12
CONNECTING THE BATTERY OPTIONAL
Connect a 9-volt alkaline battery (not included) to the battery
terminals and place in the battery compartment in the front
panel. The battery allows the user to program the controller
without AC power. Watering will not occur without AC power.
Since this controller has non-volatile memory, the program clock
and calendar will be retained during a power outage even if no
battery is installed.
Activating the V Lithium Battery
After installing your Pro-C, make sure to remove the battery
contact insulator to allow the Pro-C to keep time in the event
of a power outage.
Replacing the V Lithium Battery
NOTE: Warning: Risk of re, explosion,
and electric shock. Replace battery
with CR type only. Use of a
dierent battery has potential risk for
re, explosion, and electric shock. See
owner’s manual for instructions.
NOTE: When installing V lithium
battery, ensure the positive (+) side is
facing up.
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