as you said 240 lines of resolution. no matter what the size of the screen its 240 lines deep so the bigger the screen the thicker the line. also its interlaced scan so scan 1 is 1st line 3rd 5th etc, then rescal is 2,4,6 etc.
there is some decent upscaling software out there but not my sort of thing, give me audio systems anyday.
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