Anyone know if its possible to hook up the "tilt" servo from a fatshark pan / tilt camera mount like this http://www.banggood.com/Fatshark-FPV-Pan-Tilt-Mount-with-9g-Servo-180-Degree-Gimbal-p-953567.html to the phantom 2 V3 using the 7th channel (x1) so it is controlled by the scroll wheel of a stock receiver?