4.
CALI Mode – Recalibrating the CO
2
sensor
4.1.
The monitor is pre-calibrated in the factory and should only be
recalibrated with a certified test gas in a controlled test chamber. This
mode should only be accessed by trained service personnel.
5.
DATA LOGGER Mode – Viewing data recorded over the previous 24
hours
The monitor’s internal Datalogger records CO
2
and temperature readings
every 30 minutes over the past 24 hours.
5.1.
Press Mode until DATALOGGER flashes
5.2.
Press Enter until CO
2
and Temperature are displayed
Press Up/Down to PAGE UP/DOWN readings
5.3.
Press Enter to return to UserMode
6.
MaxMin Mode – Viewing Maximum and Minimum values
The monitor’s MaxMin Mode displays the maximum and minimum CO
2
readings since the monitor was last switched on.
6.1.
Press Mode until MAX MIN flashes
6.2.
Press Enter to alternate between MAX and MIN CO
2
readings
6.3.
To clear the memory, press UP or DOWN until “CLR” flashes.
Press Enter to CLEAR the MAX and MIN record
6.4. Press Mode or Enter to return to UserMode
7.
rcFSMode
If the CO
2
sensor is incorrectly re-calibrated, the monitor’s factory setting
can be recovered.
7.1.
Press Mode until rcFS flashes on the lower display
7.2.
Press Enter until “no” shows on the upper display
7.3.
Press Up/Down to change to “yes”
Press Enter, Factory Setting will reload
7.4. Press Mode to return to UserMode