ISM Installation, Programming & Operation Guide
Page 7
Sprinkler Timer Basics
Programming Under Battery Power
If you wish, you can program the timer under
battery power. This feature can be useful if
the timer is installed in an area that is not
readily accessible. This feature also allows
you to enter program information before
installing the timer.
To program the ISM sprinkler timer under
battery power, you must first install the
battery.
NOTE: To save battery power, the ISM
goes into “sleep” mode after a
period of inactivity on the program-
ming dial or buttons. Press any
button once to reactivate the timer.
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