Alternative Monitor for VAXmate

Dave Wade dave.g4ugm at
Sat May 23 17:22:42 CDT 2020

> I have wondered about RGB, the I/O board does output an RGB signal along
> with Intensity, Horizontal Sync and Vertical Sync, but I don't know if I
> feed that to a monitor that accepts RGB signals as I don't know what the
> voltage levels should be. I have a VR241 which seems to have suitable
> but I don't know if I dare send the signals from the I/O board straight to
> VR241. I can't find a manual for it.

It looks like the VR241 accepts TTL video


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