"Thankyou heaps for this. It fixed my issue aswell. My transmitter does not have reverse function when in multicopter mode so this was the fix i needed. "

"I know its old post now, but Im having same issue. My Tunigy i10 does not have the reverse option in the transmitter itself when in multicopter mode, so only option is to try do it via the flight controller itself :S "

"Thanks for your help Craig, I will have a read now."

"Ok thanks Bill. Just playing around with it while i wait for faulty gps to be replaced and thought it seemed odd."

"If i attempt to use the pixhawk without gps.... should the controller arm?
I cant find what the LED labeled B/E solid red means"

"I assume its a clone. It came with all these extra attachments for just over $200, i assume they would have tested their setups before they sell it as a package, but not sure. In the youtube tutorial, his gps looks identical, but has a small red led…"