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Replacing
The unit’s memory backup battery has an expected life of
the memory
approximately five years under normal conditions
backup
(temperature extremes can shorten the life of the battery).
battery
Replace the memory backup battery every five years or
whenever the following display appears.
Replace main memory back-up
battery.
Please read the operation
nanual for directions.
us
Do not try to replace the memory backup battery if the
operating batteries are weak. Doing so may result in the
loss of all data in the unit. If necessary, replace the
operating batteries before replacing the memory backup
battery.
1.
Turn off the unit.
2. Set the battery replacement switch on the back of the unit
to “REPLACE BATTERIES” (a red dot will be visible).
3. Remove the screw holding
cover in place.
the memory backup battery
4. Remove the memory backup cover.
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