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4. OPERATION AND TESTING
OPERATION: The smoke alarm is operating once AC power is
applied, a fresh battery is installed and testing is complete. When
products of combustion are sensed, the unit sounds a loud 85db
pulsating alarm until the air is cleared.
HUSH CONTROL: The “HUSH” feature has the capability of tem-
porarily desensitizing the alarm circuit for approximately 8 minutes.
This feature is to be used only when a known alarm condition,
such as smoke from cooking activates the alarm. The smoke alarm
is desensitized by pushing the “HUSH” button on the smoke alarm
cover. If the smoke is not too dense, the alarm will silence immedi-
ately and the red LED will flash every 2 seconds for approximately
8 minutes. This indicates that the alarm is in a temporarily desensi-
tized condition. The smoke alarm will automatically reset after
approximately 8 minutes, and sound the alarm if smoke is still
present. The “HUSH” feature can be used repeatedly until the air
has been cleared of the condition causing the alarm. Pushing the
test/reset button on the alarm will end the hush period.
NOTE: DENSE SMOKE WILL OVERRIDE THE HUSH CONTROL
FEATURE AND SOUND A CONTINUOUS ALARM.
CAUTION: BEFORE USING THE ALARM HUSH FEATURE, IDEN-
TIFY THE SOURCE OF THE SMOKE AND BE CERTAIN A SAFE
CONDITION EXISTS.
LED INDICATORS: This smoke alarm is equipped with red and
green LED indicators. The red LED is located under the test button
and has several modes of operation. The green LED is located
under the “Hush” button and indicates the presence of AC power.
Standby Condition: The red LED will flash every 30-40
seconds to indicate that the smoke
alarm is operating properly. The green
LED will be steady on, indicating the
presence of AC power.
Alarm Condition: When the alarm senses products of
combustion and goes into alarm, the
r
ed LED will flash rapidly (once every
two seconds). The rapid flashing LED
and temporal alarm will continue until
the air is cleared.
Hush Condition: The red LED will flash every 2 seconds
as long as the alarm is in Hush mode.