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Operation
EGM-4 Operator's Manual – Version 4.19
- 18 -
Where:
C2000
Corresponds to the last calibration gas concentration. After DEFAULT, it is
the original range specified by the end user.
5V=2000
Range of the voltage signal corresponding to the CO
2
concentration.
PROBETYPE 8
Refers to the probe/sensor connected to the EGM-4. For a list of probe
types, see
Environmental Sensor Inputs (I/O Ports)
on page 12.
R150
Number of records stored in memory.
If the EGM-4 is being used as a porometer (i.e. PMR-5), the following will be displayed:
Where:
C2000
Corresponds to the last calibration gas concentration. After DEFAULT, it is
the original range specified by the end user.
5V=2000
Range of the voltage signal corresponding to the CO
2
concentration.
POROMETER
Refers to the PMR-5.
R150
Number of records stored in memory.
After all system checks have been performed and the system achieves warm-up, the EGM-4
Main Menu is displayed as follows:
Note.
If the instrument was just powered up, the display will show “WARM UP DELAY
TEMPERATURE = XX” until the instrument achieves its warm up
temperature of 50 ˚C prior
to the Main Menu.
While in Measurement Mode, the following key presses can be performed:
Key
To:
Z/0
Perform a manual Zero.
Y/R
Record a measurement and place it in memory.
8/X
Changes to a different display (See section
N
Return to the Main Menu.
Refer to the following sections for more information on menus and displays.
1REC 2SET 3CAL
4DMP 5CLR 6CLK
C2000 5V=2000
POROMETER R150