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14
OPERATION
ENGLISH
PM Indicator Display
1. Press the Indicator button to check the density of PM10/PM2.5/PM1.0.
• Pressing the button repeatedly toggles through to check the density of PM10 → PM2.5 →
PM1.0 in turn. The selected density displays for 10 seconds before the display reverts to the
highest measured PM (particulate matter) level.
2. Check the dust particle size LED indicators.
• PM density is displayed based on the dust density result with the highest contamination
level.
For example, if PM10 density is 100 (normal), PM2.5 is 50 (bad), and PM1.0 is 30 (normal),
the value for PM2.5 is displayed for PM density.
Air Quality Indicator Light
Overall indoor air quality is displayed as one of four colors depending on the contamination level
of PM10, PM2.5, PM1.0, and odors.
(contaminated) red → orange → yellow → green (clean)
• The color that the air quality indicator light displays is based on the worst level among PM10,
PM2.5, PM1.0, and odor.
Reset(3sec.)
(3sec.)
Speed
Lighting Sleep Timer
Indicator
Indoor Air Quality Levels
h PM density ranges from 8 to 999 in increments of 1. PM density values follow the data
sheets provided by the sensor supplier.
Overall
air quality
Red
Orange
Yellow
Green
Status
Dust density (unit
μ
g/m
3
)
Odor density
PM 10 PM 2.5 PM 1.0 Odor
Very Bad
Equal or above 255
Equal or above 56 Equal or above 56
Strong
Weak
Bad 155~254 36~55 36~55
Normal 55~154 13~35 13~35
Good 0~54 0~12 0~12
↕
1,MFL68181332,영영 2018. 2. 7. 영영 2:11 Page 14
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