NorthStar Navigation Explorer 538i - Manual (Page 42)

General submenu
Plotter mode
Normal: only scales available on the chart card can be displayed.
If you press
or to select a chart scale which is not available, on the
chart card, the chart display will change to this scale but will only display the
boat position and track (if enabled). The rest of the display is white with black
crosshatch lines and no chart information is displayed. This is useful to zoom to
a small scale to track small boat movements or if there is no detailed chart for
an area.
Anticlutter Names and icons shown. Note: this is independent of the change in detail
shown at diff erent zoom levels.
hides some less important names and icons to make the chart clearer.
Value added data Non marine chart data shown
Projected course The Explorer 538/538i can estimate the course after a given time, based on the
current speed and heading (see section 3-4). The options are 2 minutes, 10
minutes, 30 minutes, 1 hour, 2 hours or Off.
CDI scale See Appendix C. The options are 0.05, 0.1, 0.2, 0.5, 1.0, 2.0, 4.0 and 10.0 distance
units.
Lat/lon grid
displays a latitude and longitude grid.
Boundaries Displays boundaries around areas where more detailed chart coverage is
available: Auto shows the next four detail levels; On shows all.
Text/icon size Select the size of chart text and icons.
Water submenu
Water features
displays marine sediment labels (for example, M shows areas of mud) and
tide station icons
Bathymetrics Displays underwater depth contours between Bath & sndgs min and max.
Spot soundings Displays depth soundings between Bath & sndgs min and max.
Bath & dndgs min The minimum depth for Bathymetrics and Spot soundings.
Bath & dndgs max The maximum depth for Bathymetrics and Spot soundings.
Tidal flow
displays dynamic tide flows: arrows on a chart showing the present tide
stream and orientation (requires a GPS fix and an NT-MAX card)
Other submenu
Waypoints Displays waypoints: Hide all only displays waypoints on any selected route;
Selected displays waypoints with their display option set to Icon or I+N
(Icon and Name) (see section 5).
Names
displays place names.
Lights Displays lighthouses: No sector hides any light sectors; On shows all data.
Nav-aids Displays signals (fog, radar, radio stations) and bouys. Int and US select the
icon format; Simpl draws simpler icons.
Attention areas
displays attention area boundaries and information icons ; attention areas
are important areas, such as restricted anchorages or shallow areas.
Land features
displays land features, for example regioins, rivers, roads, railways, airports