Carrier KN-COPP-3-RC User Manual page 5

Quick Set Up Guide
Step 5
If the battery pack has a full charge when first powered up, you will
see three eights in the digital display indicating the alarm is warming
up. After approximately 20 seconds, the first reading will be dis-
played. The number on the display should be "0". If the battery pack
is partially charged,"Lb"(Low battery) will flash every second alternat-
ing with a "0" until the battery is charged. If this occurs, see page 13
for complete information.
Step 6
Make sure the red dot in the digital display is blinking. Test the unit's
operation by pressing and releasing the Test/ Reset button. Within
15 seconds you will hear 4 quick "chirps" - followed by 5 seconds of
silence - followed by 4 quick "chirps".
While testing the alarm, have someone else check that the alarm
can be heard easily from the sleeping areas. For complete testing
information, refer to page 16.
Caution: Continuous exposure to the loud 85 decibel alarm at close
range over an extended period of time may cause hearing loss.
Your Carrier CO alarm is now monitoring for the presence of carbon
monoxide.
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