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Chapter
4
ONLINE HELP SOPAS
LECTOR®620
24
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Stored images
The value can be used to evaluate the reading reliability (reserve) in relation to the image
resolution. The higher the value, the more reliable the reading. A value of at least 2/2, is
recommended, i.e. every code element is represented by at least 2/2 pixels.
By comparing the two values, you may be able to detect a distortion of the image or of the
code.
• The module width is the dimension of the smallest code element (bar of a bar code or dot
in a data matrix code) in pixels.
• The module height is the length of a bar of a bar code or the height of a dot in the data
matrix code.