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

Set which types of Barcode Symbologies may be

 

read

Min. Length

Set the minimum number of characters needed

 

for the input to be accepted

Max. Length

Set the maximum number of characters needed

 

for the input to be accepted

Pattern

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.

Extract From

Set the starting position if extracting only

 

certain characters from the input

Extract To

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 71

www.mcl-collection.com

Copyright © 2007 • MCL Technologies • All Rights Reserved

 

 

Page 71
Image 71
Datamax v1.1x user manual External Barcode Reader, User will not be able to input a value that, Does not match the pattern