3820 UG.book - Finn-ID

Concatenation of Multiple CommandsMultiple commands can be issued within one Prefix/Storage sequence. Only theTag, SubTag, and Data fields must be repeated for each command in thesequence. If additional commands are to be applied to the same Tag, then thenew command sequence is separated with a comma (,) and only the SubTag andData fields of the additional command are issued. If the additional commandrequires a different Tag field, the command is separated from previouscommands by a semicolon (;).ResponsesThe device responds to serial commands with one of three responses:ACK Indicates a good command which has been processed.ENQ Indicates an invalid Tag or SubTag command.NAK Indicates the command was good, but the Data field entry was out of theallowable range for this Tag and SubTag combination, e.g., an entry for aminimum message length of 100 when the field will only accept 2characters.When responding, the device echoes back the command sequence with thestatus character inserted directly before each of the punctuation marks (theperiod, exclamation point, comma, or semicolon) in the command.Examples of Query CommandsIn the following examples, a bracketed notation [ ] depicts a non-displayableresponse.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 ofvalues 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) isset to 1, or on.2020/3820 User’s Guide 10 - 3