Datalogic Matrix 320 Product Reference Manual page 34

RAPID CONFIGURATION
NOTE
9. Now place an application specific code in front of the reader and repeat only the
10. Click on the Data Matrix ECC 200 symbology under the Image Settings branch
20
MATRIX 320
At this point it is probably a good idea to save the configuration from
temporary memory to permanent memory giving it a specific name.
Image Auto-Setup to register any changes in lighting or code surface contrast.
Do not repeat Focus Calibration or PPI.
(enabled by default). If this symbology is among those in your application it will be
shown in the image display with its code symbology name and a small green box
around it indicating it is decoded.