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Interval Schedule
Scheduling active days by Interval enables a program to operate on a specific routine such as, every other
day, or every fourth day, without regard to actual calendar days.
The Interval schedule consists of two programmable numbers: The Interval Reference and the Interval Day.
The Interval Reference number (01 – 29) determines how often an active watering day will occur. For
example, entering 01 equals watering every day, 02 equals every other day and so on up to 29 for watering
every 29th day. The Interval Day number (01 – 29 and Off) indicates when an active watering day will occur.
The Interval Day number automatically decreases by one at the day changeover. An active watering day will
occur when the Interval Day number is 01. As the day change occurs at the end of the active watering day,
the Interval Day number will automatically update to display the number of days until the next active
watering day.
During initial programming, the Interval Day number can be set at any point in the interval to establish the
position of the interval within the week or month. For example, you may select a 6-day interval (watering
every sixth day) but choose to start the interval tomorrow by entering an Interval Day number of 02. After
one day has elapsed, the interval will begin and the day will be active. At the end of the active day, the
Interval Day number will reset to 06, indicating six days until the next scheduled watering.
Note: The Interval Day number cannot be greater than the interval reference number. If attempted, the
Interval Day number will automatically be reduced to equal the the Interval Reference number when the
Enter/Start key is pressed.
To set an Interval schedule:
1. Press as needed to select the Program indicator.
2. Press to select the Active Days indicator.
3. Press or until the desired program number (1 – 16) is
flashing.
4. Press – The schedule type will begin flashing.
5. Press or until In (Interval) is flashing
6. Press –The Interval Reference digits will begin flashing.
7. Press or to select desired Interval Reference number
(01 – 29).
8. Press – Interval Day number will begin flashing.
9. Press or to select Interval Day (01 – 29).
Example Shown: Watering every third day (03),
starting tomorrow (02).
Note: To prevent automatic operation of this program, select Off
located between 00 and 29.
10. Press to enter information into controller memory.
11. Repeat steps 3 – 10 for each program requiring an Interval
schedule.
Note: Programming for automatic operation is now complete. When
an automatic program starts, the displays will alternate between the
time/day and program status. If two or more programs are operating
concurrently, the display will alternate to show status of each program.
ENTER
START
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Fr
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AM
Sta #
Sta Run Time
Pgm #
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Program No.
Schedule Type
(Interval)
Interval
Reference No.