Operation
15
Normal Operating Characteristics
When you first power up the unit, the alarm will sound
briefly to let you know the unit is receiving power and
that the alarm circuit is functioning.
You should see three eights on the digital display,
indicating the alarm is in the start-up mode. The three eights
will remain for approximately 20 seconds. You should see a
blinking red dot to the lower right of the digital display. The
blinking dot shows that the alarm is operating.
Within 20 seconds, your CO alarm will start monitoring for CO.
The number indicates a measurement of carbon monoxide in
parts per million (PPM). Note: The number will probably be
zero (0). This is a normal condition for most households and
shows that no measurable amount of CO has been detected.
The alarm has begun monitoring the air for carbon monoxide
and will continue to do so as long as it receives power.
Testing
Testing the Electronics
Caution: Continuous exposure to the loud 85 decibel (db)
alarm at close range over an extended period of time may
cause hearing loss.We recommend that you cover the
sound holes while testing the alarm.
You should test the alarm once a week, following the
directions listed below. If at any time you test the alarm
and it does not perform as described below, have it
replaced immediately. Turn to Page 17 “How to know if
your alarm is malfunctioning” for a description of the
characteristics of a malfunctioning alarm and what you
should do if a malfunction occurs.
Blinking Dot
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