Microscan MS-820 User Manual Page 74

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Symbology ID
5-6 MS-820 Industrial Bar Code Scanner User’s Manual
5–Codes
Symbology ID
Example: For Code 39, if Check Digit and Check Digit Output are both enabled, a
1 will be sent; if Check Digit Output is disabled, a 3 (sum of column 1 and column 2)
will be sent.
Table 5-1 Symbology Identifier Option Values
Definition: Symbology ID is an AIM standard prefix character that identifies the bar
code type.
When enabled, the scanner analyzes and identifies the bar code sym-
bology and adds a three character identifying prefix to the data:
1. ] (close bracket character) indicating the presence of a symbology ID
2. A, C, E, F, G, I, L, Q
A = Code 39; C = Code 128 or UCC/EAN-128; E = UPC/EAN; F =
Codabar; G = Code 93; I = I–2 of 5; L = PDF417; Q = Pharma Code
3. Modifier, a single number indicating the status of the check digit
character:
If Check Digit is not enabled, the output is 0 (Col. 1). If Check Digit
and Check Digit Output are enabled, the output is as shown in Col-
umn 2. If Check Digit is enabled, but Check Digit Output is disabled
(Col. 3), the output is as shown in Col. 4, which is the sum of Col. 2 and
Col. 3.
Usage: Used when host needs to know the symbology type and how it’s
decoded.
Serial Cmd: <Ko narrow margins status,symbology identifier>
Default: Disabled
Options: 0 = Disabled 1 = Enabled
Symbology
I.D.
Symbology
Column 1
No check
character
Column 2
Check digit
Output
enabled
Column 3
Check digit
Output
disabled
Column 4
Sum of
Column
2 and 3
FNC 1
Character
in first
position
A Code 39 0 1 2 3
C Code 128 0 0 0 0
C UCC/EAN-128 0 0 0 0 1
E UPC/EAN 0 0 0 0
F Codabar 0 1 2 3
G Code 93 0 0 0 0
I I–2 of 5 0 1 2 3
L PDF417 0 0 0 0
Q Pharma Code 0 0 0 0
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