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MODEL 4120SB ONLY—
USING THE SILENCE FEATURE
The Silence feature on this unit can temporarily quiet
an unwanted alarm for several minutes.
The Silence feature does not disable the unit—it
makes it temporarily less sensitive to smoke.
For your safety, if smoke around the unit is dense
enough to suggest a potentially dangerous
situation, the unit will stay in alarm or may re-
alarm quickly. If you do not know the source of
the smoke, do not assume it is an unwanted
alarm. Not responding to a fire can result in
property loss, injury, or death.
While the unit is in the “silence mode,” the test button
will not operate. The Alarm cannot be tested while in
the silence mode.
To silence Smoke Alarms
in an interconnected series:
1. To silence multiple alarms in an interconnected
series, you must press the silence button on the
unit(s) that triggered the alarm.
NOTE: The red light under the silence button on the
initiating alarm will flash rapidly. The red light will be
off on all other Smoke Alarms.
2. Once you activate the Silence feature, you will
hear a reminder “chirp” on the initiating alarm
about once a minute (for up to 15 minutes).
3. While the units are in the “silence mode,” the test
buttons will not operate. The alarms cannot be
tested while in the silence mode.
4. The “chirping” on the initiating alarm will stop
once the unit returns to normal operation.
The Silence feature on these units can temporarily
quiet an unwanted alarm for up to 15 minutes. To use
this feature, press the “Push to Silence” button on the
cover. Once you activate it, you will hear a reminder
“chirp” about once a minute (for up to 15 minutes)
and the Test feature is temporarily disabled. The
“chirping” will stop once the unit returns to normal
operation. If the unit will not silence and no heavy
smoke is present, or if it stays in silence mode
continuously, it should be replaced immediately.