18.10 Chart displayThe Chart Display menu option determines the levelof detail that is displayed on-screen.The Chart display menu option is only availablewhen using vector based cartography.The Chart display options are shown below.SimpleDetailedExtra DetailedThe level of detail shown on-screen is also affectedby the cartography Chart detail settings. Refer toChart detail for information.Changing the chart display detailFrom the Chart application menu:1. Select Presentation.2. Select Chart Detail.The following options are available:• Simple• Detailed• Extra Detailed3. Select the required option.18.11 OverlaysThe chart has a number of overlays that displaydifferent views and information. The overlays requireelectronic charts with the appropriate feature supportand may also require additional hardware andservice subscriptions.You can overlay the following data onto a 2D chartto give greater depth of information. The overlaysavailable are:• * AIS — View and track AIS targets. This overlayis not available in 3D view.• * Radar — Overlay radar onto the chart. Thisoverlay is not available in 3D view.• ** Aerial — Provides an aerial / satellitephotography overlay.• ** Aerial Overlay: — Determines the coverage ofthe aerial overlay.• * NOWRad — Provides the NOWRad weatherradar overlay. This overlay is not available in 3Dview.• Databoxes — Select whether databoxes aredisplayed on-screen and what data is displayed.• Chart Grid — Determines whether grid linesrepresenting longitude and latitude are displayedon the chart.• ** 2D Shading — Determines whether terrainshading is displayed in 2D view.• ** Community Edits — Determines whether thecommunity layer is enabled or disabled.• ** Chart Text — Determines whether chart text isdisplayed (place names and so on).• Chart Boundaries — Determines whether a lineindicating the chart boundary is displayed.• Range Rings— View range rings in the Chartapplication. This overlay is not available in 3Dview.• Safe Zone Ring — View safe zone ring. Thisoverlay is not available in 3D view.• Fuel Range Ring — View the fuel range ring. Thisoverlay is not available in 3D view.• Boat Size — Determines the size of the boat iconon-screen.• Waypoint Name — Determines whether theWaypoint names are displayed next to waypoints.• Route Width — Determine the width of route lineson-screen.• Track Width — Determine the width of track lineson-screen.Note:* Additional hardware required.** If supported by your cartography type.Chart application 233
