It's a bit rough, but I don't think I'll dive deeper into the details than this. Obviously missing a steering wheel and gear lever.
I'm no expert, but I believe the main joystick has all the relevant controls for the big monitor on the roof. The small stick would be the small monitor on the winch platform? The display / control panel shows info about and controls all the added functions on the truck, like emergency lights, flood lights, siren, pump, tank levels, and so on. In addition to that there would be a portable remote control for the winch and optional jet fighter rescue platform (which this truck does not have), which I have yet to model.
