Vaisala Indigo 202, User Manual

Page: 48 / 76

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 CARBOCAP
â
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.
1
Figure 22 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.
Always close the calibration mode to return the probe and Indigo to normal operating
mode. The measurement performance of the probe can be affected when used in
calibration mode. You must close the calibration mode with the
Stop calibration button
also when no changes are made.
Indigo 202 User Guide M211966EN-A
46