WT901B | manual v0707 | http://wiki.wit-motion.com/english
2.3.2 Magnetic Field Calibration
Purpose:
Magnetic calibration is used to remove the zero bias of the magnetic field
sensor. Usually, the magnetic field sensor will have a large zero error when it is
manufactured. If it is not calibrated, it will bring a large measurement error,
which will affect the accuracy of the measurement of the z-axis Angle of the
heading Angle.
Preparation:
Sensors should be 20CM away from magnetic and iron and other materials
Methods:
Step 1. Open the Config menu
Step 2. Click the magnetic field calibration button. click the “Start calibration”
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