I guess I am right with it, that the APM now gets its trim values on every boot from RC. But if you don´t use an RC(Joystick or only MP) or its powerded off, thats not so fine. Can anyone confirm this "issue".
Regards
Gregor
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From Tridge: That is controlled by the TRIM_AUTO parameter. It defaults to zero, meaning it does not copy trim values when you switch out of manual. That default was chosen because if you don't know it will happen and you have some elevator or aileron stick applied when you change out of manual you get very bad trim.
So when TRIM_AUTO is 1 then every time you switch out of manual the trim values will be used for the other modes but your sticks must be at neutral when you switch.
Gregmaan,
I'm not an ArduPlane expert, I'm on the ArduCopter side but I think the radio trims are all set when you do the Radio Calibration through the mission planner. I think gyro offsets are captured at start-up but everything else (i.e. radio trims, accelerometer offsets) are done when you configure the board.