8 EN
Switching the display indicator
Note: The appliance displays IAI level by default.
•
Touch the button to switch display indicator among PM2.5 /Gas /IAI (g n & g o & g p).
With the light sensor, the control panel can automatically turn on, turn o or dim according to the
ambient light. The control panel will be o or dim when the ambient light is dark. You can touch any
button to wake up all lights. Then, if no further operation, all lights will be o or dim again to match
with the ambient light (g q).
You can touch and hold the button for 3 seconds manually to turn o all lights and the control
panel. Touch any button to wake up all lights (g r).
Setting the child lock
1 Touch and hold and button for 3 seconds to activate child lock (g s).
» displays on the screen, only and button light up.
» After 3 seconds, the screen goes back to normal display.
2 Touch and hold and button for 3 seconds again to deactivate child lock (g t).
» displays on the screen for 3 seconds and goes back to normal display.
» All buttons light up.
•
Touch the button to check the lter service life status (g u).
» The percentage of remaining service life of the lter displays on the screen.
Icon color
Blue Optimal service life 16-100
Blue-purple Good service life 9-15
Purple-red Service life almost reaches the end 4-8
Red Service life ends, replace the lter 0-3
Note: The appliance goes back to normal display if no operations after 3 seconds.
5 Cleaning and maintenance
Note:
•
Always unplug the appliance before you clean it.
•
Never immerse the appliance in water or any other liquid.
•
Never use abrasive, aggressive, or ammable cleaning agents such as bleach or alcohol to clean any
part of the appliance.
•
Never use any liquids (including water) to clean the lter.
•
Do not attempt to clean the particle sensor and gas sensor with a vacuum cleaner.
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