AMX RADIA LIGHTING CONTROL ENCLOSURE WORKSHEET GUIDE Specifications Page 31

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5. Routine Operations
Rain Bird
®
ET Manager Series - Installation and Operation Manual 31
High Today: The day’s highest average wind
speed recorded broadcast since midnight.
Low Today: The day’s lowest average wind
speed recorded broadcast since midnight.
Graph: Press
À to view the graph. The
graph displays the recorded average wind
speed over the last two weeks.
Humidity
Main Menu Weather Info Humidity
Humidity values included in the weather signal are
recorded hourly averages. The following detail is dis-
played:
Current: Hourly average humidity percentage
from the latest recorded broadcast.
High Today: The day’s highest humidity
recorded broadcast since midnight.
Low Today: The day’s lowest humidity record-
ed broadcast since midnight.
Graph: Press
À to view a graph that repre-
sents the recorded humidity over the last two
weeks.
Note: If no weather data has been stored in the ET
Manager, each graph screen will be blank.
Irrigation Status
The most important information regarding the control
of your sprinkler system can be seen in the two
Moisture Level screens located in the Irrigation Status
menu. In the Irrigation Status menu, ET, and rain infor-
mation can also be viewed.
A (or B) Moisture Level
Moisture is depleted from the soil due to evaporation.
Rain and water from the sprinkler system replaces this
water. Your ET Manager uses this information to com-
pute the current moisture level. When the Moisture
Level reaches “0” watering is enabled and the sprinkler
controller is allowed to water. Zero does not mean the
soil is completely dry; zero means that the amount of
water allowed to be depleted has evaporated and it is
time to water.
There are three factors used to compute the Current
Moisture Level:
ET: Water evaporates and transpires from the
landscape based on current weather condi-
tions.
Effective Rain: Rain is measured using the
selected rain source. Accepted rainfall is limit-
ed by the Effective Rain settings.
Irrigation: Watering from your sprinkler sys-
tem.
The formula to calculate the Current Moisture Level is:
Current Moisture Level = Last Moisture Level – ET +
Effective Rain + Irrigation, where:
Last Moisture Level = Moisture Level from the
prior hour
ET = ET measurements adjusted by the
Landscape Adjustment percentage
Effective Rain = Limited due to programmed
Max Hourly Rain and Saturation Allowance
Irrigation = Irrigation Amount setting once
watering is detected
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