Bulletin: Big Boy (UP 4023)

Big Boy (UP 4023)

articulated steam locomotive
4-8-8-4 BIG BOY

Key Function Soundslots Volume CVs Volume value
LightFront light, dynamo19403
F1bell4283
F2whistle3275
F3manual coupler8315
F4AUX1
F5short whistle signal16379
F6injector20411
F7Acceleration/brake time, Shuting Mode/Shunting speed
F8Volume control/Mute
F9blow out9323
F10air pump6299
F11butetrfly door7307
F12coal shoveling5291