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Chapter 5 Symbology

MS-3 Laser Scanner User’s Manual 5-15

5–Symbology

Check Digit Output (Interleaved 2 of 5)

Symbol Length #1 (Interleaved 2 of 5)

Definition: When enabled, a check digit character is sent along with the bar symbol

data for added data security.

Serial Cmd: <K472,status,check digit status,check digit output,symbol length

#1,symbol length #2>

Default: Disabled

Options: 0 = Disabled 1 = Enabled

Definition: Allows user to define the symbol length. Because I 2/5 is a continuous

symbol, it is prone to substitution errors. Hence, a symbol length must be

defined and a bar symbol must contain an even number of digits.

Note: If start, stop or check digits are used, they are not included in

the symbol length count.

Usage: With I 2/5, two symbol lengths can be defined. When using only one

symbol length in an application, setting Symbol Length #2 to 0 (zero)

to ensure data integrity is recommended.

Serial Cmd: <K472,status,check digit status,check digit output,symbol length

#1,symbol length #2>

Default: 10

Options: 2 to 64

Since I 2/5 characters are paired, symbol length must be set to an even

number. If Check Digit is enabled, add 2 to your symbol length. For

example, if your symbol is 10 characters plus a check digit, then enable

Symbol Length for 12.

Note: Typically, when printing an I 2/5 symbol with an odd number of

digits, a 0 will be added as the first character.

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Microscan MS-4 Especificações Página 83