upca Meta Tag

The upca Meta Tag is an action tag used to enable or disable the upca decoder.



upca (META Tag) Syntax
<META HTTP-Equiv="scanner" content="upca:[parameter>

Items listed in this section indicate parameters, or attributes which can be set.

Name	Possible Values	Description	Default Value
upca:[Value]	enabled/Disabled	Enables/Disables the upca decoder.	Device specific

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META Tags

Javascript

<!-- The upca META Tag is an action tag used to enable or disable the upca decoder. --> <!-- <META HTTP-Equiv="Scanner" Content="upca:[Value]"> --> <!-- Enables/Disables the upca decoder. -->

<script> /* The upca META Tag is an action tag used to enable or disable the upca decoder. */ function doupcaInit() { var objGeneric = new ActiveXObject("PocketBrowser.Generic"); //objGeneric.InvokeMETAFunction('Scanner', 'upca:[Value]'); /* Enables/Disables the upca decoder. */ } </script>

The following example enables the scanner to read only upca labels:

<META HTTP-Equiv="scanner" Content="all_decoders:disabled"> <META HTTP-Equiv="scanner" Content="upca:enabled"> <META HTTP-Equiv="scanner" Content="enabled">

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<!-- The following example enables the scanner to read only upca labels: --> <META HTTP-Equiv="scanner" Content="all_decoders:disabled"> <META HTTP-Equiv="scanner" Content="upca:enabled"> <META HTTP-Equiv="scanner" Content="enabled">

Above example can also be written as shown below:

<META HTTP-Equiv="scanner" Content="all_decoders:disabled;upca:enabled;enabled">

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<!-- Above example can also be written as shown below: --> <META HTTP-Equiv="scanner" Content="all_decoders:disabled;upca:enabled;enabled">

or

<META HTTP-Equiv="scanner-all_decoders" Content="disabled"> <META HTTP-Equiv="scanner-upca" Content="enabled"> <META HTTP-Equiv="scanner-enabled" Content="SCN1">

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<!-- or --> <META HTTP-Equiv="scanner-all_decoders" Content="disabled"> <META HTTP-Equiv="scanner-upca" Content="enabled"> <META HTTP-Equiv="scanner-enabled" Content="SCN1">

The following example enables the scanner to read all labels except upca:

<META HTTP-Equiv="scanner" Content="all_decoders:enabled"> <META HTTP-Equiv="scanner" Content="upca:disabled"> <META HTTP-Equiv="scanner" Content="enabled">

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<!-- The following example enables the scanner to read all labels except upca: --> <META HTTP-Equiv="scanner" Content="all_decoders:enabled"> <META HTTP-Equiv="scanner" Content="upca:disabled"> <META HTTP-Equiv="scanner" Content="enabled">

Supported Platforms	Windows CE, Windows Mobile, Windows Mobile SE
Persistence	This tag is persistent.
Min. Requirements	Scanner or Imager module and device supports upca.