hi.ac material Face Front 1.0 0.2 0.0 sim/model//material/instruments/factor material OBS-Knob Hdg-Knob 0.45 0.09 0.00001 sim/model//material/instruments/factor rotate Face instrumentation/heading-indicator/indicated-heading-deg -1 -1 0 0 rotate HdgBug instrumentation/heading-indicator/indicated-heading-deg -1 -1 0 0 rotate HdgBug autopilot/settings/heading-bug-deg -1 0 0 knob click-bug-L click-bug-R false property-adjust autopilot/settings/heading-bug-deg 1 0 360 1 4 5 set-tooltip heading-bug heading Heading Bug: %3d autopilot/settings/heading-bug-deg knob click-offset-L click-offset-R false property-adjust instrumentation/heading-indicator/offset-deg 1 0 360 1 4 5 set-tooltip heading-offset Heading Offset: %3d heading instrumentation/heading-indicator/offset-deg