hi new to setting up a collective pitch heli I have a ar72oo reciever and I'm have trouble setting up the heli . I've watch the video posted on here and when I get to menu e setting up tail servo etc.. I'm getting a red light instead of blue like in vid that's as far as I've gotten with it my servos are as close to 90 degrees as possiable and I haven't leveled swash or checked pitch on blades fiqured I needed to set up reciever first but I'm not sure any help whould be appreciated.