I think in your radio it has to be the flaperon set up, been a couple of months sense I set up a plane with the DX7 but with duel aileron servos as I recall it was a must do thing. I set up a couple of students with the DX7 and end up doing there aircraft set up for them, there is one step I always forget to do and it bitesmybutt every time. The instructions are a little lacking in that set up or I just keep missing it? Probably just me, just too many radios, mine is a lot easier to use.