Instruction manual
MATRIX-2000™ REFERENCE MANUAL 
8 
8.4.7  Direct Part Marking Applications 
Decoding Method: Direct Marking 
For Data Matrix and QR code 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. 
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
All the previous examples are successfully read selecting the Direct Marking Decoding 
Method. 
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