Airmar WeatherCaster™ Software - Manual (Page 43)

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Depth
You can modify the depth reading to compensate for the distance between the
transducer’s face and the water surface or a part of the keel (see Figure 49). Enter
a positive value if the transducer’s face is below the waterline. If you want to
measure depth from the bottom of the keel, enter a negative value to compensate
for the distance between the transducer’s face and the bottom of the keel. To
return the setting to zero, click Zero. To accept the change, click Save.
Temperature
You can modify the water temperature reading (see Figure 50). Enter a positive
value to report a temperature higher than what is measured. Enter a negative
value to report a temperature lower than what is measured. To return the setting
to zero, click Zero. To accept the change, click Save.
Figure 49. Depth options window
Figure 50. Temperature options window