Compass calibration from transmitter

Is there any way to add to the new firmware a function (like flight mode)to make compass calibration on field with a switch on the radio??

There is in 3.7, if you are or want to run that version.
It’s rc#_Option=62

Here’s more info:

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hold throttle stick full up and full right yaw for 2 seconds will initiate calibration mode, you can then perform the compass calibration dance without a ground station, if that’s what you want.


Didn’t know that
Thank you a lot

Ok, so this feature was removed since the 4.2 version.
So how can I now initiate compass calibration from rc switch?
Maybe there is some LUA function&

Don’t. Do a crude initial calibration the best you can and then use Magfit for the final cal.