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V2 stands for matrix geometry definition in Cartesian coordinates with origin in the center of matrix, positive x axis along ascending column number, y - along descending row number.

If V2 is omitted, natural mapping of matrix to Cartesian coordinates is applied with origin in pixel (0,0), positive x axis along ascending row number, y - along ascending column number.

References

• Rayonix MX170-HS (specifications pdf) 170x170 mm²
• Rayonix MX340-HS (specifications pdf) 340x340 mm²