Amprobe CO2-200 CO2-Meter - Manual (Page 14)

8
3. Users can also calibrate either point. To calibrate
33% only, press “CAL/ESC” to exit when 33%
calibration is completed. To calibrate 75% only,
press “p/DP/WB“ or “MNX/AVG/q” within 5
minutes while initializing 33% calibration. And it
skips 33% and enters 75% calibration.
USB Interface Capabilities
The USB cable and software (optional kit) are required
to transfer data to a PC. Install the USB driver in the
software first before connection. And the connecting
protocol is 9600 bps, 8 data bits, no parity.