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GWR Pannier functions
Function number Sound Operation
F0 - Directional lights (FOf+FOr)
F1 Fade in/fade out -
F2 Whistle (playable) -
F3 Whistle long+short -
F4 Brake hiss Brakes are applied
F5 Coal shovelling -
F6 Injector -
F7 Ejector -
F8 Buffer clash/coupling up -
F9 Flange squeal -
F10 Safety valves -
F11 Manual draincocks -
F12 Vacuum dump -
F13 Coach door slam -
F12 Guard's whistle -
F4 Brake On pressing F4 the sound of the brakes being applied will be heard. At the same time, if the throttle is set to zero, the loco will slow down as if the brakes have been applied. The rate of braking can be adjusted via CV4. For best results, and to closely simulate the prototype, it is recommended to set the F4 action on your DCC controller to 'trigger' (momentary) action, rather than latching, if your DCC system offers this as an option.