Calibration eliminates image flaws (such as vertical bars, phantom images, grainy field of view, etc.) by equalizing the microbolometer background temperature.
There are three calibration modes: manual (M), semi-automatic (SA) and automatic (А).
Select the desired mode in the menu option Calibration Mode 
.
Mode М (manual)
- Close the lens cover.
- Press briefly the ON/OFF (1) button.
- Open the lens cover.
Mode SA (semi-automatic)
- Press briefly the ON/OFF (1) button to calibrate.
- You do not need to close the lens cover (the microbolometer is closed with the internal shutter automatically).
Mode А (automatic)
- The device calibrates by itself according to the firmware algorithm.
- You do not need to close the lens cover (the microbolometer is closed with the internal shutter automatically).
- In the automatic mode, the user can calibrate the microbolometer with the ON/OFF (1) (in the SA mode) button.
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