With the 7C 2.4, you can do it this way:

Channel 1= Aileron
Channel 2 = Elevator
Channel 3 = Throttle
Channel 4 = Rudder
Channel 5 = Elevator2 (Go to page 45 of the manual for Ailevator function)
Channel 6 = Aileron2
Channle 7 = Smoke, you can Y the Batt to any channel).

Hope that helps!
Doug

P.S. Bax, Sorry that I responded to this post in the Futaba Support forum, for some reason I thought I was at the regular Radio Forum.
Please delete this post.

Doug