Hello and welcome to my AC4400CW/AC6000CW Cab Sim ---------------------------------instructions-------------------------------- first you're going to click on the breaker then press the prime button click it once, and the engine should automatically start for you if you want to shut down the loco just press shut down click for horn and click for the bell arrow. keys like <-- --> will Notch up and down. the up arrow and down is to move the reverser. and a/d for the DYNS.