Start Up; Installing And Changing Batteries; Installing Batteries - HomeMatic HM-PBI-4-FM Installation And Operating Manual

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Start up

7.1 Installing and changing batteries

7.1.1 Installing batteries

Remove the housing cover by carefully pushing the
tabs on the housing cover inward (arrows).
Insert the provided Lithium battery (CR 2032),
with correct polarity in accordance with the polarity
markings in the battery cabinet (E) (positive pole at
top).
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