Light Bell Horn Air Release/Acc1 on or off Coupling Brake release/Squeal Dynamic Brake Air Hose/Uncoupling Lever Shut Down/Notch Down Fan/Notch Up Rail Clack loco Sound Prime MoverType Air release/ Acc2 on or off Coupling 2 Air Pump Loco Sound Flange Noise 1 Bell Type Horn Type Loco Sound Bell Volume Horn Volume Prime Mover Volume Air Release Flange Noise 2 Lococ Sound Short Drop Air Release Range 0-32 Range 0-32 Range 0-32 Range 0-32 Linear Slow - increase at slow speed Fast - increase at fast speed F12 also sets sound on/off Range 0-34 Range 0-3 Range 0-7 Range 0-3 Range 0-50 Range 0-3 Range 0-3 Range 0-3 Range 0-3 Range 0-3 Range 0-3 Range 0-3 Range 0-3 Range 0-3 Range 0-3 Range 0-3 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 Type 3 Type 4 Off