Adjusting BENQ Blur Reduction and DyAc (Dynamic Acceleration) including
Blur Busters Strobe Utility. Supports most BenQ/Zowie Z-Series monitors (XL2411, XL2420, XL2720, XL2735, XL2540, XL2546)
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Brandon3000
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by Brandon3000 » 01 Aug 2022, 14:18
As someone on a benq xl2411, yes the old one with no display port and I am using it with a DVI cable to get my 144 hz, what are the best settings for me if I play valorant at a high level?
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gsand36
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- Joined: 18 Oct 2022, 08:30
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by gsand36 » 18 Oct 2022, 08:42
hi , i am a new owner of a zowie xl 2546k , some questions:
1/blur busters strobe utility : is it use to refine dyac+?
2/is it usefull for my screen ? i saw 2456 but not xl2546k
3/ the installer ask me to install frame.net ;i installed it but strobe installer tell me to install frame.net again. how can i do
thanks
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Inco^
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- Location: France
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by Inco^ » 20 Oct 2022, 06:38
gsand36 wrote: ↑18 Oct 2022, 08:42
hi , i am a new owner of a zowie xl 2546k , some questions:
1/blur busters strobe utility : is it use to refine dyac+?
2/is it usefull for my screen ? i saw 2456 but not xl2546k
3/ the installer ask me to install frame.net ;i installed it but strobe installer tell me to install frame.net again. how can i do
thanks
Hi,
1) I think yes, as per my understanding, you can adjust strobe pulse width through the "persistence" slider. As indicated in the software, the slider max to the left will give the best motion clarity (faster pulse width aka shorter pulse width) but at the expense of brightness. That's why I choose brightness=100 (max value in OSD) and only then I adjust the "persistence" slider. The other slider (strobe phase) is for adjusting where the crosstalk artefacts are bigger (because they are not the same along the vertical axis), and usually you want them at their smallest in the middle of the screen.
2) Yes, I have had XL2546K and I used this software to adjust the strobing. Now I have XL2566K and it works too. I can see the brightness decreases when I push the "persistence" slider to the left.
3) I don't know/remember about that, sorry.
Last edited by
Inco^ on 27 Oct 2022, 07:18, edited 1 time in total.
P̶G̶2̶7̶A̶Q̶D̶P̶ >> 480Hz OLED (1440p)
PG248QP >> 540Hz TN w/ strobing
XL2566K >> 360 Hz TN w/ strobing
XV252Q F >> 390Hz IPS w/ strobing
PG259QN >> 360Hz IPS
XL2546K >> 240Hz TN w/ strobing
Y27gq-25 >> 240Hz TN (1440p)
AG251FZ >> 240Hz TN
LaCie Electron 22 Blue IV >> high-end CRT (140kHz horizontal)
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gsand36
- Posts: 2
- Joined: 18 Oct 2022, 08:30
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by gsand36 » 24 Oct 2022, 06:14
Inco^ wrote: ↑20 Oct 2022, 06:38
gsand36 wrote: ↑18 Oct 2022, 08:42
hi , i am a new owner of a zowie xl 2546k , some questions:
1/blur busters strobe utility : is it use to refine dyac+?
2/is it usefull for my screen ? i saw 2456 but not xl2546k
3/ the installer ask me to install frame.net ;i installed it but strobe installer tell me to install frame.net again. how can i do
thanks
Hi,
1) I think yes, as per my understanding, you can adjust strobe frequency through the "persistence" slider. As indicated in the software, the slider max to the left will give the best motion clarity (faster strobe frequency) but at the expense of brightness. That's why I choose brightness=100 (max value in OSD) and only then I adjust the "persistence" slider. The other slider (strobe phase) is for adjusting where the crosstalk artefacts are bigger (because they are not the same along the vertical axis), and usually you want them at their smallest in the middle of the screen.
2) Yes, I have had XL2546K and I used this software to adjust the strobing. Now I have XL2566K and it works too. I can see the brightness decreases when I push the "persistence" slider to the left.
3) I don't know/remember about that, sorry.
thanx
does anyone get this problem 3?
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Chief Blur Buster
- Site Admin
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- Location: Toronto / Hamilton, Ontario, Canada
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Contact:
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by Chief Blur Buster » 26 Oct 2022, 19:10
Inco^ wrote: ↑20 Oct 2022, 06:38
1) I think yes, as per my understanding, you can adjust strobe
pulse width through the "persistence" slider. As indicated in the software, the slider max to the left will give the best motion clarity (
faster pulse width aka shorter pulse width) but at the expense of brightness. That's why I choose brightness=100 (max value in OSD) and only then I adjust the "persistence" slider. The other slider (strobe phase) is for adjusting where the crosstalk artefacts are bigger (because they are not the same along the vertical axis), and usually you want them at their smallest in the middle of the screen.
Fixed it for you. Pulse width is not related to frequency.
(Strobe frequency is locked to refresh rate).
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Inco^
- Posts: 116
- Joined: 20 Apr 2020, 07:47
- Location: France
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by Inco^ » 27 Oct 2022, 07:20
Chief Blur Buster wrote: ↑26 Oct 2022, 19:10
Inco^ wrote: ↑20 Oct 2022, 06:38
1) I think yes, as per my understanding, you can adjust strobe
pulse width through the "persistence" slider. As indicated in the software, the slider max to the left will give the best motion clarity (
faster pulse width aka shorter pulse width) but at the expense of brightness. That's why I choose brightness=100 (max value in OSD) and only then I adjust the "persistence" slider. The other slider (strobe phase) is for adjusting where the crosstalk artefacts are bigger (because they are not the same along the vertical axis), and usually you want them at their smallest in the middle of the screen.
Fixed it for you. Pulse width is not related to frequency.
(Strobe frequency is locked to refresh rate).
Edited, thanks.
P̶G̶2̶7̶A̶Q̶D̶P̶ >> 480Hz OLED (1440p)
PG248QP >> 540Hz TN w/ strobing
XL2566K >> 360 Hz TN w/ strobing
XV252Q F >> 390Hz IPS w/ strobing
PG259QN >> 360Hz IPS
XL2546K >> 240Hz TN w/ strobing
Y27gq-25 >> 240Hz TN (1440p)
AG251FZ >> 240Hz TN
LaCie Electron 22 Blue IV >> high-end CRT (140kHz horizontal)
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kyube
- Posts: 933
- Joined: 29 Jan 2018, 12:03
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by kyube » 18 Feb 2026, 09:49
Test setup:
Zowie XL2586X; (Device name: BNQ7FE2)
DP 1.4 port;
Nvidia GPU;
As per Benq's driver .INF file, the HDMI device name is: BNQ7FE3
Any chance that one of these would allow for adjusting the persistence / pulse width on these new DyAc2 models?
BenQ has swappd to (discrete / 10-steps / 10 backlight strips) rolling scan as opposed to the standard global scan behavior of DyAc/DyAc+
0xF9 seems to be adjusting brightness (25700 — 100%; 25698 — 98% etc.)
0xF0 & 0xF4 seem to be adjusting the overdrive.
Here are also the results for the
Zowie XL2566K (DyAc+; global scan; Device name: BNQ7FB7)
viewtopic.php?p=88834#p88834
viewtopic.php?p=88675#p88675
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Chief Blur Buster
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by Chief Blur Buster » 18 Feb 2026, 18:30
Thanks for posting.
Surprised that the 10-year-old utility still works on recent XL2586X's
The utility benefits old low-Hz BenQ's much more than newer high-Hz BenQ's, but I'm glad the utility is still working without modifications by using Profile B.
Verify
www.testufo.com/mprt if adjusting brightness = pulsewidth (MPRT indicator changes) or brightness = pulseheight (MPRT indicator doesn't change). Make sure to speed up MPRT indicator to the fastest motion speed you can tolerate, and then also decimals to see 0.25ms MPRT rather than integer MPRTs. So you can figure out if adjusting brightness = adjusting pulsewidth (has blur change) instead of adjusting pulseheight (no blur change)
You can add new monitors by editing BlurBustersStrobeUtilty.ini file.
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Anonymous703819
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by Anonymous703819 » 27 Feb 2026, 08:04
I'd like to clarify that the link didn't work for Chrome and Brave on my side, but it did work for Firefox to download it.
I'd like to get the utility working on my XL2546X. It doesn't work with manual A/B profiles or any other method; the monitor is simply connected via DisplayPort.
I was wondering how I enter my XL2546X's information into the software's .ini file? That's something I don't know how to do.
Edited:
I've managed to found the monitor name (BNQ7FC7) for XL2546x and able to run it with Profile B but only the brightness slider actually work, the strobe phase slider does not work, probably because i put wrong info on the .ini but i don't know where to found the proper information for the XL2546X.