Limit the user's rights to table entries:
     
    • Log in as Supervisor, or as a user with Supervisor rights
    • From Administration, click Security
    • Open the security group to which the user belongs
    • To prevent any change to all tables, unmark the Code Tables option
       
        OR

      To prevent changes to specific tables:
         
        • Click the Options button after highlighting the Code Tables selection
        • Under Code Tables, unmark all tables that should not be modified by this group. Group members are still be able to select values from unmarked tables during data entry.
        • Click OK and then Save and Close