Table of Content
Overview........................................ 2
Safety and maintenance ....................... 3
Appearance structure .......................... 4
Button functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Operating instructions ......................... 6
1. Power on/o ............................................ 6
2. Switch the temperature unit........................... 6
3. Turn on/o the alarm ................................... 6
4. Alarm value setting..................................... 6
5. View historical records ................................. 6
6. Setting interface operation............................ 7
7. View historical trend graph............................. 7
8. Generate a PDF le, connect to a computer,
and format a disk ......................................... 10
Specications................................. 12
Carbon dioxide concentration level ........... 13
Analysis of commonly seen troubles.......... 14
ENGLISH
ENGLISH
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