Roco BR 85 009 DB Manuel D'utilisation page 42

F-Key Function for 72273 / 78273
F11 Counter-pressure brake at constant speed or during deceleration (only if F1 ON)
F12 Short whistle
F13 Drainage (only if F1 ON)
F14 Mute key
F15 Coal shovelling
F16 Feed pump
F17 Injector
F18 Air pump
F19 Safety valves
F20 Decoupling
F21 Coupling
F22 Water drum
F23 Curve squeaking (only with F1 and whilst driving)
F24 Blower
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F25 Slagging
F26 Volume +
F27 Volume -
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