Cross Section Display Operations; How To Switch Between Tx And Stby; How To Show Or Hide The Grid; Zoom Display - Furuno DFF-3D Operator's Manual

4. OPERATION
4.4

Cross Section Display Operations

This section covers the functions available with the cross section display. For the
menu items shared with the conventional fish finder, see the applicable Operator's
Manual.
4.4.1

How to switch between TX and STBY

Tap the cross section display to show the pop-up menu. Select [TX] to start transmit-
ting. [ST-BY] appears at the center of the screen when transmission is stopped.
4.4.2

How to show or hide the grid

The grid, which is useful for measuring the distance to a target, can be shown or hid-
den as follows.
1. Tap the cross section display to show the pop-up menu.
2. Select [Grid] to show the grid.
4.4.3

Zoom display

The seabed echo can be zoomed.
1. Tap the cross section display to show the pop-up menu.
2. Select [Zoom] to zoom the seabed echo. Select [Zoom] again to restore the nor-
mal display.
Zoomed display
4.4.4

How to smooth echoes (distance)

If echoes are "disconnected" because of an undulating seabed, change the setting to
[Low], [Medium] or [High] as necessary. Smoothing is done in the range direction to
smooth the echo presentation.
1. Select [Menu] from the menu icon bar to show the menu.
2. Select [Multibeam Sonar].
3. Select [Echo Smoothing (Distance)].
4. Select [Low], [Medium] or [High] as required. The default setting is [Medium]. Se-
lect [OFF] to stop smoothing.
5. Select [Close] to close the pop-up menu.
4-8
Normal display