Horn Traceability Spider Diagram

Element View:
HornHornEach vehicle must be equipped with an electric horn mounted towards the front of the vehicle, in such a manner that is effectively audible to other vehicles and track marshals.Volume and pitchThe horn must have a high tone (pitch) of equal or greater than 420 Hz.With the vehicle in normal running condition, the horn must emit a sound greater than 85 dBA when measured 4 meters horizontally from the vehicle.The horn must have a noise capability/volume greater than 110 dBA.Horn