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Isn't this just the well-known optical illusion where a constant colour appears differently against darker or lighter backgrounds? The usual illustration of this has a constant-colour grey rectangle superimposed on a background gradient. The brain perceives it as light against a dark background, or dark against a light background. In your case, you're ...


The described behavior isn't particular to the Atari in particular, but is true of many monitors and television sets in general. Turning up the brightness knob clockwise a certain amount will have the effect of increasing all color channels by a corresponding amount, and turning it counterclockwise will decrease all color channels likewise, except that once ...


I have Video Adapter in HX-20 Expansion Unit case, with RF-out and TV-out

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