
 
6 
 
Turning LED On / Off 
 
Air quality LEDs and consolidated air quality LED can be turned on or off. By 
default, the LEDs are turned on. 
 
To turn on / off the LEDs, press and hold the center button for 5 seconds. 
 
 
 
System Status LED will always be on (flashing or stayed on) when the unit 
is powered.