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Menu item Description Options
Track Interval Determines the interval
that will be used for
track point creation.
The options available
depend on the option
selected for the Record
Vessel Track By menu
item, as follows:
• Auto — If the Auto
option is selected for
the Record Vessel
Track By menu
item, no options
are available for the
Track Interval menu
item.
• Time — If the Time
option is selected for
the Record Vessel
Track By menu item,
you can use theTrack
Interval menu item
to specify the time
interval.
• Distance — If the
Distance option is
selected for the
Record Vessel Track
By menu item, you
can use theTrack
Interval menu item to
specify the distance
interval.
If TIME is selected for
the Record Vessel
Track By menu item:
• 2 secs
• 5 secs
• 10 secs
• 30 secs
• 1 min
• 3 min
• 5 min
• 10 min
• 30 min
If DISTANCE is selected
for the Record Vessel
Track By menu item:
• 0.02 nm
• 0.05 nm
• 0.1 nm
• 0.2 nm
• 0.5 nm
• 1.0 nm
Menu item Description Options
Datum
In order for your GPS
and chart to correlate
accurately with your
paper charts, they must
be using the same
datum. The default
datum for your display
is WGS1984. If this is
not suitable, you can
change the setting.
When you change the
datum setting, the chart
grid will subsequently
move according to
the new datum, and
the latitude/longitude
of the cartographic
features will also change
accordingly. The system
attempts to set up any
GPS to the new mode,
and indicates whether
this was successful or
not.
• WGS1984 (default)
• List of available
datum
Using the chart
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