Randy Wynant sent this in:
These are step by step, and certainly can help many who might be considering going AS3X of some kind.
There are at least 14 vids, all very short and to the point! Helpful.
Searching on: Spektrum AS3X Step 1: Transmitter Setup (Initial Setup) in you tube gets you to the first one.
Or here: https://youtu.be/LnYiKgrL_bU
As one completes, it should take you to the next one in line…2, 3, 4 etc