Adding and Using User Bitmap Charts MicronNav System
0656-SOM-00001-07 97 © Tritech International Ltd.
This page contains a number of options for configuring the Chart and some of its functions.
These are:
Sub Marker This is the Marker and its trail that is laid to indicate the
current position (Marker) of the Responder/Transponder
and its past whereabouts (Trail). The Colour, Shape and
Size of this Marker can be changed and also all points
in the Trail can be linked together if desired. The Select
from the ‘Unit ID:’ list to change colours for all enabled
Responder (R0) and Transponders (T1..T15).
Ship Marker This is the Marker and its trail that is laid to indicate the
current Ship/Transducer position (Marker) and its past
whereabouts (Trail). The Colour, Shape and Size of this
Marker can be changed and also all points in the Trail can
be linked together if desired.
Inverse Cursor Navigation This will invert the Left/Right and Up/Down operation of
the Chart Cursor buttons.
Scale Position This is the Position on the Chart that the Chart Scale is
displayed.
Max Navigation Points This is the Maximum number of points that any Trail will
include.
PPI The colour of the PPI Rings and Range text on the PPI
overlay can be set.
Sonar Range Ring If the sonar is geo-referenced (configured during
installation) then the range rings can be drawn on the
chart to illustrate the area of sonar coverage.
Chart The colour of the Chart Background and Grid Lines can
be altered (Note: the chart background is overlaid when
a bitmap chart is loaded.
Vehicle Data Display This will control if the data from the vehicle is displayed
on the chart or not (see Section 3.2, “Installation” for more
details).
Sub Trail / Ship Trail
These options will configure whether a trail will be shown for the Sub (e.g. Responder/
Transponder) and Ship (e.g. USBL Transducer) position updates plotted on the Chart.
There are also options for Pause the update of the Trail, which may be useful during transit
or a pause in work and option to Clear the entire Trail, which may be useful to resetting at
the start of work.
Saving Sub Trail/Ship Trail to .trl File
The sub and ship trails can be saved to a comma separated ASCII file, with the .trl extension.
To import into GIS or other applications, this extension can be renamed as .csv or any other
compatible extension type.
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