> On Jan 19, 2019, at 1:57 PM, Warner Losh via cctalk <cctalk@classiccmp.org>
> wrote:
>
> Greetings,
>
> I'm trying to find a way to get my DEC Rainbow's monochrome output onto a
> newer monitor than my aging VR201 (especially since I zapped something in
> it and my diagnostic efforts to date haven't fixed it).
>
> So, I found the bit in the Rainbow docs that said the output was DC Coupled
> RS-170 signals and to convert to RS-170 (NTSC black and white) I needed to
> put a 10uF cap inline to make it RS-170. So I did this, and fed it into a
> generic NTSC composite video to VGA thing, and got only a little joy. The
> first few lines seem to be missing, then the next few are OK and then
> nothing else.
I'd be interested in the answer also, for my Pro.
What device do you use for NTSC to VGA conversion?
paul
