3-6
SE4400 Integration Guide
Decode Zones
SE4400-E000E
Near Focus
shows the decode zone for the Near Focus SE4400-E000E. Typical values
appear.
lists the typical and guaranteed distances for selected bar code densities.
The minimum element width (or “symbol density”) is the width in mils of the narrowest
element (bar or space) in the symbol.
Figure 3-2. SE4400-E000E Near Focus Decode Zone
In.
cm
0
20 mil
Depth of Field
11
2
4
6
8
10
0
5.1
10.2
15.2
20.3
25.4
13 mil (100% UPC)
7.5
5 mil
2.25
8.75
3.5
7.0
15 mil PDF417
0
cm
W
i
d
t
h
o
f
F
i
e
l
d
0
1.75 4.4
3.5
8.9
8.9
*
*
* Minimum distance determined by symbol length and scan angle.
1.75
3.5
4.4
in.
Note: Typical performance at 73˚F (23˚C)
on high quality symbols in normal room light.
Vcc = 3.3V
12
30.5
7.5 mil
2.75
7.75
6.67 mil PDF417
3.75
6.0
10 mil PDF417
3.25
7.25
SE 4400
Summary of Contents for Symbol SE4400
Page 1: ...SE4400 Integration Guide ...
Page 2: ......
Page 3: ...SE4400 Integration Guide 72E 63399 04 Revision A January 2007 ...
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Page 9: ...vii Contents Index Feedback ...
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Page 78: ...5 20 SE4400 Integration Guide ...
Page 90: ...Index 4 SE4400 Integration Guide ...
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