It looks like a Televideo terminal, maybe a 925. The Consumer and Coin-op engineering folks used DEC VAXes for development. (The Home Computer Division used Da

It looks like a Televideo terminal, maybe a 925. The Consumer and Coin-op engineering folks used DEC VAXes for development. (The Home Computer Division used Data General MV/8000 machines, which were actually not that bad. The MV/8000 is the machine described in Tracy Kidder's Soul of a New Machine, by the way).