Originally Posted by
F1 Rocket
This one is setup EX Bus from the REX 12 to the Cortex Pro with PWM out. In this mode the flight control surfaces and nose wheel steering are connected direct to the Cortex Pro. In affect the Cortex Pro is acting as a channel expander. With the REX 12 it is possible to get 19 channels. Just another cool feature of the Jeti/Cortex Pro combo
It works very well... seamless on the transmitter and servo adjustment