Kodak 8342693 User Guide - Page 267
Verify Checksum, Orientation, Significant Skew, For Code 39 Extended and Code 39 HIBC bar codes
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6-14 When the bar code zone is first created, Capture Software searches the zone for all bar code types. When successful, Capture Software sets the bar code type to the one found. Otherwise, a bar code type is not selected. There are two exceptions to this rule: • For Code 39 Extended and Code 39 HIBC bar codes, Capture Software may set the bar code type to Code 39. As a result, you may need to manually select Code 39 Extended and Code 39 HIBC. • For MSIPH bar codes, Capture Software may set the bar code type to MSI. As a result, you may need to manually select MSIPH. 4. Check Verify Checksum if the bar code contains a checksum character. Checksum characters help ensure the accuracy of bar code reading. Not all bar code types support checksum verification. Bar code types that optionally support checksum verification: • Code 3 of 9 • CODABAR • Interleaved 2 of 5 Some bar code types like PDF417, UPC and EAN have a built-in checksum routine that cannot be disabled. If you disable Verify Checksum for bar codes containing a checksum, the checksum value (usually the last character of the bar code) will appear in the bar code value; otherwise, the check digit will remain hidden. If checksum verification fails during scanning, a bar code value is not generated, causing Capture Software index field audits to fail. NOTES: Choose one of the following Orientation options: • Horizontal • Vertical • Horizontal & Vertical • Horizontal with Significant Skew • Vertical with Significant Skew • Horizontal & Vertical with Significant Skew If your bar codes are all in the same orientation (i.e., all horizontal or all vertical), it is recommended that you indicate the specific orientation; this will increase bar code read performance. NOTES: Significant Skew means more than 15 degrees of skew; enabling this option slows down the reading process. The following shows a 15° skewed bar code that still reads successfully without enabling the with Significant Skew option. If enabled in Page Setup, Capture Software will deskew the image before reading the bar codes. Therefore, Significant Skew should never be used with pre-printed bar codes, but could be used for bar code labels. A-63054 February 2004