Opticon NLV-5201 - Positive and Negative Image of Barcodes (1 D Code Common)

Chapter-9
Code Options
NLV-5201 User's Manual
97
1st
Positive and Negative Image of Barcodes (1D code common)
9.2.2
Normally, the barcode is printed in black on white background, but there a case with white on black
background. Black on white background is called normal (positive) barcode and white on black
background is called negative barcode.
Positive Image of Code 128
Negative Image of Code 128
Following are the positive and negative barcode reading setting.
Code
Item
Command
Description
Default
1D
Positive and
Negative
Image of
Barcodes
[DLA
Q0
Decode positive bar codes only.

Q1
Decode negative bar codes only.
Q2
Decode positive bar codes and negative bar codes.
* It is strongly recommended to enable only the required codes and options for best reading performance.