Within DJI GO app you can modify the settings for Basic Gains. Gains for Roll, Yaw, Vertical, etc. from 80%-120%. Has anybody tried to change these values and see any effect on the behavior of the aircraft? I have spent a lot of time "playing" with these values but I saw no effect - nothing happens. Many, explanations have been given so far from people and even from DJI support, but in reality, there is no evidence that something changes by modifying Gain settings. - Unless, my P4 is defective ???