My little thank you and give back for all the ideas, model files found here and the super-powered Devo units I have now.
Syma F3 helicopter - 4ch little bird with the same protocol like the V911.
Devo 10
RUDD DR Throttle hold 0: Hold 1: On
FMOD Flight mode 0: Low 1: Med 2: High
Devo 7e (with 3*2 switch mod)
HOLD Throttle hold 0: Hold 1: On
SW B Flight mode 0: Low 1: Med 2: High
Channels
1 Aileron
2 Elevator
3 Throttle
4 Rudder
Tested and works for me well. BUT... It is just "remix" what I have found here, so use with care at your own risk