this is how i set up the apm 2.8 / 2.6 and only thing you need to get flying ! this video is how to set ppm pwm , how to program , how to know the difference between a 2.6 / 2.8 what need to be done to each on compass location and use ! iv done all my apm with this set up and allways great out come i try to answer most common problems and main tune issue and how to fix on most apm builds hope this helps some of you thanks for watching ...