Davis Instruments DWW6351 Manuale Utente
Calibrating, Setting, and Clearing Variables
29
To set a weather variable’s value:
1. Select the variable you wish to change (either RAIN or ET).
2. Press and release 2ND, then press and hold SET. The variable blinks.
3. Keep holding SET until all digits are lit and stop flashing. Release SET; only
1. Select the variable you wish to change (either RAIN or ET).
2. Press and release 2ND, then press and hold SET. The variable blinks.
3. Keep holding SET until all digits are lit and stop flashing. Release SET; only
one digit is now 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.
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 Accumulations
&
Calibrations
The following weather variables can be cleared:
• Wind—Clears the wind direction calibration.
• Barometer — Clears any pressure offset used to calibrate the station. Clear-
• Wind—Clears the wind direction calibration.
• Barometer — Clears any pressure offset used to calibrate the station. Clear-
ing the barometric pressure offset value also clears the elevation setting in
Setup Mode. See “Screen 10: Elevation” on page 11.
Setup Mode. See “Screen 10: Elevation” on page 11.
• 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.
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
• 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.
• Heating and Cooling Degree Days— Clears the accumulated degree day
• Heating and Cooling Degree Days— Clears the accumulated degree day
total.
To clear a single weather variable:
1. Select the weather variable. (For degree days, select outside temperature,
1. Select the weather variable. (For degree days, select outside temperature,
press WxCtr until degree days is displayed.)
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.
key until the value changes to zero or, in the case of
the barometer, the raw barometer value.
Note: Clearing the barometer 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.
1. Press WIND, making sure wind speed is displayed.
2. Press 2ND then press and hold CLEAR for at least six seconds.
3. Release CLEAR when “CLEARING NOW” displays at the bottom of the
and yearly highs and lows, and clears alarm settings all at once.
1. Press WIND, making sure wind speed is displayed.
2. Press 2ND then press and hold CLEAR for at least six seconds.
3. Release CLEAR when “CLEARING NOW” displays at the bottom of the
screen.