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Operating Instructions
Power Button
Connect the unit to a suitable power supply, then touch the Power Button.
The unit will switch on with a notification sound and begin operation in Auto mode. The Air
Quality Indicator will flash for about 30 seconds while the Air Quality Sensor starts up.
The unit will then indicate the detected indoor air quality level through the PM2.5 level on the
digital display and the Air Quality Indicator’s colour.
Digital Display
Air Quality Indicator Colour
Indoor Air Quality Level
0-35
Blue
Excellent
36-75
Green
Good
76-150
Yellow
Average
150+
Red
Poor
9
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