Argox AS-9500 - Manual (Page 54)

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Code Option
If you want to decode all the symbologies allowable for your
imager, scan the All Symbologies On code. On the other hand,
you want to decode only a particular symbology, scan All
Symbologies Off followed by the On symbol for that particular
symbology.
All Symbologies
All Symbologies On
All Symbologies Off
Message Length Description
You may set the valid reading length of some of the bar code
symbologies. If the data length of the scanned bar code doesn’t
match the valid reading length, the imager will issue an error beep.
You may set the same value for minimum and maximum length to
force the imager to read fixed length bar code data. This helps
reduce the chances of a misread.
EXAMPLE: Decode only those bar codes with a count of 9-20
characters. Min. length = 09 Max. length = 20
EXAMPLE: Decode only those bar codes with a count of 15
characters. Min. length = 15 Max. length = 15. For a value other
than the minimum and maximum message length defaults, scan the
bar codes included in the explanation of the symbology, then scan
the digit value of the message length and Save bar codes. The
minimum and maximum lengths and the defaults are included with
the respective symbologies
Start/Stop Characters
Start/Stop characters identify the leading and trailing ends of
the bar code.