Bearing (Horizontal) - Simrad SX90 - REFERENCE MANUAL REV D Reference Manual

Simrad SX90
116

Bearing (Horizontal)

The parameter dialog opens when you click the
Bearing
button in the
Horizontal
Dialog description
The horizontal bearing of the audio channel is normally
controlled from the Operating Panel. The selected bearing
is shown with a continuous white line pointing out from the
transducer position. This line can be trained manually or
automatically in any position. The angle read-out on the bearing
button can be selected to be ±180 degrees relative to the bow, or
absolute (relative north).
Options
• : Click once to train the audio channel one
Left/Right arrow
degree. The current bearing is shown above.
• : Click to open a new parameter dialog that
Search Step
allows you to select the search step angle. This value defines
how many degrees the search beam shall move for each
transmission in the Auto Search mode. (► Search Step on
page 159)
• : Click to open a new parameter dialog that
Search Sector
allows you to select the active audio search sector. This sector
can be adjusted between 22 and 360 degrees directly with the
increase/decrease button function, or by the two buttons in
the parameter dialog. The search sector limits
Search Sector
are shown on the outer part of the echo circle with two white
angular symbols. (► Search Sector on page 158)
• : Click
Absolute/Relative
channel to be relative to true north. Click
bearing to be relative to the vessel's bow.
• : In Manual mode, the audio channel can be
Manual/Auto
trained continuously in either direction by pressing the two
arrow buttons in the
Auto mode, the sonar will automatically perform search within
the selected search sector using the steps defined.
• : Click to close the parameter dialog.
Close
• : Click to access the on-line help.
Help
Related topics
• Automatic search and tracking procedures on page 50
• Horizontal menu on page 83
• 'Train' field on page 77
menu.
to set bearing of the audio
Absolute
field on the Operating Panel. In
Train
Bearing
to set the
Relative
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