iGrow 800 - Location Setup for Sunrise and Sunset options
To obtain the precise Sunrise and Sunset times go to “Heavens-Above”.
http://www.heavens-above.com/SelectLocation.aspx
Location setup menu can be found under system setup menu,
So from the home screen hit OK->System Setup->Location Setup
Buttons 5, 6 ,7 can be used to go to the corresponding options.
EDIT LATITUDE: Allows the user to edit the latitude value.
“-“: Means South
“+“: Means North
EDIT LONGITUDE: Allows the user to edit the longitude value.
“-”: Means West
“+”: Means East
Note: If no sign is indicated it means +
Valid Location SetUp: If set to False, indicates that the latitude and longitude values are incorrect and should be ignored. If set to true indicates that the coordinates are valid/correct and can be used for sunrise and sunset time calculations.
Sunrise Sunset Times Note: When you select Sunrise or Sunset It does not mean that the Start is exactly at the sunrise time, or the End at exactly at the sunset times. You can select any time window. What it means is that the daily adjustment is per the change in the sunrise and sunset time amounts. When the days get longer, the sunrise rise time will be earlier each day and the sunset time will be later.
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