When the measured PM 2.5 / CO
high / low alert level, the related
to remind you.
To use the sound alarm (for high alert)
•
Press the
alarm is on, the
middle of the display.
•
When the measured PM 2.5, CO
high alert level, both the
beep sound will be given continuously. The beep sound will
accelerate when the measured PM 2.5, CO
exceeds more over the set alert level.
If this happens, please open the windows, adjust the air
ventilation and avoid too many people gathering together to
improve the air quality of your environment.
•
Press the
remains flashing if the PM 2.5, CO
the set high alert.
/ TVOC / RH% reaches the set
2
or
button once to turn on the alarm. When the
icon appears under the CO
and
button once to disable the voice alarm.
EN9
icon appears and flashes
or TVOC reaches the set
2
icons flash and an audible
or or TVOC level
2
or TVOC level exceeds
2
reading in the
2