Ean13 Decoder

RhoElements 2.x API


The Ean13 Decoder is used to enable or disable the ean13 decoder.


ean13 (Decoder) <META> Syntax

<META HTTP-Equiv="scanner" content="ean13:[parameter]">

ean13 JavaScript Object Syntax:
By default the JavaScript Object 'scanner' will exist on the current page and can be used to interact directly with the ean13.
To Set ean13 parameters via JavaScript use the following syntax: scanner.Parameter = Value;

e.g. scanner.ean13 = Value;


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

NamePossible ValuesDescriptionDefault Value
ean13:[Value] enabled/disabledEnables/Disables the ean13 decoder.Device specific


RhoElements Version1.0.0 or above
Supported DevicesAll supported devices.
Minimum RequirementsScanner or Imager module and device that supports ean13.
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 ean13 labels:

<META HTTP-Equiv="scanner" Content="allDecoders:disabled">
<META HTTP-Equiv="scanner" Content="ean13:enabled">
<META HTTP-Equiv="scanner" Content="enabled">

Above example can also be written as shown below:

<META HTTP-Equiv="scanner" Content="allDecoders:disabled;ean13:enabled;enabled">


<META HTTP-Equiv="scanner-all_decoders" Content="disabled">
<META HTTP-Equiv="scanner-ean13" Content="enabled">
<META HTTP-Equiv="scanner-enabled" Content="SCN1">

The following example enables the scanner to read all labels except ean13:

<META HTTP-Equiv="scanner" Content="allDecoders:enabled">
<META HTTP-Equiv="scanner" Content="ean13:disabled">
<META HTTP-Equiv="scanner" Content="enabled">