2190-00607-02 Rev CDetailed OperationCustom Mapnot drawn on the display.Press the Next Page MENU ITEM key to displaythe next page of menu items.custom Map Menu option Page 3The third option page of the Custom Map functionlets you select options for the choices of Low Airways,High Airways, Water, Roads, and political boundaries.The last option selection takes you to the next page ofoptions.Custom Map page with Low Airways, High Airways, and MenuItems (Page 3)Low AirwaysThe Low Airways option allows you to control thedisplay of Low Airways. You may select the display ofthe airway and label, airway alone, or no display ofLow Airways by each subsequent press of the MENUITEM key. Low Airways are drawn when the zoomscale is 150 NM or less.High AirwaysThe High Airways option allows you to control thedisplay of High Airways. You may select the displayof the airway and label, airway alone, or no display ofLow Airways by each subsequent press of the MENUITEM key. High Airways are drawn when the zoomscale is 150 NM or less.WaterThe Water option allows you to control the displayof streams, rivers and lakes. Pressing the MENU ITEMkey next to Waters toggles between either the displayor no display of the bodies of water.Custom Map page with Water, Roads, Cities, and Menu Items(Page 3)roadsThe Roads option allows you to control the displayof interstate and state highways. Pressing the MENUITEM key next to Roads toggles between the displayor no display of the road features.citiesThe City option allows you to control the displayof cities. Pressing the MENU ITEM key for the Citiesmenu item toggles between the display or no displayof the City symbols and labels.