No all my models I use normal Aileron, Elevator and Rudder on radio ch 1, 2 and 3..
AileronTr, ElevatorTr and RudderTr only on trim channels if you have spare channels enough, my Profi is a 16 ch and all Wingstabi has 16 ch internal. Only difference is number of servo outputs 7, 9 12 or 16.
Greetings
Arne