Rain Master RME EAGLE EG Series, Руководство пользователя

Страница: 80 / 132

7.0 ET KEY OPERATIONS Rain Master Eagle User Manual
- 74 -
7.0 ET KEY OPERATIONS
The chapter will provide detailed instructions in the use of the ET function key. The chapter will
cover the entry, modification and review of the various parameters.
For details on the definition, processes, and procedures for the effective use of
Evapotranspiration in irrigation control systems, please refer to Chapter 8 ET
Programming.
ET
Usage : Press the ET key to enable and configure the Rain Master Eagle controller for
Evapotranspiration (ET) water conservation operations. Each ET key press will cycle through the
various options of this function key.
If you wish to terminate the ET entry at any point, press the QUIT key to return to the Automatic
mode.
7.1 ET DATA SOURCE DISPLAY
The controller will display the Evapotranspiration (ET) stored data value, which will be used in
today’s station runtime calculations. The ET Data Source Display is an information only display
and can not be altered by operator entry.
When the ET key is depressed any one of four ET displays will appear, depending on the source
ET device which is currently in use. The four possibilities are Historical, Manually Entered,
Weather Station, and Internet provided data.
Historical Data:
ET - H . 13
Manually Entered:
ET - M . 18
Weather Station:
ET - D . 15
Internet Interface:
ET - I .22
7.1.1 Historical Data
The controller will display the daily Historical ET value (measured in inches) in the ET Data
Source Display. The daily Historical ET data value is obtained from the monthly historical data
stored in the controller. The display will indicate the daily historical value to be used in today’s
runtime calculations.
EXAMPLE : Display the daily Historical ET value.
Press:
ET
Until display indicates:
ET - H . 13
Press:
QUIT
The controller will return to the Automatic Mode.