Garmin echomap 90 series Manuale d'uso - Pagina 26

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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

FrontVü Sonar View

The Panoptix FrontVü sonar view increases your situational

awareness by showing obstructions under the water, up to

91 meters (300 feet) in front of the boat.

The ability to effectively avoid forward collisions with FrontVü

sonar decreases as your speed rises above 8 knots.

To see the FrontVü sonar view, you must install and connect a

compatible transducer, such as a PS21 transducer. You may

need to update the transducer software.

Selecting the Transducer Type

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

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

sonar function properly. Before connecting the transducer, you

should select the transducer type. The transducer name should

be listed on the label on the transducer cable, near the

connector.

This device is compatible with a range of accessory transducers,

including Garmin ClearVü transducers, which are available at

garmin.com/transducers.

Select Settings > My Vessel > 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.

Calibrating the Compass

Before you can calibrate the compass, the transducer must be

installed on the shaft far enough away from the trolling motor to

avoid magnetic interference, and deployed in the water.

Calibration must be of sufficient quality to enable the internal

compass.

NOTE: To use the compass, you must mount the transducer on

the shaft. The compass does not work when you mount the

transducer on the motor.

NOTE: Compass calibration is available only for transducers

with an internal compass, such as the PS21-TR transducer.

You can begin turning your boat before calibrating, but you must

fully rotate your boat 1.5 times during calibration.

From an applicable sonar view, select MENU > Sonar Setup

> Installation.

If necessary, select Use AHRS to turn on the AHRS sensor.

Select Calibrate Compass.

Follow the on-screen instructions.

Creating a Waypoint on the Sonar Screen

From a sonar view, select MENU > Pause Sonar.

Select a location.

Select New Waypoint or SELECT.

If necessary, edit the waypoint information, such as the

waypoint name.

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.

NOTE: Not all transducers save historical sonar data.

From a sonar view, hold to scroll through the history.

From a sonar view, drag the screen to the right.

Select BACK to exit history.

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 Garmin

ClearVü mounted at the back of the boat, you can view the

sonar data using the 93sv mounted at the front of your boat.

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 Garmin ClearVü 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 Garmin

ClearVü, you can select the source to use from the Garmin

ClearVü sonar view.

Sonar Fishfinder