2018.2

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Text is used to encode data that mainly contains numbers and lowercase
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Base256 is used to encode 8 bit values
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Auto Detect automatically detects the data content and encodes using the most
appropriate method.
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None does not use any encoding.
Preferred format
Use the drop-down to select the size of the Data Matrix.
Scale
Defines if and how the rendered barcode is scaled in relation to the parent element:
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None: The barcode is rendered based on the module width.
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Proportional: The barcode is stretched up to where it fits either the width or height of the
parent box, whichever requires the less stretching.
Color
The Color group allows you to choose a different Barcode color (instead of black) and
Background color (instead of white), by typing a hexadecimal color value (see for example
w3school's color picker).
When black is a composite of CMYK or RGB values, it may incur a color click charge on some
printers. Check the Output in Grayscale option to make sure that pure black is used.
Output format
l Defines how the barcode is output on the page. There are two possible formats:
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SVG: Vector format. This is smaller in size, but not compatible with Email output.
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PNG: Binary rasterized format. This is slightly larger than SVG but will display properly in
Email output.
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