Intermec CN4, User Manual, Page: 118 / 146

Appendix A — Specifications and Default Settings
106 CN4 Mobile Computer User’s Manual
EA21 Area Imager Minimum Reading Distances
Minimum distances are measured in the dark (0 lux).
0"
4"
8"
0
10
20
cm
PDF417 10 mils
0.15mm/6 mils
0.25 mm / 10 mils
0.5 mm / 20 mils
Data Matrix 10 mils
in
0" 32" 28" 24" 20" 16" 12" 8" 4"
0 80 70 60 50 40 30 20 10
100% contrast UPC EAN
12"
16"
30
40
16"
12"
8"
4"
40
30
20
10
Note: Minimum distances depend on bar code length.
EA21 Minimum Reading Distances
Symbology Density Minimum Distance Maximum Distance
Code 39 0.15 mm (6 mil)
0.25 mm (10 mil)
0.5 mm (20 mil)
1 mm (40 mil) 12 cm (4.72 in)
5 cm (1.97 in)
5 cm (1.97 in)
9 cm (3.54 in) 18 cm (7.09 in)
28 cm (11.02 in)
55 cm (21.65 in)
75 cm (29.53 in)
UPC/EAN 100% 0.33 mm (13 mils) 5 cm (1.97 in) 38 cm (14.96 in)
Data Matrix 0.25 mm (10 mils)
0.38 mm (15 mils) 12 cm (4.72 in)
8 cm (3.15 in) 22 cm (8.66 in)
34 cm (13.39 in)
PDF417 0.25 mm (10 mils)
0.38 mm (15 mils) 7 cm (2.75 in)
7 cm (2.75 in) 28 cm (11.02 in)
40 cm (15.75 in)