2 190-00607-02 Rev CDetailed OperationCustom Mapcustom Map Menu option Page 4The fourth option page of the Custom Map func-tion lets you select options for choices of Boundaries,Nexrad, Metars, Lightning, and Cell Movement.Custom Map page with Boundaries, Nexrad, Metars, Lightning,and Cell Movement Menu Items (Page 4)BoundariesThe Boundaries option allows you to select thedisplay of political boundaries on the Map displays.nexradThe Nexrad option allows you select the overlayof weather information on the Custom Map if theoptional weather products are installed and active.Pressing the Nexrad menu item toggles the display ofNexrad information on and off.MEtArsThe METARs option allows you select the overlayof METAR symbols on the Custom Map if the optionalweather products are installed and active. Pressingthe METARs menu item toggles the display of METARsymbols on and off.LightningThe Lightning option allows you select the overlayof Lightning strike symbols on the Custom Map, if theoptional FIS lightning sensor is installed and active.Pressing the Lightning menu item toggles the displayof Lightning symbols on and off.cell MoveWhen optional equipment is installed and enabled,Cell Movement shows the storm cells identified by theground-based system. The movement is depicted byan arrow. The tip of the arrow represents where thecell is expected to be in 10 minutes from the time thecell location was determined.Press the Next Page MENU ITEM key to displaythe next page of menu items.custom Map Menu option Page 5The fifth option page of the Custom Map functionlets you select options for choices of Airport Charts,Terrain, Obstructions, Traffic, and Lightning Strikes.Custom Map page with Airport Charts, Terrain, Obstructions,Traffic, and Storm Cells Menu Items (Page 5)