Technical information

SYSTEM SETUP / CALIBRATION
3/31/2008 Rev. 4.3 5-2
ENTER to select Calibrate CO
2
ENTER to select Calibrate H
2
O
CALENDAR AND TIME SETUP
The purpose of these functions is to provide the user current information of local date and time. This
method can be extremely useful to further establish when measurement data are collected or saved, or
simply another form of time keeping. The factory-calibrated date and time are the default values.
ENTER to select Change clock
To change the date and time, scroll to choose “Change clock” under the “ENTER to select” function
(press the
key twice from the initial display). The time function will be the first selection. Begin
by using the
or keys followed by the or keys to adjust and move to the hour,
minute and second of choice. With the time function set, the date function will follow. Once again,
use the
or keys followed by the or keys to adjust and move to the month, day
and year of choice. Press the key to save your selection and continue. Note that at any point of
this setup, pressing the
key will suspend any further actions and return to the screen display
above.
LEAF/AIR TEMPERATURE SENSOR
Suggested Calibration Schedule: None.
This function sets the calibration values for a given leaf/air temperature sensor. The included
temperature sensor has been initially tested and calibrated by the manufacturer.
ENTER to select Calibrate Temp
No further calibration is allowed.
ATMOSPHERIC PRESSURE
The CI-340 pressure sensor is capable of measuring absolute atmospheric pressure. This value is used