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Weather Forecast
The weather forecasting feature is
estimated to be 75% accurate. The
weather forecast is based solely upon the
change of air pressure over time. The WS-
7211U averages past air-pressure readings
to provide an accurate forecast, creating a
necessity to disregard all weather
forecasting for 12-24 hours after the unit
has been set-up, reset, or moved from one
altitude to another (i.e. from one floor of a
building to another floor). In areas where
the weather is not affected by the change
of air pressure, this feature will be less
accurate.