You can program the XP 6102 for dual elevators, but you have to Y harness the ailerons. Turn Flaperons off. Then go into the program mode to:

[MX4] > ELE -> FLA

ON OFFSET 0

% % ----- adjust percentages

SW ALWAYS ON

On the reciever I used Elevator plug and AUX1 the reciever is a R790UL

You may not be able to get your elevators to line up exactly on full deflection on a Y harness

That is how I set up my 30% Extra