5. 3D MODE
5-15
5.10
Cross-Section Function
The cross-section function shows the vertical or horizontal “slices” of 3D echoes.
To use the cross-section function, do as follows:
Note:
The cross-section and density calculation functions cannot be used simultane-
ously. One is automatically turned off when the other is activated.
1. Left-click the [XSECT ON/OFF] button to change the button label to “XSECT ON”
to activate the cross-section function.
The slice surface and the [XSECT] window appears. The [XSECT] window shows
the echoes of the slice surface.
The slice direction (vertical or horizontal) depends on the setting for [1 Cross-Sec-
tion Movement] on the [School Cross-Section] menu. See section 5.15.1.
• [1 Cross-Section Movement] = [Surface-Based]: Shows the slices that are hor-
izontal with the sea surface.
• [1 Cross-Section Movement] = [Scale-Based]: Shows the slices that are vertical
to the sea surface.
Note:
The following figure shows the display example when [1 Scale Refer-
ence] on the [Depth Scale] menu is set to [VERT - Bow] or [OFF]. For details of
[1 Scale Reference], see section 5.13.5.
2. Spin the scrollwheel to adjust the slice surface position.
3. To deactivate the cross-section function and close the [XSECT] window, left-click
the [XSECT ON/OFF] button to change the button label to read “XSECT OFF”.
Slice surface
Slice surface
Echoes of the slice surface
Echoes of the slice surface
Depth for slice surface
Depth for slice surface
XSECT
Echoes of the slice surface
Echoes of the slice surface
XSECT
Slice surface (scale)
Slice surface (scale)
Содержание FSV-75
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Страница 234: ...INDEX IN 3 W Warning messages 10 5 X XSECT ON OFF button 5 6 Z Zoom in out 5 4 ...
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