Scanning 2 - 7

Decode Zones Figure 2-14
DS6708 Digital Scanner Decode Zone for 1D Bar Codes
Figure 2-15
DS6708 Digital Scanner Decode Zone for 2D Bar Codes
In.
cm 0
20 mil Code 39
Postnet 12.5
0
In. cm W
i
d
t
h
o
f
F
i
e
l
d

Depth of Field

1.0 21.0
2.6
0

Note: Typical performance at 68˚F (20˚C)

on high quality symbols.

2
4
6
2
4
6
5.1
10.1
15.2
5.1
10.1
15.2
246 8 10 12 14 16
0 5.1 10.1 15.2 20.3 25.4 30.5 35.6 40.6
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100% 13 mil UPC
5 mil Code 39
0.6 14.0
2.8 5.8
18 20
45.7 50.8 22
55.9
In.
cm 0
10 mil MicroPDF
10 mil PDF417 8.9
0
In. cm W
i
d
t
h
o
f
F
i
e
l
d
Depth of Field
2.3 7.5
2.1
0
Note: Typical performance at 68˚F (20˚C)
on high quality symbols.
1
2
3
1
2
3
2.5
5.1
7.6
2.5
5.1
7.6
246810
12 14
05.1 10.1 15.2 20.3 25.4 30.5 35.6
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10 mil QR Code
6.6 mil PDF417
2.6 6.8
3.4 5.7
10 mil Data Matrix 8.0
2.3
35 mil Maxicode 12.8
1.5