Warning

To avoid personal injury and/or damage to the detector, use only BW recommended alkaline batteries. Refer to Specifications Change the alkaline batteries only in safe area that is free of hazardous gas

1. Press and hold to deactivate the detector

2. Loosen the retaining screw if required. Remove the alkaline battery pack. Refer to steps #2.-3. in Replacing the Lithium Battery.

3. Unhook the ejector bar from the release clasp. Pull the tab on the ejector bar up and then move the ejector bar left and right to release the batteries. Remove the spent batteries.

4. Push the ejector bar down until the release clasp engages.
5. Insert the new batteries. Position the positive end of the battery at a 30