This Natural profile parameter specifies the action to be taken when a video-terminal program-attention key (PA key) or program-function key (PF key) is used to enter data, and the key has not been defined to the Natural program with the SET KEY statement.

Possible settings	ON	The value ENTR is placed in the Natural system variable *PF-KEY; that is, Natural reacts as if ENTER had been pressed.
	OFF	A REINPUT message is generated, prompting the user to press a valid key.
Default setting	OFF
Dynamic specification	yes
Specification within session	no