Furuno 1943, 1933, 1833 manual Advancement synchronized with ship’s speed

4. VIDEO SOUNDER OPERATION

4.9.2Advancement synchronized with ship’s speed

With speed data provided by a speed-measuring device, picture advance speed may be automatically synchronized with ship’s speed. As shown in the figure below the horizontal scale of the display is not influenced with the speed-dependent picture advance mode active, thus it permits judgment of fish school size and abundance at any speed. With the advancement synchronized with ship’s speed the picture advance speed setting (on the previous page) is ignored.

Fish school shrinks as speed is increased; expanded

as speed is decreased.

Same size fish schools

FULL HALF

Speed SPEED SPEED

Actual Movement

Normal Mode

Fish schools are shown same size regardless of ship’s speed.

Speed-Dependent Picture Advance Mode

How the speed-dependent picture advance mode works

Activating/deactivating the speed-dependent picture advance mode

1.Press the [MENU] key followed by the SOUNDER MENU soft key.

2.Select SPD SENSING PIC ADV.

3.Press the EDIT soft key to open the setting window.

4.Use the trackball to select ON or OFF (default setting) as appropriate.

5.Press the ENTER soft key followed by the [MENU] key to close the menu.

Note: Use the same speed data sentence (STG or STW) throughout the network for smooth advancement of the sounder picture. See the paragraph 6.5 for how to output data through the network.

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