Overview
The CompositeAb Decoder is used to enable or disable the Composite AB decoder.
Syntax
| compositeAb (Decoder) <META> Syntax |
|---|
<META HTTP-Equiv="scanner" content="CompositeAb:[parameter]"> |
| compositeAb JavaScript Object Syntax: |
|---|
| By default the JavaScript Object 'scanner' will exist on the current page and can be used to interact directly with the compositeAb. |
|
To Set compositeAb parameters via JavaScript use the following syntax: scanner.Parameter = Value;
e.g. scanner.compositeAb = Value; |
Parameters
Items listed in this section indicate parameters, or attributes which can be set.
| Name | Possible Values | Description | Default Value |
|---|---|---|---|
| compositeAb:[Value] | enabled/disabled | Enables / Disables Composite AB decoder. | N/A |
Remarks
Requirements - Upca
In order to enable compositeAb barcode scanning, the upca decoder must also be enabled.
Requirements
| RhoElements Version | 1.0.0 or above |
|---|---|
| Supported Devices | All supported devices. |
| Minimum Requirements | Scanner or Imager module and device that supports Composite AB. |
| Persistence | Transient - Decoder settings are only guaranteed to persist until the Scanner is disabled |
HTML/JavaScript Examples
The following example enables the scanner to read only Composite AB labels:
<META HTTP-Equiv="scanner" Content="allDecoders:disabled">
<META HTTP-Equiv="scanner" Content="upca:enabled">
<META HTTP-Equiv="scanner" Content="CompositeAb:enabled">
<META HTTP-Equiv="scanner" Content="enabled">
Above example can also be written as shown below:
<META HTTP-Equiv="scanner" Content="allDecoders:disabled;upca:enabled;compositeAb:enabled;enabled">
or
function enableCompositeAb()
{
scanner.allDecoders = 'disabled';
scanner.upca = 'enabled';
scanner.compositeAb = 'enabled';
scanner.enable();
}