Originally Posted by Hellraser
You are half right
it activates the hover trims (hover P & hover T) - on all points except top and bottom you have the option of switching hovering on or off on each point for both the throttle and pitch curves (Devo 8 and 12 only)
When activated the points of the curve can be trimmed upwards or down wards with the hover trim switches - I have found it a useful tool for fine tuning my curves - the screen on the Devo 12 has a trim count for the hover pitch and throttle trims you have used just as it does for ordinary trim so there is no way to loose track of the trim you have used
Thanks David! It sounds similar to a function my Thunder Tiger Innovator software had. You could shift the middle of the pitch or throttle curves up and down but points1 and 5 would stay fixed. It sounds like this one won't get you into trouble like some TX hover T and P functions can, which is nice.