NAK Indicates the command was good, but the Data field entry was out of the allowable range for this Tag and SubTag combination, e.g., an entry for a minimum message length of 100 when the field will only accept 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: 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: 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: 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: What are the device’s settings for all Codabar selections?

Enter: cbr?.Response: CBRENA1[ACK],SSX0[ACK],CK20[ACK],CCT1[ACK],MIN2[ACK],MAX60[ACK],DFT[ACK].

This response indicates that the device’s Codabar Coding Enable (CBRENA) is set to 1, or on;

the Start/Stop Character (SSX) is set to 0, or Don’t Transmit; the Check Character (CK2) is set to 0, or Not Required; concatenation (CCT) is set to 1, or Enabled;

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