La Crosse Technology 308-807 - Manual (Page 10)

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Calibrate wind direction & install batteries:
Calibrating the wind direction after mounting the wind/thermohygro sensor allows flexibility in mounting
locations. Be sure batteries have been removed from the wind/thermohygro sensor before the calibration.
NOTE: The same calibration is required for the initial set up and for every battery replacement.

After mounting the wind/thermohygro sensor, loosen the screws on the battery door with a small
screwdriver and open the battery door.

Use the compass on the anemometer and turn the wind vane so it is pointing due north.

Hold the wind vane pointing due north and do not allow it to turn. Insert 2-AA batteries according
to the polarity indicated. The red LED indicator above the battery cover of the wind/thermohygro
sensor will flash few times right after battery installation. Be sure the vane is pointing due north.
When red LED flashes and the calibration is completed. Replace the battery cover and tighten the
screws.

NOTE: If the wind vane is not pointing due north when the red LED first flashes, remove batteries
and repeat the calibration. The wind/thermohygro sensor must be level during this calibration.

Go to the wireless display and enter SET UP mode. Scroll down to WIRELESS SENSOR
RECEPTION and select SEARCH NOW then exit.

Wind direction, wind speed, wind chill & channel-1 temperature/humidity readings will appear
within 2 minutes if the RF transmission is successful.

If the wind reading does not appear after 2 minutes of searching, the RF transmission has failed.

Shorten the distance between the monitor & wind meter and search for the sensor again. If the
RF transmission still failed, shorten the distance again and reset the wind meter by removing all
batteries from the wind meter and wait for 10 seconds before re-installing the batteries again.
Then repeat above steps until the RF communication is complete.
COMPASS