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Block Check Character
When this selection is set to Transmit, the NCR Block Check Character 
(BCC) is expected with incoming messages and transmitted with outgoing 
messages.  
Default = Transmit.
NCR Prefix
This selection allows you to program an NCR-specific prefix.  Refer to the 
ASCII Conversion Chart (Code Page 1252) on page A-4 to find the hex 
equivalent for the characters you want for the NCR prefix (typically, 02 for 
STX).  Scan the bar code below, then set the hex number (from 0-FF) by 
scanning digits from the Programming Chart, then scanning Save.  
Default 
= 0.
NCR Suffix
This selection allows you to program an NCR-specific suffix.  Refer to the 
ASCII Conversion Chart (Code Page 1252) on page A-4 to find the hex 
equivalent for the characters you want for the NCR suffix (typically, 03 for 
ETX).  Scan the bar code below, then set the hex number (from 0-FF) by 
scanning digits from the Programming Chart, then scanning Save.  
Default 
= 0.