21 pin Loksound 5 decoder for a Bachmann class 47. This will be supplied with a bass enhanced speaker (soldered to the decoder) which fits under the fan.
F0 Lights
F1 Engine
F2 Horn
F3 Horn
F4 Air release
F5 Flange squeal
F6 Fan
F7 Guards whistle
F8 Volume control
F9 Inertia on/off
F10 Coupling up
F11 Cab door
F12 Spirax valves
F13 Compressor
F14 -
F15 Cab lights