Airmar WeatherCaster™ Software - Manual (Page 44)

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Compass Calibration
Most Airmar sensors with an internal compass must be calibrated for maximum
accuracy. (Your sensor/instrument owner’s guide will specify if this is required.)
There are two ways to calibrate the compass; auto calibration and commanded
calibration. Commanded calibration uses the WeatherCaster software.
In the Advanced Setup window on the Sensor Hardware tab, select the Source
Sensor (see Figure 29). Click Compass Calibration to begin. The Compass
Calibration window will appear (see Figure 51). Follow Step 1. Click Next to
continue or Cancel to stop.
Follow Step 2 (see Figure 52). Click Next to continue or Cancel to stop.
Figure 51. Compass Calibration Step 1
Figure 52. Step 2