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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.” Cre-
ating 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 (page 7-10). 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 (page 7-10). Scan 414243 from the Programming Chart (the hex characters for “A,” “B,” and
“C”). Scan Save OCR Template (page 7-10). 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:
654321ABC
or
654321BAC
or
654321CCC
Reading Multi-Row OCR
The imager is capable of decoding multi-row OCR text.
Note: Reading rows longer than sixteen characters is not recommended.
Consider the following example. This example shows serial commands as they would be entered using
Quick*View.
Example: You need to read multiple rows of OCR-A data as shown below:
12345678
ABCDEFGH
First, enable the OCR-A font. To read the first row of OCR data, you would program the following
template:
OCRTMP"dddddddd".
This template is the default OCR template. If you wanted to read the second line of data, you would
use the following template:
OCRTMP"llllllll".
