Kongsberg Simrad SN90 Reference Manual page 353

Purse seine and trawling sonar
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Note
If you change the tilt or bearing settings manually the priority status is lost. The SN90
system will still attempt to track the target, but the tilt and bearing settings are not
adjusted.
The priority is identified with a "P". The bearing and tilt settings are automatically
adjusted to follow the movements of the tracked target. You can only give priority status
to one object. If you start tracking a new target the first target will loose its priority. The
same applies if you give priority to another marker. The tracking of the first target will
however not stop, and the target marker is still shown.
Relevant information about the tracked object can be found in the bottom left corner of
the view. If you think the text is small and hard to read, double-click on the text field.
This will increase the text size.
Tip
Under certain circumstances the target tracking may not follow the intended echo. This
may for example happen if the tracking area is too large. You can start manual tracking
by placing multiple markers on a target echo that moves in the view. The physical
location of the individual markers and the specific information provided for the latest
marker show you the historical path of the chosen target.
On the
User Settings Setup
not want new tracked targets to become priority targets. This page is located in the
dialog box. To open the page, select
Installation
Deleting a marker
There are two ways to delete a marker. You can use the shortcut menu, or select
the
menu.
Objects
Tip
You can delete a single marker, or multiple markers simultaneously, by selecting
in the
menu. If you use
Objects
one marker at a time.
1
Place the cursor on the marker you wish to delete.
2
Right-click to open the shortcut menu.
3
Select
Delete Marker
or:
1
Open the
Objects
2
In the list of objects, check the box for the object you wish to delete.
Check
Select All
3
Select
.
Delete
381294/E
page, de-select
Delete Marker
.
menu.
to select all the markers in the list.
New Manually Initiated Track
on the
Installation
on the shortcut menu you can only remove
User interface
if you do
menu.
Setup
in
Delete
Delete
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