Rockwell Automation 2755 AdaptaScan Software - Manual (Page 93)

6–11
Publication 2755-838
Code 39 and Codabar
Open the Code 39 or Codabar dialog by highlighting the symbology
in the Symbologies dialog and then selecting the Edit button.
Check Character
Verify Verify the check character for each symbol that is read. A sym-
bol is invalid if the calculated code does not match the decoded
check character.
Code 39 checksum is the modulus 43 sum of all character
values. Codabar checksum is the modulus 16 sum of all char-
acter values.
Verify & Strip Verify the check character on each symbol and then remove
the check character from the data. The symbol is invalid if the
calculated code does not match the decoded check character.
None Check characters are not verified.
Discrete 2 of 5
Open the Discrete 2 of 5 dialog by highlighting Discrete 2 of 5 in the
Symbologies dialog and then selecting the Edit button.
Guard Bars
Verifies the presence of guard bars. When selected, the guard bars
must be present to decode a symbol. When not selected, the symbol
is decoded with or without guard bars.
☞
Or double-click on a
symbology in the Symbologies
box to open the dialog.
☞
Or double-click on a
symbology in the Symbologies
box to open the dialog.