30
EN
Changing the fan speed
There are several fan speeds
available.
When using the manual fan
speed settings, the purifier will still
monitor the air quality, but it will
not automatically adjust the fan
speed if it detects changes in the air
quality.
Sleep mode ( )
In sleep mode, the air purifier
operates quietly at a very low
speed.
•
Touch the fan speed button to
select the sleep mode.
»
The "
" displays on the
screen for 3 seconds and
then disappears.
»
The sleep mode indicator
goes on.
»
After 30 seconds, all the
icons are off, only the sleep
mode indicator goes on.
Manual
•
Touch the fan speed button
repeatedly to select the fan
speed you need (speed 1 or
speed 2):
»
After 3 seconds, the display
shows the previous mode.
Tip
• If the air quality light lights up blue,
it indicates that the air quality is
good, and you can select a lower
fan speed. On the other hand, if
the air quality light lights up red-
purple or red, it indicates that the
air quality is unhealthy, and you
can select a higher fan speed to
purify the air more quickly.
Summary of Contents for AC4072/18
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