apm 2.6

Hi, new to the world, picked up a couple of used apm 2.6 arducopter flight controllers. Yes, I know they are ancient, and I know there are better modern ones at a good price, but this has become a battle of stubbornness now, even though there is better, they should work, and I have come to the...

I'm using the Apm 2.6 fc with Emax 30a esc and SunnySky X4108s 380kv. I just finished the build last night and I thought I would calibrate it today and go flying..........During the calibration something went wrong. When I arm the quad I don't get my beeps until I throttle to 49%.........then...