Installation Manual

B1-MT300MIX

UP key: No function

DOWN key: No function

OK key: No function

Menu key: The system returns to the setting

interface when this key is pressed

Interface and Operation Instructions Upon O

Concentration Calibration Failure

UP key: Press this button to add the value by

0.1% and press and hold this button to add the

value by 0.1% continuously

DOWN key: Press this button to reduce the

value by 0.1% and press and hold this button to

reduce the value by 0.1% continuously

OK key: The system does not save the

calibration value and directly returns to the

setting interface when this key is pressed

Menu key: The system does not save the

calibration value and directly returns to the

setting interface when this key is pressed

Interface and Operation Instructions Upon Successful O

Concentration Calibration

UP key: Press this button to add the value by

0.1% and press and hold this button to add the

value by 0.1% continuously

DOWN key: Press this button to reduce the

value by 0.1% and press and hold this button to

reduce the value by 0.1% continuously

OK key: The system saves the calibration

value and returns to the setting interface when

this key is pressed

Menu key: The system does not save the

calibration value and directly returns to the

setting interface when this key is pressed

Note:

1. O

concentration calibration setting range: From 0% to 21%;

2. Calibrate two points: 5% concentration and 21% concentration (air calibration);

3. 21% concentration has been calibrated before delivery and does not need to recalibrate. If

calibration is required, press and hold the Menu key for more than 5 seconds to enter the calibration

interface.

3.2.6 "2.SET CO2"

Select "2.SET CO2" on the setting interface, and then press the "OK" button to enter the CO

concentration calibration setting interface, as shown in the picture below: