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System.SystemIdentSettings:
- Is stored permanently
- Is not logged
- Is reset to default values if you stay in AutoTune mode until the shaking starts (about 2.5 seconds).  As with other AutoTune data changes (not sent by you from the GCS), this is not stored permanently until you disarm.  If you power off without disarming, the reset values are not stored permanently.
- Tau, GyroReadTimeAverage, Beta (3 values), and Complete are the fields filled in by the AutoTune flight.  Other fields are used by SmoothQuick to convert these values into PIDs and check and limit the PIDs.
- DampMin, DampRate, DampMax affect the control damping.  Decrease damping to make your aircraft response more rapidly.
- NoiseMin, NoiseRate, NoiseMax affect control sensitivity.  Increasing noise (sensitivity) will make your aircraft respond more rapidly, but will cause twitches due to noise
- These Damp and Noise values together form the dual virtual slider SmoothQuick
- The smooth end of SmoothQuick uses DampMax and NoiseMin
- The quick end of SmoothQuick uses DampMin and NoiseMax
- The center of the SmoothQuick slider uses DampRate and NoiseRate
- CalculateYaw can be False,TrueLimitToRatio,TrueIgnoreLimit default is TrueLimitToRatio
- YawToRollPitchPIDRatioMin is enabled with CalculateYaw default is 1.0
- YawToRollPitchPIDRatioMax is enabled with CalculateYaw default is 2.5
- DestinationPidBank default is 3
- TuningDuration is 60 seconds
- DerivativeFactor default is 1.0 and can be set between 0.0 and 1.0 to reduce the normal PID D term (helps reduce D term oscillation if that is a problem)
- SmoothQuickSource default is 25 (FMS toggle method with 5 positions)
- SmoothQuickValue default is 0
- DisableSanityChecks disables certain checks that stop the PIDs from being written default is false
- Complete is set true after a successful AutoTune run.  It must be true for PIDs to be written to
DestinationPidBank 

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