acinfinfinity

I have the ai controller, soil moisture probe and the ac infinity outlet (the irrigation water pump plugs into to turn on and off). I got this equipment in hopes of having the controller take care of my grow environment and a simple moisture based crop steering irrigation system. But it lacks a...

So has anyone checked this out? I just got mine in the mail. There's a way to change the vpd on the ac infinity controller 69. It's my understanding that basically it calibrates the vpd sensor. Is that right? Basically it told me my vpd was higher than I thought, and now idk how to get it in...