Could you post two dumps? One for the “GETGRAPHICS” or 18h command and one for the “SCREENREPLY” or 19h command? And a picture of the screen at the time the command is done?
The text and parameter names and values won’t be a big problem because those are just ascii representation. I think the graphics are for the “faders” and other things that need to be drawn.
It would help to find a solution to your problem.