Furuno 1763C, 1753C, 1742, 1733C, 1752, 1723C, 1762C Advancement synchronized with ship’s speed

4. VIDEO SOUNDER OPERATION

4.10.2Advancement 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.

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 PRR LEVEL.

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

4.Use the cursor pad to select SPD SENSING PRR.

5.Press the ENTER soft key.

6.Press the [MENU] key to close the menu.

Note: Use the same speed data (SOG or STW) throughout the network for smooth advancement of the sounder picture.

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