Flight mode config

ArduPlane Plane 3.7
1

Anyone know what channel controls the flight modes? I had it set up before but I have no control over flight modes now. The 3pos doesn’t switch flight modes even tho it has the correct pwm.

2

http://ardupilot.org/plane/docs/common-rc-transmitter-flight-mode-configuration.html#common-rc-transmitter-flight-mode-configuration

http://ardupilot.org/plane/docs/parameters.html#fltmode-ch