This Natural profile parameter selects and activates or deactivates single or multiple new or changed Natural features supplied as selectable units.
For more information, see Selectable Units for New Natural Features in the Operations documentation.
| Possible settings | OFF | All selectable units (Natural features) are deactivated; any keyword subparameter settings are switched off. | 
|---|---|---|
| Un={ON|OFF} | One or more selectable units (Natural features) are
                           					 activated ( ON) or deactivated (OFF) with the keyword
                           					 subparameterUn: see
                           					 SELUNIT Parameter
                              					 Syntax.The  | |
| Default setting | OFF | |
| Dynamic specification | yes | |
| Specification within session | no | 
The setting of SELUNIT is ignored if no
                  		  selectable units are provided in a Natural version.
               
Selectable units are currently not available.
The following syntax applies:
| SELUNIT={OFF|({Un={ON|OFF}},...) } | 
Where:
n is a number from 1 to 24, each representing a specific feature as announced in the current Natural Release Notes for Mainframes.
SELUNIT=(U1=ON,U4=OFF)