10-06-2007, 04:57 AM
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| Junior Member | | Join Date: Sep 2009
Posts: 0
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 Re: Can barely read the screen - how to brighten display?
"billdeg" wrote in message
news:1184545280.241496.233310@n2g2000hse.googlegro ups.com...
>
> This subject may have come up before...what's the solution? I even
> tried a signal booster. Please .cc replies to billdeg at aol dot com.
>
The ZX81, and many computers of the generation, outputted video/RF signals
that weren't quite perfect and met the standard. The televisions of the day
had no problem as the signal was processed by analogue circuits in the
television.
Today's televisions mostly process signals digitally, such that if they fall
outside of the standard then unexpected things happen. That's not to say
that all modern televisions are so intolerant, but alot are.
It's widely documented. And can also be caused by a faulty ULA, but is
unlikely to be the cause. Find an old television or try a different one.
:-)
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