mag-compass.ac ../../../../Effects/interior/c172p-interior-radiance Ring Casing rotate Ring /instrumentation/magnetic-compass/indicated-heading-deg 0.0 0.0 1.0 pick Ring 1.0 0.2 0.0 /sim/model//material/instruments/factor set-tooltip magnetcompass Magnetic heading: %3d instrumentation/magnetic-compass/indicated-heading-deg heading