What is the difference between Auto Trim and Set Angles menus and what is a good strategy for trimming the model with CPII installed?
1) Auto trim is expressed in degrees. Default value is 6 degrees. If using Auto trim, trim the model out with CPII switched OFF. Then turn CPII ON and re-trim the model again for level flight. When you turn CPII OFF again, trim should not change. If it does, increase the Auto trim value. If it still does not hold same trim with CPII ON vs. OFF, then you will need to either alter the install angle of the main sensor (tilt it slightly), or use set angles to trim CPII. 2) What Auto trim does is maintain CPII slightly ON even when it is switched OFF. That’s why we term it for beginners. Advanced pilots sometimes do not like the fact that CPII has any control over the heli when it is switched OFF. 3) If you want CPII to have no control over the heli when switched OFF, then turn Auto trim to zero. 4) Now you will need to trim CPII for level flight when it is ON independently of when it is OFF. Some people tilt the main sensor to achieve level flight in this case. Some people use the Set Angl