We don't have a master value on our system.
But yes, what I need is to be able to inject a specified delay between zones and then specify which zones it should be applicable to.
For example Zones 1-13 I want to run for 15 minutes each however have a 10 minute delay between each zone executing. So, Zone 1 runs, completes, the system waits 10 minutes, Zone 2 runs, completes, the system waits 10 minutes, etc.
However for Zones 14-15-16 I don't need a delay, so they should run in succession without a wait. Perhaps allow a variable to be set for the delay time and then have a checkbox next to each zone something like "Apply Zone Delay after this zone runs" or something?
We are going to start watering soon and this feature would be VERY helpful.