Durios A7 Ultimate Tablet PC
User Guide
28
2.............................................................................................................................. Aim
the Barcode
3.............................................................................................................................. Press
the trigger to scan, in DURIOS A7 ULTIMATE-B2,
Search button
is the trigger
button.
4.............................................................................................................................. Ensur
e the entire barcode is within the rectangular area formed by the brackets in the laser
framing
Correct framing
Wrong framing
5.............................................................................................................................. Relea
se the trigger
Scanning Tips and Considerations
1. 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