| 1. Right click your layer in the LAYERS DESCRIPTION box.       
           2. Click PROPERTIES.       3. Click the THEMATICS tab.       4. Click the THEMES tab.       5. Click NEW THEME.       6. Give the theme a name; usually the name of the field you are theming e.g. CALL DAY.       7. Click OK.   (The above steps need to be carried out each time a new theme is created. If not your themes will overwrite each other.)       
         |