Class 20 DCC V1 SOUND FILE
F0 Automatic lights - red both ends when F1 off, white/red directional when F1 on. Tail lamps off when coupled up (F6 on)
F1 Start warm, F1 F1 start cold
F2 Horn high
F3 Horn two tone
F4 Brake sound
F5 Drive hold
F6 Couple up, tail lamps off when F1 on, spirex valves on when F1 off
F7 Uncouple
F8 Handbrake on/off, will inhibit drive when on
F9 Flange squeal
F10 Auto compressor
F11 Guards whistle
F12 Station Annoucement 1
F13 Station Annoucement 2
F14 Station Annoucement 3
F15 Station Annoucement 4
F16 Volume
F17 Cab door
F19 Pump on
F20 Fan on with soft start and delay, fan noise on when F1 & F8 off
F21 Shunting radio 1 (3 different sounds)
F22 Shunting radio 2 (3 different sounds)
F23 Sanding valve
F24 AWS
F25 Fire alarm bell
Recommended speaker type 3 & type 4

Decoder - LokSound 5XL 58513 screw terminals

Crossover parts

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