Datamax v1.1x user manual External Barcode Reader, User will not be able to input a value that

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

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