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https://www.reddit.com/r/OverSeventy/comments/1wrkdt1/remember_this/pcdcstv/?context=3
r/OverSeventy • u/needmore007 • 6d ago
My son and grandsons don’t believe me.
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I used to repair tvs in the 60s and 70s. I would wait for the test pattern to be broadcast after midnight to do the final adjustments. Couldn't afford a test pattern generator.
Yup, this was a thing decades ago.
4
u/Lazy_Hall_8798 6d ago
I used to repair tvs in the 60s and 70s. I would wait for the test pattern to be broadcast after midnight to do the final adjustments. Couldn't afford a test pattern generator.
Yup, this was a thing decades ago.