I found it...........DX8 setup for F4U S bnf corsair is 100 hi rates 70 low rates.......Switch select should be Trainer: Aux1 Flap; Gear Servo reverse AUX 1 Resulting in Flap/Gyro Switch operates the 3 SAFE modes , (0 beginner /1 intermediate /2 advanced )
The trainer/bind button operates Panic Recovery