Raymarine GPM400 Reference Manual page 48

FUNCTION
Nav. Marks
Nav. Marks Symbols
The set of symbology used for navigation
marks. Corresponds to paper charts.
Light Sectors
The sector of light cast by a fixed beacon.
Caution & Routing Data
Marine Features
Cables, nature of seabed points, tide station,
current stations and port information.
Land Features
The cartographic features that are displayed
on the land.
Colored Seabed Areas
In available areas (e.g. Portugal) this gives
greater definition of seabed.
Background Color
The color of background water when there is
no Navionics cartography.
Business Services
The symbols indicating the location of a
business
Aerial Photo Overlay
The area displaying the aerial photo overlay
G-Series Reference Manual
OPTIONS FUNCTION
ON Roads
OFF Major coastal roads
International Additional Wrecks
US Extended wrecks data for new wrecks
ON
Chart scale
OFF
Use the Range key to change the scale of your chart view. When
ON
you zoom in, you see a smaller area of the chart in more detail
OFF
(larger scale). When you zoom out, you see a greater area of the
chart in less detail (smaller scale).
ON
OFF
The level of cartographic detail available at different scales varies:
some charts provide detail at smaller scales than others.
ON If you select a chart scale that does not provide cartographic detail
OFF
for your chosen area, the chart will use the most detailed level
available for the surrounding area and stretch it to fit the selected
scale. This means that you will never have blank or hatched areas
ON
on your screen. However, there could be some misalignment of
OFF
objects which cross the chart boundary in this area.
Alarms
White
Blue
With the appropriate equipment installed and powered up, the fol-
lowing alarms may be triggered in the chart application:
ON
OFF
•
•
On Land and Sea
•
On Land
•
•
•
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System (anchor, timer, alarm clock and temperature)
Navigation (arrival and off-track)
Radar (guard zones)
Fishfinder
AIS
Weather
OPTIONS
ON
OFF
ON
OFF