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4-5
LS 1220WA-I300A Wide Angle
LS 1220 Wide Angle Decode Zone (V
cc
= 5V)
The LS 1220 Wide Angle decodes the symbols as shown in Figure 4-2.. The figures shown
are typical values. Table 4-2 on page 4-6 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. The maximum usable length
of a symbol at any given range is shown below. Calculating The Usable Scan Length
Method on page 2-5.
Figure 4-2. LS 1220WA-I300A Decode Zone (Typical)
In.
cm
0
0
5
12.7
10
25.4
15
38.1
20
50.8
25
63.5
LS 1220WA
5 mil
2
4
7.5 mil
100% UPC
1.5
7.0
12
20 mil
16
20
25
40 mil
55 mil
*
*Minimum distance determined by symbol length and scan angle
Depth of Field
0
6
6
In.
cm
W
i
d
t
h
o
f
F
i
e
l
d
12.4
Note: Typical performance at 73.4˚F (23˚C)
on high quality symbols.
12.4
0
15.2
15.2
31.6
31.6
Содержание LS 1220
Страница 2: ...LS 1220 Product Reference Guide ...
Страница 3: ......
Страница 4: ...LS 1220 Product Reference Guide 70 12072 03 Revision A January 2003 ...
Страница 23: ...1 8 LS 1220 Product Reference Guide Figure 1 3 LS 1220 Connector ...
Страница 33: ...2 10 LS 1220 Product Reference Guide ...
Страница 71: ...8 14 LS 1220 Product Reference Guide Figure 8 1 Hardware Handshaking ...
Страница 97: ...9 6 LS 1220 Product Reference Guide Code Lengths cont d 1 2 3 4 5 6 7 8 9 0 CANCEL ...
Страница 105: ...9 14 LS 1220 Product Reference Guide Prefix Suffix Values cont d 1 2 3 4 5 6 7 8 9 0 CANCEL ...
Страница 108: ...9 17 Parameter Menus UPC Security Zone cont d 1 2 3 4 5 6 7 8 9 0 CANCEL ...
Страница 114: ...9 23 Parameter Menus Parity Set the type of parity for RS 232C transmission ODD EVEN MARK SPACE NONE ...
Страница 118: ...9 27 Parameter Menus ASCII Data Format Select either 7 bit or 8 bit ASCII format for RS 232C communications 7 BIT 8 BIT ...
Страница 120: ...9 29 Parameter Menus Intercharacter Delay cont d 1 2 3 4 5 6 7 8 9 0 CANCEL ...
Страница 133: ......
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