Main
interface
10
Function
Description
Before calibration, run this device for at least 20 minutes with windows open or in
outdoor environment with portable battery source to reach an atmosphere with
400ppm CO2. Wait till the CO2 reading is stable, follow above steps for calibration.
After calibration leave it 10 minutes before normal use.
Press for 3 seconds
Press
Press
Press
Press
(CO2 Level display)
(Temperature display)
Press to exit
hear buzzer sound
CALI
ºC / ºF
Press /
Press /
Use this function to toggle between Celsius ( C ) & Fahrenheit ( F ) for the
temperature display.
O
O
