External barcode reader, General introduction – Datamax 123 Print v1.1x User Manual
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Chapter 3 : Creating a Project
3.3.2.3. External Barcode Reader
General introduction
As discussed in
Section 3.3.2 – Variables, Input Methods
, several input
methods are available for your screen prompts.
This section discusses the External Barcode Reader input method and 
the properties you need to set up when you select this input type. 
 
 
 
External Barcode allows the User to use an external barcode scanner 
for inputs to the label program. 
For External Barcode reader the property settings are as follows:
Symbologies
Min. Length
Max. Length
Pattern
 
 
 
 
 
 
 
 
 
Extract From
Extract To
 
 
 
Set which types of Barcode Symbologies may be 
read 
Set the minimum number of characters needed 
for the input to be accepted 
Set the maximum number of characters needed 
for the input to be accepted 
Set a required pattern for the input. Possible 
pattern masks include the letters A-Z, the 
numbers 0-9 and the special characters 
$“_ *. These pattern masks and their use are 
described in Chapter 5 – Using Processes. See 
Section 5.2.2 Control and Branch
for a detailed
description about the use of patterns. 
 
The user will not be able to input a value that 
does not match the pattern. 
Set the starting position if extracting only 
certain characters from the input 
Set the ending position if extracting only certain 
characters from the input 
For example, if you set Extract From 4 and 
Extract To 6, you will extract “555” out of 
0005550 
October 2007
Page
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