[Coco] Monitor proboems

[Tim Fadden]

On 12/27/2013 2:14 PM, Bill Gordon wrote:
> Does anyone else have a Roy Justice monitor converter?
> I've finally been able to get it set up, and NitrOS-9 is IMPOSSIBLE  with
> the converter and monitor.
> The screen does fine while NitrOS-9 is booting, right up until I get the
> {Term|02}/DD: prompt. After that, it flashes a few times, then comes back
> on, but continues to flash-mostly staying black. In RSDos, everything is
> perfect. It comes up and doesn't falter a bit.
> I don't know if it's the converter or the monitor. I've tried it with other
> monitors and another Coco3, and it does the same thing.
> (Ideas?)
> Thanks
>
>
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I have 3 of them.  I have only used them on flat screens. I have never 
seen that symptom.  Did you try the reset button on it?  Also there i an 
adjustment pot on the board.  It's usually preset, but something may 
have gotten off a bit.