This Natural profile parameter can be used to determine whether the ring buffer of the program editor is to be used or not.
| Possible settings | ON |  
                               
                        Ring buffer is used. | 
|---|---|---|
OFF |  
                               
                        Ring buffer is not used. | |
| Default setting | OFF |  
                               
                        |
| Dynamic specification | no | |
| Specification within session | no | 
For further information, see Multiple Editor Sessions.