Kongsberg Simrad SN90 Reference Manual page 405

Purse seine and trawling sonar
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: Select
From File
dialog box offers a list to choose from.
Marker
Control buttons
In the object list, select the object line to activate the control buttons for that
particular object.
Priority
You can give priority status to one
marker to identify the relevant
object as the most important target
or position. Select
currently selected object a priority
status. If another object has this priority, the status is transferred to the new
object. The priority is identified with a "P".
Disable Alarm
When you are tracking a moving target, certain target behaviour may trigger
an alarm. Select
tracked target.
Suppress Alarm Audio
When you are tracking a moving target, and the target behaviour triggers
an alarm, you will hear an audio signal. Select
disable the audio.
Alarm History
All alarms are presented under the
Select
Alarm History
Object information
In the object list, select the object line to retrieve object information about that
particular object.Some information is only available for an object that is subjected
to target tracking.
Position
Two fields present the geographical position of the currently selected object.
Course/Speed
In the list of objects, select an object on which you have started target
tracking. Two fields present the course and speed of the tracked target.
SNR (Signal to Noise ratio)
In the list of objects, select an object on which you have started target
tracking. One field presents the acceleration of the tracked target. The Signal
to Noise ratio (SNR) gives the strength of the tracked target relative the noise
floor defined by the reference cell in the CFAR filter.
381294/E
to retrieve the previously saved objects. The
From File
to give the
Priority
to disable alarms for the currently selected
Disable Alarm
Alarms
to open the
Messages
/
Acceleration
Menu system
Suppress Alarm Audio
tab in the
dialog box.
Messages
dialog box.
Import
to
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