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GrainPro
®
Carbon Dioxide Analyzer Instruction Manual
MA4068RAD0718 - 1
3.1. Power LED
The green LED lights up when the instrument is turned ON.
3.2. Sampling LED
The blue LED lights up when the instrument is in measurement
mode.
3.3. Alarm LED
The red LED lights up when the CO
2
concentration is above the set
alarm value.
NOTE: Alarm setting can be used for other applications requiring
≥80% CO2 level.
3.4.
“Up” Key
a) Menu Page:
Key is used to enter into the Sampling/Purging Mode.
b) Sampling Mode:
Key is used for selection or to shift the cursor.
c) Calibration Mode:
Key is used to increase the value of the digit where the cursor
is placed.
d) Settings Mode:
Key is where setting and Turn off are located. In Setting, this
Key is used to increase the value of the digit on which the
cursor is placed.
e) Download/Reset Mode:
In this mode, you can download/ erase data or check the
battery status. Press this key to download all the stored
data/records on your computer.
3.5.
“Down” Key
a) Menu Page:
Key is used to enter into the Calibration Mode.
b) Calibration Mode:
Key is used to shift the cursor.
c) Sampling Mode:
Key is used for selection or to shift the cursor.
d) Settings Mode:
Key is where setting and Turn off are located. In Setting, this
Key is used to shift the cursor.
e) Download/Reset Mode:
In this mode, you can download/ erase data, or check the
battery status. Press this key to delete all the stored data.
NOTE:
Selecting “Erase Data” will result in permanent loss of