"Thank you for your answer.
I used that automatic calibration function, but got a bad value for ARSPD_RATIO and want to set my old value again.
Is it not possible anymore to set the value manualy?
Hi!I tried to set the airspeed Ratio Parameter with Mission planner (arspd_ratio) but it is not possible. If I change the value in full parameter list, the field gets red and I can´t write it to apm.Does anyone know, what´s the reason for that?I…