• felixwhynot@lemmy.world
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      4 months ago

      It controls the beam that forms the image. Basically when it’s set wrong it looks like the image is scrolling past the screen.

      • Victor@lemmy.world
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        4 months ago

        Ah, some kind of frequency timing modulation fiddler thingy I guess? I don’t know if you can tell I’m not in the field of electronics… 😎