Navman Datahelm 8120 Installation And Operation Manual page 60

General submenu
Plotter mode
dow will change to this scale but will only display the boat position and track (if enabled). The rest of
the window 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.
Mixing levels Mixes lower detail charts with higher detail charts on chart boundaries.
Anticlutter
zoom levels.
Value added data
Projected course The Instrument 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
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
and tide station icons.
Displays underwater depth contours between Bath & dndgs min
Bathymetric[s] lines
and max.
Displays underwater depth contours between Bath & dndgs min
Spot soundings
and max.
The minimum depth for Bathymetrics and Spot soundings.
Bath & sndgs min
The maximum depth for Bathymetrics and Spot soundings.
Bath & sndgs max
Tidal stream
(requires a GPS fix and an NT-MAX card)
Land submenu
Land features
Land elevation
Other submenu
Displays waypoints: Hide all only displays waypoints on any selected route; Selected displays
Waypoints
waypoints with their display option set to Icon or I+N (Icon and Name); Show all displays all
waypoints (see section 5).
Names
Light House window options: Off hides all light indicators (the icon still shows); No sectors
Lights
hides sectors; On shows sectors; Animated activates light animation.
Note: with light animation enabled sectors are not visible, animation only operates in single chart
view or in the top chart of chart + chart
Displays signals (fog, radar, radio stations) and bouys. Int and US select the icon format; Simpl
Nav-aids
draws simpler icons.
Attention areas
such as restricted anchorages or shallow areas.
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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 win-
:Lower detail chart is not shown.
:Lower detail chart shown; this is slower to redraw.
Names and icons shown. Note: this is independent of the change in detail shown at different
Hides some less important names and icons when they overlap to make the chart clearer.
Non marine chart data shown
displays a latitude and longitude grid.
displays nature of seabed (for example, M shows areas of mud)
displays dynamic tide flows: arrows on a chart showing the present tide stream and orientation
displays land features, for example regions, rivers, roads, railways, airports.
displays land contours, shaded like depths (requires an NT Max card)
displays place names.
displays attention area boundaries and information icons ; attention areas are important areas,
8120 Installation and Operation Manual