PCE Health and Fitness CMM 10 Quick Start Manual page 2

IV. Structure
① Case
② LCD screen
③ USB port
④ Functional buttons
V. Symbols
No. Indication
1 Audio alarm ON/OFF
2 STEL/TWA/MAX/MIN/AVG modes
3 CO2 calibration
4 Timing shutdown
5 Battery status
6 Exit calibration
7 CO2 concentration
8 CO2 concentration grading emoticon
9 Relative humidity
10 Date/time
11 Temperature
12 Data hold