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HDTV Geometry Calibration

by byoung210 / January 16, 2006 1:15 AM PST

i'm havine a problem with the geometry of my HDTV where I see bending in the image. i want to adjust this but want to do it properly. i understand a professional could be used, but i want to see if i can do it first.
i have the Avia Home Theater DVD. on there are test patterns for adjusting your geometry. the problem is i can only properly adjust it for my 480i and 480p images. i'm not sure if all tvs work this way, but each resolution setting has its own geometry. since my DVD player outputs at a max of 480p, you can see why i am having a problem with adjusting the 1080i. could anyone tell me amongst the many patterns for adjusting that the DVD contains if i can use something to properly adjust the 1080i geometry? if not, is there anything that can be purchased to do this?
lastly, could you tell me the proper way to read these patterns. for example, some have a grid and within that grid are marks in each corner. should the screen be adjusted so that each corner mark is at the edge of the TV?
any help would be appreciated, and if you don't want to go into a ton of detail that is fine.

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