DS31P Class 31 Sound File For ESU

F0 Front light
F1 Engine On/Off 
F2 Brake Key
F3 Hi Horn Playable
F4 Lo Horn Playable 
F5 Light Engine Mode/ Cold Start
F6 Cab Door
F7 Drive Hold
F8 Compressor
F9 Flange Squeal
F10 Tail Lights 
F11 Functioning Hand Brake
F12 Stationary - Spirax/ Driving - Sanding
F13 Guards Whistle
F14 Buffer, Couple and Taking Slack 
F15 Fan (Also Random) Aux 5
F16 Rail Clank 
F17 AWS Bell 
F18 AWS Horn 
F19 Fade out sound
F20 Not in use
F21 Not in use
F22 Station Ambience 
F23 Air Release (Also Random) 
F24 Driver Vigilance Device
F25 Not in use
F26 Spot Lights (Network Rail Model)
F27 Not in use
F28 Volume Control (5 Step, Left Turned On = Mute)