Setup Guide

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3. Insert two 1.5V AA batteries.
The LED indicator will turn on for four
seconds and normally flash once every 79
seconds (the sensor transmission update
period).
Note: If no LED lights up or stays lit
permanently, make sure the batteries are
inserted the correct way or a proper reset
happens. Do not install the batteries backwards.
You can permanently damage the sensor.
4. Close the battery door.
3.2 LED Indicator
Flash (each): Indicates one packet of RF data
from a sensor was received or one lightning
strike was detected.