Argox AS-9500 - Manual (Page 134)

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OCR User-Defined Variables
You can create up to two of your own user variables for an OCR
template. These variables will represent any OCR readable
characters. The user-defined variables are stored under the letters
“g” and “h.” Creating a user variable follows the same steps as
creating a template, but instead of scanning the Enter OCR
Template symbol, you scan the Enter User-Defined Variable
symbol. The letters g and h can then be used in an OCR template
to define the variable you specified.
Example: You need a variable to represent the letters “A,” “B,” or
“C.” The template for this variable would be:
414243 To create this template, you would enable the OCR-A font.
Scan the Enter User-Defined Variable g symbol. Scan 414243
(the hex characters for “A,” “B,” and “C”). Scan Save OCR
Template . This will let you read either
A or B or C in any position where you place the g. For example,
you could create the following template: ddddddggg This template
would then let you read data that began with six digits, and had an
A, B, or C trailing. So you would be able to read: