Garmin echoMAP CHIRP 74sv Benutzeranleitung

You can indicate which frequencies appear on the sonar screen.

From a sonar view, select MENU > Frequency.

Select a frequency suited to your needs and water depth.
For more information on frequencies, see 

.

NOTE: Not available with all transducers.
You can create a preset to save a specific sonar frequency, 

which allows you to change frequencies quickly.

From a sonar view, select MENU > Frequency.

Select Add.

Enter a frequency.

NOTE: Not all models support Panoptix transducers.

From a LiveVü sonar view, select MENU > Sonar Setup.

Select an option:
• To change the colors of the sonar view, select Color 

Scheme, and select an option.

• To adjust the length of the trails that show target 

movement, select Trails, and select an option.

• To distinguish the bottom from the water by coloring the 

bottom brown, select Bottom Fill.

• To show or hide the range grid lines, select Grid Overlay.
• To hide or show the history on the side of the screen, 

select Scroll History.

You can change the LiveVü transducer transmit angle to aim the 

transducer at a particular area of interest. For example, you 

might aim the transducer to follow a bait ball or focus on a tree 

as you pass it.

From a LiveVü sonar view, select MENU > Transmit Angle.

Select an option.

You can change the viewing angle of the RealVü sonar views. 

You can also zoom in and out of the view.

From a RealVü sonar view, select an option:
• To adjust the viewing angle diagonally, select 

.

• To adjust the viewing angle horizontally, select 

.

• To adjust the viewing angle vertically, select  .
• To adjust the viewing angle, swipe the screen in any 

direction.

• To zoom in, spread two fingers apart.
• To zoom out, pinch two fingers together.

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.

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.

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 MENU > Sonar Setup > 

Appearance > A-Scope.

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

kind of transducer you have.
This chartplotter is compatible with the Garmin ClearVü 

transducer as well as a range of accessory transducers 

including Garmin GT transducers, which are available at 

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.

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

transducers.

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 

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Sonar