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Calibrating, Setting, and Clearing Variables
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6. Press DONE to exit calibration.
Setting Weather Variables
You can set values for the following weather variables:
• Daily Rain—Sets the daily rain total. Monthly and yearly rain totals are updated.
• Monthly Rain—Sets the current months total rain. Does not affect yearly rain total.
• Yearly Rain—Sets the current year’s rain total.
• Daily ET (Evapotranspiration)—Sets the daily ET total. Monthly and yearly ET
totals are updated.
• Monthly ET—Sets the current month’s ET. Does not affect yearly total.
• Yearly ET—Sets the current year’s total ET.
To set a weather variable’s value:
1. Select the variable you wish to change.
2. Press and release 2ND, then press and hold SET. The variable blinks.
3. Keep holding SET until all digits are lit and only one digit is blinking.
4. Press the < or > keys to select digits in the value.
5. Press the + and - keys to add to or subtract from the selected digit.
6. When you are finished, press DONE to exit.
Clearing Weather Variables
The following weather variables can be cleared:
• Barometer—Clears any pressure offset used to calibrate the station, and the eleva-
tion entry.
• Wind—Clears the wind direction calibration.
• Daily rain—Clearing the daily rain value is reflected in the daily rain total, the last
15 minutes of rain, the last three hours of rain sent to the forecast algorithm, the
umbrella icon, and the monthly and yearly rain totals. Clear the daily rain total if the
station accidentally recorded rain when the ISS was installed.
• Monthly rain—Clears the monthly rain total. Does not affect the yearly rain total.
• Yearly rain—Clears the yearly rain total.
• Daily ET—Clears daily ET and subtracts the old daily ET total from the monthly
and yearly ET totals.
• Monthly ET—Clears the current monthly ET total. Does not affect the yearly ET
total.
• Yearly ET—Clears the current yearly ET total.
To clear a single weather variable:
1. Select the weather variable.
See “Selecting Weather Variables” on page 18.
2. Press and release 2ND, then press and hold CLEAR.
The variable you’ve chosen blinks. Keep holding the key until the value changes to
zero or, in the case of the barometer, the raw barometer value. Clearing the barome-
ter value also clears the elevation setting.
Clear All Command
This command clears all stored high and low weather data including monthly and
yearly highs and lows and clears alarm settings all at once.