Datalogic Matrix 300

MATRIX 300™ REFERENCE MANUAL
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7
7.5.9 Direct Part Marking Applications
Decoding Method: Direct Marking
For Data Matrix codes the Decoding Method parameter selects the decoding algorithm
according to the printing/marking technique used to create the symbol and on the overall
printing/marking quality. The Direct Marking selection improves the decode rate for low
quality Direct Part Mark codes and in general for Direct Part Mark codes with dot peening
type module shapes.
All the previous examples are successfully read selecting the Direct Marking Decoding
Method.
Washed out and Axial
Distortion
Dot Peening On
Scratched Surface
Low Contrast
Problem
Background
Problems
Marked On Curved
Shiny Surface
Axial
distortion
Half moon effects
Shiny surface,
noisy background
Low contrast,
noisy background