Because I think I *may* have isolated some of the jerks I have to, not so much the settings, but the location of the IMU being on the gimbal itself.
When I start or stop a motion rather sudden, the gimbal itself is moving because of g-forces on the anti-vibration balls?
Now, my guess is, that if you isolate the IMU from movements the gimbal itself may make, so locate it on the aircraft, it compensates not only for attitude changes, but also for movements the gimbal itself makes because of g forces, vibrations acting on the gimbal.
But, hee, I am just guessing. When I fly slow things are fine most of the time, but if I make more sudden changes in attitude there is sometimes a delay in attitude compensation, aka jerk.
I descend a bit to get s shot of the guy, and then press the stick forward, but decide not to come closer after all, and release the stick again. The camera "dips" a bit....
Edit: I meant this movie to start at 3 mins 1 second, but it doesn't work
With mechanical limit I mean the gimbal is at its maximum movement, it is mechanically stopped. This could happen when the multi copter is tilting a lot, like in stoping fast movement.
NAZA has gimbal outputs for controlling Pitch and Roll servo, it should be possible to use them for FC_PITCH and FC_ROLL, but maybe not if you are using it also for Tilt (Pitch).