How do I install the batteries in the CO alarm?
The Airam 7126612 uses 3 AA alkaline batteries (1.5V each). Place the batteries in the battery compartment according to the installation chart, ensuring the positive and negative poles are correctly aligned. When properly installed and powered on, the LCD display shows 'EN' and the alarm will give a startup signal indicating proper operation.
From the official Airam 7126612 Carbon Monoxide Alarm Detector manual, page 1
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