La Crosse Technology, Ltd.
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memory. The three hour pressure icon change is based off of the last four
average hourly readings.
IMPORTANT: As the Professional weather station builds memory, it will
compare the current average pressure to the past forty day average pressure for
increased accuracy. The longer the Professional weather station operates in one
location the more accurate the forecast icons will be.
Install fresh alkaline batteries with correct polarity.
WEATHER STATION IS BLANK: NO LETTERS, NUMBERS OR DASHED LINES
Check that the batteries connect correctly.
Batteries may be overpowered or underpowered.
Remove batteries from Professional weather station.
Press any button 20 times. Leave the batteries out of the Professional weather
station for 2 hours.