Imager Decode Ranges - Motorola MC9500-K User Manual

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Imager Decode Ranges

The decode ranges provide the decode distances for bar codes of specified densities.
decode ranges and
element width (or "symbol density") is the width in mils of the narrowest element (bar or space) in the symbol. The
maximum usable length of a symbol at any given range is shown below.
Note: Typical performance at 73°F (23°C) on high
quality symbols in normal room light.
1.6
2.9
*
*
1.1
*
2.3
*
In.
0
cm
0
* Minimum distance determined by symbol length and scan angle.
MC9500-K Imager Decode Ranges
Figure 4-8
Table 4-2 on page 4-9
5 mil Code 39
6.67 mil PDF417
7.5 mil Code 39
10.1
10 mil PDF417
9.6
13 mil (100% UPC)
15 mil PDF417
14.2
15 mil Data Matrix
11.9
20 mil Code 39
5 10 15
12.7 25.4 38.1
Depth of Field
lists the scan ranges for the selected bar code densities. The minimum
in.
9 22.9
4.5 11.4
0
4.5 11.4
9 22.9
24.2
20 25
50.8 63.5
Figure 4-8
W
cm
i
d
t
h
o
0
f
F
i
e
l
d
shows the imager