What are the limits on size and shape of a zone?
Zones can be almost any shape. It needs at least 3 and no more than 24 dots (wow, that’s a lot!) to define a zone. Generally it works best to work from the corner closest to the Watering Head and go around clockwise to set the dots. It does not handle concave shapes where it would need to water two different parts radially. For instance, looking from the Watering Head, a U-shape would be okay, but a C-shape would not. These complex shapes can be broken into smaller zones that can be handled.