Airmar WeatherCaster™ Software - Manual (Page 42)

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True Wind
Course-Over-Ground (COG) is used to calculate the True Wind direction and
speed. To disable the use of COG and substitute the internal compass heading in
the calculation, un-click the check box (see Figure 47). For more information, click
Help. To accept the change, click Save.
Damping
Damping is used to control electronic noise for more accurate pitch and roll and
compass. readings. To change a damping coefficient, enter the number in the
appropriate text box (see Figure 48). For more information, click Help. To accept
the change, click Save.
Figure 47. True Wind Options options window
Figure 48. Damping options window