Kongsberg Simrad ST90, Reference Manual

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The distance from the vessel symbol in the centre of the circle to the outer ring
corresponds to the currently selected range.
• The current settings for range, gain and tilt are shown in the upper left corner of the
view. When you change the tilt a dotted line presents the requested tilt while the
solid line presents the actual tilt. You can change the tilt angle by means of the
Tilt
function on the
Main
menu. You can also click on the tilt line in a Vertical
view and drag it up and down.
• The position (bearing and distance) and depth of the cursor location is shown in the
lower right corner of the view. The depth is calculated from the current tilt and the
distance from the vessel.
• The course and speed of the latest marker is found in the lower right corner of the
view. The values are calculated based on the last two markers you placed and the
time between each placement.
• Relevant information about a priority target can be found in the lower left corner of
the view.
The
Cosmetics
menu controls which "cosmetic" features that used.
2 At the bottom of the display presentation, select a suitable presentation mode, and
activate the
Vertical view.
The view shows you a "vertical slice" of the echo data. The direction of the slice is
the same as the current bearing. The area covered by the vertical beam is shown as a
triangle in the
Horizontal view. You can change the bearing on the
Main
menu. You
can also select the bearing line in a Horizontal view and drag it sideways.
The upper horizontal line in the view represents the water surface.
• Horizontal dotted lines show the depth intervals. Use
Depth Dividers
on the
Cosmetics
menu to toggle these lines On or Off .
• The selected range is divided into identical distances. These are shown as dotted
circles. They are referred to as range rings .
• The distance and depth of the cursor location is shown in the lower right corner of
the view.
The current tilt is shown with a solid line. You can change the tilt angle by means
of the
Tilt
function on the
Main
menu. You can also click on the tilt line and drag it
up and down.
A line of X’es in the vertical views shows the bottom of the purse seine. The depth is
defined for the fishing gear you have chosen. Under
Fishing Gear
, select
Fishing Gear
Setup
to open the dialog box. For the selected purse, select a depth value. Use
Purse
Depth
on the
Cosmetics
menu to toggle this line On or Off .
The
Cosmetics
menu controls which "cosmetic" features that used.
Simrad ST90 Reference Manual