WT-Class 42 Warship (Wheeltappers)
F0 Lights On/Off.
F1 Sound On/Off.
F2 Two Tone Horn (High-Low)
F3 Two Tone Horn (Low-High)
F4 Single Horn
F5 Buffer Clash
F6 Coupling/Uncoupling
F7 Flange Squeel
F8 Spirax Valves
F9 Wheel Slip
F10 Door Slams
F11 Right Away Whistle
F12 Brake Dump
F13 Shunting Mode/Slow Speed
F14 Not Used.
F15 Aux 1
