I was thinking the same idea. The vanes for NTC are on the same vane as the NTB or NTT slowdown. It's a U shaped vane and one side is NTB or NTT and the other side is NTC. On this job (300 FPM) there are two notches int the NTC vane, so the sensor will go low two times as the car comes into the floor. Since the vanes are intregal, if you move the NTC vane it also moves your slowdown vane. I did try moving these up and down to see if we would have a different outcome but No Luck. Also went through all MCSS parameters to find an adjustment parameter still No Luck. This job came from Otis and they had these inputs disconnected, there must be a reason why.