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SE4400 Integration Guide
Toggled Focus
Figure 3-7
shows the decode zone for the Toggled Focus SE4400-E004E. Typical values
appear.
Table 3-8
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.
Note: Typical performance at 73°F (23°C)
on high quality symbols in normal room light.
Vcc = 3.3V
SE4400-
E004E
2.2
2.1
2.2
2.4
*
*
0
In.
cm
0
* Minimum distance determined by symbol length and scan angle.
Figure 3-7. SE4400-E004E Toggled Focus Decode Zone
3-18
5 mil
7.0
6.67 mil PDF417
2.5
7.5 mil
10 mil PDF417
13 mil (100% UPC)
15 mil PDF417
20 mil
3
6
7.6
15.2
Depth of Field
7.6
10.3
9
12
22.9
30.5
cm
in.
4
10.2
5.1
2
0
0
2
5.1
4
10.2
15.0
15
38.1
W
i
d
t
h
o
f
F
i
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l
d
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