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Step 3: Testing the Alarm
The test button has four purposes. It tests the unit’s elec-
tronics, resets the alarm, activates the Hush® feature, and
activates the peak level memory.
CAUTION: Due to the loudness (85 decibels) of the
alarm, always stand an arms length away from the
unit when testing.
• To test: Press and release the test/reset button and a
series of beeps will sound, followed by the message
“Fire! Fire!”, then another two series of beeps and the
message “Warning! Carbon Monoxide”, followed by
4 additional short beeps.
• Reset: If the the Smoke/CO Alarm is sounding a CO
alarm, pressing the test/reset button will silence the
alarm. If the CO condition that caused the alert
continues, the alarm will reactivate. Reactivation times
depend on the amount of CO present. See page 21.
• Hush
®
: If the Smoke/CO Alarm is sounding a Smoke
alarm, pressing the test/reset button will temporarily
silence the alarm. If the smoke level continues to build,
the alarm will reactivate. See Step 4: Hush
®
Control
Feature.
• Peak Level Memory: If 8 chirps are made when
pushing the test/reset button, the unit has detected
a CO level of 100 PPM or greater.
Weekly testing is required! If at anytime it does not per-
form as described, verify the three batteries are installed
correctly and that they don’t need replacing. Clean dust
and other buildup off the unit. If it still doesn’t operate
properly call the Consumer Hotline at 1-800-880-6788.
Step 4: Hush
®
Control Feature
The Hush
®
feature has the capability of temporarily desensi-
tizing the smoke alarm circuit for approximately 10 minutes.
Operating and Installation Instructions
16