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Question About First Alert Smoke Alarm 9120B
how do you change the battery and shut the unit up...

how do you change the battery and shut the unit up??? changed battery. no indication of which way it goes in, and too late to look at the one I removed :) 3 beeps at a time. not happy. my hammer is about to be used.

Asked by Ellen on 01/18/2012 1  Answer

ManualsOnline posted an answer 12 years, 10 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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