Gs1dataBarExpanded Decoder

RhoElements 2.x API


The Gs1dataBarExpanded Decoder is used to enable or disable the gs1dataBarExpanded decoder.


gs1dataBarExpanded (Decoder) <META> Syntax

<META HTTP-Equiv="scanner" content="gs1dataBarExpanded:[parameter]">

gs1dataBarExpanded JavaScript Object Syntax:
By default the JavaScript Object 'scanner' will exist on the current page and can be used to interact directly with the gs1dataBarExpanded.
To Set gs1dataBarExpanded parameters via JavaScript use the following syntax: scanner.Parameter = Value;

e.g. scanner.gs1dataBarExpanded = Value;


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

NamePossible ValuesDescriptionDefault Value
gs1dataBarExpanded:[Value] enabled/DisabledEnables/Disables the gs1dataBarExpanded decoder.Device specific



The gs1dataBarExpanded decoder was previously known as rssExp. Code written for the rssExp decoder will be compatible with the new naming convention.


RhoElements Version2.1 or above
Supported DevicesAll supported devices.
Minimum RequirementsScanner or Imager module and device that supports gs1dataBarExpanded.
PersistenceTransient - Decoder settings are only guaranteed to persist until the Scanner is disabled

HTML/JavaScript Examples

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

<META HTTP-Equiv="scanner" Content="allDecoders:disabled">
<META HTTP-Equiv="scanner" Content="gs1dataBarExpanded:enabled">
<META HTTP-Equiv="scanner" Content="enabled">

Above example can also be written as shown below:

<META HTTP-Equiv="scanner" Content="allDecoders:disabled;gs1dataBarExpanded:enabled;enabled">


<META HTTP-Equiv="scanner-all_decoders" Content="disabled">
<META HTTP-Equiv="scanner-gs1dataBarExpanded" Content="enabled">
<META HTTP-Equiv="scanner-enabled" Content="SCN1">