Thanks for the clarification, but I have to say that this is just about as transparent as mud. I now see what they’re doing, but I fail to see why the Field Capacity graph just can’t be displayed showing values that are 100% of actual with a red line (Allowed Depletion) showing that when the moisture balance drops below it, that the zone runs. Data needs to be presented to the user in an understandable format, and not some obtuse format. I wonder how many users of this system understand what that graph means.
It also doesn’t help that if you change the Allowed Depletion, that the graphs don’t change until you exit the zone and re-enter it. I was making changes, as nothing was changing.