DataWedge 4 - 21
• Linear Decode - This option applies to code types containing two adjacent blocks (e.g., UPC-A, EAN-8,
EAN-13). Enable this parameter to transmit a bar code only when both the left and right blocks are
successfully decoded within one laser scan. Enable this option when bar codes are in proximity to each other
(default - enabled) (RS507 and RS6000 only).
• Retry Count - Retry count for auto-discriminating for supplementals. Possible values are 2 to 20 inclusive.
Note that this flag is only considered if Supplemental Mode - UPC EAN is set to one of the following values:
Supplementals Auto, Supplementals Smart, Supplementals 378-379, Supplementals 978-979,
Supplementals 977 or Supplementals 414-419-434-439 (2 to 20, default 10).
• Security Level - The scanner offers four levels of decode security for UPC/EAN bar codes. Select higher
security levels for lower quality bar codes. There is an inverse relationship between security and decode
speed, so be sure to choose only that level of security necessary for the application.
• Level 0 - This default setting allows the scanner to operate fastest, while providing sufficient security in
decoding “in-spec” UPC/EAN bar codes (default).
• Level 1 - As bar code quality levels diminish, certain characters become prone to misdecodes before
others (i.e., 1, 2, 7, 8). If the scanner is misdecoding poorly printed bar codes, and the misdecodes are
limited to these characters, select this security level.
• Level 2 - If the scanner is misdecoding poorly printed bar codes, and the misdecodes are not limited to
characters 1, 2, 7, and 8, select this security level.
• Level 3 - If the scanner is still misdecoding, select this security level. Be advised, selecting this option is
an extreme measure against misdecoding severely out of spec bar codes. Selecting this level of security
can significantly impair the decoding ability of the scanner. If this level of security is necessary, try to
improve the quality of the bar codes.
• Supplemental2 - Enables or disables this option. A check in the checkbox indicates that the option is
enabled.
• Supplemental5 - Enables or disables this option. A check in the checkbox indicates that the option is
enabled.
• Supplemental Mode
• No Supplementals - the scanner is presented with a UPC/EAN plus supplemental symbol, the scanner
decodes UPC/EAN and ignores the supplemental characters (default).
• Supplemental Always - the scanner only decodes UPC/EAN symbols with supplemental characters, and
ignores symbols without supplementals.
• Supplements Auto - the scanner decodes UPC/EAN symbols with supplemental characters immediately.
If the symbol does not have a supplemental, the scanner must decode the bar code the number of times
set via UPC/EAN Supplemental Redundancy before transmitting its data to confirm that there is no
supplemental.
• Supplemental Smart - Enables smart supplementals. In this mode the decoder returns the decoded
value of the main block right away if it does not belong to one of the following supplemental types: 378,
379, 977, 978, 979, 414, 419, 434 or 439. If the bar code starts with one of the prefixes it searches the
image more aggressively for a supplemental. Tries to scan the supplemental if it is present. If the
supplemental scanning failed, then the main bar code is returned.
• Supplemental 378-379 - Enables (auto-discriminate) supplemental for UPC/EAN codes starting with 378
or 379. Disables reading of supplementals for any other UPC/EAN bar code not starting with 378 or 379.
Tries to scan the supplemental if it is present. If the supplemental scanning failed, then the main bar code
is returned.
• Supplemental 978-979 - Enables (auto-discriminate) supplemental for UPC/EAN codes starting with 978
or 979. Disables reading of supplementals for another UPC/EAN bar code not starting with 978 or 979.
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