10 Nov
2015
10 Nov
'15
12:05 a.m.
On Tue, Nov 10, 2015 at 07:52:51AM +0000, rod wrote:
Now there was one interesting but little known VT100 feature. On the
back it had two BNC connectors.
They were for video in and out. You could sync the VT100 to a feed
of mono video and the overlaid
picture would appear on the screen and at the video out connector.
I actually used this once to debug a broken vt220:
http://www.update.uu.se/~pontus/slask/vt220-125.jpg
I could verify that the logic board of the vt220 was ok.
/P
