RE: DX6i helimax axe
I am flying the stock RX and a Futaba 6EXH but most RX connections are the same.
Ch 1 = Right rear cyclic servo
Ch 2 = Front Cyclic servo
Ch 3 = Throttle "e-board"
Ch 4 = Gyro "single wire from E-board"
Ch 5 = N/C
Ch 6 = Left rear Cyclic servo
Hope this helps