32
2. Use a high-precision standard device, after fully warming up, follow the calibration guide in the interface and click the
"Start" button to start the calibration.
3. According to the reference calibration point provided on the interface, select the appropriate standard value, and enter
it.
4. Click the "Finish" button to send the calibration data to the module to complete the calibration.
Click the "Restore" button at the bottom of the calibration interface to restore to the factory calibration data of the
device. Click the “Cancel zero" button to clear the zeroed data of the current signal.
4.4 Services
4.4.1 Maintenance
This function is only open for manufacturer.
4.4.2 Restore to factory
Enter the password for this function, default password is 123456.
◆
Restore to the factory default settings, will not restore the system calibration data.
4.4.3 Running information
To view the device running information. It includes the barometric reading, current battery voltage and electric module
information.
4.4.4 System upgrade
Users can upgrade the device firmware via the USB-C.