Motorola LS1203 用户手册

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页码 202
Symbologies 8 - 33
I 2 of 5 Check Digit Verification
When this feature is enabled, the scanner checks the integrity of all I 2 of 5 symbols to verify the data complies with 
either the specified Uniform Symbology Specification (USS), or the Optical Product Code Council (OPCC) check 
digit algorithm.
Transmit I 2 of 5 Check Digit
Scan the appropriate bar code below to transmit I 2 of 5 data with or without the check digit.
*
Disable
USS Check Digit 
OPCC Check Digit 
Transmit I 2 of 5 Check Digit
(Enable)
*
Do Not Transmit I 2 of 5 Check Digit
(Disable)