OPERATION INSTRUCTIONS
Power On
Press Power button (1) to turn on the monitor after placing 4 AA batteries
into the battery compartment (take care to observe correct polarity) or AC
adapter plug into the DC socket. CO
2
readings will show after 15 seconds of
warm up.
WarmUp
This lasts approximately 1 min before WARMUP disappears; none of the
functions will respond during warm up.
Normal Operation
After warm up, the monitor stabilizes and displays CO
2
readings on its Upper
Display which remain visible at all times.
Temp and Ventilation Rates (Lower Display)
Use the Up/Down button to scroll through Temperature and Ventilation
Modes.
When pressing the Up button, the lower display goes through the following
sequence:
Temp °C-> Temp°F-> Vent Rates lps-> Vent Rate cfm/p
*Note: lps refers to Litres Per Second Per Person;
cfm/p refers to Cubic Feet Per Minute Per Person
This function assumes that each person exhales 300 cc of CO
2
every minute
and calculates the rate of ventilation of external air required to achieve
equilibrium at the measured CO
2
level.
