Originally Posted by
MarkF
Got it figured out. A friend called and said I didn't set the 900 after I bound it and it's a safety feature to not let you go forward until you do or something like that. But it's working now. Thanks for your help everyone.
Ah of course….there must a 2.4 or both if you have 2 installed before the Transmission start and 900 get turn ON ….
In other word you cannot fly only on the 900….it’s strictly backup.