When Format 7 of the SET statement is executed, the address contained in pointer-data-item is increased (UP BY) or decreased (DOWN BY) by a value that corresponds to the value in the sending field.
SET Statement - Format 7 .-------------------. V | >>-SET----pointer-data-item-+--+-UP BY---+----------------------> '-DOWN BY-' >--+-identifier-8------------+--------------------------------->< +-integer-3---------------+ '-LENGTH OF--identifier-9-'
Identifier-8 cannot be a floating-point data item.