SOUNDS
F1 - Sound - On/Off
F2 - Brake (Non-Latching)
F3 - Cylinder Drain Cocks
F4 - Whistle (Playable)
F5 - Normal Load / Heavy Load
F6 - On - Firebox Door Opening / Off - Firebox Door Closing
F7 - Injectors
F8 - Double Whistle
F9 - Flange Squeal (Speed Related)
F10 - Shovelling Coal (F6 must be On)
F11 - Blower (Sound Only / Stationary and with F6 On – Sound and Lights)
F12 - Hand Brake (locomotive won’t move with Hand Brake applied)
F13 - Water Tank Filling
F14 - Coupling/Un-coupling Clank
F15 - Safety Valve
F16 - Guard's Whistle & Driver’s Response Toot
F17 - Coasting
F18 - On - Sounds Fade Out / Off - Sounds Fade In
F19 - Shunt Mode (Reduces Speed)
F20 - Acceleration/Deceleration Inertia Off
F21 - Volume Control (LATCH = Volume On/Off) or (TRIGGER = cycles 6 Volume Levels)
F22 - Rail Join Clatter