Kauai Labs navX-MXP User Manual page 37

Software
navXUI
"Rotating" indicator.
The Moving indicator is present whenever the current Gravity-corrected Linear Acceleration
exceeds the "Motion Threshold".
The Rotating indicator is present whenever the change in yaw value within the last second
exceeds the "Rotating Threshold". Note that the navX-MXP Gyroscope Calibration only occurs
when the navX-MXP is not Rotating for a few seconds.
Gravity-corrected Linear Acceleration (G)
The navX-MXP automatically subtracts acceleration due to gravity from accelerometer data, and
displays the resulting linear acceleration. These measures are in units of instantaneous G, and
are in World Reference Frame.
Sensor Temperature
The Sensor Temperature indicates the die temperature of the MPU-9250 IC. Since shifts in gyro
temperature can impact yaw accuracy, navX-MXP will automatically perform Gyroscope
calibration whenever navX-MXP is still. See the
details.
Magnetic Disturbance Indicator
Once the navX-MXP Magnetometer has been calibrated (see the
page), whenever the current magnetic field diverges from the calibrated value for the earth's
magnetic field, a magnetic disturbance is indicated.
Yaw Angle
The Yaw Angle is displayed in grey text if Gyro Calibration has not yet been completed. Once
Gyro Calibration is complete, the Yaw Angle text color will change to white.
Pitch/Roll Angles
The Pitch/Roll Angles are always displayed in white text, since Accelerometer calibration occurs
at the Kauai Labs factory.
Compass Angle
The Compass Angle displays the tilt-compensated compass heading calculated from the navX-
MXP's Magnetometer combined with the tip/tilt measure from the Accelerometers.
The Compass Angle is displayed in grey text if Magnetometer Calibration has not yet been
Gyro/Accelerometer Calibration
Magnetometer Calibration
page for more
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