12
TO VIEW 24 HOUR AVERAGE READING
Press
[MODE]
button to toggle between normal display and 24 hour average.
AIR QUALITY INDEX (AQI)
AQI Is a yardstick that runs from 0 to 500. The higher the AQI value, the greater the level of air pollution and greater
the health concern. This is determined by the PM2.5 or PM10 sensor’s air quality data.
AQI
Warning
General Health Effects
0~50
Good
Air quality is satisfactory, and air pollution poses little or no risk.
51~100
Moderate
Air quality is acceptable. However, there may be a risk for some people, particularly
those who are unusually sensitive to air pollution.
101~150
Poor
Members of sensitive groups may experience health effects. The general public is less
likely to be affected.
151~200
Unhealthy
Some members of the general public may experience health effects; members of
sensitive groups may experience more serious health effects.
201~300
Severe
Health alert: The risk of health effects is increased for everyone.
301~500
Hazardous
Health warning of emergency conditions: everyone is more likely to be affected.
AQI ALERT SETTING
AQI Alert can alert you the high AQI level based on instant AQI or 24 hour average AQI. Once the alert criterion is
met, the alarm sound will activate and the LCD’s alert icon will flash.
TO SET ALERT
1.
In normal mode, press
[ / CH ]
or
[ ]
to select the desired channel for setting AQI alert.
2.
Press and hold
[ ]
key to enter alert setting mode.
3.
Press
[ / CH ]
or
[ ]
key to adjust the alert value, press and hold the key for changing value rapidly. (Setting
range: 0~500, default 100)
4.
Press
[ ]
key to activate / deactivate the alert function.
5.
Press
[ ]
key to quit the alert setting mode.
NOTE:
In alert setting mode, the unit will automatically exit alert setting mode and return to normal mode if no button is
pressed in 30 seconds.
TO SILENCE THE ALERT ALARM
Press
[ SNOOZE / LIGHT ]
key to silence the alert alarm. After 1 minute, the alarm will turn off by itself.