The purpose of the 2D barcode component is to a create Data Matrix barcodes. Data Matrix is a very efficient two dimensional barcode symbology that uses a small area to encode just about anything including text and numeric data. The data displayed can be supplied when the label template is created or can be populated by eLab when the label is printed.
Figure 18.4. The Bar code details - Data Matrix dialogue box.
The options of the 2D barcode component are:
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Database field. Select this option when the barcode data is to be populated by eLab at the time of printing . From the Name box select the name of the field from the database that represents the data you want and the number of characters that you want to display.
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Free Text. Select this option when you want to manually supply the data that the barcode will display. Enter the data in the
Text box.
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X-expansion factor. The value of this option determines what multiplication of the original width the barcode will be displayed at.
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Y-expansion factor. The value of this option determines what multiplication of the original height the barcode will be displayed at.
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