The upca_preamble Meta Tag is an action tag used to set the upcapreamble property, which controls the preamble applied to the bar code.
upcapreamble (META Tag) Syntax <META HTTP-Equiv="scanner" content="upcapreamble:[parameter>
Parameters
Items listed in this section indicate parameters, or attributes which can be set.
Name Possible Values Description
Default Value upcapreamble:[Value] NONE/SYSTEM_CHAR/COUNTRY_AND_SYSTEM_CHARS if value is NONE Applies no preamble to the bar code.if value is SYSTEM_CHAR then Applies system character preamble to the bar code.if value is COUNTRY_AND_SYSTEM_CHARS Applies both system and country code preamble to the bar code. Device specific
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Examples
The following example enables the scanner to read only upca labels with the preamble property set to both system and country code preamble:
<META HTTP-Equiv="scanner" Content="upca:enabled"> <META HTTP-Equiv="scanner" Content="upcapreamble:COUNTRY_AND_SYSTEM_CHARS"> <META HTTP-Equiv="scanner" Content="enabled">
Copy example to clipboard Above example can also be written as shown below:
<META HTTP-Equiv="scanner" Content="upca:enabled;upcapreamble:COUNTRY_AND_SYSTEM_CHARS;enabled">
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<META HTTP-Equiv="scanner-upca" Content="enabled"> <META HTTP-Equiv="scanner-upcapreamble" Content="COUNTRY_AND_SYSTEM_CHARS"> <META HTTP-Equiv="scanner-enabled" Content="SCN1">
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Additional Information
Supported Platforms Windows CE, Windows Mobile, Windows Mobile SE Persistence This tag is persistent. Min. Requirements Scanner or Imager module and device supports upca.