Airmar WeatherCaster™ Software - Manual (Page 47)

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Paddlewheel Calibration/Water Speed Calibration
The paddlewheel can be calibrated if the Water Speed sensor is selected and a
GPS device is available and selected for use. In the Advanced Setup window on
the Sensor Hardware tab, select the Source Sensor, Water Speed (see Figure 36).
On the Communications/Diagnostics tab select a GPS device (see Figure 65).
Return to the Sensor Hardware tab and click Paddlewheel Calibration to begin.
The Paddlewheel Calibration window will appear (see Figure 58). Follow Step 1.
Click Calibrate to adjust the calibration table, Restore to return to the factory
default setting, or Cancel to stop.
Follow Step 2 (see Figure 59). Click Start to begin the process or Cancel to stop.
Figure 58. Paddlewheel Calibration Step 1
Figure 59. Paddlewheel Calibration Step 2