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Author Topic: A3000 VGA output questions...  (Read 4508 times)

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Offline Damion

Re: A3000 VGA output questions...
« on: January 18, 2010, 07:55:37 AM »
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When plugging anything into a digital monitor (i.e. LCD/TFT) you should never forget that the output needs to be resampled to the monitor's native resolution. Since the FF more or less provides VGA output, it somewhat fits onto a 17" or 19" monitor with 1280x1024 resolution. Some (few) models are able to exactly match the grids to get a sharp display. Anthing like 1024x768 or 16:9 is doomed to be blurry.

Very true. Some monitors also scale with much better quality than others, another factor. Fiddling with the LCD clock/phase settings ("coarse" and "fine" on some monitors) will go a long way towards getting an acceptable picture. Even on my little 15" Eizo - there are small borders along two edges, but the image is very clear despite being scaled.

I use Monitor Test, select a PAL low-res screenmode, then choose a solid-color background that best reveals vertical distortion. Adjust the clock setting until the distortion is gone (the image likely won't fit the entire screen), then adjust phase until the image is sharpest, with no horizontal interference present. You'll be set for games, and other PAL modes will look great (handy if you use PAL hi-res laced for WB).

Quote from: mingle;538852
A CV64 would be nice, but the ones I've seen for sale have been around twice the price of a new Indivision AGA... But maybe it's twice the card? :-)

The CV64 would seem like the best choice for an A3000, but (IMHO) the Indivision, PIV, and even CV64/3D scandoublers all have clearer output than Amber, and I wonder about signal degradation after it's then routed through the CV64. (I remember being pretty bummed about the loss of quality after my CV64/3D's VGA went through the scandoubler module.) Amber is still nice enough though, and I probably wouldn't go out of my way to buy another scandoubler for an A3000.