DAVIS 6152, Руководство пользователя, Страница: 31 / 60

Calibrating, Setting, and Clearing Variables
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2. Press and release 2ND, then press and hold SET.
After a moment, the variable you’ve selected begins to
blink. Keep holding SET until the Calibration Offset
message displays in the ticker.
The ticker displays the current calibration offset.
3. Press the+ and - keys to add or subtract from the temperature offset value.
Inside and outside temperature are calibrated in 0.1° F or 0.1° C increments,
up to a maximum offset of +12.7 (°F or °C) and a minimum offset of -12.8 (°F
or °C). The variable will change value and the ticker will show the offset
you’ve entered.
4. Press DONE to exit calibration.
Calibrate Wind Direction Reading
If the anemometer arm cannot be mounted pointing to true north, use this
procedure to correct the wind direction console reading.
1. Check the current direction of the wind vane on the anemometer. Compare it to
the wind direction reading on the console.
2. Press WIND as necessary to display the wind direction in degrees.
3. Press and release 2ND, then press and hold SET.
4. The wind direction variable will begin to blink.
5. Continue holding the key until the CAL message appears in the ticker. The
ticker displays the current wind direction calibration value.
6. Press the < and > keys to select digits in the anemometer’s current reading.
7. Press the + and - keys to add/subtract from the anemometer reading.
8. Repeat steps 6 and 7 until you have entered the offset value from Step 1.
9. Press DONE to exit calibration.
Calibrating Barometric Pressure
Before calibrating the barometric pressure, be sure the station is set to the correct
elevation. See “Screen 10: Elevation” on page 16 for more information.
1. Press BAR to select barometric pressure.
2. Press and release 2ND, then press and hold SET.
The pressure variable blinks.
3. Continue holding the key until the ticker reads “set barometer . . . ”.
4. Press the < and > keys to select digits in the variable.
5. Press + and - keys to add to or subtract from the digit’s value.
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.
2 ND
ALARM
SET