Fine offset HP2550 - Install the Rain Gauge Funnel; Install Batteries in Sensor Package

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Figure 6: Wind speed cup installation diagram
5.3.4 Install the Rain Gauge Funnel
Rotate clockwise to attach the funnel to the sensor array.
Figure 7: Rain Gauge Funnel installation diagram
5.3.5 Install Batteries in sensor package
Open the battery compartment and insert 2 AA batteries in the battery
compartment. The LED indicator on the back of the sensor package will turn
on for 4 seconds and then flash once every 16 seconds indicating sensor data
transmission.