I'm toying around with the idea of writing a simulator, ideally for a less automated and relatively operator workload-heavy reactor like the pre-Chernobyl RBMK design (as watching a machine run itself is no fun), and I'm trying to find information on the function of an actual control room's various buttons, switches, and displays as I want to focus on a tactile simulation of control room operations from an operator's perspective rather than modelling reactions in the core as existing simulators do. I've had very little luck finding that information, even finding photos with a high enough resolution to read the markings on dials is difficult. I've run into the IAEA's documentation on simulator design which is very useful for modelling the core, but nothing about what is essentially the user interface for the operators. Does anyone know of a source for that kind of detail for the old RBMK design or even any other type of reactor if that's not available? One option would be to tour Kursk's NPP as the training room they apparently let people poke around in is an analogue of the old-style RBMK control rooms but I'd still be lacking the manuals to make sense of it all.