Beam - Simrad SX90 - REFERENCE MANUAL REV D Reference Manual

Simrad SX90
114

Beam

This parameter dialog opens when you click the
in the menu.
Horizontal
Dialog description
This function enables you to select the vertical beam width in
the horizontal presentation. The beam selection can be made
manually, or controlled automatically by the selected range.
• The wide beam is designed to be used with shorter ranges
in order to obtain a larger vertical coverage. This makes the
sonar less "tilt dependent" in the catching phase.
• The normal beam is designed to be used for the medium
ranges.
• The narrow beam is provided for the longer ranges. The
focused narrow beam has the highest source level, which
increases the detection range.
In automatic mode, the beam will change automatically as defined
by the range selections made by the
Options
• : Click this button to select the upper range for the
Wide
wide beam width in Auto mode. For ranges higher than this
selection, the beam will automatically switch to Normal or
Narrow depending on the current selection for the
button.
• : Click this button to select the upper range for the
Normal
normal beam width in Auto mode. For ranges higher than
this selection, the beam will automatically switch to Narrow,
which is indicated by a grey and unavailable
• : Click to close the parameter dialog.
Close
• : Click to access the on-line help.
Help
Figure 28 Beam widths: Wide (A), Normal (B) and Narrow (C)
button
Beam
and buttons.
Wide Normal
Normal
button.
Narrow
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