3 modes with 3 positions switch,
or 6 with rotating pot, (if you want to play hard)
or try to follow the page 152 instructions of the user manual, (confusing)
Rotating pot: You can have all six modes accessible from the rotating pot, if you need six modes?
3 modes is all that I need (Stabilize, Alt Hold, Loiter). If your radio is able to mix a switch(master) with a channel(5), you can follow some tutorial and have a 6 modes (2 switches) setting.
I use the rotating pot for Tuning when needed or Camera Tilt.
John, I have a 7C Futaba and used this video to set mine up. My be this will help.