There were (still are) two BNC connectors on the back
of the VT100.
One was video out which I used with the camera sync input and the other is
video in. This locked the picture to the data video.
???
What in the (insert your preffered expletives here, be criative!) a
VIDEO IN is doing behind an (old) terminal?! Watch NBC while working on the
company spreadsheet??? :oD
Hmmm...1984? :D INSOC watching you while you work? :D hahahahaha