Britec AIRPURE BP500-CO2 Mode D'emploi page 21

Press the FAN SPEED button to select between the level A-1-2-3-A (automatic). The fan speed icon
will display for 5 seconds (pic.5), and show the PM2.5 value.
If you want to deactivate the wiping sensor (pic.2), press and hold the FAN SPEED button for 10
seconds (pic.6). To reactivate the wiping sensor, repeat the process.
When the appliance is in a dark environment, it will enter into the sleep mode automatically after 1
minute. When the environment is bright again, the sleep mode will be deactivated after one minute.
Pic.4
Base on the measured PM2.5 and VOC values, you can choose a suitable fan speed by using the
following tables or you can use the auto mode which regulates the performance level automatically:
1. PM2.5 value
0-75
Good
1
Green
Pic.5
76-150
Medium
2
Yellow
21
Pic.6
151-500
Bad
3
Red