Motorola LS3578 用户手册
2 - 8
Symbol LS3578 Product Reference Guide
Figure 2-4
Symbol LS3578-ER Decode Zone
0.25"
20"
7.5 mil
2"
32"
10 mil
3"
69"
15 mil
3"
94"
20 mil
0
10
20
30
40
50
60
70
80
90
100
0
25.4
50.8
76.2
101.6
127.0
152.4
177.8
203.2
228.6
254.0
0
4
8
12
12
8
4
0
10.2
20.3
30.5
30.5
20.3
10.2
LS3578
ER
ER
Depth of Field
in.
cm
cm
W
i
d
t
h
o
f
F
i
e
l
d
in.
cm
Note: Typical performance at 73.4°F (23°C)
on high quality Code 39 symbols.
on high quality Code 39 symbols.
15"
180"
55 mil
365"
70 mil reflective
*
540"
100 mil reflective
0
60
120
180
240
300
360
420
480
540
600
0
152.4
304.8
457.2
609.6
762.0
914.4
1066.8
1219.2
1371.6
1524.0
0
24
48
72
72
48
24
0
61.0
121.9
182.9
182.9
121.9
61.0
LS3578
ER
ER
Depth of Field
in.
cm
cm
W
i
d
t
h
o
f
F
i
e
l
d
in.
cm
Note: Typical performance at 73.4°F (23°C)
on high quality Code 39 symbols.
on high quality Code 39 symbols.
*Near range determined by degree of reflectivity and width of bar code.