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Centrix stores analogue events for the electric current for DC Track Circuits and average current for AC Audio Frequency Track Circuits.
The electric current is high when the track is not occupied and drops when the track is occupied:
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Centrix stores analogue events for the electric current for DC Track Circuits and average current for AC Audio Frequency Track Circuits.
The electric current is high when the track is not occupied and drops when the track is occupied:
...