• Diagnostics: this tab contains information about the status of the measurement and
the probe, and shows the current environmental compensation configuration.
• Measurements: this tab shows the current probe measurement in numeric format (use
this view, for example, when you need to follow measurement stablization in a
reference environment without leaving the Calibration menu).
Before adjusting a probe's measurement, make sure that you have
familiarized yourself with the probe-specific calibration requirements such as possible
adjustment limits and environmental compensation interdependencies. See the probe's
documentation set for probe-specific information.
CAUTION!
The range of available options for certain parameters (for example, environmental
compensations and the number of adjustment points) varies depending on the features of
the connected probe.
The menu examples presented here show the calibration options for Vaisala CARBOCAPâ
Carbon Dioxide Probe GMP252 (ppmCO
2
measurement).
7.1.1 Starting and Closing Calibration Mode
In order to be able to use the calibration options, you must switch the operation of the probe
and Indigo to calibration mode with the Start calibration button.
Figure 27 Start Calibration Button
1 Start calibration button on the Calibration tab
When you start the calibration mode, the Start calibration button is replaced with the Stop
calibration button. The calibration mode remains active until you close it by selecting Stop
calibration.
You can use other menus while the calibration mode is active, and return to the Calibration
menu later to complete your adjustments.
Indigo 201 User Guide M211877EN-E
54
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