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 Coupling Air Release Flange Noise 2 Air hose firing short 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 Range 0-16 Range 0-3 Range 0-6 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 Range 0-3 Off Type 1 Type 2 Off Auto notch - RPM and notch synchro to speed Linear notch - RPM synchro to speed Manual notch - notch up/down with F8/F9 Large Diesel Switcher