Hi again. I don't see anything on the Tx for mixing. It just has 4 switches AIL, ELE, THR, RUD. The ail and ele (first 2) are switched to nor. The thr and rud (second two) are switched to rev. They all seem to work as usual except that if the motor is running and you pull back (down) the right stick (for nose up) the engine loses about 1/2 it'sRPM. I played with the throttle trim but it didn't make anydifference. I also tried reversing the throttle but it still lost 1/2 engine power. I checked the polarity of all the connections andthey are all the same (brown red and orange wires all lined up in the Rx slots). The top 4 slots in the RX are filled. Thisseems to be according to the directions. This is the stock Rx and Tx. I will re-check the diagrams and connections but I don't think anything is hookedup wrong as all the othercontrols are OK - Rudder Elevator and Ailerons all working normally.