3. VERTICAL MODE
3-4
3.2.2
Trackball mark position reference mark
The trackball mark position reference mark, a solid circle, is inscribed on the
vertical bearing mark when the trackball mark is placed in the vertical display. Its
purpose is to show corresponding trackball mark position on the horizontal
display. It changes position with trackball mark position, tilt and range, and
disappears when its position is no longer within the range of the horizontal
display.
VERTICAL
DISPLAY
Trackball mark
Trackball
mark position
reference
mark
V
Vertical
bearing
mark
Tilt mark
V (Vertical 1), or
1 or 2 (Vertical 2)
Figure 3-4 Vertical bearing mark, trackball mark position reference mark
.
3.3
Vertical Mode Concept
The vertical mode shows a vertical section of the horizontal display selected with
the vertical bearing mark. The figure below illustrates the concept of the vertical
mode, in comparison with the horizontal mode. The vertical mode helps you
keep fast moving fish such as bonito and tuna within the sonar beam.
Horizontal Mode Vertical Mode
H-Beam
V- Beam
Figure 3-5 Vertical mode concept
Summary of Contents for FSV-24
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