In the back I have an area that is shaded most of the time and never drys out. Usually I can hear the water squish under my feet when I walk back there... The question is in reference to being able to shut off these 2 sprinkler heads manually as needed to allow the grass to dry out. The sprinkler heads in question are rainbird 5000. I noticed in the documentation the 5000 plus has a shut off. Would this shut off alllow me to turn off just those two heads and not affect anything else? Also I have...