Sound Control(s) should be at model level, not at system level. Depending on the model, I may have some other use to the control(s) I use for volume.
Flying regularly: Ocelot, Alula and Tucan
Waiting for delivery: Let Model Taborca
In the factory line: AG-Wagon, Piper Cub and Fieseler Storch
At the workshop: Dornier 27, eStrega.
Planning phase: Szd-20x Wampir II, Rutan Quickie and Sukhoi 26M3
Dreaming: a weird push-pull called Double Trouble....