 Right? But, boy, that doesn't... At least it's working. I don't know what range it's supposed to be. Well, you're going to see it go down as it builds up pressure in the tank, and you're going to see it go up as vacuum exists, if I recall correctly. All right. Your scale... The opposite, actually. Voltage goes down as I apply vacuum. Okay. But it sweeps in one direction, and then it increases in the other. Yes. All right. I wonder what the starting point is, because you're in Colorado...