Sauter, RolandK. BO and H.A. TUCKER2015-09-292015-09-2919841017-4656https://doi.org/10.2312/eg.19841024This paper describes a user interface which has been designed for the rough environment of a workshop floor. It has a strictly hierarchical structure of the commands, but allows a lot of context-free operator's actions and enquiries, which can be activated at any time through the use of universal commands. The user can walk up and down in the dialog, can look at any available data or command, or at the history; he can even look at the user's manual on the screen.10.2312/eg.19841024