Questions abount PTCH_RATE_SMAX and RLL_RATE_SMAX on AtomRC Wings

Hi guys,

I have 2 wings - an AtomRC Dolphin and Swordfish, and according with this topic:

I should lower the value for both parameters - PTCH_RATE_SMAX and RLL_RATE_SMAX.
I’m lowering - now I have both in 50 instead the 150 and I still having oscilations.
My questions are:

  1. My procedure is lower the SMAX, run an autotune and fly. This is the correct procedure or just lowering the value I don’t need to run autotune again?
  2. What would happen if I disable both SMAX parameters ? (setting with 0).