Omron V430-F-series User Manual page 321

Database Mode
Region of Interest (ROI) by ESP
When Image Dimensions is set to Region of Interest, the database image dimension
parameters are IP and decode settings, and they determine the region or area of the
captured image to be processed.
Morphology Operation, Morphology Size, and Symbol Type are
Processing Settings values.
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Auto Focus Multi Code Reader V430-series User's Manual (Z392)