How to Read CO-10 or AMR?

The reading of CO-10 or AMR depends on the water meter connected. For AS200U-75P (1 gallon per pulse), when CO-10 or AMR displays 12, it means 12 gallons. For AS250U-100P (10 gallons per pulse), when CO-10 or AMR displays 12, it means 120 gallons. For MJ-75f (0.01 cubic feet per pulse), when CO-10 or AMR displays 12, it means 0.12 cubic feet.