Throttle control too free
As soon as you go a little past the middle notch (forward and backward) of the throttle, the throttle "falls" all the way forward or backward. You have to keep your hand on it all the time, which is not practical at all. I asked the manufacturer about a possible tightening of the throttle, and they told me that it was not possible and that it was intended to make the throttle more responsive. I didn't think it was worth answering.
This joystick was returned to its box, and I took back my old one, less expensive but more practical!