For the next screen I/O, this command suppresses Natural's automatic compression of screen data and causes the entire screen to be sent instead.
At a screen I/O, Natural usually does not send the entire screen, but
only the changed screen data. When a non-Natural program is invoked which
causes a screen I/O, Natural in most TP environments recognizes the non-Natural
I/O and sends the entire screen upon the next screen I/O. However, in some TP
environments, the non-Natural I/O is not recognized by Natural; in such a case,
%RN should be used.
%RN only applies to the next screen I/O.