Originally Posted by rowdyjoe
I'll poke my head up over the wall here. I think the servo creep is nothing more than the result of the gyro not being set for zero stick properly while also having the gyro in HH mode while on the ground. AVCS just keeps moving the servo slowly in response to what it things is very slow rotation of the heli. Proof is too switch to Rate mode and see if the creep stops.
Try doing the 'three mode changes' in 3 seconds to reset the gyros learned center point again...