Installation Guide

B1-MT400
Operation Instructions of Buttons:
Key 1- "+" key: Press this button to add the calibration value;
Key 2- "-" key: Press this button to reduce the calibration value;
Key 3- "OK" key: When you press the button, the device will perform calibration and the system will
automatically save parameters and return to the setting interface;
Key 4 - "EXIT" key: When you press the button, the system directly returns to the setting interface.
Note: Only single point humidity calibration is available.
3.7.5 "4.SET O2"
Note: This option is used for oxygen concentration calibration;
Select "4.SET O2" on the setting menu, and then press the "OK" button (Key 3) to enter the setting
interface. As shown in the following figure:
Operation Instructions of Buttons:
Key 1- "+" key: Press this button to modify the calibration value (supporting calibration of two points: 0%
and 21%);
Key 2- "-" key: Press this button to modify the calibration value (supporting calibration of two points: 0%
and 21%);