Discussions

Ch.7 Auto Trim?

Posted by Rob_Lefebvre on March 20, 2012 at 1:29pm

Is anybody using this function?  How does it work?  I've read what's in the wiki, and it's really not that helpful.

#define CH7_OPTION CH7_AUTO_TRIM

Allows you to hold trim the accelerometers of the copter when this switch value is high.

I gave it a shot, and set Ch7 option to Auto trim.  I took off normally, got into a hover, flipped Ch7 high, hovered for a bit, then turned it off... no change, no idea if it did anything.  I'm having trouble getting it to hover completely flat, so I was trying to figure this out.

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  • Developer
    Jason Short March 20, 2012 at 4:29pm

    This will do exactly what your asking. Just fly and maintain the quad a steady as you can in the air. You should eventually be able to let go and it will hover flat. You cannot do this in a windy or turbulent environment though. Your stick input alters the Accel calibration.

    This is also available by holding in the Arm command for 15 seconds. It lasts 45 seconds. then times out.

    Jason 

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