Step 7: Weather Tendency
Press the Tendency section (see
graphic). The bottom section of the screen will show
when the weather condition corresponds to the currently
displayed symbol, along with the time and date.
The symbols are Sunny, Fair (Cloudy with Sunny intervals), or Rainy. The Up and Down arrow next to the symbol indicates weather tendency. Advanced storm warning is displayed by the Rainy symbol with a flashing down arrow.
Every minute, the weather center obtains a new reading, and this value is compared to the pressure readings from the last two hours. The biggest resulting difference is displayed in the difference barometer, below the symbol.
Continue with Step 8: Air Pressure History