Quell QM10 Manual page 10

Operation
NOTE: When the units chirp once every 40 seconds, you can
press the test button temporarily for pausing this warning
tone for 10 hours，it can still normally detect smoke during
this period, it only removes nuisance warning tone. You can
refer to "Trouble shooting" for solution, if there are still
failures, you MUST replace it with a new alarm at once or contact
your retailer during warranty.
Alarm silence(silence mode)
The silent feature has the capability of temporarily
desensitising the alarm circuit for approximately 10 minutes.
The red LED will flash once every 8 seconds, it indicates the
smoke alarm device is running into the silence mode. Smoke
alarm devices are designed to minimize nuisance alarms.
Combustion particles from cooking may set off the alarm if
the alarm is located close to the cooking area. Large
quantities of combustible particles are generated from spills
or when grilling/ frying. Using the fan on a range hood that
vents to outside(non-recirculating type) will also help remove
these combustible particles from the kitchen.
The alarm silence (test button) is extremely useful in a
kitchen area or other areas prone to nuisance alarms.The
silence feature is to be used only when a known alarm
condition, such as smoke from cooking activates the alarm.
The smoke alarm device is desensitised by pushing the alarm
silence(silence mode) on the smoke alarm device cover, the
alarm will silence to indicate that the alarm is in a temporarily
desensitised condition.
The smoke alarm device will automatically reset after
approximately10 minutes, if after this period, particles of
combustion are still present, the alarm will sound again.
The alarm silencer (silence mode) can be used repeatedly.
CAUTION: Before using the alarm silence, identify
the source of the smoke and be certain a safe condition exists.
DANGER: If the alarm sounds, and it is not being tested,it
means the unit is sensing smoke,THE SOUND OF THE ALARM
REQUIRES YOUR IMMEDIATE ATTENTION AND ACTION.
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