If your program only needs to address memory below the line, you should:
               	 
            
            	 
            
               		
               - Set Max. memory below 16Mb line to the maximum amount of memory below the line that your program requires. The default is
                  3Mb and the maximum is 16Mb. 
                  		
               
- Set Addressing mode to AMODE(24) for the main program and for each program that the main program loads. 
                  		
               
- Omit the 
                  		  LOC parameter from all 
                  		  GETMAIN or 
                  		  STORAGE OBTAIN macros issued by your program.