Got my new APM setup in my quad. Can't get it armed

I am running acm2 bought soldered from udrones and get positive results that my radio is setup perfectly in terminal tests and also in ardu mega setup. The only thing I am not able to do is arm my quad.

I have my radio calibrated in both terminal and in APMsetup. Check attachmentMy aux 5 settings on a 3way switch.Check attachmentAPM GPS is working, everything seems ready for take off, including ESC calibration. Check attachment
I have disarmed the radio for 10 seconds, and then armed it for 10 seconds, and then armed it again. No Go. Even with GPS fix....

What am I missing?


APM first time.JPG



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