CRT monitor

Talk about overclocking displays at a higher refresh rate. This includes QNIX, Catleap, Overlord Tempest, SEIKI displays, certain HDTVs, and other overclockable displays.

CRT monitor

Postby alex47 » 18 Oct 2016, 14:37

I overclocked my CRT monitor so I can play on a high refresh rate
here are the setting I used in the nVidia panel:
Image

Model is Belinea 10 80 80 and in the spec sheet it's stated that horizontal refresh max is 121 KHz
(http://drivers.hu/drv/belinea/monitor/108080De.pdf)
167hz is the max I could get on low resolutions (even 640x480)

The problem is that I sometimes notice some skipping
Is it possible for a CRT monitor to have frameskipping?

I made a video at 120fps slow motion with my phone while doing the testufo frameskip test
https://www.youtube.com/watch?v=-tHDV7rF6M4
but I didn't find any frameskipping in it even when slowing the youtube video to 0.25 speed

am I just seeing things?
is it possible that the monitor can't keep up with such overclocked refresh rate although it "allows" it?
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Re: CRT monitor

Postby spacediver » 18 Oct 2016, 18:02

what do you mean by "skipping"?
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Re: CRT monitor

Postby alex47 » 19 Oct 2016, 10:59

spacediver wrote:what do you mean by "skipping"?


I mean when I move my mouse in a fast, circular motion on a black background I can see the mouse disappearing for a few frames
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Re: CRT monitor

Postby lexlazootin » 19 Oct 2016, 11:25

What mouse? if you are using a 128hz polling rate, that would cause skips to happen.
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Re: CRT monitor

Postby spacediver » 19 Oct 2016, 11:26

Could that not just be a limitation of the USB polling rate?
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Re: CRT monitor

Postby spacediver » 19 Oct 2016, 11:27

haha lex, unbelievable. I'm gonna start calling you the 1 minute man :)
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Re: CRT monitor

Postby alex47 » 19 Oct 2016, 12:08

spacediver wrote:Could that not just be a limitation of the USB polling rate?

lexlazootin wrote:What mouse? if you are using a 128hz polling rate, that would cause skips to happen.

no, I'm using a gaming mouse set to 1000hz
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Re: CRT monitor

Postby spacediver » 19 Oct 2016, 12:42

I'm not sure that using a mouse is a smart idea to test the temporal properites of a display. You've confirmed that there is no frame skipping in the blurbusters frame skipping test, so clearly the monitor is refreshing fast enough, right?
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Re: CRT monitor

Postby alex47 » 19 Oct 2016, 15:16

spacediver wrote:I'm not sure that using a mouse is a smart idea to test the temporal properites of a display. You've confirmed that there is no frame skipping in the blurbusters frame skipping test, so clearly the monitor is refreshing fast enough, right?


is there a better way to test frame skipping?
and one of my original question was that can CRT monitor have frame skipping at all? Isn't it limited to LCD only?
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Re: CRT monitor

Postby spacediver » 19 Oct 2016, 16:11

alex47 wrote:is there a better way to test frame skipping?


You've already tested for frame skipping. Your CRT is not causing frame skipping, otherwise it wouldn't have passed the test you did.

alex47 wrote:and one of my original question was that can CRT monitor have frame skipping at all? Isn't it limited to LCD only?


I may be wrong here, but isn't frame skipping caused by video hardware/software? How would a display, whether it be CRT or LCD, be a cause of frame skipping?
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