so I don't know how the persistence values per point work here.
*edit*
Yes, with VT 1500, going past 050 strobe phase (area) will set persistence to 0 and shut off the backlight at 120hz.
At 100 hz, it's strobe phase 60 (area 60) that will shut off the backlight at VT 1500.
Without a VT tweak, Area 100 can keep max persistence (intensity 1 on yours, strobe duty 030 on ours) without lowering the persistence.
At lower refresh rates, 60 or 75hz, this changes a bit. I think the backlight will shut off at 85+ strobe phase at 75hz, I forgot though. Maybe it just lowers the max persistence again.
