Hi, I have two questions

1- My buddy has a 10C. He has a 617 installed in an Edge that requires 2 elevator servos.He can't seem to use the ailevator function as the second servo requires channel 8 which obviously the 617 doesn't have.Any way around this?

2- I am planning to get another 12fg to fly my 72mhz receivers.Tower has the mode2 on offer.Can I switch over to mode1 (after reprogramming the setup) mechanically by just adjusting the stick spring tension and ratchet? I read the online manual that states that i need to send theset back to the service centre to make the switch.Or is it possible to do it by oneself , does the pcb cover the sticks like the 9zapWC?

Thanks