On Mon, May 2, 2016 at 4:36 PM, Charles Anthony <[email protected]> wrote:
> > > > I can't locate any VR20 documentation, so other than pulse width input to > the VR20 I am unable to speculate further; it may well be that Penetron > technology was used, but the wording of the controller made it seem to me > otherwise, but I am more than prepared to be wrong -- it is perfectly > possible that the VR20 is controlling a Penetron based on the pulse width. > > Hmm. The Rhode Island Computer Museum has a working VR20. We need to get them to take a look inside it to see what kind of CRT tube is in there.... -- Charles
