Other Functions - ADE WS 1908 Manual De Instrucciones

Other functions

Selecting the time format
− Briefly press the key .
If the display shows "AM" or "PM", the 12-hour
format is set.
Illuminating the display
46
Room air quality is poor
1001~3001 ppm
Room air quality is very poor
> 3001 ppm
The display remains continually lit
when powered via USB.