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Moome gamma option board for older HDMI input cards, help?

 
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cmjohnson




Joined: 03 Apr 2006
Posts: 5180
Location: Buried under G90s


PostLink    Posted: Fri May 05, 2017 11:29 pm    Post subject: Moome gamma option board for older HDMI input cards, help? Reply with quote


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Does anyone have, or can they direct me to, a setup guide for an older Moome card
that has a plug-in (I presume optional) gamma circuit?

I just acquired one of these which I will be using in my test rig, and I need to know how to
configure the card whether I use the gamma option or not. And compare the results as well.
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kal
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Joined: 06 Mar 2006
Posts: 16777
Location: Ottawa, Canada

TV/Projector: JVC DLA-RS56


PostLink    Posted: Sat May 06, 2017 2:25 pm    Post subject: Reply with quote

You need to go through a calibration using whatever calibration software you choose to use. That's the only way to adjust gamma to the correct amount. You need to graph it and see the results.

The Moome card likely has a single pot on it to adjust the gamma boost amount? You would turn it all the way down, graph the results, then turn up and graph again, until you have the gamma curve you want. More advanced gamma controls like found on advanced video processors like the Radiance will allow 20+ point adjustment so that you can tweak the curve to be exactly correct.

The product with the adjustment (be it the Moome card or Radiance) won't explain how to adjust it correctly as that's really advanced and depends on the display/source/etc. That's done through the calibration software/meter package you choose to use.

Kal

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cmjohnson




Joined: 03 Apr 2006
Posts: 5180
Location: Buried under G90s


PostLink    Posted: Sat May 06, 2017 3:08 pm    Post subject: Reply with quote

The option board was included but not installed on this card. The connector for the option board has three jumper plugs on it.

Having the instructions so I know more about the jumpers would be helpful.

Of course they must come off to install the gamma option board.

I'm just looking for the instruction sheet, that's all.

Never mind, I found it.
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kal
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Joined: 06 Mar 2006
Posts: 16777
Location: Ottawa, Canada

TV/Projector: JVC DLA-RS56


PostLink    Posted: Sat May 06, 2017 3:28 pm    Post subject: Reply with quote

Good luck!

Kal

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My basement/HT/bar/brewery build 2.0
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