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NorthStar Navigation Explorer 538i User Manual

Page 42

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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

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