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TV Chat

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Dennis Donovan

(29,967 posts)
Thu Mar 27, 2025, 05:07 PM Mar 27

Did you ever wonder what all the stuff on a Test Pattern was for? [View all]


The famous RCA Indian-head test pattern used mainly in North America from 1940 to the 1970s with its elements labelled, describing the use of each element in aligning a black & white analog TV receiver.

https://en.wikipedia.org/wiki/Test_card#History

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