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Us4state Decoder

The Us4state Decoder is used to enable or disable the us4state decoder.

Syntax

us4state (Decoder) <META> Syntax

<META HTTP-Equiv="scanner" content="us4state:[parameter]">

us4state JavaScript Object Syntax:
By default the JavaScript Object 'scanner' will exist on the current page and can be used to interact directly with the us4state.
To Set us4state parameters via JavaScript use the following syntax: scanner.Parameter = Value;

e.g. scanner.us4state = Value;
Us4state Ruby Object Syntax:
By default the Ruby Object 'Scanner' will exist on the current page and can be used to interact directly with the Us4state.
To Set Us4state parameters via Ruby use the following syntax: Scanner.Parameter = Value

e.g. Scanner.us4state = Value

Parameters

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

Name Possible Values Description Default Value
us4state:[Value] enabled/Disabled Enables/Disables the us4state decoder. Device specific

Requirements

RhoElements Version 1.0.0 or above
Supported Devices All supported devices
Minimum Requirements Scanner or Imager module and device that supports us4state.
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 Webcode labels:

<META HTTP-Equiv="scanner" Content="allDecoders:disabled">
<META HTTP-Equiv="scanner" Content="us4state:enabled">
<META HTTP-Equiv="scanner" Content="enabled">

Above example can also be written as shown below:

<META HTTP-Equiv="scanner" Content="allDecoders:disabled;us4state:enabled;enabled">

or

<META HTTP-Equiv="scanner-all_decoders" Content="disabled">
<META HTTP-Equiv="scanner-us4state" Content="enabled">
<META HTTP-Equiv="scanner-enabled" Content="SCN1">
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