Bedienungsanleitung Garmin GPSMAP 820xs (Seite 24 von 46) (Englisch)

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Adjusting the Appearance of the RealVü Sonar Views

From a RealVü sonar view, select MENU

Select an option:

• To adjust the depth at which the color palette starts over,

select Palette Depth

, and select an option.

• To select a different color palette for the sonar return

points, select Sonar Setup >

Point Colors

, and select an

option.

• To select a different color palette for the bottom, select

Sonar Setup > Bottom Colors, and select an option.

• To select a different style for the bottom, select Sonar

Setup

> Bottom Style

, and select an option.

• To hide or show the color legend on the side of the

screen, select Sonar Setup > Color Key.

Adjusting the RealVü Sweep Speed

You can update how quickly the transducer sweeps back and

forth. A faster sweep rate creates a less detailed image, but the

screen refreshes faster. A slower sweep rate creates a more

detailed image, but the screen refreshes more slowly.

NOTE: This feature is not available for the RealVü 3D Historical

sonar view.

From a

RealVü sonar view, select

MENU >

Sweep Speed

Select an option.

Turning On the A-Scope

NOTE:

This feature is not available in all sonar views.

The a-scope is a vertical flasher along the right side of the full-

screen sonar view. This feature expands the most recently

received sonar data so that it is easier to see. It can also be

helpful for detecting fish that are close to the bottom.

From a sonar view, select

> Sonar Setup >

Appearance > A-Scope

Selecting the Transducer Type

Before you can select the transducer type, you must know what

kind of transducer you have.

If you are connecting a transducer that was not included with the

chartplotter, you may need to set the transducer type to make

the sonar function properly. If the device automatically detected

your transducer, this option does not appear.

From a sonar view, select MENU >

Sonar Setup >

Installation > Transducer Type

Select an option:

• If you have a 200/77 kHz, dual-beam transducer, select

Dual Beam (200/77 kHz).

• If you have a 200/50 kHz, dual-frequency transducer,

select

Dual Frequency (200/50 kHz).

• If you have another type of transducer, select it from the

list.

Sonar Setup

NOTE: Not all options and settings apply to all models, sounder

modules, and transducers.

Sonar Settings

NOTE: Not all options and settings apply to all models, sounder

modules, and transducers.

From a sonar view, select MENU

> Sonar Setup

Depth Line: Shows a quick-reference depth line.

Scroll Speed: Sets the rate at which the sonar scrolls from right

to left.

In shallow water you might want to slow the scroll speed to

extend the length of time the information is displayed on

screen. In deeper water you can increase the scroll speed.

Range Lines: Shows the vertical lines indicating the distance to

the right and left of the boat. This setting is available for

SideVü sonar view.

Color Scheme: Sets the color scheme of the sonar view. This

setting might be available in the Appearance menu.

The high contrast color schemes provide darker color

assignments to the low intensity returns. The low contrast

color schemes provide color assignments to the low intensity

returns that are similar to the background color.

Appearance: See Sonar Appearance Settings.

Overlay Numbers: Sets the data shown on the sonar screen.

Advanced: See Advanced Sonar Settings.

Installation: Restores the default sonar settings.

RealVü Sonar Settings

From a

RealVü sonar view, select

> Sonar Setup

Point Colors: Sets a different color palette for the sonar return

points.

Bottom Style: Sets the style for the bottom. When you are in

deep water, you can set this setting to the Points and

manually set the range shallower.

Bottom Colors: Sets the color scheme for the bottom.

Color Key: Shows a legend of the depths the colors represent.

Overlay Numbers: Sets the data shown on the sonar screen.

Installation: Configures the transducer (Transducer Installation

Settings).

LiveVü

Sonar Settings

From a

LiveVü sonar view, select

> Sonar Setup

Color Scheme: Sets the color palette.

Trails: Sets the how long the trails appear on the screen. The

trails show the movement of the target.

Grid Overlay: Shows a grid of range lines.

Noise Rejection: Reduces the interference and the amount of

clutter shown on the sonar screen.

Scroll History: Shows the sonar history in a traditional sonar

view.

Overlay Numbers: Sets the data shown on the sonar screen.

Installation: Configures the transducer (Transducer Installation

Settings).

Sonar Appearance Settings

From a sonar view, select MENU > Sonar Setup

Appearance

Color Scheme: Sets the color scheme.

Edge: Highlights the strongest signal from the bottom to help

define the hardness or softness of the signal.

A-Scope: Displays a vertical flasher along the right side of the

screen that shows instantaneously the range to targets along

a scale.

Pic. Advance: Allows the sonar picture to advance faster by

drawing more than one column of data on the screen for

each column of sounder data received. This is especially

helpful when you are using the sounder in deep water,

because the sonar signal takes longer to travel to the water

bottom and back to the transducer.

The 1/1 setting draws one column of information on the

screen per sounder return. The 2/1 setting draws two

columns of information on the screen per sounder return, and

so on for the 4/1 and 8/1 settings.

Fish Symbols: Sets how the sonar interprets suspended

targets.

18 Sonar

Garmin GPSMAP 820xs Seite 24

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