EN8
To set high/low alert of CO
2
/ PM2.5 / TVOC / relative humidity
•
Press and hold the
button, the CO
2
display flashes.
Press the
or the
button to select PM 2.5 or CO
2
or TVOC or relative humidity display.
•
When CO
2
display is selected, press the
button once,
digits “
400
” (default) flash and appears.
•
Press the
or the
button to adjust the low alert
level of CO
2
. Press once to /- 10 PPM each time.
Press and hold to accelerate setting in fast speed. Lowest alert
level is 400 PPM.
•
Press the
button once again, the CO
2
digits “
2000
”
(default) flash and
appears. Press the
or the
button to adjust the high alert level of CO
2
. Press once to
/- 10 PPM. Press and hold to accelerate setting in fast
speed. The highest CO
2
alert level is 5000 PPM.
•
Press the
button once again to confirm your settings (or
no button is pressed in approximate 10 seconds). Your air
quality monitor returns to the normal display.
•
Repeat the same of above by selecting another sensor to set
the high-low alert value :-
PM2.5
: +/- 5 ug/m
3
(default low alert 0 ug/m
3
, high alert 250
ug/m
3
, highest 550 ug/m
3
)
TVOC
: +/- 0.1 mg/m
3
(default low alert 0.2 mg/m
3
, high alert
7 mg/m
3
, highest 9.99 mg/m
3
)
Relative humidity
: +/- 1% (default low alert 35%, high alert
70%, highest 95%)
