i am working on a special project. I am trying to use one servo for throttle only and one servo for brake only.I have a dx3r pro.It will mix channels but it still will not make one servo work only one way and the other servo work only the other way. Any ideas? I had horizon on the phone for 20 minutes trying to help me with my radio.They tried but at the end they said it couldnt be done. Help!!

i have not used a dx3r pro but should there be an end point adjustment or a value, page 13 of the manual say adjust the values for a different reaction.