RE: Dual Rate vs Flight Mode
I'm also struggling to figure out exactly what you're asking but I'll take a shot at an explanation.
As Mike stated, each flight mode has it's own unique set of programmable rates and expo. Flight mode 1 is the default, meaning that if none of the other flight modes is overtly selected, then flight mode 1 is in effect. Flight mode one has triple rates, and each rate has it's own exponential setting associated with it.
Like the flight modes, Rate 1 is the default and is in effect if no other rate has been chosen. For this reason, you will not find any switch setting for flight mode 1 or rate 1... there's nothing to assign. They're in effect as long as another rate or flight mode is NOT turned on.
Because the radio allows you to assign ANY function to ANYswitch, the programming has to account for ambiguous set ups. For example, you could assign Flight mode 2 to one switch, and flight mode 3 to another switch and potentially have them BOTH turned on. In that scenario (and any others like it), the highest Mode or Rate overrides and is in effect. So flight mode 2 overrides 1, flight mode 3 overrides flight mode 2, etc. Same for the rate conditions.
So for your question regarding rates. You can have up to 15 unique rates on each channel. Flight mode 1, Rates 1,2,3 - Flight mode 2, rates 1,2,3 - Flight mode 3, rates 1,2,3 - etc. through flight mode 5.
They're all unique, and each has it's own unique exponential setting as well.
Does that help??