Class 41 Warship NB A1A (Kernow Model) 

Function Key Layout for ESU/LOKSOUND V5 Sound Decoders.

F0 Directional lights on and off

F1 Engine on and off

F2 High horn (playable)

F3 Low horn (playable)

F4 Coupling up

F5 Manual brake whilst moving, brake release when stationary

F6 Cab door open and close

F7 Compressor

F8 Drive lock

F9 Flange squeal

F10 Guards whistle (playable)

F11 Heavy load mode (revs more)

F12 Fan sound

F13 Sanders

F14 Windscreen wipers

F15 Cab window

F16 Rail clank

F17 Short horn 1

F18 Short horn 2

F19 Cab lights (fade out when moving)