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JonFo
Joined: 29 Aug 2007
Posts: 15
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| Posted: Sat Sep 01, 2007 12:01 pm Post subject: Gamma option setup guide |
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Since the setup of gamma with the new cards seems to be somewhat of a head scratcher for many people (including myself when I first got the card this week), I decided it would be helpful to my own memory and to the community to document how Gamma controls work on the Moome HD cards.
While I have a Sony IFB-HD card (v1.332), I believe these instructions apply to all the recent vintage Moome Gamma enabled cards (as long as they have the gamma circuit and adjustment screw installed).
I just ran through these again on my G70 to validate, but if there are corrections or other observations, I’d be happy to revise the doc.
Enjoy.
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IFB HD Gamma tuning Process.pdf |
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kal
Forum Administrator
Joined: 06 Mar 2006
Posts: 18114
Location: Ottawa, Canada
TV/Projector: JVC DLA-NZ7
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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kal
Forum Administrator
Joined: 06 Mar 2006
Posts: 18114
Location: Ottawa, Canada
TV/Projector: JVC DLA-NZ7
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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David1
Joined: 20 Dec 2006
Posts: 24
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| Posted: Thu May 22, 2014 8:20 pm Post subject: |
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I tweaked the contrast control on my card and now what ?
Assuming you own a scope how would someone go and reset the contrast control back to .07mv ? Do you need and extender for the card ?
How can you scope a HDMI card , in old days could scope the RGB with the green pin but how does that happen in this digital world?
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CIR Engineering
Joined: 25 Aug 2008
Posts: 4269
Location: Chicago USA & Berlin Germany
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| Posted: Thu May 22, 2014 8:46 pm Post subject: |
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| David1 wrote: | I tweaked the contrast control on my card and now what ?
Assuming you own a scope how would someone go and reset the contrast control back to .07mv ? Do you need and extender for the card ?
How can you scope a HDMI card , in old days could scope the RGB with the green pin but how does that happen in this digital world? |
It's the same thing.
Connect a lead wire to the green pin of your card and run it out the back when you plug the card into the projector. Then feed the card an HDMI signal with a 100 IRE white window on a black background.
Connect the scope to the wire lead from the card. Adjust the contrast so that the white window is 0.7 volts above the black background as seen on your oscope.
craigr
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Phone: 865-405-6892
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David1
Joined: 20 Dec 2006
Posts: 24
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| Posted: Thu May 22, 2014 11:59 pm Post subject: |
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THANKS SO MUCH !!! Perfect answers
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David1
Joined: 20 Dec 2006
Posts: 24
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| Posted: Fri May 23, 2014 12:36 am Post subject: |
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THANKS SO MUCH !!! Perfect answers - but which is green pin?
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