Airmega 250/250S

The air quality sensor is set to standard sensitivity when the product is shipped out. If the pollution level stays at the highest level after 2 hours of operation or remains at the lowest level for more than 1 hour when the air does not seem clean, users can adjust the sensitivity of the air quality sensor as follows.

*If not pressing the sensitivity enter button for more than 10 seconds, the sensitivity will automatically apply to the last sensitivity level setting and go back to its normal operation mode

1. While the product is operating, press the [Mode] button and the [Speed] button at the same time for more than 2 seconds. The speed indicator blinks to display the current sensor sensitivity level.
· Initial sensor sensitivity is at the normal level

2. Press the [Mode] button to adjust to the desired sensitivity.
The mode indicator blinks as shown below once sensor sensitivity has been selected.

3. Press the [Mode] button and the [Speed] button simultaneously for more than about 2 seconds, the selected sensitivity will be inputted, and the product will start operating normally.