Battery Replacement
1. Using a small slotted screw-
driver, insert into slot located on the side of the unit as shown and carefully pry the front of the unit up,
working your way around the edge
until the front is completely separated from the housing.
Note: Make sure that the small elastomer contact located inside the unit as shown does not fall out during the replacement process.
2. Turn the circuit board over, remove batteries from clip and replace.
3. Note: Verify that the battery polarity is correct when replac- ing. Batteries are stacked in series and polarity is indicated.
Reposition all parts and snap together.
Source: DEI Owners manual
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