Motorola MC1000 ユーザーズマニュアル
Operating the MC1000 2 - 11
Laser Decode
Ranges
shows the laser decode ranges and
lists the decode ranges for the 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. The maximum usable length of a symbol at any given range is shown below.
or space) in the symbol. The maximum usable length of a symbol at any given range is shown below.
Figure 2-9
MC1000 Laser Decode Ranges
Table 2-5
MC1000 Laser Decode Ranges
Bar Code Density
Ranges
Near
Far
5.0 mil
2.6 in
6.60 cm
4.9 in
12.45 cm
7.5 mil
2.2 in
5.59 cm
7.9 in
20.07 cm
10 mil
1.9 in
4.83 cm
10.8 in
67.95cm
Note: Minimum distance determined by symbol length and scan angle.
in.
cm
5 mil
4.9
7.5 mil
7.9
100% UPC
12.7
17.9
24.1
20 mil
40 mil
30.6
55 mil
*Minimum distance determined by symbol length and scan angle
0
6
12
0
15.3
30.5
45.7
15.3
30.5
45.7
6
12
in. cm
W
i
d
t
h
o
f
F
i
e
l
d
Depth of Field
0
0
0
10
25.4
20
50.8
30
76.2
18
2.1
2.2
2.6
40
101.6
18
*
Note: Typical performance at 73° F (23° C)
on high quality symbols.