most systems have at least different program...ours has three.
Usually if you hit the program button...and nothing else...you will see in a corner of the screen either an A or B or C...just cycle through and see if there are any times set on the other programs.
So you have the possibility of multiple days per week per week and with another program set (B or C) you can double or triple the days and times to be watering.
What I do to avoid an error is my watering is done on program A and on program B and C I have each watering station run time set to zero.
btk
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