44 User ManualFig. 4.1a - Perspective ViewDynamic Nav Aids[MENU] + "DYNAMIC NAV-AIDS" + [ENTER]This function allows settings blinking lights on Nav-Aids. The blink period andcolor of each Nav-aid is read from the Nav-Aid attributes available on the datacartridge. When the ship is inside the Nav-Aid nominal range, the light of the Nav-Aid will start blinking.When Dynamic Nav-Aids option is set to On, when the flashing light is Off, orwhen fix position is out of the sector, the light color is displayed by using a faintlight color.Map Orientation E[MENU] + "MAP ORIENTATION" + [ENTER]The possible choices are listed in the table below:North : The map is shown with North upwards.Head : The map is shown with the ship's current heading upwards. If Head is selected, insert the MapOrientation Resolution angle in the range [5, 60] degrees.Course : The map is shown with the currently selected course leg upwards. If Course is selected, insert theMap Orientation Resolution angle in the range [5, 60] degrees.Mixing Levels E[MENU] + "MIXING LEVELS" + [ENTER]When the map coverage at the current zoom level does not fill the entire screen,the chart plotter draws the rest of the map expanding the cartographic informationread from, at most, two zoom levels above the current zoom level. For this reasonthe map is drawn three times: firstly it draws the two levels before the currentlevel and then the current level. The area covered by the cartographic data readfrom the previous levels is identified by a dotted pattern. When the cursor ismoved on an area not covered by data of the current level the chart plotterzooms out to the first level covered by cartographic data.NOTE The Mixing Levels E function works only with the new C-CARDs. It also affectsthe speed of the redraw of the screen. If this function is not used it may bedisabled.Safety Status BarE (DSI = DATA SAFETY INDICATOR)[MENU] + "SAFETY STATUS BAR" + [ENTER]The possible choices are listed in the table below:On : The Safety Status BarE is shown.Off : The Safety Status BarE is not shown.Icon : The Safety Status BarE is not shown, but a Warning alarm Icon is shown on the corner of the mapscreen as soon as any item controlled by the DSI (Data Safety Indicator) function returns an alarm