New plane setup pixhawk

just trying to setup new plane
i have 2 servos one in ch1 and the other in ch9 RC9_FUNCTION=18
it works fine in manual but if i switch to a flight mode it stops working
i do say its something i have done or over look new to pixhawk and Ardupilot an old man to :blush:

Ok worked it out when i did a radio calibrate did not save them properly