Mars Light/Air Release Air Release Flange Noise 2 Sand Drop Mars Light Flash Gyra Light/Air Release Red Mars light Loco Sound Diesel Sound On/Off Loco Sound Reverse Loco Sound Loco Sound Flange Noise 2 Sand Drop Air Release Air Release/Acc1 On/Off Loco Sound Air release/Acc2 On/Off Air Release Flange Noise 2 Safety Valve Pop Sand Drop Light Bell Horn Ditch light Coupling 1 Brake Release/Squeal Dynamic Brake Air Hose/Uncoupling Lever Shut Down/Notch Down Fan/Notch Up Rail Clack Traction Air Compressor Prime Mover Type Short Air Release Coupling 2 Air Pump Loco Sound Flange Noise 1 Bell Type Horn Type Loco Sound Bell Volume Horn Volume Diesel Rumble Volume Coupling 3 Long Air Release Flange Noise 3 Loco Sound Ditch Lights Flash Linear Slow increase at slow speed Fast increase at slow speed Normal Headlights Off / Dim / Bright Cycle Rule 17 Auto notch - RPM and notch synchro to speed Manual notch - notch down/up with F8/F9 Type 1 Type 2 Off Range 0-2 (2 types - 2=diesel sound off) Type 1 Type 2 Type 3 Off GE Type 2 Off Range 0-2 (2 types - 2=diesel sound off) MRC