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Decode zones, Ds3478-sf near focus - 1d and pdf417, Decode zones -8 – Motorola DS3478 User Manual

Page 38: Ds3478-sf near focus - 1d and pdf417 -8

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2 - 8

Symbol DS3478 Product Reference Guide

Decode Zones

DS3478-SF Near Focus - 1D and PDF417

Figure 2-6

Symbol DS3478-SF Near Focus Decode Zone - 1D and PDF417

In.

cm

0

20 mil

Depth of Field

9.5

2

4

6

8

10

0

5.1

10.2

15.2

20.3

25.4

13 mil (100% UPC)

6.0

5 mil

0.8

7.3

2.0

5.5

15 mil PDF417

0

cm

W

i

d

t

h

o

f

F

i

e

l

d

0

1.25 3.18

2.5

6.35

6.35

*

*

* Minimum distance determined by symbol length and scan angle.

1.25

2.5

3.18

in.

Note: Typical performance at 73°F (23°C)
on high quality symbols in normal room light.
Vcc = 3.3V

7.5 mil

1.3

6.3

6.67 mil PDF417

2.3

4.5

10 mil PDF417

1.8

5.8

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