User's Manual

Chapter 6 Data Capture
48
Scanning Tips and Considerations
Distance
Scanning device will decode perfectly over a certain working range, there are minimum and maximum
distance from the barcode. To specify the appropriate working range per barcode type is through a table
as follows.
Symbology
Density
Min Distance
Max Distance
Code 39
0.100 mm
0.125 mm
0.500 mm
1.000 mm
9.5 cm
8.0 cm
6.5 cm
9.5 cm
11.5 cm
14.5 cm
50 cm
75 cm
EAN / UPS 100%
0.33 mm
6 cm
34 cm
DataMatrix
0.18 mm
0.25 mm
0.38 mm
7.5 cm
6.0 cm
5.5 cm
16.5 cm
23.0 cm
34.5 cm
PDF417
0.25 mm
0.38 mm
5.5 cm
6.5 cm
26 cm
37 cm
Angle
Scanning angle is important for promoting quick decodes.
Scanning Angle
Horizontal 34.4°
34.4°
Vertical
22.2°
Framing Angle
Horizontal
30°
Vertical
20°