AT&T 7400B Plus User Manual page 142

APPENDIX A: AT COMMAND SET
Page A-11
Command:
Function:
Type:
Arguments:
S-Register:
Example:
Comments:
See Also:
Q
Turn the display of result codes on or off.
configuration
No argument or an argument of 0 enables the display of result
codes; an argument of 1 disables the display of result codes. The
factory-default is result codes enabled.
Bit 2 of S14 is set according to the argument used with the Q
command.
atq1 ( )
Enter
In the example, the result codes are disabled. Use this option
only if you wish to prevent the 7400B Plus from returning result
codes after an ''AT'' command is issued.
Chapter 3, "Configuration and Operation;" result codes in
Appendix E, "Summary Tables;" the V and commands in this
appendix.
DEFINITY Communications System
7400B Plus Data Module
User´s Guide