Microscan MS-4 Specifikace Strana 76

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Code 39
5-8 MS-3 Laser Scanner User’s Manual
5–Symbology
Code 39
Code 39 Status
Check Digit Status (Code 39)
Check Digit Output (Code 39)
Definition: An alphanumeric symbol with unique start/stop symbol patterns, com-
posed of 9 black and white elements per character, of which 3 are wide.
Usage: Code 39 is considered the standard for non-retail symbology.
Serial Cmd: <K470,status,check digit status,check digit output,large intercharacter
gap,fixed symbol length status,fixed symbol length,full ASCII set>
Default: Enabled
Note: This is the only symbol type enabled by default.
Options: 0 = Disabled 1 = Enabled
Serial Cmd: <K470,status,check digit status,check digit output,large intercharac-
ter gap,fixed symbol length status,fixed symbol length,full ASCII set>
Default: Disabled
Options: 0 = Disabled 1 = Enabled
Definition: When enabled, the check digit character is read and compared along
with the symbol data. When disabled, symbol data is sent without the
check digit.
Note: With Check Digit Output and an External or Serial trigger
option enabled, an invalid check digit calculation will cause a noread
message to be transmitted at the end of the read cycle.
Usage: Check digit Output, added to the symbol, provides additional security.
Serial Cmd: <K470,status,check digit status,check digit output,large intercharac-
ter gap,fixed symbol length status,fixed symbol length,full ASCII set>
Default: Disabled
Options: 0 = Disabled 1 = Enabled
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