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I am using FrSky X7 transmitter and X4R receiver for my rover. Although it is moving in left-right direction, it is not going in forward and backward direction. I have tried using a different switch to use this but it is not working still. Also, I have checked that my throttles are good in mission planner when I go to radio calibration option. How can I fix this? I have attached my input and mixer in transmitter as a drive link.
Drive link
second one