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For a gas engine I need to use the throttle trim when the throttle lever is at minimum to adjust the idle.
This function does not work on my TX6i.
I am able to use a throttle cut switch by raising the zero point on the throttle curve to about 10% but that does not allow me to use the throttle trim to adjust for proper idle.
The throttle trim DOES work around throttle center or 50% per the display screen just like aileron, elevator and rudder. Sticks are calibrated. Fail-safe works too.
Is this a programming/firmware defect?