User Manual

6
1.4 THE DISPLAY UNIT
Indicates blinking
Symbols Designation
MEM_FULL
Memory full
1D
Surveillance of the level of CO
2
3D
Surveillance of crossing of CO
2
, temperature, and humidity comfort zone thresholds
MAX
Maximum value
MIN
Minimum value
ECO
Energy-saving operating mode
P_REC
Programmed recording Blinking: waiting to start recording
Steady: recording
M_REC
Manual recording
HOLD
Hold of the display
MIN MAX
MIN MAX function: detection of minimum and maximum values
ppm
Unit of concentration of CO
2
in the air in parts per million
Buzzer active
Bluetooth Blinking: waiting for connection
Steady: connected
Blinking: Batteries low
Steady: Indicator of external power supply by connection of the mains adapter or of the USB
connection.
Overshoot of high threshold
Overshoot of low threshold
Indication of air quality and of the temperature/humidity zone of comfort
Display of the level
of CO
2
Display of the
relative humidity
Display of the
temperature