Rice Lake Motorola DS457 Laser Scanner - Manual (Page 57)

Specifications 4 - 9
DS457-HD/DP
Figure 4-6
shows the decode zone for the DS457-HD/DP. Typical values appear.
Table 4-4
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 4-6 DS457-HD/DP Decode Zone - 1D and Data Matrix Symbols
In.
cm
0
5 mil Code 39
Depth of Field
5.7
2 4 6 8 10
0 5.1 10.2 15.2 20.3 25.4
3 mil Code 39
1.2 4.8
0
W
i
d
t
h
o
f
F
i
e
l
d
0
5 12.7
10 25.4
25.4 10
12.7
in.
Note: Typical performance at 73˚F (23˚C)
on high quality symbols.
DS457-HD/DP
5
4.4
7.5 mil Data Matrix
3.7
5 mil Data Matrix
3 mil Code 128
1.4 3.5
4 mil Data Matrix
1.6 3.0
1.4
1.2
1.1
cm
13 mil (100% UPC)
8.3 1.7
15 mil Code 128
8.7 3.1
20 mil Code 39
9.7 1.9