Omron V530-R150E-2 Operation Manual page 137

SET (Setting) Mode
4
If there is enough time available, set the number of retries to
a value between 1 and 9.
5
Adjust the filed of vision for the Camera so that there are at
least 5 pixels per cell.
6
Ensure that there is a quiet zone (blank margin) of at least 4
cells around the codes.
7
If correct reading is not possible, try the following counter-
measures:
a) Set the filtering method to strong or smoothing.
b) Change the field of vision.
c) Use the Data Matrix (Pattern) menus.
Section 6-1
125