Calibration mode selection.
There are three calibration modes: manual, semi-automatic and automatic. The selected calibration mode is displayed in the status bar (see Status Bar section).
The software determines the need for calibration in automatic mode. The calibration process starts automatically.
A countdown timer will appear instead of the calibration icon when in automatic calibration mode with 3 seconds remaining until automatic calibration
The user independently determines the need for calibration (according to the image being observed).
Manual calibration. Close the lens cover before starting calibration.