Microscan QX Hawk Manual de usuario Pagina 165

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QX Hawk Industrial Imager User Manual 5-67
Parameters
Code 39
Code 39 is considered the standard for non-retail 1D symbology.
An alphanumeric symbology with unique start/stop code patterns, composed of 9 black and
white elements per character, of which 3 are wide.
Check Character Status
Enables or Disables the check character.
Check Character Output Status
Check Character Output Status, when added to the symbol, provides additional data
security.
When enabled, the check character character is read and compared along with the symbol
data. When disabled, symbol data is sent without the check character.
Note: With Check Character Output Status enabled and an External Edge, External
Level, or Serial Data trigger option enabled, an invalid check character calculation will
cause a No Read Message to be transmitted at the end of the read cycle.
Large Intercharacter Gap
Large Intercharacter Gap
is helpful for reading symbols that are printed out of specification.
When enabled, the imager can read symbols with gaps between symbol characters that
exceed three times (3x) the narrow element width.
Important: Do not use Large Intercharacter Gap with Narrow or Narrow, Enhanced
Quiet Zone enabled, because a large intercharacter gap (over 3x) could cause a narrow
quiet zone (5x) to be interpreted as an intercharacter gap.
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