Thank you very much mate!!! at blooming phasee i will do your adjustment for sure, but in veg i want half power of this light to stretch more my plant, in HLG told me if i will cut down IO adj, all the way down, i will have the half power from driver thats would be 100w. what you think about it?
That is correct.
here's a good video on the A type drivers, starts at 16'20"
