- In 
                  		  ESCWA, open the 
                  		  Server Instance Properties: MSS IMS TM General page for your 
                  		  enterprise server region. See 
                  		  Server Instance Properties: MSS IMS TM General for details.
                  		
               
- In the 
                  		  MFS null character field, type an appropriate value. 
                  		  
                  Note:  You can override this value at transaction level. 
                     		  
                   
- Click 
                  		  Apply. 
                  		
               
Note:  This task is value only when the codeset bias is set to 
               		ASCII.