walkera devo 7 transmitter Oct 23, 2014 4:19:48 GMT -8 Quote Select PostDeselect PostLink to PostBack to Top Post by kenbfun on Oct 23, 2014 4:19:48 GMT -8 i have the V400D02 heli withthe devo 7 devention transmitter can someone please tell me how i reverse a servo and if the swash should be set to normal or 3 at 120 or 90 0r 140