Decode Zones - Motorola MC9500-K User Manual

Decode Zones

The decode zones for the laser scanners are shown in
values. lists the typical distances for selected bar code densities. The minimum element width (or
Table 4-2
"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.
4 mil
1.00
5 mil
1.30
1.70
1.70
1.70
1.70
2.00
*
0
0
* Minimum distance determined by symbol length and scan angle.
MC9500-K Laser Scanner 35° Decode Zone
Figure 4-3
5.00
7.50
7.5 mil
12.50
10 mil
17.50
100% UPC
15 mil
20 mil
40 mil
55 mil
5 10 15
12.7 25.4 38.1 50.8
Depth of Field
and
Figure 4-3 Figure
23.50
24.50
25.50
27.50
31.50
30 35
20 25
76.2 88.9
63.5
Data Capture
4-4. The figures shown are typical
38.1
15
W
31.6
10
i
d
t
12.7
5
h
o
f
0 0
F
i
e
5 12.7
l
d
10 25.4
15 38.1
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