La Crosse Technology WIRELESS 433 MHZ WS-7391U - Manual (Page 14)

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FEATURES OF THE WS-7391U
I. Weather Forecast
The weather forecasting feature is estimated to be 75% accurate.
By adjusting the sensitivity setting, you can achieve a better
accuracy of forecast. The weather forecast is based solely upon the
change of air pressure over time. In areas where the weather is not
affected by the change of air pressure, this feature will be less
accurate.
1. Weather Icons
There are 3 possible weather icons that will be displayed
in the TENDENCY LCD:
Sunny—indicates that the weather is expected to improve
(not that the weather will be sunny).
Sun with Clouds—indicates that the weather is expected
to be fair (not that the weather will be sunny with clouds).
Clouds with Rain—indicates that the weather is expected
to get worse (not that the weather will be rainy).
The weather icons change when the unit detects a change
in air pressure. The icons change in order, from “sunny”
to “partly sunny” to “cloudy”. It will not change from
“sunny” directly to “rainy”, although it is possible for the
change to occur quickly. If the symbols do not change