Silicon Laboratories DIGITAL COMPASS-RD User Manual page 8

3. Put the compass upside down, again as horizontal as possible, and hold it for a few seconds.
4. Turn the compass back over to introduce the degree value of the declination angle. Use the MENU button to increment
the value. The display will appear as shown in Figure 9. After the correct value of the declination angle for your region
has been set, press the ENTER button. See Section 7 for an overview of the declination angle.
5. Use the MENU button to increment the minute value of the declination angle. The display will appear as shown in
Figure 10. After you have finished, press the ENTER button.
The calibration procedure is now finished, and the compass will display the azimuth and the direction. If the
calibration procedure was not successfully completed (e.g. the compass was not rotated 360 degree), the ERROR
symbol will be displayed on the LCD, meaning that the calibration procedure should be repeated for the compass
to work properly.
Figure 9. LCD Declination Angle Degree Display
Figure 10. LCD Declination Angle Minute Display
Rev. 0.1
DIGITAL COMPASS-RD
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