Verification Of Optional "Check Digit; Transmission Of "Check Digit - KoamTac KDC100 User Manual

Verification of Optional "Check Digit"

Code39 and Interleave 2 of 5 have an optional check digit, which, by default, is not verified. Their
verification can be enabled by selecting the option VerifyCheckDigit to true or you can enable the
verification for individual symbologies. If the check digit verification fails then the barcode is not
transmitted.
Option Selected
VerifyCheckDigit
Code39_VerifyCheckDigit
I2of5_VerifyCheckDigit
Table 11 - Verification of Optional "Check Digit"

Transmission of "Check Digit"

By default, the check digit – optional or mandatory – is not transmitted. Its transmission can be
enabled for all symbologies by enabling ReturnCheckDigit option.
Option Selected
ReturnCheckDigit
EAN13_ReturnCheckDigit
EAN8_ReturnCheckDigit
UPCA_ReturnCheckDigit
UPCE_ReturnCheckDigit
Code39_ReturnCheckDigit
I2of5_ReturnCheckDigit
Table 12 - Transmission of "Check Digit"
Verify Code39 check
digit
Yes
Yes
No effect
Is the check digit returned?
EAN- EAN-
13 8
Yes Yes
No
Yes
effect
No
Yes
effect
No No
effect effect
No No
effect effect
No No
effect effect
No No
effect effect
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KDC100 User Manual
Verify I2of5 check digit
Yes
No effect
Yes
UPC- UPC-
A E
Yes Yes
No No
effect effect
No No
effect effect
No
Yes
effect
No
Yes
effect
No No
effect effect
No No
effect effect
Code39 I2of5
Yes Yes
No No
effect effect
No No
effect effect
No No
effect effect
No No
effect effect
No
Yes
effect
No
Yes
effect