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Tilt Calibration - Silicon Laboratories DIGITAL COMPASS-RD User Manual

Digital compass reference design kit

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DIGITAL COMPASS-RD
6.4. Inclination
Choose menu option "I" and press the ENTER button to select this option. Angles of tilt on both X and Y axes will
be displayed on the LCD. Inclination angles can be measured correctly up to 70 degrees on both axes. Beyond this
value the degree displayed will be 70.
Figure 5. LCD Inclination Mode Display

6.5. Tilt Calibration

To calibrate the tilt of the compass, put the board in a horizontal position. Choose menu option "Ct" and press the
ENTER button to select this option. "CALIBRATION" and "INCLINATION" segments will appear during the
calibration process as shown in
. Do not tilt or move compass during tilt sensor calibration. After tilt
Figure 6
calibration the compass will display the inclination angles. It is recommended that a tilt calibration should be
performed each time tilt angles fluctuate.
Figure 6. LCD Tilt Calibration Mode Display
Rev. 0.1
5

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