Kongsberg Simrad ST90, Reference Manual

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Related topics
Improving the recognition of fish and schools using receiver filters, page 117
Functions and dialog boxes, page 416
Active menu; Functions and dialog boxes, page 466
Horizontal Scroll function
The
Horizontal Scroll
function controls how fast the echoes shall travel across the Inspection
view.
Prerequisites
The function is only available when an Inspection view is active.
How to open
You open this function from the
Active
menu.
Description
The ST90 system offers several inspection beams. Each inspection beam is presented using
an
Inspection view. Each Inspection view shows you echo data from a separate beam. If you
use several Inspection views, you can train and tilt the beams individually, and independent
of the beams displayed in the other views.
The echo presentations in the Inspection views resemble the echograms you see on an echo
sounder. Each Inspection view can be regarded as an "echo sounder" with an adjustable
direction. In the ST90 system we use the phrase echogram to describe the information
provided by the views.
Use the
Horizontal Scroll
function to control how fast each echogram shall travel across the
Inspection view. Select a numerical value to set the speed.
The speed is controlled by adjusting the number of pixels used to present each ping. A
higher speed will update the view faster, but will also reduce the resolution.
Tip
To activate a view, click in it. The active view is identified with a thicker border. You can
select the start range (the depth from which the view starts) and the range (the “length" of
the transmitted beam) by means of the
Start Range
and
Range
settings.
Simrad ST90 Reference Manual