For Deviation 8S, protocol Devo. Flight Modes and Throttle Hold(via the 'RUDD DR' switch).
FMode1 - indoor 2D (6-axis)
FMode2 - outdoor, more aggressive 2D (6-axis)
FMode3 - outdoor, 3D (3-axis)
Trottle curves for hovering at about 50% throttle.
ladybird