NCR RealScan 7837-3000 - Examples of Query Commands

10-4 Chapter 10: Serial Programming Commands
ENQ Indicates an invalid Tag or SubTag command.
NAK Indicates the command was good, but the Data field entry
out of the perm
was
ittable range for this Tag and SubTag
combination, for example, an entry for a minimum message
length of 100 when the field only accepts 2 characters.
Whenresponding,thedeviceechoesbackthecommandsequencewith
thestatuscharacterinserteddirectlybeforeeachofthepunctuation
marks(theperiod,exclamationpoint,comma,orsemicolon)inthe
command.
Examples of Query Commands
Inthefollowingexamples,abracketednotation[]depictsanon‐
displayableresponse.
Example #1:What is the range of possible values for Codabar Coding Enable?
Enter: cbrena*.
Response: CBRENA0-1[ACK]
ThisresponseindicatesthatCodabarCodingEnable(CBRENA)hasa
rangeofvaluesfrom0to1(offandon).
Example #2: What is the default value for Codabar Coding Enable?
Enter: cbrena^.
Response: CBRENA1[ACK]
ThisresponseindicatesthatthedefaultsettingforCodabarCoding
Enable(CBRENA)is1,oron.
Example #3: What is the device’s current setting for Codabar Coding Enable?
Enter: cbrena?.
Response: CBRENA1[ACK]
Thisresponseindicatesthatthedevice’sCodabarCodingEnable
(CBRENA)issetto1,oron.
Example #4: What are the device’s settings for all Codabar
selections?
Enter: cbr?.
Response: CBRENA1[ACK],
SSX0[ACK],
CK20[ACK], CCT1