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mookee
Joined: 23 Nov 2013
Posts: 119
Location: vienna
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| Posted: Fri Jun 06, 2014 10:04 am Post subject: nec6pg screen diagonal calculator doesnt make sense HELP |
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hi
the manual sais:
w= screen h-width... which i figured is ment to be the diagonal of the screen.. right?
a= is the distance the beam travels from lense to screen... clear so far
now
A= (supposed to be:) ( (5/18 x w -12,5) x 126.64) + 1785)
in my callculation, if w is the 4/3 diagonal of 3750mm (about 145inch) i get 132118 as the calculations result
WHAT , a is 132meters ?!?! rediculous
so whats wrong please;)
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Curt Palme
CRT Tech
Joined: 08 Mar 2006
Posts: 24396
Location: Langley, BC
TV/Projector: All of them!
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| Posted: Fri Jun 06, 2014 3:36 pm Post subject: |
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Ignore it. It's 1.4x the width of the screen roughly.
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mookee
Joined: 23 Nov 2013
Posts: 119
Location: vienna
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| Posted: Fri Jun 06, 2014 6:11 pm Post subject: |
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okay, thanks! unfortunatly i need the normal l_l distance between wall and projektor, not the first issued angulate distanze between lens and wall..
any suggestion there two please?
edit: oh wait, i just tell u the screen width: 3000mm aka 119"
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CasetheCorvetteman
Joined: 09 Nov 2008
Posts: 6326
Location: Australia
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| Posted: Fri Jun 06, 2014 9:44 pm Post subject: |
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Take the width, multiply it by 1.3 for HD144 and 1.4 for HD145, then start there. Set up your green raster, drag the projector back and forward til it fills the width of your screen.
Its that easy.
_________________
Barco Cine 9, ,Sony VPL570ES 4K SXRD, 135" OZ Theatre Majestic 16:9 screen, Denon X6700in preamp mode, 2x 7ch Tonewinner amps, 2x Tonewinner 15" subs, 2x 10" subs, 7.2.6...
RUNCO DTV991 LC ( NEC XG 852 LC ) 100" 4:3 screen, H/K AVR 7.1...
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mookee
Joined: 23 Nov 2013
Posts: 119
Location: vienna
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| Posted: Sat Jun 07, 2014 11:36 am Post subject: |
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yeah, thats what i did in the first place;) guess it works like this two.also i set all picturesettings on normalize before doing that - guess thats right, aint it?!
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CasetheCorvetteman
Joined: 09 Nov 2008
Posts: 6326
Location: Australia
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| Posted: Sat Jun 07, 2014 10:43 pm Post subject: |
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No, set them all to mid point except blanking, set that to 100. Just delete all the blocks and it should all be mid point then.
_________________
Barco Cine 9, ,Sony VPL570ES 4K SXRD, 135" OZ Theatre Majestic 16:9 screen, Denon X6700in preamp mode, 2x 7ch Tonewinner amps, 2x Tonewinner 15" subs, 2x 10" subs, 7.2.6...
RUNCO DTV991 LC ( NEC XG 852 LC ) 100" 4:3 screen, H/K AVR 7.1...
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mookee
Joined: 23 Nov 2013
Posts: 119
Location: vienna
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| Posted: Tue Jun 10, 2014 9:52 am Post subject: |
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oh, okay. thanks!
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