Datalogic PowerScan RF SR Guide De L'utilisateur page 23

Depth of Field
Paper Labels (HD decoded model, Code 39)
User's Guide
See the section titled, Definition of a "mil" for more
information about reading this chart. Measurements
are based on HD models set with the standard 28°
scan width (as opposed to the Half Angle setting of
14°). Reference the Programming Manual for more
information about the Half Angle feature.
NOTE
Specifications are subject to change without notice.
Figure 8. Depth of Field (HD)
3 mil
4 mil
5 mil
7.5 mil
10 mil
1 2 3
INCHES
0 5
CENTIMETERS
20 mil
4 5 6 7
10 15
8
20
15