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| Re: Remember TV Test Patterns? (260896) | |||
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Re: Remember TV Test Patterns? |
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Posted by W.B. on Wed Nov 7 13:56:12 2007, in response to Re: Remember TV Test Patterns?, posted by W.B. on Sun Oct 28 19:42:54 2007. In addition, by the early 1970's there was a modification to this pattern, with the grey pattern between the inner and outer circles (representing the height and width of the screen, respectively) changed from approx. 30% brightness to 50% brightness:
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