Display
Function
Air quality / humidity (11)
Short touch switches between display of air quality and display of
relative humidity.
Air quality
Color display
Green
Yellow
Orange
Red
Red
Red
From a particle measured value greater than 99 μg/m³, the display
shows "Hi".
Humidity
The display shows the relative humidity in percent. The LED band conti-
nues to signal the air quality if this function is set (see LED colors (12)).
LED band (9)
Is switched on or off by a short touch.
Set the desired brightness:
• Touch the LED strip button (9) and hold for approx. 3 seconds until the
LED strip button (9) and the air quality indicator (11) flash. The
buttons (6) change the brightness in 8 levels.
• Touch the LED strip button (9) again and hold for approx. 3 seconds
until it lights up constantly again.
LED colors (12)
Can be selected by briefly touching the icon.
Retrieve the current air quality in the room (air quality):
On: Touch and hold the LED colors button (12) for 3 seconds. The word
"air quality" in the air quality display (11) lights up constantly. The LED
band provides color information about the current air quality in the
room. For the color description and its exact meaning, please refer to
the table in the "Air quality" section.
Off: Briefly touch the LED colors button (12) again. The "air quality"
lettering in the air quality and humidity display (11) goes out. The LED
strip lights up in the selected color.
μg/m³ PM2.5 AQI US
0-12
0-50
12.1-35.4
51-100
35.5-55.4
101-150
55.5-150.4
151-200
150.5-250.4
201-300
≥ 250.5
301-500
Meaning
Good
Moderate
Unhealthy for sensitive
persons
Unhealthy
Very unhealthy
Dangerous
and
EN
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