%U 
                         |  
                              
                     
This command causes Natural to translate lower-case characters to upper-case for alphanumeric input data.
Upper-case translation is in effect by default.
%U influences the interactive input, which is
                      entered, for example, with a Natural INPUT statement. It does not,
                      however, influence the input from the stack.
               
See also the terminal command %L.
               
Application Programming Interface: USR0350N.
                       See
                       SYSEXT - Natural
                          Application Programming Interfaces in the
                       Utilities documentation.