Garmin Volvo penta User manual

right to change or improve its products and to make changes in the content of this manual without obligation to notify any person or organization of such

changes or improvements. Go to www.garmin.com for current updates and supplemental information concerning the use of this product.

Garmin®, the Garmin logo, BlueChart®, g2 Vision®, GPSMAP®, and MapSource® are trademarks of Garmin Ltd. or its subsidiaries, registered in the USA

and other countries. GMR™, GRID™, GXM™, HomePort™, and SmartMode™ are trademarks of Garmin Ltd. or its subsidiaries. These trademarks may not be

used without the express permission of Garmin.

Volvo Penta® is a registered trademark of Volvo Trademark Holding AB. NMEA®, NMEA 2000®, and the NMEA 2000 logo are registered trademarks of the

National Marine Electronics Association. The SDHC logo is a trademark of SD-3C, LLC. SiriusXM® is a registered trademark of SiriusXM Radio Inc.

Windows® is a registered trademark of Microsoft Corporation in the United States and other countries. All other trademarks, trade names, and copyrights are

the property of their respective owners.

Table of Contents

Introduction.................................................................... 1

Device Overview........................................................................ 1

Inserting a Memory Card........................................................... 1

Using the Touchscreen.............................................................. 1

Locking the Touchscreen...................................................... 1

Tips and Shortcuts..................................................................... 1

GPS Satellite Signals................................................................. 1

Stations and Station Layouts..................................................... 1

Customizing the Home Screen............................................. 2

Customizing the Layout of a Page........................................ 2

Linking a Layout to the Control and Joystick Buttons........... 2

Resetting the Station Layouts............................................... 2

Adjusting the Backlight............................................................... 2

Adjusting the Color Mode........................................................... 2

Charts and 3D Chart Views........................................... 2

Chart Symbols........................................................................... 2

Showing a Different Chart.......................................................... 3

Zooming In and Out Using the Touchscreen............................. 3

Viewing Location and Object Information on a Chart................. 3

Navigating to a Point on the Chart............................................. 3

Viewing Details about Navaids.................................................. 3

Premium Charts......................................................................... 3

Viewing Tide Station Information.......................................... 3

Animated Tide and Current Indicators.............................. 4

Showing and Configuring Tides and Currents.................. 4

Showing Satellite Imagery on the Navigation Chart.............. 4

Viewing Aerial Photos of Landmarks.................................... 4

Automatic Identification System................................................. 4

AIS Targeting Symbols......................................................... 4

Heading and Projected Course of Activated AIS Targets..... 4

Showing AIS and MARPA Vessels on a Chart or on a 3D

Chart View............................................................................. 5

Activating a Target for an AIS Vessel................................... 5

Viewing Information about a Targeted AIS Vessel........... 5

Deactivating a Target for an AIS Vessel.......................... 5

Viewing a List of AIS and MARPA Threats........................... 5

Setting the Safe-Zone Collision Alarm.................................. 5

AIS Distress Signals.............................................................. 5

Navigating to a Distress Signal Transmission.................. 5

AIS Distress Signal Device Targeting Symbols................ 5

Enabling AIS Transmission Test Alerts............................ 5

Turning Off AIS Reception.................................................... 6

Chart and 3D Chart View Settings............................................. 6

Navigation and Fishing Chart Setup..................................... 6

Waypoints and Tracks Settings on the Charts and Chart

Views..................................................................................... 6

Chart Appearance Settings................................................... 6

Other Vessels Settings on the Charts and Chart Views........ 6

Fish Eye 3D Settings............................................................. 6

Navigation with a Chartplotter...................................... 7

Basic Navigation Questions....................................................... 7

Destinations............................................................................... 7

Searching for a Destination by Name................................... 7

Selecting a Destination Using the Navigation Chart............. 7

Searching for a Marine Services Destination........................ 7

Searching for a Volvo Penta Dealer...................................... 7

Courses...................................................................................... 7

Setting and Following a Direct Course Using Go To............. 7

Setting and Following a Course Using Auto Guidance......... 7

Stopping Navigation................................................................... 8

Waypoints.................................................................................. 8

Marking Your Present Location as a Waypoint..................... 8

Creating a Waypoint at a Different Location......................... 8

Marking and Starting Navigation to an MOB Location.......... 8

Viewing a List of all Waypoints.............................................. 8

Editing a Saved Waypoint..................................................... 8

Moving a Saved Waypoint.................................................... 8

Browsing for and Navigating to a Saved Waypoint............... 8

Deleting a Waypoint or an MOB............................................ 8

Deleting All Waypoints.......................................................... 8

Routes........................................................................................ 8

Creating and Navigating a Route From Your Present

Location................................................................................. 8

Creating and Saving a Route................................................ 9

Viewing a List of Routes........................................................ 9

Editing a Saved Route.......................................................... 9

Browsing for and Navigating a Saved Route........................ 9

Browsing for and Navigating Parallel to a Saved Route....... 9

Deleting a Saved Route........................................................ 9

Deleting All Saved Routes.................................................... 9

Tracks........................................................................................ 9

Showing Tracks..................................................................... 9

Setting the Color of the Active Track..................................... 9

Saving the Active Track........................................................ 9

Viewing a List of Saved Tracks........................................... 10

Editing a Saved Track......................................................... 10

Saving a Track as a Route.................................................. 10

Browsing for and Navigating a Recorded Track.................. 10

Deleting a Saved Track....................................................... 10

Deleting All Saved Tracks................................................... 10

Retracing the Active Track.................................................. 10

Clearing the Active Track.................................................... 10

Managing the Track Log Memory During Recording.......... 10

Configuring the Recording Interval of the Track Log........... 10

Deleting All Saved Waypoints, Routes, and Tracks................. 10

Sonar............................................................................. 10

Changing the Sonar View........................................................ 10

Pausing the Sonar Display....................................................... 10

Creating a Waypoint on the Sonar Screen.............................. 10

Adjusting the Gain on the Sonar Screen.................................. 10

Adjusting the Range of the Depth Scale.................................. 10

Setting the Zoom Level on the Sonar Screen.......................... 11

Selecting Frequencies............................................................. 11

Turning On the A-Scope.......................................................... 11

Sonar Setup ............................................................................ 11

Sonar Settings..................................................................... 11

Sonar Noise Rejection Settings.......................................... 11

Sonar Appearance Settings................................................ 11

Sonar Alarm Settings.......................................................... 11

Advanced Sonar Settings.................................................... 11

Transducer Installation Settings.......................................... 12

Radar............................................................................. 12

Radar Display Modes............................................................... 12

Changing the Radar Mode....................................................... 12

Transmitting Radar Signals...................................................... 12

Adjusting the Zoom Scale on the Radar Screen...................... 12

Tips for Selecting a Radar Zoom Scale.............................. 12

Marking a Waypoint on the Radar Screen............................... 12

Sentry Mode............................................................................. 12

Enabling Timed Transmit.................................................... 12

Setting the Standby and Transmit Times............................ 13

Enabling a Guard Zone....................................................... 13

Defining a Circular Guard Zone.......................................... 13

Defining a Partial Guard Zone............................................. 13

Radar Targeting and MARPA.................................................. 13

MARPA Targeting Symbols................................................ 13

Assigning a MARPA Tag to an Object................................ 13

Viewing Information about a MARPA-tagged Object..... 13

Table of Contents i

Removing a MARPA Tag from a Targeted Object......... 13

Viewing a List of AIS and MARPA Threats......................... 13

Showing AIS Vessels on the Radar Screen........................ 13

VRM and EBL..................................................................... 13

Showing the VRM and the EBL...................................... 14

Adjusting the VRM and the EBL..................................... 14

Measuring the Range and Bearing to a Target Object... 14

Radar Overlay.......................................................................... 14

Radar Overlay and Chart Data Alignment........................... 14

Showing the Radar Overlay................................................ 14

Stopping the Transmission of Radar Signals........................... 14

Optimizing the Radar Display.................................................. 14

Range of Radar Signals...................................................... 14

Radar Gain and Clutter....................................................... 14

Automatically Adjusting Gain on the Radar Screen....... 14

Manually Adjusting Gain on the Radar Screen.............. 14

Minimizing Nearby Large-Object Interference................ 15

Minimizing Side-Lobe Interference on the Radar

Screen............................................................................ 15

Adjusting Sea Clutter on the Radar Screen................... 15

Adjusting Rain Clutter on the Radar Screen.................. 15

Reducing Cross Talk Clutter on the Radar Screen........ 15

Radar Display Settings........................................................ 15

Radar Appearance Settings................................................ 15

Front-of-Boat Offset............................................................ 15

Measuring the Potential Front-of-Boat Offset................. 15

Setting the Front-of-Boat Offset..................................... 15

Autopilot....................................................................... 16

Autopilot Configuration and Commissioning............................ 16

Setting the Power Saver..................................................... 16

Engaging the Autopilot........................................................ 16

Enabling Shadow Drive™.............................................. 16

Adjusting the Heading with the Helm............................. 16

Adjusting the Step Steering Increment........................... 16

Autopilot Screen....................................................................... 16

Steering Patterns..................................................................... 16

Following the U-Turn Pattern.............................................. 16

Setting Up and Following the Circles Pattern...................... 16

Setting Up and Following the Zigzag Pattern...................... 16

Following the Williamson Turn Pattern................................ 16

Following an Orbit Pattern................................................... 16

Setting Up and Following the Cloverleaf Pattern................ 17

Setting Up and Following a Search Pattern........................ 17

Cancelling a Steering Pattern............................................. 17

Digital Selective Calling.............................................. 17

Networked Chartplotter and VHF Radio Functionality............. 17

Turning On DSC...................................................................... 17

DSC List................................................................................... 17

Viewing the DSC List.......................................................... 17

Adding a DSC Contact........................................................ 17

Incoming Distress Calls........................................................... 17

Navigating to a Vessel in Distress....................................... 17

Man-Overboard Distress Calls Initiated from a VHF Radio. 17

Man-Overboard Distress Calls Initiated from the

Chartplotter......................................................................... 17

Position Tracking..................................................................... 17

Viewing a Position Report................................................... 18

Navigating to a Tracked Vessel.......................................... 18

Creating a Waypoint at the Position of a Tracked Vessel... 18

Editing Information in a Position Report.............................. 18

Deleting a Position-Report Call........................................... 18

Viewing Vessel Trails on the Chart..................................... 18

Individual Routine Calls........................................................... 18

Selecting a DSC Channel................................................... 18

Making an Individual Routine Call....................................... 18

Making an Individual Routine Call to an AIS Target............ 18

Gauges and Graphs..................................................... 18

Viewing the Gauges................................................................. 18

Customizing the Data Shown in the Gauges...................... 18

Setting the Gauge Range.................................................... 18

Synchronizing the Fuel Data with the Actual Vessel Fuel... 18

Setting the Fuel Alarm......................................................... 19

Viewing Graphs........................................................................ 19

Setting the Graph Range and Time Scales......................... 19

Tide, Current, and Celestial Information....................19

Tide Station Information........................................................... 19

Current Station Information...................................................... 19

Celestial Information................................................................ 19

Viewing Tide Station, Current Station, or Celestial Information

for a Different Date................................................................... 19

Viewing Information for a Different Tide or Current Station..... 19

Viewing Almanac Information from the Navigation Chart........ 19

Warning Manager......................................................... 19

Viewing Messages................................................................... 19

Sorting and Filtering Messages............................................... 19

Saving Messages to a Memory Card....................................... 19

Clearing all of the Messages.................................................... 19

Viewing Video...............................................................19

Selecting a Video Source......................................................... 19

Alternating Among Multiple Video Sources.............................. 20

Configuring the Video Appearance.......................................... 20

Configuring the PC Display...................................................... 20

Exiting PC Display Mode..................................................... 20

SiriusXM®..................................................................... 20

SiriusXM Equipment and Subscription Requirements............. 20

Weather Data Broadcasts........................................................ 20

Changing the Weather Chart................................................... 20

Viewing Precipitation Information............................................. 20

Precipitation Views.............................................................. 20

Storm Cell and Lightning Information....................................... 20

Hurricane Information.............................................................. 21

Weather Warnings and Weather Bulletins............................... 21

Forecast Information................................................................ 21

Viewing Forecast Information for Another Time Period...... 21

Weather Fronts and Pressure Centers............................... 21

Viewing a Marine Forecast or an Offshore Forecast........... 21

City Forecasts..................................................................... 21

Viewing Sea Conditions........................................................... 21

Surface Winds..................................................................... 21

Wave Height, Wave Period, and Wave Direction................ 22

Viewing Forecast Sea Conditions Information for Another

Time Period......................................................................... 22

Viewing Fishing Information..................................................... 22

Surface Pressure and Water Temperature Data................. 22

Forecasting Fish Locations................................................. 22

Visibility Information................................................................. 22

Viewing Forecast Visibility Information for Another Time

Period.................................................................................. 22

Viewing Buoy Reports.............................................................. 22

Viewing Local Weather Information near a Buoy................ 22

Creating a Waypoint on a Weather Chart................................ 22

Weather Overlay...................................................................... 22

Turning On the Weather Overlay on a Chart...................... 23

Weather Overlay Settings on the Navigation Chart............ 23

Weather Overlay Settings on the Fishing Chart.................. 23

Viewing Weather Subscription Information.............................. 23

SiriusXM Radio........................................................................ 23

Customizing the Channel Guide......................................... 23

Saving a SiriusXM Channel to the Presets List................... 23

ii Table of Contents

Adjusting SiriusXM Satellite Radio Volume......................... 23

Device Configuration................................................... 23

Turning On the Chartplotter Automatically............................... 23

System Settings....................................................................... 23

Viewing System Software Information................................ 23

Viewing the Event Log........................................................ 23

Station Settings................................................................... 23

Preferences Settings................................................................ 23

Units Settings...................................................................... 23

Navigation Settings............................................................. 23

Auto Guidance Line Configurations................................ 24

Communications Settings ....................................................... 24

NMEA 0183 Settings........................................................... 24

Configuring NMEA 0183 Output Sentences................... 25

Setting the Communication Format for Each NMEA 0183

Port................................................................................. 25

NMEA 2000 Settings........................................................... 25

Garmin Marine Network...................................................... 25

EVC Network....................................................................... 25

Setting Alarms.......................................................................... 25

Navigation Alarms............................................................... 25

System Alarms.................................................................... 25

Setting the Fuel Alarm......................................................... 25

Setting Weather Alarms...................................................... 25

My Vessel Settings ................................................................. 25

Setting the Keel Offset........................................................ 25

Setting the Water Temperature Offset................................ 26

Calibrating a Water Speed Device...................................... 26

Adding a Key....................................................................... 26

Setting the Speed Factor.................................................... 26

Fuel Tank Settings.............................................................. 26

Other Vessels Settings............................................................ 26

Restoring the Original Chartplotter Factory Settings............... 26

Chartplotter Data Management...................................26

Copying Waypoints, Routes, and Tracks to a Chartplotter...... 26

Copying Data from a Memory Card......................................... 27

Copying Waypoints, Routes, and Tracks to a Memory Card... 27

Copying Waypoints, Routes, and Tracks to or from all

Chartplotters on the Network................................................... 27

Copying Built-In Maps to a Memory Card................................ 27

Backing Up Data to a Computer.............................................. 27

Restoring Backup Data to a Chartplotter................................. 27

Saving System Information to a Memory Card........................ 27

Appendix.......................................................................27

Registering Your Device.......................................................... 27

Loading the New Software on a Memory Card........................ 27

Updating the Device Software................................................. 27

Screenshots............................................................................. 28

Capturing Screenshots........................................................ 28

Copying Screenshots to a Computer.................................. 28

NMEA 0183 Information........................................................... 28

NMEA 2000 PGN Information.................................................. 28

Software License Agreement................................................... 28

Index..............................................................................30

Table of Contents iii

Introduction

WARNING

See the Important Safety and Product Information guide in the

product box for product warnings and other important

information.

After more than 100 years in the maritime industry, the name

Volvo Penta has come to symbolize reliability, technical

innovation, first-class performance, and long life. We believe

that these qualities correspond well to the demands and

expectations you have of your Volvo Penta product.

The Volvo Penta Glass Cockpit, designed in a collaboration

between Volvo Penta and Garmin®, has a new user interface

that includes instrumentation for navigation and

communications equipment. The monitors are fully integrated

with Volvo Penta drive systems and other instruments.

In order for you to enjoy everything you would expect from the

product, we ask that you read through the instruction manual

carefully and take note of our advice on boat operations and

maintenance before you make your first trip. Pay attention to the

safety instructions in the manual.

We would also like to welcome you to our world-wide network of

distributors and repair shops, which can help you with technical

advice, service, and spare parts.

The Garmin website at www.garmin.com presents up-to-date

information about your product. The support pages will provide

answers to frequently asked support questions, and you can

download software and chart updates. There is also contact

information to Garmin support should you have any questions.

You can locate your nearest Volvo Penta dealer through the

integrated dealer locator in the Glass Cockpit or by visiting our

website at www.volvopenta.com.

Welcome aboard!

Device Overview

The location of items varies based upon the model.

ÀPower key

ÁAutomatic backlight sensor

ÂStatus bar that shows active alarms and functions

Inserting a Memory Card

You can use optional memory cards in the chartplotter. Map

cards allow you to view high-resolution satellite imagery and

aerial reference photos of ports, harbors, marinas, and other

points of interest. You can use blank memory cards to transfer

data such as waypoints, routes, and tracks to another

compatible chartplotter or a computer.

1Open the door À on the memory card reader.

2Insert the memory card Á with the label facing away from the

door.

3Press the card in until it clicks.

4Close the card reader door.

Using the Touchscreen

• Tap the screen to select an item.

• Drag or swipe your finger across the screen to pan or scroll.

• Pinch two fingers together to zoom out.

• Spread two fingers apart to zoom in.

Locking the Touchscreen

You can lock the touchscreen to prevent inadvertent screen

touches.

1Select .

2Select Lock Touchscreen.

Tips and Shortcuts

• Select Home from any screen to return to the Home screen.

• Select Menu from any main screen to access additional

settings about that screen.

• Press to adjust the backlight and lock the touchscreen.

• Hold to turn the chartplotter on or off.

GPS Satellite Signals

When you turn on the chartplotter, the GPS receiver must

collect satellite data and establish the current location. When

the chartplotter acquires satellite signals, appears at the top

of the Home screen. When the chartplotter loses satellite

signals, disappears and a flashing question mark appears

over on the chart.

For more information about GPS, go to www.garmin.com

/aboutGPS.

Stations and Station Layouts

When multiple displays are installed on the Garmin Marine

Network, you can group them together into a station. A station

enables the displays to work together, rather than as several

separate displays.

When you select Home on one display, each display in the

station returns to the Home screen. With the SmartMode™

feature, when a button is selected from the Home screen, each

display in the station can show unique information. For

example, when Cruising is selected from the Home screen,

one display can show the Navigation chart and another display

can show the Radar screen.

You can customize the layout of the pages on each display,

making each page different on each display. When you change

the layout of a page in one display, the changes appear only on

that display. When you change the name and symbol of the

layout, those changes appear on all displays in the station, to

maintain a consistent appearance.

Introduction 1

Customizing the Home Screen

You can add items to and remove items from the Home screen.

Any customization made to one Home screen in the station

appears on all displays in the station.

1From the Home screen, select Menu.

2Select an option:

• To add an item to the Home screen, select Add Layout,

and select the item to add.

• To remove an item, select Delete Layout, and select the

item to remove.

Customizing the Layout of a Page

When you are using a multi-display station and you change the

layout of a page in the display you are interacting with, the

changes appear only on that display, except for the name and

symbol. If you change the name or symbol for the layout, that

change appears on all displays in the station.

1From the Home screen, select an item to edit.

2Select Menu > Edit Layout.

3Select an option:

• To change the name of the layout, select Name &

Symbol > Name, enter a new name, and select Done.

• To change the symbol for the layout, select Name &

Symbol > Symbol, and select a new symbol.

• To change the number of functions shown, select

Functions, and select a number.

• To change the vertical or horizontal orientation of a multi-

function display, select Split, and select an option.

• To change how data appears on the page, select

Overlays, and select an option.

• To change the type of data shown on the page, select

Overlays > Data, select an option, and follow the on-

screen instructions to change the data shown.

Linking a Layout to the Control and Joystick Buttons

You can link layouts to buttons on the control and joystick

buttons. When you press an assigned button, the linked layout

opens on the station screens.

1From the Home screen, select Menu > Link Layout.

2Select an item or button name.

3Select Select Layout.

4Select a layout to link to the item or button.

5If necessary, repeat steps 2–4 for the remaining buttons.

When you press the assigned button on the control or joystick,

the assigned layout opens on the station screens.

Resetting the Station Layouts

You can restore the factory default layouts for all stations.

Select Settings > System > Station Information > Reset

Layouts.

Adjusting the Backlight

1Select Settings > System > Beeper and Display >

Backlight.

TIP: Press from any screen to access the backlight

settings.

2Select an option:

• Adjust the backlight level.

• Select Enable Auto Backlight or Auto.

Adjusting the Color Mode

1Select Settings > System > Beeper and Display > Color

Mode.

2Select an option.

Charts and 3D Chart Views

The charts and 3D chart views that are available depend on the

map data and accessories used.

You can access the charts and 3D chart views by selecting

Charts.

Navigation Chart: Shows navigation data available on your

pre-loaded maps and from supplemental maps, if available.

The data includes buoys, lights, cables, depth soundings,

marinas, and tide stations in an overhead view.

Perspective 3D: Provides a view from above and behind the

boat (according to your course) and provides a visual

navigation aid. This view is helpful when navigating tricky

shoals, reefs, bridges, or channels, and is beneficial when

trying to identify entry and exit routes in unfamiliar harbors or

anchorages.

Mariner’s Eye 3D: Shows a detailed, three-dimensional view

from above and behind the boat (according to your course)

and provides a visual navigation aid. This view is helpful

when navigating tricky shoals, reefs, bridges, or channels,

and when trying to identify entry and exit routes in unfamiliar

harbors or anchorages.

NOTE: Mariner's Eye 3D and Fish Eye 3D chart views are

available with premium charts, in some areas.

Fish Eye 3D: Provides an underwater view that visually

represents the sea floor according to the chart information.

When a sonar transducer is connected, suspended targets

(such as fish) are indicated by red, green, and yellow

spheres. Red indicates the largest targets and green

indicates the smallest.

Fishing Chart: Provides a detailed view of the bottom contours

and depth soundings on the chart. This chart removes

navigational data from the chart, provides detailed

bathymetric data, and enhances bottom contours for depth

recognition. This chart is best for offshore deep-sea fishing.

NOTE: The offshore Fishing chart is available with premium

charts, in some areas.

Radar Overlay: Superimposes radar information on the

Navigation chart or the Fishing chart, when the chartplotter is

connected to a radar. This feature is not available with all

models.

Chart Symbols

This table contains some of the common symbols you might see

on the detailed charts.

Icon Description

Buoy

Information

Marine services

Tide station

Current station

Overhead photo available

Perspective photo available

Other features common to most charts include depth contour

lines, intertidal zones, spot soundings (as depicted on the

original paper chart), navigational aids and symbols,

obstructions, and cable areas.

2 Charts and 3D Chart Views

Showing a Different Chart

1From a chart or 3D chart view, select Menu > Chart Menu >

Change Chart.

2Select a chart or 3D chart view.

Zooming In and Out Using the Touchscreen

You can quickly zoom in and out of many screens, such as the

charts and sonar views.

• Pinch two fingers together to zoom out.

• Spread two fingers apart to zoom in.

Viewing Location and Object Information on

a Chart

You can view information about a location or an object on the

Navigation chart or the Fishing chart.

NOTE: The offshore Fishing chart is available with premium

charts, in some areas.

1From the Navigation chart or Fishing chart, select a location

or object.

A list of options appears along the right side of the chart. The

options that appear vary based on the location or object you

selected.

2Select an option:

• To view details of objects in the vicinity of the cursor,

select Review.

NOTE: Review does not appear if the cursor is not near

an object. If the cursor is near only one object, the name

of the object appears.

• To navigate to the selected location, select Navigate To.

• To mark a waypoint at the cursor location, select Create

Waypoint.

• To view the distance and bearing of the object from your

current location, select Measure Distance.

The distance and bearing appear on the screen. Select

Set Reference to measure from a location other than

your current location.

• To view tide, current, celestial, chart notes, or local

services information near the cursor, select Information.

Navigating to a Point on the Chart

CAUTION

The Auto Guidance feature is based on electronic chart

information. That data does not ensure obstacle and bottom

clearance. Carefully compare the course to all visual sightings,

and avoid any land, shallow water, or other obstacles that may

be in your path.

When using Go To, a direct course and a corrected course may

pass over land or shallow water. Use visual sightings, and steer

to avoid land, shallow water, and other dangerous objects.

NOTE: The offshore Fishing chart is available with premium

charts, in some areas.

NOTE: Auto Guidance is available with premium charts, in

some areas.

1From the Navigation chart or Fishing chart, select a location.

2If necessary, select Select.

3Select Navigate To.

4Select an option:

• To navigate directly to the location, select Go To.

• To create a route to the location, including turns, select

Route To.

• To use Auto Guidance, select Guide To.

5Review the course indicated by the magenta line.

NOTE: When using Auto Guidance, a gray segment within

any part of the magenta line indicates that Auto Guidance

cannot calculate part of the Auto Guidance line. This is due

to the settings for minimum safe water depth and minimum

safe obstacle height.

6Follow the magenta line, steering to avoid land, shallow

water, and other obstacles.

Viewing Details about Navaids

From the Navigation chart, Fishing chart, Perspective 3D chart

view, or Mariner’s Eye 3D chart view, you can view details

about various types of navigation aids, including beacons,

lights, and obstructions.

NOTE: The offshore Fishing chart is available with premium

charts, in some areas.

NOTE: Mariner's Eye 3D and Fish Eye 3D chart views are

available with premium charts, in some areas.

1From a chart or 3D chart view, select a navaid.

2If necessary, select Review.

3Select the name of the navaid.

Premium Charts

CAUTION

The Auto Guidance feature is based on electronic chart

information. That data does not ensure obstacle and bottom

clearance. Carefully compare the course to all visual sightings,

and avoid any land, shallow water, or other obstacles that may

be in your path.

Optional premium charts, such as BlueChart® g2 Vision®, allow

you to get the most out of your chartplotter. In addition to

detailed marine charting, premium charts may contain these

features, which are available in some areas.

Mariner’s Eye 3D: Provides a view from above and behind the

boat for a three-dimensional navigation aid.

Fish Eye 3D: Provides an underwater, three-dimensional view

that visually represents the sea floor according to the

information on the chart.

Fishing Charts: Shows the chart with enhanced bottom

contours and without navigational data. This chart works well

for offshore deep-sea fishing.

High Resolution Satellite Imagery: Provides high-resolution

satellite images for a realistic view of the land and water on

the Navigation chart (page 4).

Aerial Photos: Shows marinas and other navigationally

significant aerial photos to help you visualize your

surroundings (page 4).

Detailed Roads and POI data: Shows detailed road and point

of interest (POI) data, which includes highly detailed coastal

roads and POIs such as restaurants, lodging, local

attractions.

Auto Guidance: Uses specified safe depth, safe height, and

chart data to determine the best course to your destination.

Auto Guidance is available when you navigate to a

destination using Guide To.

Viewing Tide Station Information

on the chart indicates a tide station. You can view a detailed

graph for a tide station to help predict the tide level at different

times or on different days.

NOTE: This feature is available with premium charts, in some

areas.

1From the Navigation chart or Fishing chart, select a tide

station.

Charts and 3D Chart Views 3

Tide direction and tide level information appear near .

2Select an option to view additional station information:

• Select the station name.

• If more than one item is in the vicinity, select Review, and

select the station name.

Animated Tide and Current Indicators

NOTE: This feature is available with premium charts, in some

areas.

You can view indicators for animated tide station and current

direction on the Navigation chart or the Fishing chart. You must

also enable animated icons in the chart settings (page 4).

An indicator for a tide station appears on the chart as a vertical

bar graph with an arrow. A red arrow pointing downward

indicates a falling tide, and a blue arrow pointing upward

indicates a rising tide. When you move the cursor over the tide

station indicator, the height of the tide at the station appears

above the station indicator.

Current direction indicators appear as arrows on the chart. The

direction of each arrow indicates the direction of the current at a

specific location on the chart. The color of the current arrow

indicates the range of speed for the current at that location.

When you move the cursor over the current direction indicator,

the specific current speed at the location appears above the

direction indicator.

Color Current Speed Range

Yellow 0 to 1 knot

Orange 1 to 2 knots

Red 2 or more knots

Showing and Configuring Tides and Currents

NOTE: This feature is available with premium charts, in some

areas.

You can show static or animated tide and current station

indicators on the Navigation chart or Fishing chart.

1From the Navigation or Fishing chart, select Menu > Chart

Menu > Chart Setup > Tides & Currents.

2Select an option:

• To show current station indicators and tide station

indicators on the chart, select On.

• To show animated tide station indicators and animated

current direction indicators on the chart, select Animated.

Showing Satellite Imagery on the Navigation Chart

NOTE: This feature is available with premium charts, in some

areas.

You can overlay high-resolution satellite images on the land or

on both land and sea portions of the Navigation chart.

NOTE: When enabled, high-resolution satellite images are

present only at lower zoom levels. If you cannot see high-

resolution images in your optional chart region, you can select

to zoom in. You also can set the detail level higher by

changing the map zoom detail.

1From the Navigation chart, select Menu > Chart Menu >

Chart Setup > Photos.

2Select an option:

• Select Land Only to show standard chart information on

the water, with photos overlaying the land.

• Select Photo Map Blend to show photos on both the

water and the land at a specified opacity. Use the slider

bar to adjust the photo opacity. The higher you set the

percentage, the more the satellite photos cover both land

and water.

Viewing Aerial Photos of Landmarks

Before you can view aerial photos on the Navigation chart, you

must turn on the Photo setting in the chart setup.

NOTE: This feature is available with premium charts, in some

areas.

You can use aerial photographs of landmarks, marinas, and

harbors to help orient yourself to your surroundings or to

acquaint yourself with a marina or a harbor prior to arrival.

1From the Navigation chart, select a camera icon:

• To view an overhead photo, select .

• To view a perspective photo, select . The photo was

taken from the location of the camera, pointed in the

direction of the cone.

2Select Review > Aerial Photo.

Automatic Identification System

The Automatic Identification System (AIS) enables you to

identify and track other vessels, and alerts you to area traffic.

When connected to an external AIS device, the chartplotter can

show some AIS information about other vessels that are within

range, that are equipped with a transponder, and that are

actively transmitting AIS information. The information reported

for each vessel includes the Maritime Mobile Service Identity

(MMSI), location, GPS speed, GPS heading, time that has

elapsed since the last position of the vessel was reported,

nearest approach, and time to the nearest approach.

AIS Targeting Symbols

Symbol Description

AIS vessel. The vessel is reporting AIS information. The

direction in which the triangle is pointing indicates the

direction in which the AIS vessel is moving.

Target is selected.

Target is activated. The target appears larger on the chart. A

green line attached to the target indicates the heading of the

target. The MMSI, speed, and direction of the vessel appear

beneath the target, if the details setting has been set to

Show. If the AIS transmission from the vessel is lost, a

message banner appears.

Target is lost. A green X indicates that the AIS transmission

from the vessel is lost, and the chartplotter displays a

message banner asking whether the vessel should continue

to be tracked. If you discontinue vessel tracking, the lost

target symbol disappears from the chart or the 3D chart view.

Dangerous target in range. The target flashes while an alarm

sounds and a message banner appears. After the alarm has

been acknowledged, a solid red triangle with a red line

attached to it indicates the location and the heading of the

target. If the safe-zone collision alarm has been set to Off, the

target flashes, but the audible alarm does not sound and the

alarm banner does not appear. If the AIS transmission from

the vessel is lost, a message banner appears.

Dangerous target is lost. A red X indicates that the AIS

transmission from the vessel is lost, and the chartplotter

displays a message banner asking whether the vessel should

continue to be tracked. If you discontinue vessel tracking, the

lost dangerous target symbol disappears from the chart or the

3D chart view.

The location of this symbol indicates the closest point of

approach to a dangerous target, and the numbers near the

symbol indicate the time to the closest point of approach to

that target.

Heading and Projected Course of Activated AIS

Targets

When heading and course over ground information are provided

by an activated AIS target, the heading of the target appears on

a chart as a solid line attached to the AIS target symbol. A

heading line does not appear on a 3D chart view.

4 Charts and 3D Chart Views

The projected course of an activated AIS target appears as a

dashed line on a chart or a 3D chart view. The length of the

projected course line is based on the value of the projected

heading setting. If an activated AIS target is not transmitting

speed information, or if the vessel is not moving, a projected

course line does not appear. Changes in the speed, course over

ground, or rate of turn information transmitted by the vessel can

impact the calculation of the projected course line.

When course over ground, heading, and rate of turn information

are provided by an activated AIS target, the projected course of

the target is calculated based on the course over ground and

the rate of turn information. The direction in which the target is

turning, which is also based on the rate of turn information, is

indicated by the direction of the barb at the end of the heading

line. The length of the barb does not change.

When course over ground and heading information are provided

by an activated AIS target, but rate of turn information is not

provided, the projected course of the target is calculated based

on the course over ground information.

Showing AIS and MARPA Vessels on a Chart or on a

3D Chart View

Before you can show AIS vessels on a chart, you must have an

external AIS device and active transponder signals from other

vessels. Mini Automatic Radar Plotting Aid (MARPA)

functionality works with radar.

You can configure how other vessels appear on a chart or on a

3D chart view. The display range and MARPA settings

configured for one chart or one 3D chart view are applied only

to that chart or to that 3D chart view. The details, projected

heading, and trails settings configured for one chart or one 3D

chart view are applied to all charts and to all 3D chart views.

1From a chart or a 3D chart view, select Menu > Chart Menu

> Other Vessels > Display Setup.

2Select an option:

• To indicate the distance from your location in which AIS

vessels appear, select Display Range, and select a

distance.

• To show MARPA-tagged vessels, select MARPA >

Show.

• To show details about AIS-activated and MARPA-tagged

vessels, select Details > Show.

• To set the projected heading time for AIS-activated and

MARPA-tagged vessels, select Proj. Heading, and enter

the time.

• To show the tracks of AIS vessels, select the length of the

track that appears using a trail, select Trails, and select

the length.

Activating a Target for an AIS Vessel

1From a chart or a 3D chart view, select an AIS vessel.

2Select AIS Vessel > Activate Target.

Viewing Information about a Targeted AIS Vessel

You can view the AIS signal status, MMSI, GPS speed, GPS

heading, and other information that is reported about a targeted

AIS vessel.

1From a chart or a 3D chart view, select an AIS vessel.

2Select AIS Vessel.

Deactivating a Target for an AIS Vessel

1From a chart or a 3D chart view, select an AIS vessel.

2Select AIS Vessel > Deactivate.

Viewing a List of AIS and MARPA Threats

1From a chart or a 3D chart view, select Menu > Other

Vessels > AIS & MARPA List > Show.

2Select the type of threats to include in the list.

Setting the Safe-Zone Collision Alarm

Before you can set a collision alarm, you must have a

compatible chartplotter connected to an AIS device or radar.

The safe-zone collision alarm is used only with AIS and

MARPA. MARPA functionality works with radar. The safe zone

is used for collision avoidance and can be customized.

1Select Settings > Alarms > AIS > Collision Alarm > On.

A message banner appears and an alarm sounds when a

MARPA-tagged object or an AIS-activated vessel enters the

safe-zone area around your boat. The object is also labeled

as dangerous on the screen. When the alarm is off, the

message banner and audible alarm are disabled, but the

object is still labeled as dangerous on the screen.

2Select Range.

3Select a distance for the safe-zone radius around your

vessel.

4Select Time To.

5Select a time at which the alarm will sound if a target is

determined to intersect the safe zone.

For example, to be notified of a pending intersection 10

minutes before it will likely occur, set Time To to 10, and the

alarm will sound 10 minutes before the vessel intersects the

safe zone.

AIS Distress Signals

Self-contained AIS distress signal devices transmit emergency

position reports when activated. The chartplotter can receive

signals from Search and Rescue Transmitters (SART),

Emergency Position Indicating Radio Beacons (EPIRB), and

other man overboard signals. Distress signal transmissions are

different than standard AIS transmissions, so they appear

differently on the chartplotter. Instead of tracking a distress

signal transmission for collision avoidance, you track a distress

signal transmission to locate and assist a vessel or person.

Navigating to a Distress Signal Transmission

When you receive a distress signal transmission, a distress

signal alarm appears.

Select Review > Go To to begin navigation to the

transmission.

AIS Distress Signal Device Targeting Symbols

Symbol Description

AIS distress signal device transmission. Select to see more

information about the transmission and begin navigation.

Transmission lost.

Transmission test. Appears when a vessel initiates a test of

their distress signal device, and does not represent a true

emergency.

Transmission test lost.

Enabling AIS Transmission Test Alerts

To avoid a large number of test alerts and symbols in crowded

areas such as marinas, you can select to receive or ignore AIS

test messages. To test an AIS emergency device, you must

enable the chartplotter to receive test alerts.

1Select Settings > Alarms > AIS.

2Select an option:

• To receive or ignore Emergency Position Indicating Radio

Beacon (EPRIB) test signals, select AIS-EPIRB Test.

• To receive or ignore Man Overboard (MOB) test signals,

select AIS-MOB Test.

Charts and 3D Chart Views 5

• To receive or ignore Search and Rescue Transponder

(SART) test signals, select AIS-SART Test.

Turning Off AIS Reception

AIS signal reception is turned on by default.

Select Settings > Other Vessels > AIS > Off.

All AIS functionality on all charts and 3D chart views is

disabled. This includes AIS vessel targeting and tracking,

collision alarms that result from AIS vessel targeting and

tracking, and the display of information about AIS vessels.

Chart and 3D Chart View Settings

NOTE: Not all settings apply to all charts and 3D chart views.

Some options require premium maps or connected accessories,

such as radar.

These settings apply to the charts and 3D chart views, except

the Radar overlay and Fish Eye 3D (page 6).

From a chart or a 3D chart view, select Menu > Chart Menu.

Waypoints & Tracks: See page 6.

Other Vessels: See page 6.

Surface Radar: Shows surface radar details on the Perspective

3D or Mariner's Eye 3D chart views.

Weather Radar: Shows weather radar imaging on the

Perspective 3D or Mariner's Eye 3D chart views.

Navaids: Shows navigational aids on the Fishing chart.

Chart Setup: See page 6.

Chart Appearance: See page 6. This might appear in the

Chart Setup menu.

Navigation and Fishing Chart Setup

NOTE: Not all settings apply to all charts and 3D chart views.

Some settings require external accessories or applicable

premium charts.

From the Navigation chart or Fishing chart, select Menu >

Chart Menu > Chart Setup.

Photos: Shows camera icons in some areas when using some

premium charts. This enables you to view aerial photos of

landmarks (page 4).

Tides & Currents: Shows current station indicators and tide

station indicators on the chart (page 4).

Service Points: Shows locations where marine maintenance

and repair services may be obtained.

Roses: Shows a compass rose around your boat, indicating

compass direction oriented to the heading of the boat. A true

wind direction or apparent wind direction indicator appears if

the chartplotter is connected to a compatible marine wind

sensor.

Inset Map: Shows the navigation inset when the vessel is

navigating to a destination.

Weather: Sets which weather items are shown on the chart, if

the chartplotter is connected to a compatible weather

receiver with an active subscription.

Lake Level: Allows you to enter the present level of the lake.

Chart Appearance: See page 6.

Waypoints and Tracks Settings on the Charts and

Chart Views

From a chart or a 3D chart view, select Menu > Chart Menu >

Waypoints & Tracks.

Tracks: Shows tracks on the chart or 3D chart view.

Waypoints: Shows the Waypoints list (page 8).

New Waypoint: Creates a new waypoint.

Waypoint Display: Sets how to display waypoints on the chart

or 3D chart view.

Active Tracks: Shows the active track options menu.

Saved Tracks: Shows the list of saved tracks (page 10).

Tracks Display: Sets which tracks to display on the chart or 3D

chart view based on track color.

Chart Appearance Settings

You can adjust the appearance of the different chart views.

Each setting is specific for the type of chart view that you are in.

NOTE: Not all settings apply to all charts and 3D chart views

and chartplotter models. Some options require premium maps

or connected accessories, such as radar.

From a chart or 3D chart view, select Menu > Chart Menu >

Chart Setup > Chart Appearance.

Orientation: Sets the perspective of the map.

Detail: Adjusts the amount of detail shown on the map, at

different zoom levels.

Heading Line: Shows and adjusts the heading line, which is a

line drawn on the map from the bow of the boat in the

direction of travel, and sets the data source for the heading

line.

World Map: Uses either a basic world map or a shaded relief

map on the chart. These differences are visible only when

zoomed out too far to see the detailed charts.

Spot Depths: Turns on spot soundings and sets a dangerous

depth. Spot depths that are equal to or more shallow than

the dangerous depth are indicated by red text.

Safety Shading: Sets the shades from the shoreline to the

specified depth.

Depth Range Shading: Specifies an upper and lower depth to

shade between.

Symbols: Shows and configures the appearance of various

symbols on the chart, such as the vessel icon, navaid

symbols, land POIs, and light sectors.

Style: Sets how the chart appears over 3D terrain.

Hazard Colors: Shows shallow water and land with a color

scale. Blue indicates deep water, yellow is shallow water,

and red is very shallow water.

Safe Depth: Sets the appearance of a safe depth for Mariner’s

Eye 3D.

NOTE: This setting affects only the appearance of hazard

colors in Mariner’s Eye 3D. It does not affect the safe water

depth Auto Guidance setting or the sonar shallow water

alarm setting.

Range Rings: Shows and configures the appearance of range

rings, which help you to visualize distances in some chart

views.

Lane Width: Specifies the width of the navigation lane, which is

the magenta line in some chart views that indicates the

course to your destination.

Other Vessels Settings on the Charts and Chart

Views

NOTE: These options require connected accessories, such as

an AIS receiver or VHF radio.

From a chart or a 3D chart view, select Menu > Chart Menu >

Other Vessels.

AIS & MARPA List: Shows a list of AIS and MARPA vessels.

DSC: Shows the DSC list and sets the DSC trails on the chart.

Collision Alarm: Sets the safe-zone collision alarm (page 5).

Display Setup: See page 5.

Fish Eye 3D Settings

NOTE: This feature is available with premium charts, in some

areas.

6 Charts and 3D Chart Views

From the Fish Eye 3D chart view, select Menu > Chart Menu.

View: Sets the perspective of the 3D chart view.

Tracks: Shows tracks.

Sonar Cone: Shows a cone that indicates the area covered by

the transducer.

Fish Symbols: Shows suspended targets.

Navigation with a Chartplotter

CAUTION

The Auto Guidance feature is based on electronic chart

information. That data does not ensure obstacle and bottom

clearance. Carefully compare the course to all visual sightings,

and avoid any land, shallow water, or other obstacles that may

be in your path.

To navigate, you must choose a destination, set a course or

create a route, and follow the course or route. You can follow

the course or the route on the Navigation chart, Fishing chart,

Perspective 3D chart view, or Mariner’s Eye 3D chart view.

NOTE: Auto Guidance is available with premium charts, in

some areas.

NOTE: Mariner's Eye 3D and Fish Eye 3D chart views are

available with premium charts, in some areas.

NOTE: The offshore Fishing chart is available with premium

charts, in some areas.

Basic Navigation Questions

Question Answer

How do I make the chartplotter point

me in the direction in which I want to

go (bearing)?

Navigate using Go To. See

page 7.

How do I make the device guide me

along a straight line (minimizing cross

track) to a location using the shortest

distance from the present location?

Build a single-leg route and

navigate it using Route To. See

page 8.

How do I make the device guide me

to a location while avoiding charted

obstacles?

Build a multi-leg route and

navigate it using Route To. See

page 8.

How do I make the device steer my

automatic pilot?

Navigate using Route To. See

page 8.

Can the device create a path for me? If you have premium maps that

support Auto Guidance and are

in an area covered by Auto

Guidance, navigate using Auto

Guidance. See page 7.

How do I change the Auto Guidance

settings for my boat?

See page 24.

Destinations

You can select destinations using various charts and 3D chart

views or using the lists.

Searching for a Destination by Name

You can search for saved waypoints, saved routes, saved

tracks, and marine services destinations by name.

1Select Info > Services > Search by Name.

2Enter at least a portion of the name of your destination.

3If necessary, select Done.

The 50 nearest destinations that contain your search criteria

appear.

4Select the destination.

Selecting a Destination Using the Navigation Chart

From the Navigation chart, select a destination.

Searching for a Marine Services Destination

NOTE: This feature is available with premium charts, in some

areas.

The chartplotter contains information for thousands of

destinations offering marine services.

1Select Info > Services.

2Select Offshore Services or Inland Services.

3If necessary, select the marine service category.

The chartplotter shows a list of the nearest locations and the

distance and bearing to each.

4Select a destination.

You can select Next Page or Previous Page to view

additional information or to show the location on a chart.

Searching for a Volvo Penta Dealer

Select Info > Services > Volvo Penta Dealers.

Courses

CAUTION

The Auto Guidance feature is based on electronic chart

information. That data does not ensure obstacle and bottom

clearance. Carefully compare the course to all visual sightings,

and avoid any land, shallow water, or other obstacles that may

be in your path.

When using Go To, a direct course and a corrected course may

pass over land or shallow water. Use visual sightings, and steer

to avoid land, shallow water, and other dangerous objects.

NOTE: Auto Guidance is available with premium charts, in

some areas.

You can set and follow a course to a destination using one of

three methods: Go To, Route To, or Guide To.

Go To: Takes you directly to the destination.

Route To: Creates a route from your location to a destination,

allowing you to add turns along the way.

Guide To: Create a path to a destination using Auto Guidance.

Setting and Following a Direct Course Using Go To

CAUTION

When using Go To, a direct course and a corrected course may

pass over land or shallow water. Use visual sightings, and steer

to avoid land, shallow water, and other dangerous objects.

You can set and follow a direct course from your current

location to a selected destination.

1Select a destination (page 7).

2Select Navigate To > Go To.

A magenta line appears. In the center of the magenta line is

a thinner purple line that represents the corrected course

from your current location to the destination. The corrected

course is dynamic, and it moves with your boat when you are

off course.

3Follow the magenta line, steering to avoid land, shallow

water, and other obstacles.

4If you are off course, follow the purple line (corrected course)

to go to your destination, or steer back to the magenta line

(direct course).

Setting and Following a Course Using Auto Guidance

CAUTION

The Auto Guidance feature is based on electronic chart

information. That data does not ensure obstacle and bottom

clearance. Carefully compare the course to all visual sightings,

Navigation with a Chartplotter 7

and avoid any land, shallow water, or other obstacles that may

be in your path.

NOTE: Auto Guidance is available with premium charts, in

some areas.

1Select a destination (page 7).

2Select Navigate To > Guide To.

3Review the course indicated by the magenta Auto Guidance

line.

4Follow the magenta line, steering to avoid land, shallow

water, and other obstacles.

NOTE: When using Auto Guidance, a gray segment within

any part of the magenta line indicates that Auto Guidance

cannot calculate part of the Auto Guidance line. This is due

to the settings for minimum safe water depth and minimum

safe obstacle height.

Stopping Navigation

While navigating, from the Navigation or Fishing chart, select

an option:

• Select Menu > Stop Navigation.

• When navigating with Auto Guidance, select Menu >

Navigation Options > Stop Navigation.

Waypoints

Waypoints are locations you record and store in the device.

Marking Your Present Location as a Waypoint

From any screen, select Mark.

Creating a Waypoint at a Different Location

1Select Info > User Data > Waypoints > Create Waypoint.

2Select an option:

• To create the waypoint by entering position coordinates,

select Enter Coordinates, and enter the coordinates.

• To create the waypoint using a chart, select Use Chart,

select the location, and select Move Waypoint.

Marking and Starting Navigation to an MOB Location

When you mark a waypoint, you can designate it as a man

overboard (MOB) location.

Select an option:

• From any screen, select Mark > SOS.

• From any screen, select SOS > Yes.

An international MOB symbol marks the active MOB point and

the chartplotter sets a direct course back to the marked location.

Viewing a List of all Waypoints

Select Info > User Data > Waypoints.

Editing a Saved Waypoint

1Select Info > User Data > Waypoints.

2Select a waypoint.

3Select Review > Edit.

4Select an option:

• To add a name, select Name, and enter a name.

• To change the symbol, select Symbol.

• To change the depth, select Depth.

• To change the water temperature, select Water Temp..

• To change the comment, select Comment.

Moving a Saved Waypoint

1Select Info > User Data > Waypoints.

2Select a waypoint.

3Select Review > Move.

4Indicate a new location for the waypoint:

• To move the waypoint while using the chart, select Use

Chart, select a new location on the chart, and select

Move Waypoint.

• To move the waypoint using coordinates, select Enter

Coordinates, and enter the new coordinates.

Browsing for and Navigating to a Saved Waypoint

CAUTION

The Auto Guidance feature is based on electronic chart

information. That data does not ensure obstacle and bottom

clearance. Carefully compare the course to all visual sightings,

and avoid any land, shallow water, or other obstacles that may

be in your path.

When using Go To, a direct course and a corrected course may

pass over land or shallow water. Use visual sightings, and steer

to avoid land, shallow water, and other dangerous objects.

NOTE: Auto Guidance is available with premium charts, in

some areas.

Before you can navigate to a waypoint, you must create a

waypoint.

1Select Info > User Data > Waypoints.

2Select a waypoint.

3Select Navigate To.

4Select an option:

• To navigate directly to the location, select Go To.

• To create a route to the location, including turns, select

Route To.

• To use Auto Guidance, select Guide To.

5Review the course indicated by the magenta line.

NOTE: When using Auto Guidance, a gray segment within

any part of the magenta line indicates that Auto Guidance

cannot calculate part of the Auto Guidance line. This is due

to the settings for minimum safe water depth and minimum

safe obstacle height.

6Follow the magenta line, steering to avoid land, shallow

water, and other obstacles.

Deleting a Waypoint or an MOB

1Select Info > User Data > Waypoints.

2Select a waypoint or an MOB.

3Select Review > Delete.

Deleting All Waypoints

Select Info > User Data > Clear User Data > Waypoints >

All.

Routes

Creating and Navigating a Route From Your Present

Location

You can create and immediately navigate a route on the

Navigation chart or the Fishing chart. This procedure does not

save the route or the waypoint data.

NOTE: The offshore Fishing chart is available with premium

charts, in some areas.

1From the Navigation chart or Fishing chart, select a

destination.

2Select Navigate To > Route To.

3Select the location of the last turn before the destination.

4Select Add Turn.

5If necessary, repeat step 3 and 4 to add additional turns,

working backward from the destination to the present

location of your vessel.

8 Navigation with a Chartplotter

The last turn you add should be the first turn you make,

starting from your present location. It should be the turn

closest to your vessel.

6If necessary, select Menu.

7Select Navigate Route.

8Review the course indicated by the magenta line.

9Follow the magenta line, steering to avoid land, shallow

water, and other obstacles.

Creating and Saving a Route

This procedure saves the route and all the waypoints in it. The

starting point can be your present location or another location.

1Select Info > User Data > Routes > New Route > Use

Chart.

2Select the starting location of the route.

3Select Add Turn.

4Select the location of the next turn on the chart.

5Select Add Turn.

The chartplotter marks the location of the turn with a

waypoint.

6If necessary, repeat steps 4 and 5 to add more turns.

7Select the final destination.

Viewing a List of Routes

Select Info > User Data > Routes.

Editing a Saved Route

You can change the name of a route or change the turns the

route contains.

1Select Info > User Data > Routes.

2Select a route.

3Select Review > Edit Route.

4Select an option:

• To change the name, select Name, and enter the name.

• To select a waypoint from the turn list, select Edit Turns

> Use Turn List, and select a waypoint from the list.

• To select a turn using the chart, select Edit Turns > Use

Chart, and select a location on the chart.

Browsing for and Navigating a Saved Route

Before you can browse a list of routes and navigate to one of

them, you must create and save at least one route.

1Select Info > User Data > Routes.

2Select a route.

3Select Navigate To.

4Select an option:

• To navigate the route from the starting point used when

the route was created, select Forward.

• To navigate the route from the destination point used

when the route was created, select Backward.

A magenta line appears. In the center of the magenta line is

a thinner purple line that represents the corrected course

from your present location to the destination. The corrected

course is dynamic, and it moves with your boat when you are

off course.

5Review the course indicated by the magenta line.

6Follow the magenta line along each leg in the route, steering

to avoid land, shallow water, and other obstacles.

7If you are off course, follow the purple line (corrected course)

to go to your destination, or steer back to the magenta line

(direct course).

Browsing for and Navigating Parallel to a Saved

Route

Before you can browse a list of routes and navigate to one of

them, you must create and save at least one route.

1Select Info > User Data > Routes.

2Select a route.

3Select Navigate To.

4Select Offset to navigate parallel to the route, offset from it

by a specific distance.

5Indicate how to navigate the route:

• To navigate the route from the starting point used when

the route was created, to the left of the original route,

select Forward – Port.

• To navigate the route from the starting point used when

the route was created, to the right of the original route,

select Forward – Starboard.

• To navigate the route from the destination point used

when the route was created, to the left of the original

route, select Backward – Port.

• To navigate the route from the destination point used

when the route was created, to the right of the original

route, select Backward – Starboard.

6If necessary, select Done.

A magenta line appears. In the center of the magenta line is

a thinner purple line that represents the corrected course

from your present location to the destination. The corrected

course is dynamic, and it moves with your boat when you are

off course.

7Review the course indicated by the magenta line.

8Follow the magenta line along each leg in the route, steering

to avoid land, shallow water, and other obstacles.

9If you are off course, follow the purple line (corrected course)

to go to your destination, or steer back to the magenta line

(direct course).

Deleting a Saved Route

1Select Info > User Data > Routes.

2Select a route.

3Select Review > Delete.

Deleting All Saved Routes

Select Info > User Data > Clear User Data > Routes.

Tracks

A track is a recording of the path of your boat. The track

currently being recorded is called the active track, and it can be

saved. You can show tracks in each chart or 3D chart view.

Showing Tracks

From a chart or a 3D chart view, select Menu > Chart Menu

> Waypoints & Tracks > Tracks > On.

A trailing line on the chart indicates your track.

Setting the Color of the Active Track

1Select Info > User Data > Tracks > Active Track Options >

Track Color.

2Select a track color.

Saving the Active Track

The track currently being recorded is called the active track.

1Select Info > User Data > Tracks > Save Active Track.

2Select an option:

• Select the time the active track began.

• Select Entire Log.

3Select Save.

Navigation with a Chartplotter 9

Viewing a List of Saved Tracks

Select Info > User Data > Tracks > Saved Tracks.

Editing a Saved Track

1Select Info > User Data > Tracks > Saved Tracks.

2Select a track.

3Select Edit Track.

4Select an option:

• Select Name, and enter the new name.

• Select Track Color, and select a color.

Saving a Track as a Route

1Select Info > User Data > Tracks > Saved Tracks.

2Select a track.

3Select Select > Edit Track > Save Route.

Browsing for and Navigating a Recorded Track

Before you can browse a list of tracks and navigate to them, you

must record and save at least one track (page 9).

1Select Info > User Data > Tracks > Saved Tracks.

2Select a track.

3Select Follow Track.

4Select an option:

• To navigate the track from the starting point used when

the track was created, select Forward.

• To navigate the track from the destination point used

when the track was created, select Backward.

5Review the course indicated by the colored line.

6Follow the line along each leg in the route, steering to avoid

land, shallow water, and other obstacles.

Deleting a Saved Track

1Select Info > User Data > Tracks > Saved Tracks.

2Select a track.

3Select Select > Delete.

Deleting All Saved Tracks

Select Info > User Data > Clear User Data > Saved

Tracks.

Retracing the Active Track

The track currently being recorded is called the active track.

1Select Info > User Data > Tracks > Follow Active Track.

2Select an option:

• Select the time the active track began.

• Select Entire Log.

3Review the course indicated by the colored line.

4Follow the colored line, steering to avoid land, shallow water,

and other obstacles.

Clearing the Active Track

Select Info > User Data > Tracks > Clear Active Track.

The track memory is cleared, and the active track continues

to be recorded.

Managing the Track Log Memory During Recording

1Select Info > User Data > Tracks > Active Track Options.

2Select Record Mode.

3Select an option:

• To record a track log until the track memory is full, select

Fill.

• To continuously record a track log, replacing the oldest

track data with new data, select Wrap.

Configuring the Recording Interval of the Track Log

You can indicate the frequency at which the track plot is

recorded. Recording more frequent plots is more accurate but

fills the track log faster. The resolution interval is recommended

for the most efficient use of memory.

1Select Info > User Data > Tracks > Active Track Options >

Interval > Interval.

2Select an option:

• To record the track based on a distance between points,

select Distance > Change, and enter the distance.

• To record the track based on a time interval, select Time

> Change, and enter the time interval.

• To record the track plot based on a variance from your

course, select Resolution > Change, and enter the

maximum error allowed from the true course before

recording a track point.

Deleting All Saved Waypoints, Routes, and

Tracks

Select Info > User Data > Clear User Data > All > OK.

Sonar

When properly connected to an optional Garmin sounder

module and a transducer, your compatible chartplotter can be

used as a fishfinder. There are three different sonar views to

help you view the fish in the area: a full-screen view, a split-

zoom view, and a split frequency view.

Changing the Sonar View

1From a Sonar view, select Menu > Sonar Menu > Change

Sonar.

2Select a Sonar view.

Pausing the Sonar Display

From a Sonar view, select Menu > Sonar Menu > Pause

Sonar.

Creating a Waypoint on the Sonar Screen

1From a Sonar view, select Menu > Sonar Menu > Pause

Sonar.

2Select the location of the waypoint.

3Select New Waypoint.

Adjusting the Gain on the Sonar Screen

You can control the sensitivity of the sonar receiver. To see

more detail, increase the gain. If the screen is cluttered,

decrease the gain.

1From a Sonar view, select Menu > Sonar Menu > Gain.

2Select an option:

• To increase or decrease the gain manually, select Up or

Down.

• To allow the chartplotter to adjust the gain automatically,

select an automatic option.

Adjusting the Range of the Depth Scale

You can adjust the range of the depth scale that appears on the

right side of the screen.

1From a Sonar view, select Menu > Sonar Menu > Range.

2Select an option:

• To allow the chartplotter to adjust the depth scale

automatically, select Auto.

10 Sonar

• To increase or decrease the range of the depth scale

manually, select Up or Down.

TIP: From the sonar screen, you can select or to

manually adjust the range of the depth scale.

Setting the Zoom Level on the Sonar Screen

1From a Sonar view, select Menu > Sonar Menu > Zoom.

2Select an option:

• To zoom in on the sonar data from the bottom depth,

select Bottom Lock.

• To set the depth range of the magnified area manually,

select Set Zoom, select View Up or View Down to set

the depth range of the magnified area, and select Zoom

In or Zoom Out to increase or decrease the magnification

of the magnified area.

• To set the depth and zoom automatically, select Set

Zoom > Auto.

Selecting Frequencies

You can indicate which frequencies appear on the sonar screen

when using a dual frequency transducer.

1From a Sonar view, select Menu > Sonar Menu >

Frequency.

2Select an option:

• To sweep each pulse through a range of frequencies to

deliver shallow-water-like target separation at extremely

deep depths and at low frequencies, select High Chirp or

Low Chirp. This is useful mainly for very deep, offshore

waters and when targeting some species of fish.

• To show data from a 200 kHz sonar signal, select 200

kHz. This is useful mainly for more-shallow, inland waters.

• To show data from an 80 kHz sonar signal, select 80 kHz.

This is useful mainly for deeper waters and to see better

fish arches in shallow water.

• To show data from a 50 kHz sonar signal, select 50 kHZ.

• To select a specific frequency, select Manage

Frequencies, and enter the frequency.

Turning On the A-Scope

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 Menu >

Appearance > A-Scope > On.

Sonar Setup

Sonar Settings

From a Sonar view, select Menu > Sonar Menu > More.

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

to left.

Shift: Allows you to shift the area for which the sonar will look

for targets. This is helpful to allow you to get a better image

in the focused depth.

Noise Reject: Reduces the interference and the amount of

clutter shown on the sonar screen.

Appearance: Configures the appearance of the sonar screen.

Alarms: Sets sonar alarms.

Advanced: Configures various sonar display and data source

settings.

Installation: Configures the transducer.

Sonar Noise Rejection Settings

From a Sonar view, select Menu > Sonar Menu > More >

Noise Reject.

Interference: Reduces the effects of crosstalk and electrical

interference.

Color Limit: Hides part of the color palette to help eliminate

fields of weak clutter.

Smoothing: Allows the sonar screen to appear more consistent

in deeper water.

Surface Noise: Sets whether the returns near the surface of the

water appear on the sonar screen. Hiding surface noise

helps reduce clutter.

Sonar Appearance Settings

From a Sonar view, select Menu > Appearance.

Color: Sets the color scheme.

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

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

screen that shows instantaneously the range to targets along

a scale.

Depth Line: Shows a quick-reference depth line.

Edge: Highlights the strongest signal from the bottom to help

define the hardness or softness of the signal.

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.

Sonar Alarm Settings

NOTE: Some settings require external accessories.

Select Settings > Alarms > Sonar.

Shallow Water: Sets an alarm to sound when the depth is less

than the specified value.

Deep Water: Sets an alarm to sound when the depth is greater

than the specified value.

Water Temp.: Sets an alarm to sound when the transducer

reports a temperature that is 2°F (1.1°C) above or below the

specified temperature.

Contour: Sets an alarm to sound when the transducer detects a

suspended target within the specified depth from the surface

of the water and from the bottom.

Fish Alarm: Sets an alarm to sound when the transducer

detects a suspended target within the specified depth range

and the specified color range.

Advanced Sonar Settings

From a Sonar view, select Menu > Sonar Menu > More >

Advanced.

Transmit: Stops the transducer from transmitting.

TVG: Adjusts the time-varying gain, which can reduce noise.

Echo Stretch: Adjusts how the targets appear on the screen. If

the echo stretch value is too high, the targets blend together,

and if the value is too low, the targets might be small and

difficult to see.

Bottom Track: Sets the frequency used for determining depth.

Temp. Source: Sets the water-temperature sensor or

temperature-capable transducer as the source for the water

temperature log.

Sonar 11

Transducer Installation Settings

From a Sonar view, select Menu > Sonar Menu > More >

Installation.

Transmit Rate: Reduces self-interference. You can increase

the transmit rate to speed up the scroll speed, but this might

also create self-interference.

Transmit Power: Reduces transducer ringing near the surface.

A lower transmit power value reduces transducer ringing.

Filter Width: Defines the edges of the target. A shorter filter

defines the edges of the targets. A longer filters creates

softer target edges, but may also reduce noise.

Transducer Diagnostics: Shows details about the transducer.

Radar

WARNING

The marine radar transmits microwave energy that has the

potential to be harmful to humans and animals. Before

beginning radar transmission, verify that the area around the

radar is clear. The radar transmits a beam approximately 12°

above and below a line extending horizontally from the center of

the radar. Avoid looking directly at the radar, because the eyes

are the most susceptible parts of the body.

NOTE: Not all models support radar.

When you connect your compatible chartplotter to an optional

Garmin marine radar, such as a GMR™ 1206 xHD or a GMR 24

HD, you can view more information about your surroundings.

The GMR transmits a narrow beam of microwave energy as it

rotates to a 360° pattern. When the transmitted energy contacts

a target, some of that energy is reflected back to the radar.

Radar Display Modes

NOTE: Not all modes are available with all radar devices and all

chartplotters.

Select Radar > Menu > Radar Menu > Change Radar, and

select a mode.

Cruising Mode: Shows a full-screen image of the gathered

radar information.

Harbor Mode: Intended for use in inland waters, this mode

works best with short-range signals (2 nm or less).

Offshore Mode: Intended for use in open waters, this mode

works best with long-range signals.

Sentry Mode: Allows you to put the radar into timed-transmit

mode, in which you can configure a radar transmit and

standby cycle to conserve power. You can also enable a

guard zone in this mode, which identifies a safe zone around

your boat. If you switch from Sentry mode to another mode,

the radar switches to full-time transmission and disables all

guard zones.

Radar Overlay Mode: Shows a full-screen image of the

gathered radar information on top of the Navigation chart.

The Radar overlay displays data based on the most recently

used radar mode.

Dual Range Mode: Provides a side-by-side view of both short-

range and long-range radar data.

Changing the Radar Mode

1From a Radar screen, select Menu > Radar Menu >

Change Radar.

2Select a radar mode.

Transmitting Radar Signals

NOTE: As a safety feature, the radar enters standby mode after

it warms up. This gives you an opportunity to verify the area

around the radar is clear before beginning radar transmission.

1With the chartplotter off, connect your radar as described in

the radar installation instructions.

2Turn on the chartplotter.

The radar warms up and a countdown alerts you when the

radar is ready.

3Select Radar > Menu > Radar Menu > Change Radar.

4Select a radar mode.

A countdown message appears while the radar is starting up.

5Select Menu > Transmit Radar.

Adjusting the Zoom Scale on the Radar

Screen

The radar zoom scale, also called the radar signal range,

represents the distance from your position (the center) to the

outermost ring.

From a Radar screen, select or .

Each ring represents an even division of the zoom scale.

For example, if the zoom scale is set at 3 miles, each ring

represents 1 mile from the center out.

Tips for Selecting a Radar Zoom Scale

The radar zoom scale, or radar signal range, indicates the

length of the pulsed signal transmitted and received by the

radar. As the range increases, the radar transmits longer pulses

in order to reach distant targets. Closer targets, especially rain

and waves, also reflect the longer pulses, which can add noise

to the Radar screen. Viewing information about longer-range

targets can also decrease the amount of space available on the

Radar screen for viewing information about shorter-range

targets.

• Determine what information you need to see on the Radar

screen.

For example, do you need information about nearby weather

conditions or targets and traffic, or are you more concerned

about distant weather conditions?

• Assess the environmental conditions where the radar is

being used.

Especially in inclement weather, longer-range radar signals

can increase the clutter on the Radar screen and make it

more difficult to view information about shorter-range targets.

In rain, shorter-range radar signals can enable you to view

information about nearby objects more effectively, if the rain

clutter setting is configured optimally.

• Select the shortest effective range, given your reason for

using radar and the present environmental conditions.

Marking a Waypoint on the Radar Screen

1From a Radar screen or the Radar overlay, select a location.

2Select Create Waypoint.

Sentry Mode

Sentry mode allows you to put the radar into timed-transmit

mode, in which you can configure a radar transmit and standby

cycle to conserve power. You can also enable a guard zone in

this mode, which identifies a safe zone around your boat and

sounds an alarm when a radar object enters the zone. Sentry

mode works with all Garmin GMR model radars.

Enabling Timed Transmit

From the sentry screen, select Menu > Radar Menu >

Sentry Setup > Timed Transmit > On.

12 Radar

Setting the Standby and Transmit Times

Before you can set the standby and transmit times, you must

enable timed transmit (page 12).

To help conserve power, you can indicate the radar standby

time and the transmit time to implement periodic radar signal

transmissions at set intervals.

1From the sentry screen, select Menu > Radar Menu >

Sentry Setup.

2Select Stdby Time.

3Enter the time interval between radar signal transmissions.

4Select Transmit Time.

5Enter the duration of each radar signal transmission.

Enabling a Guard Zone

From the sentry screen, select Menu > Radar Menu >

Sentry Setup > Enable Guard Zone.

Defining a Circular Guard Zone

Before you can define the boundaries of the guard zone, you

must enable a guard zone (page 13).

You can define a circular guard zone that completely

encompasses your boat.

1From the sentry screen, select Menu > Radar Menu >

Sentry Setup > Adjust Guard Zone > Adjust Guard Zone

> Circle.

2Select the location of the outer guard zone circle.

3Select the location of the inner guard zone circle to define

the width of the guard zone.

Defining a Partial Guard Zone

You can define the boundaries of a guard zone that does not

completely encompass your boat.

1From the sentry screen, select Menu > Radar Menu >

Sentry Setup > Adjust Guard Zone > Adjust Guard Zone

> Corner 1.

2Touch and drag the location of the outer guard-zone corner

À.

3Select Corner 2.

4Touch the location of the inner guard-zone corner Á to

define the width of the guard zone.

Radar Targeting and MARPA

Radar targeting enables you to identify and track objects.

Mini-automatic radar plotting aid (MARPA) is primarily used for

collision avoidance. To use MARPA, you assign a MARPA tag

to a target. The radar system automatically tracks the tagged

object and provides you with information about the object,

including the range, bearing, speed, GPS heading, nearest

approach, and time to nearest approach. MARPA indicates the

status of each tagged object (acquiring, lost, tracking, or

dangerous), and the chartplotter can sound a collision alarm if

the object enters your safe zone.

MARPA Targeting Symbols

Acquiring a target. Concentric, dashed green rings radiate from

the target while the radar is locking onto it.

Target has been acquired. A solid green ring indicates the

location of a target that the radar has locked onto. A dashed

green line attached to the circle indicates the projected course

over ground or the GPS heading of the target.

Dangerous target is in range. A red ring flashes from the target

while an alarm sounds and a message banner appears. After

the alarm has been acknowledged, a solid red dot with a

dashed red line attached to it indicates the location and the

projected course over ground or the GPS heading of the target.

If the safe-zone collision alarm has been set to Off, the target

flashes, but the audible alarm does not sound and the alarm

banner does not appear.

Target has been lost. A solid green ring with an X through it

indicates that the radar could not lock onto the target.

Closest point of approach and time to closest point of approach

to a dangerous target.

Assigning a MARPA Tag to an Object

Before you can use MARPA, you must have a heading sensor

connected and an active GPS signal. The heading sensor must

provide the NMEA 2000® parameter group number (PGN)

127250 or the NMEA® 0183 HDM or HDG output sentence.

1From the Harbor, Offshore, or Cruising Radar screen, select

an object or location.

2Select Acquire Target > MARPA Target.

Viewing Information about a MARPA-tagged Object

You can view the range, bearing, speed, and other information

about a MARPA-tagged object.

1From a radar screen, select a targeted object.

2Select MARPA Target.

Removing a MARPA Tag from a Targeted Object

1From the Radar screen, select a MARPA target.

2Select MARPA Target > Remove.

Viewing a List of AIS and MARPA Threats

From any Radar screen or the Radar overlay, you can view and

customize the appearance of a list of AIS and MARPA threats.

1From a Radar screen, select Menu > Radar Menu > Other

Vessels > AIS & MARPA List > Show.

2Select the type of threats to include in the list.

Showing AIS Vessels on the Radar Screen

AIS requires the use of an external AIS device and active

transponder signals from other vessels.

You can configure how other vessels appear on the Radar

screen. If any setting (except the AIS display range) is

configured for one radar mode, the setting is applied to every

other radar mode. The details and projected heading settings

configured for one radar mode are applied to every other radar

mode and to the Radar overlay.

1From a Radar screen or the Radar overlay, select Menu >

Radar Menu > Other Vessels > Display Setup.

2Select an option:

• To indicate the distance from your location within which

AIS vessels appear, select Display Range, and select a

distance.

• To show details about AIS-activated vessels, select

Details > Show.

• To set the projected heading time for AIS-activated

vessels, select Projected Heading, and enter the time.

VRM and EBL

The variable range marker (VRM) and the electronic bearing

line (EBL) measure the distance and bearing from your boat to

Radar 13

a target object. On the Radar screen, the VRM appears as a

circle that is centered on the present location of your boat, and

the EBL appears as a line that begins at the present location of

your boat and intersects the VRM. The point of intersection is

the target of the VRM and the EBL.

Showing the VRM and the EBL

The VRM and the EBL configured for one mode are applied to

all other radar modes.

From a Radar screen, select Menu > Radar Menu > Show

VRM/EBL.

Adjusting the VRM and the EBL

Before you can adjust the VRM and the EBL, you must show

them on the Radar screen (page 14).

You can adjust the diameter of the VRM and the angle of the

EBL, which moves the intersection point of the VRM and the

EBL. The VRM and the EBL configured for one mode are

applied to all other radar modes.

1From a Radar screen, select a new location for the

intersection point of the VRM and the EBL.

2Select Drop VRM/EBL.

3Select Stop Pointing.

Measuring the Range and Bearing to a Target Object

Before you can adjust the VRM and the EBL, you must show

them on the Radar screen (page 14).

1From a Radar screen, select the target location.

2Select Measure Distance.

The range and the bearing to the target location appear in

the upper-left corner of the screen.

Radar Overlay

When you connect your chartplotter to an optional Garmin

marine radar, you can use the Radar overlay to overlay radar

information on the Navigation chart or on the Fishing chart.

The Radar overlay superimposes radar information on the

Navigation chart or the Fishing chart. Data appears on the

Radar overlay based on the most recently used radar mode

(such as Harbor, Offshore, or Sentry), and all settings

configurations applied to the Radar overlay are also applied to

the last-used radar mode. For example, if you use Harbor mode

and then you switch to the Radar overlay, the Radar overlay

would show Harbor mode radar data. If you changed the gain

setting using the Radar overlay menu, the gain setting for

Harbor mode would change automatically.

Radar Overlay and Chart Data Alignment

When using the Radar overlay, the chartplotter aligns radar data

with chart data based on the boat heading, which is based by

default on data from a magnetic heading sensor connected

using a NMEA 0183 or NMEA 2000 network. If a heading

sensor is not available, the boat heading is based on GPS

tracking data.

GPS tracking data indicates the direction in which the boat is

moving, not the direction in which the boat is pointing. If the

boat is drifting backward or sideways due to a current or wind,

the Radar overlay may not perfectly align with the chart data.

This situation should be avoided by using boat-heading data

from an electronic compass.

If the boat heading is based on data from a magnetic heading

sensor or an automatic pilot, the heading data could be

compromised due to incorrect setup, mechanical malfunction,

magnetic interference, or other factors. If the heading data is

compromised, the Radar overlay may not align perfectly with

the chart data.

Showing the Radar Overlay

The Radar overlay displays data based on the most recently

used radar mode.

From a Radar screen, select Menu > Radar Menu >

Change Radar > Radar Overlay.

The radar picture appears in orange and overlays the

Navigation chart.

Stopping the Transmission of Radar Signals

From a Radar screen, select Menu > Radar Menu > Radar

to Standby.

Optimizing the Radar Display

You can adjust the radar display settings for reduced clutter and

increased accuracy.

NOTE: You can optimize the radar display for each radar mode.

1Select a radar range (page 14).

2Restore the default value of the gain setting (page 14).

3Adjust the gain setting manually (page 14).

Range of Radar Signals

The range of the radar signal indicates the length of the pulsed

signal transmitted and received by the radar. As the range

increases, the radar transmits longer pulses in order to reach

distant targets. Closer targets, especially rain and waves, also

reflect the longer pulses, which can add noise to the Radar

screen. Viewing information about longer-range targets can also

decrease the amount of space available on the Radar screen

for viewing information about shorter-range targets.

Radar Gain and Clutter

Automatically Adjusting Gain on the Radar Screen

Auto is the default value for the gain setting. The automatic gain

setting for each radar mode is optimized for that mode, and may

differ from the automatic gain setting used for another mode.

NOTE: Depending upon the radar in use, the gain setting

configured for use in one radar mode may or may not be

applied to other radar modes or to the Radar overlay.

From a Radar screen or the Radar overlay, select Menu >

Radar Menu > Gain > Auto.

The chartplotter sets the gain automatically once, based on

average conditions, the range of the radar signal, and the

selected radar mode. The chartplotter does not readjust the

gain automatically in response to changing conditions.

Manually Adjusting Gain on the Radar Screen

For optimal radar performance that accounts for actual

conditions, you can manually adjust the gain.

NOTE: Depending upon the radar in use, the gain setting

configured for use in one radar mode may or may not be

applied to other radar modes or to the Radar overlay.

1From a Radar screen or the Radar overlay, select Menu >

Radar Menu > Gain.

2Select Up to raise the gain, until light speckles appear across

the Radar screen.

Data on the Radar screen is refreshed every few seconds.

As a result, the effects of manually adjusting the gain may

not appear instantly. Adjust the gain slowly.

3Select Down to lower the gain until the speckles disappear.

4If boats, land, or other targets are within range, select Down

to lower the gain until the targets begin to blink.

5Select Up to raise the gain until the boats, land, or other

targets appear steadily lit on the Radar screen.

6Minimize the appearance of nearby large objects, if

necessary.

7Minimize the appearance of side-lobe echoes, if necessary.

14 Radar

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