V5.0 Steam Class A3 Double Chimney Digital Sound Decoder including Speaker – 8 Pin

Key Functions Sound slots Volume CVs Volume values F0 Lights F1 SWD A3 1, 9, 24, 27 259, 323, 443, 467 128, 96, 96, 64 F2 Multi Whistle 7 307 128 F3 Ejector 14 363 35 F4 Blower 21 419 50 F5 Drive sound hold 5 291 96 F6 Safety Valve 12 347 96 F7 Injector 20 411 64 F8 Dynamic brake F9 Flange Squeal 15 371 96 F10 Drive Mode F11 Guards Whistle 10 331 64 F12 Drain Cocks 23 435 64 F13 Coupling Clank 8 315 64 F14 Handbrake 18 395 96 F15 Uncoupling Cycle F16 Volume control F17 Water Fill 25 451 64 F18 Switching Mode F19 Coal Shovelling 17 387 64 F20 AWS Bell 22 427 40 F21 AUX1 [1], Firebox, Firebox door 6 299 64 F22 AUX2 [1] F23 AUX3 F24 AUX4 F25 Acceleration F30 Slot 030 Random Coal 30 491 64 F31 Slot 031 Random SV 31 499 96

Make sure that index CV31 is set to 16 and index CV32 is set to 1 before changing a volume CV.