Availability:
     Online     , CTRL-D
     Online     , CTRL-N

  Quick Help:
     Toggle R/W Tracing

  Description:
    This command steps through all possible combinations of enabled / disabled states for
    the following three R/W Tracing features:

       Retry Tracing
       Command Tracing
       Error Tracing

  Input Parameters:
    None

  Output Data:


    If an error occurred, the following information will be displayed.
    
          "DiagError aaaaaaaa"
    
       where
    
          aaaaaaaa is the Diagnostic Error Code
    
    If no error occurred, the R/W tracing state will be displayed as follows.
    
          "e c r = a b c"
    
       where
    
          "e c r" is an acronym for "error", "command", "retry" tracing.
    
          a is 1 if error tracing is enabled and 0 if error tracing is disabled.
    
          b is 1 if command tracing is enabled and 0 if command tracing is disabled.
    
          c is 1 if retry tracing is enabled and 0 if retry tracing is disabled.
    
  Revision History:

    0001.0000   Initial revision.
    0011.0000   Combined the PSG Diagnostic Error Codes (PSGDEC) and the Diagnostic External
                Test Service Error Codes (DETSEC) into a single set of Diagnostic Error Codes
                (DiagError).