ECOWITT WS3910 - Page 3

3.5.4 Alarm Setting Mode................................................................35
3.5.4.1 Alarm Function................................................................ 35
3.5.4.2 Snooze Function...............................................................36
3.5.5 MAC Address Display............................................................37
3.5.6 Built-in CO2 Sensor Calibration .............................................37
3.6 Historical Data Export and Clear ...................................................39
3.6.1 Export History Data................................................................ 39
3.6.2 Clear History Data .................................................................. 40
3.7 Firmware Upgrade......................................................................... 41
4. Optional Sensors .................................................................................. 42
4.1 Sensors ........................................................................................... 42
4.1.1 Sensor Data Can be Displayed on the WS3900/WS3910 ...... 43
4.1.2 Sensor Data Can Only be Uploaded to the Cloud...................44
4.2 IoT Device ..................................................................................... 45
4.3 Calibrate the WH46/WH45 Sensor ................................................46
5. Others...................................................................................................47
5.1 Lightning Distance Unit .................................................................47
6. Specifications.......................................................................................49
7. Warranty and Statement .......................................................................51
7.1 Warranty ........................................................................................ 51
8. Care and Maintenance..........................................................................52
9. Contact Us ............................................................................................53
9.1 After-sales Service......................................................................... 53
9.2 Stay in Touch ................................................................................. 53