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+# SkyAware 4.0 Features
+
+## Customize display via URL query strings
+
+Syntax: <ip_address>/dump1090-fa/?parameter=value
+
+Examples:
+
+    http://192.0.0.1/dump1090-fa/?sidebar=hide
+
+    http://192.0.0.1/dump1090-fa/?altitudeChart=hide
+
+    http://192.0.0.1/dump1090-fa/?rangeRings=hide
+
+    http://192.0.0.1/dump1090-fa/?ringCount=3?ringBaseDistance=100?ringInterval=50
+
+| Parameter | Possible Values |
+| :---------: | :---------: |
+| banner  | show/hide |
+| altitudeChart | show/hide |
+| aircraftTrails | show/hide |
+| map | show/hide | 
+| sidebar | show/hide | 
+| zoomOut | 0 - 5 | 
+| zoomIn | 0 - 5 | 
+| moveNorth | 0 - 5 | 
+| moveSouth | 0 - 5 | 
+| moveWest | 0 - 5 | 
+| moveEast | 0 - 5 | 
+| displayUnits | nautical/imperial/metric |
+| rangeRings | show/hide | 
+| ringCount | integer |
+| ringBaseDistance | integer |
+| ringInteval | integer | 
+
+
+
+## New World/US/Europe Basemaps and Overlays
+
+Click the OpenLayers icon on the bottom right of the map to select baselayers and overlays
+
+## Ability to show/hide columns in the aircraft table
+
+The "Select Columns" button on the aircraft table allows you to choose which columns to show for your preferred display