Manual Garmin GPSMAP 557 (page 22 of 48) (English)

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RealVü 3D Down Sonar View

This sonar view shows a three-dimensional view of what is

below the transducer and can be used when you are stationary

and want to see what is around your boat.

RealVü 3D Historical Sonar View

This sonar view provides a three-dimensional view of what is

behind your boat as you are moving and shows the entire water

column in 3D, from the bottom to the top of the water. This view

is used for finding fish.

Color legend

Boat

Range

Bottom

Structure

Fish

Changing the Sonar View

From a combination screen with sonar, select Menu > Edit

Combination.

Select the window to change.

Select a sonar view.

Creating a Waypoint on the Sonar Screen

Using the Touchscreen

From a sonar view, select a location.

Select .

If necessary, edit the waypoint information.

Creating a Waypoint on the Sonar Screen

Using the Device Keys

From a sonar view, use the arrow keys to select a location to

save.

Select SELECT.

If necessary, edit the waypoint information.

Measuring Distance on the Sonar Screen

You can measure the distance between two points on the

SideVü sonar view.

From the SideVü sonar view, select a location on the screen.

Select .

A push pin appears on the screen at the selected location.

Select another location.

The distance and angle from the pin is listed in the upper-left

corner.

TIP: To reset the pin and measure from the current location of

the pin, select .

Pausing the Sonar Display

From a sonar view, select Menu > Pause Sonar.

Viewing Sonar History

You can scroll the sonar display to view historical sonar data.

From a sonar view, select Menu > Pause Sonar.

Drag the screen or use the arrow keys.

Sonar Sharing

This feature may not be available on all chartplotter models.

You can view the sonar data from other chartplotters with a built-

in sonar module connected on the Garmin Marine Network.

Each chartplotter on the network can display sonar data from

every compatible sonar module and transducer on the network,

no matter where the chartplotters and transducers are mounted

on your boat. For example, from a transducer with DownVü

mounted at the back of the boat, you can view the sonar data

using the GPSMAP 741 mounted at the front of your boat.

Chartplotters can display only compatible types of sonar. For

example, GPSMAP 547 models can display traditional and

DownVü data, but not SideVü data.

When sharing sonar data, the values of some sonar settings,

such as Range and Gain, are synchronized across the devices

on the network. The values of other sonar settings, such as the

Appearance settings, are not synchronized and should be

configured on each individual device. In addition, the scroll rates

of the various traditional and DownVü sonar views are

synchronized to make the split views more cohesive.

NOTE: Using multiple transducers simultaneously can create

cross talk, which can be removed by adjusting the Interference

sonar setting.

Selecting a Sonar Source

This feature may not be available with all models.

When you are using more than one sonar data source for a

particular sonar view, you can select the source to use for that

sonar view. For example, if you have two sources for DownVü,

you can select the source to use from the DownVü sonar view.

Open the sonar view for which you will change the source.

Select Menu > Sonar Setup > Source.

Select the source for this sonar view.

Renaming a Sonar Source

You can rename a sonar source to easily identify that source.

For example, you use "Bow" as the name of the transducer on

the bow of your boat.

The source is renamed for the present view only. For example,

to rename the DownVü sonar source, you must open the

DownVü sonar view.

From the sonar view, select Menu > Sonar Setup > Source

> Rename Sources.

Enter the name.

Customizing the Overlay Numbers

You can customize the data shown on the sonar screen of some

chartplotter models.

NOTE: Not all options are available on all models.

From a sonar view, select Menu > Sonar Setup > Overlay

Numbers.

If necessary, select the numbers to customize.

Select the toggle to show or hide each data item.

Select Back to customize more data.

NOTE: You can also show or hide the compass tape and

navigation inset.

Select Done.

16 Sonar

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Others manual(s) of Garmin GPSMAP 557

Garmin GPSMAP 557 Installation Guide - German - 12 pages

Garmin GPSMAP 557 User Manual - German - 84 pages

Garmin GPSMAP 557 User Manual - German - 72 pages

Garmin GPSMAP 557 Installation Guide - Dutch - 8 pages

Garmin GPSMAP 557 User Manual - Dutch - 84 pages

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Garmin GPSMAP 557 Manual

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