Garmin Gpsmap 800 series User manual

GPSMAP® 800/1000 Series

Owner’s Manual

January 2014 190-01658-00_0A Printed in Taiwan

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®, and MapSource® are trademarks of Garmin Ltd. or its subsidiaries, registered in the USA and other

countries. echoMAP™, GXM™, and HomePort™ are trademarks of Garmin Ltd. or its subsidiaries. These trademarks may not be used without the express

permission of Garmin.

The Bluetooth® word mark and logos are owned by the Bluetooth SIG, Inc. and any use of such marks by Garmin is under license. iOS® is a registered

trademark of Cisco Systems, Inc. used under license by Apple Inc. microSD™ and the microSDHC logo are trademarks of SD-3C, LLC. NMEA®, NMEA

2000®, and the NMEA 2000 logo are registered trademarks of the National Marine Electronics Association. SiriusXM® is a registered trademark of SiriusXM

Radio Inc. Wi‑Fi® is a registered mark of Wi-Fi Alliance Corporation. All other trademarks and copyrights are the property of their respective owners. Other

trademarks and trade names are those of their respective owners.

Table of Contents

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

Device Front View...................................................................... 1

Device Keys.......................................................................... 1

Downloading the Manuals.......................................................... 1

Manual Conventions.................................................................. 1

Getting More Information........................................................... 1

Inserting Memory Cards............................................................. 1

Loading the New Software on a Memory Card.......................... 1

Updating the Device Software................................................... 1

GPS Satellite Signals................................................................. 2

Setting the Vessel Type............................................................. 2

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

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

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

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

Navigation Chart and Offshore Fishing Chart............................ 2

Zooming In and Out of the Chart........................................... 2

Panning the Chart with the Keys........................................... 2

Selecting an Item on the Map Using the Device Keys.......... 2

Chart Symbols....................................................................... 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...................................... 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..... 5

Showing AIS Vessels on a Chart or 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 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

Waypoints and Tracks Settings on the Charts and Chart

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

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

AIS Display Settings......................................................... 6

Laylines Settings................................................................... 6

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

Overlay Numbers Settings............................................... 6

Chart Appearance Settings.............................................. 7

Fish Eye 3D Settings............................................................. 7

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

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

Destinations............................................................................... 8

Searching for a Destination by Name................................... 8

Selecting a Destination Using the Navigation Chart............. 8

Searching for a Destination Using Nav Info.......................... 8

Searching for a Marine Services Destination........................ 8

Courses...................................................................................... 8

Setting and Following a Direct Course Using Go To............. 8

Setting and Following a Course Using Auto Guidance......... 8

Autopilot Navigation.............................................................. 8

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

Waypoints.................................................................................. 9

Marking Your Present Location as a Waypoint..................... 9

Creating a Waypoint at a Different Location......................... 9

Marking and Starting Navigation to an MOB Location.......... 9

Viewing a List of all Waypoints.............................................. 9

Editing a Saved Waypoint..................................................... 9

Moving a Saved Waypoint.................................................... 9

Browsing for and Navigating to a Saved Waypoint............... 9

Deleting a Waypoint or an MOB............................................ 9

Deleting All Waypoints.......................................................... 9

Routes........................................................................................ 9

Creating and Navigating a Route From Your Present

Location................................................................................. 9

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

Viewing a List of Routes...................................................... 10

Editing a Saved Route........................................................ 10

Browsing for and Navigating a Saved Route...................... 10

Browsing for and Navigating Parallel to a Saved Route..... 10

Deleting a Saved Route...................................................... 10

Deleting All Saved Routes.................................................. 10

Tracks...................................................................................... 10

Showing Tracks................................................................... 10

Setting the Color of the Active Track................................... 10

Saving the Active Track...................................................... 10

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....................................................... 11

Deleting All Saved Tracks................................................... 11

Retracing the Active Track.................................................. 11

Clearing the Active Track.................................................... 11

Managing the Track Log Memory During Recording.......... 11

Configuring the Recording Interval of the Track Log........... 11

Deleting All Saved Waypoints, Routes, and Tracks................. 11

Combinations............................................................... 11

Selecting a Combination.......................................................... 11

Customizing a Combination Screen......................................... 11

Creating a Custom Combination Screen................................. 11

Deleting a Combination Screen............................................... 11

Gauges and Almanac Information..............................11

Viewing the Compass.............................................................. 11

Viewing Trip Gauges................................................................ 11

Resetting Trip Gauges........................................................ 11

Viewing Engine and Fuel Gauges............................................ 12

Customizing Engine Gauge and Fuel Gauge Limits........... 12

Enabling Status Alarms for Engine Gauges........................ 12

Enabling Some Engine Gauge Status Alarms.................... 12

Selecting the Number of Engines Shown in Gauges.......... 12

Customizing the Engines Shown in Gauges....................... 12

Configuring the Fuel Gauges Display................................. 12

Setting the Fuel Capacity of the Vessel.............................. 12

Synchronizing the Fuel Data with the Actual Vessel Fuel... 12

Setting the Fuel Alarm......................................................... 12

Viewing the Wind Gauges........................................................ 12

Configuring the Speed Source............................................ 12

Configuring the Heading Source of the Wind Gauge.......... 12

Selecting the Range of the Close-Hauled Wind Gauge...... 13

Viewing the Environment Gauges............................................ 13

Configuring the Alignment of the Wind Gauge.................... 13

Configuring the Heading Source of the Environment

Gauge................................................................................. 13

Setting the Barometer Reference Time............................... 13

Tide, Current, and Celestial Information.................................. 13

Tide Station Information...................................................... 13

Table of Contents i

Current Station Information................................................. 13

Celestial Information........................................................... 13

Viewing Tide Station, Current Station, or Celestial

Information for a Different Date........................................... 13

Viewing Information for a Different Tide or Current Station 13

Viewing Almanac Information from the Navigation Chart.... 13

Sonar............................................................................. 13

Sonar Views............................................................................. 13

Full-Screen Sonar View...................................................... 13

DownVü Sonar View........................................................... 14

SideVü Sonar View............................................................. 14

SideVü/DownVü Scanning Technology.......................... 14

Split-Zoom Sonar View....................................................... 14

Split-Frequency Sonar View................................................ 14

Pausing the Sonar Display....................................................... 14

Creating a Waypoint on the Sonar Screen.............................. 14

Viewing Sonar History.............................................................. 14

Adjusting the Level of Detail.................................................... 14

Adjusting the Color Intensity.................................................... 14

Adjusting the Range of the Depth or Width Scale.................... 15

Setting the Zoom Level on the Sonar Screen.......................... 15

Sonar Frequencies................................................................... 15

Selecting Frequencies......................................................... 15

Creating a Frequency Preset.............................................. 15

Turning On the A-Scope.......................................................... 15

Selecting the Transducer Type................................................ 15

Sonar Setup ............................................................................ 16

Sonar Settings..................................................................... 16

Sonar Appearance Settings................................................ 16

Advanced Sonar Settings.................................................... 16

Sonar Installation Settings.................................................. 16

Sonar Alarm Settings.......................................................... 16

Sonar Recordings.................................................................... 16

Recording the Sonar Display.............................................. 16

Stopping the Sonar Recording............................................ 16

Deleting a Sonar Recording................................................ 16

Depth and Water Temperature Graphs................................... 17

Setting the Depth and Water Temperature Graph Range and

Time Scales........................................................................ 17

Radar............................................................................. 17

Radar Display Modes............................................................... 17

Transmitting Radar Signals...................................................... 17

Adjusting the Zoom Scale on the Radar Screen...................... 17

Tips for Selecting a Radar Zoom Scale.............................. 17

Sentry Mode............................................................................. 17

Enabling Timed Transmit.................................................... 17

Setting the Standby and Transmit Times............................ 18

Enabling a Guard Zone....................................................... 18

Defining a Circular Guard Zone.......................................... 18

Defining a Partial Guard Zone............................................. 18

Marking a Waypoint on the Radar Screen.......................... 18

Viewing a List of AIS Threats.............................................. 18

Showing AIS Vessels on the Radar Screen........................ 18

VRM and EBL.......................................................................... 18

Showing the VRM and the EBL........................................... 18

Adjusting the VRM and the EBL.......................................... 18

Measuring the Range and Bearing to a Target Object........ 18

Radar Overlay.......................................................................... 18

Radar Overlay and Chart Data Alignment........................... 18

Stopping the Transmission of Radar Signals........................... 19

Optimizing the Radar Display.................................................. 19

Range of Radar Signals...................................................... 19

Radar Gain and Clutter....................................................... 19

Adjusting Gain on the Radar Screen Automatically....... 19

Adjusting Gain on the Radar Screen Manually.............. 19

Minimizing Nearby Large-Object Interference................ 19

Minimizing Side-Lobe Interference on the Radar

Screen............................................................................ 19

Adjusting Sea Clutter on the Radar Screen

Automatically.................................................................. 19

Adjusting Rain Clutter on the Radar Screen.................. 19

Reducing Cross Talk Clutter on the Radar Screen........ 20

Radar Display Settings........................................................ 20

Radar Appearance Settings................................................ 20

Front-of-Boat Offset............................................................ 20

Measuring the Potential Front-of-Boat Offset................. 20

Setting the Front-of-Boat Offset..................................... 20

Digital Selective Calling.............................................. 20

Networked Chartplotter and VHF Radio Functionality............. 20

Turning On DSC...................................................................... 20

DSC List................................................................................... 20

Viewing the DSC List.......................................................... 20

Adding a DSC Contact........................................................ 20

Incoming Distress Calls........................................................... 20

Navigating to a Vessel in Distress....................................... 21

Man-Overboard Distress Calls Initiated from a VHF Radio. 21

Man-Overboard Distress Calls Initiated from the

Chartplotter......................................................................... 21

Position Tracking..................................................................... 21

Viewing a Position Report................................................... 21

Navigating to a Tracked Vessel.......................................... 21

Creating a Waypoint at the Position of a Tracked Vessel... 21

Editing Information in a Position Report.............................. 21

Deleting a Position-Report Call........................................... 21

Viewing Vessel Trails on the Chart..................................... 21

Individual Routine Calls........................................................... 21

Selecting a DSC Channel................................................... 21

Making an Individual Routine Call....................................... 21

Making an Individual Routine Call to an AIS Target............ 21

SiriusXM®..................................................................... 22

SiriusXM Equipment and Subscription Requirements............. 22

Weather Data Broadcasts........................................................ 22

Viewing Precipitation Information............................................. 22

Precipitation Views.............................................................. 22

Storm Cell and Lightning Information....................................... 22

Hurricane Information.............................................................. 22

Weather Warnings and Weather Bulletins............................... 22

Forecast Information................................................................ 23

Viewing Forecast Information for Another Time Period...... 23

Viewing a Marine Forecast or an Offshore Forecast........... 23

Weather Fronts and Pressure Centers............................... 23

City Forecasts..................................................................... 23

Viewing Sea Conditions........................................................... 23

Surface Winds..................................................................... 23

Wave Height, Wave Period, and Wave Direction................ 23

Viewing Forecast Sea Conditions Information for Another

Time Period......................................................................... 23

Viewing Fishing Information..................................................... 23

Surface Pressure and Water Temperature Data................. 23

Forecasting Fish Locations................................................. 24

Visibility Information................................................................. 24

Viewing Forecast Visibility Information for Another Time

Period.................................................................................. 24

Viewing Buoy Reports.............................................................. 24

Viewing Local Weather Information near a Buoy................ 24

Creating a Waypoint on a Weather Chart................................ 24

Weather Overlay...................................................................... 24

Turning On the Weather Overlay on a Chart...................... 24

Weather Overlay Settings on the Navigation Chart............ 24

Weather Overlay Settings on the Fishing Chart.................. 24

ii Table of Contents

Viewing Weather Subscription Information.............................. 24

SiriusXM Radio........................................................................ 24

Customizing the Channel Guide......................................... 24

Saving a SiriusXM Channel to the Presets List................... 25

Adjusting SiriusXM Satellite Radio Volume......................... 25

Device Configuration................................................... 25

Turning On the Chartplotter Automatically............................... 25

System Settings....................................................................... 25

GPS Settings....................................................................... 25

Viewing the Event Log........................................................ 25

Viewing System Software Information................................ 25

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

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

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

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

Communications Settings........................................................ 26

NMEA 0183......................................................................... 26

NMEA 0183 Settings...................................................... 26

Viewing a List of NMEA 2000 Network Devices.................. 26

Setting Up the Wireless Network........................................ 27

Connecting a Wireless Device to the Chartplotter.......... 27

Changing the Wireless Channel..................................... 27

Setting Alarms.......................................................................... 27

Navigation Alarms............................................................... 27

System Alarms.................................................................... 27

Setting the Fuel Alarm......................................................... 27

Setting Weather Alarms...................................................... 27

Units Settings........................................................................... 27

Navigation Settings.................................................................. 27

Auto Guidance Line Configurations.................................... 27

Adjusting the Distance from Shore...................................... 28

Other Vessel Settings.............................................................. 28

Chartplotter Data Management...................................28

Copying Waypoints, Routes, and Tracks to a Chartplotter...... 28

Copying Data from a Memory Card......................................... 28

Copying Waypoints, Routes, and Tracks to a Memory Card... 29

Copying Waypoints, Routes, and Tracks to or from all

Chartplotters on the Network................................................... 29

Copying Built-In Maps to a Memory Card................................ 29

Backing Up Data to a Computer.............................................. 29

Restoring Backup Data to a Chartplotter................................. 29

Saving System Information to a Memory Card........................ 29

Appendix.......................................................................29

Registering Your Device.......................................................... 29

Cleaning the Screen................................................................ 29

Screenshots............................................................................. 29

Capturing Screenshots........................................................ 29

Copying Screenshots to a Computer.................................. 29

Troubleshooting....................................................................... 29

Restoring the Original Chartplotter Factory Settings........... 29

Viewing System Software Information................................ 29

NMEA 0183 Information........................................................... 30

NMEA 2000 PGN Information.................................................. 30

Software License Agreement................................................... 30

Index..............................................................................32

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.

Device Front View

ÀAutomatic backlight sensor

ÁPower key

ÂDevice keys

ÃNumber pad (available on 10 inch models only)

ÄSD memory card slot

ÅSoft keys

Device Keys

Turns on and off the device when held.

Adjusts the backlight and color mode when quickly pressed

and released.

Zooms out of a chart or view.

Zooms in to a chart or view.

Scrolls, highlights options, and moves the cursor.

SELECT Acknowledges messages and selects options.

BACK Returns to the previous screen.

MARK Saves the present location as a waypoint.

HOME Returns to the Home screen.

MENU Opens a menu of options for the page, when applicable.

Closes a menu, when applicable.

Downloading the Manuals

You can get the latest owner's manual and translations of

manuals from the web.

1Go to www.garmin.com/support.

2Select Manuals.

3Follow the on-screen instructions to download the manual for

your product.

Manual Conventions

In this manual, the term “select” is used to describe these

actions.

• Touching an item on the screen (for touchscreen devices

only).

• Using the arrow keys to highlight a menu item, and then

pressing SELECT (for hard key devices only).

• Pressing a key, such as SELECT or MENU.

When you are instructed to select multiple items in a series,

small arrows appear in the text. For example, "select MENU >

Add," indicates that you need to select the MENU item or hard

key and then select the Add item.

The images in this manual are for reference only and may not

match your device exactly.

Getting More Information

If you have any questions about your device, you can contact

Garmin® Product Support.

The website, www.garmin.com/support, offers many different

troubleshooting tips to help resolve most issues and answer

most questions.

• Frequently-asked questions (FAQs)

• Software updates

• Owner's and installation manuals

• Service alerts

• Video

• Contact numbers and addresses

Inserting Memory Cards

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 record

sonar data and transfer data such as waypoints, routes, and

tracks to another compatible Garmin chartplotter or a computer.

1Open the access door À on the front of the chartplotter.

2Insert the memory card Á with the label facing to the right.

3Press the card in until it clicks.

4Close the door.

Loading the New Software on a Memory

Card

The device may contain a software-update memory card. If so,

follow the instructions provided with the card. If a software

update memory card is not included, you must copy the

software update to a memory card.

1Insert a memory card into the card slot on the computer.

2Go to www.garmin.com/support/software/marine.html.

3Select Download next to “Garmin Marine Network with SD

card.”

4Read and agree to the terms.

5Select Download.

6Select Run.

7Select the drive associated with the memory card, and select

Next > Finish.

Updating the Device Software

Before you can update the software, you must obtain a

software-update memory card or load the latest software onto a

memory card.

1Turn on the chartplotter.

2After the home screen appears, insert the memory card into

the card slot.

Introduction 1

NOTE: In order for the software update instructions to

appear, the device must be fully booted before the card is

inserted.

3Follow the on-screen instructions.

4Wait several minutes while the software update process

completes.

The device returns to normal operation after the software

update process is complete.

5Remove the memory card.

NOTE: If the memory card is removed before the device

restarts fully, the software update is not complete.

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.

Setting the Vessel Type

You can select your boat type to configure the chartplotter

settings and to use features customized for your boat type.

1Select Settings > My Vessel > Vessel Type.

2Select Powerboat or Sailboat.

Adjusting the Backlight

1Select Settings > System > Display > Backlight.

TIP: Press from any screen to access the backlight

settings.

2Select an option:

• Adjust the backlight level.

• Select Auto Backlight or Auto.

Adjusting the Color Mode

1Select Settings > System > Display > Color Mode.

TIP: Press from any screen to access the color settings.

2Select an option.

Customizing the Home Screen

You can add items to and rearrange items on the Home screen.

1From the Home screen, select Customize Home.

2Select an option:

• To rearrange an item, select Rearrange, select the item

to move, and select the new location.

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

select the new item.

• To remove an item you have added to the Home screen,

select Remove, and select the item.

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.

Navigation Chart and Offshore Fishing Chart

NOTE: The offshore Fishing chart is available with premium

charts, in some areas.

The Navigation and Fishing charts allow you to plan your

course, view map information, and follow a route. The Fishing

chart is for offshore fishing.

To open the Navigation chart, select Charts > Navigation

Chart.

To open the Fishing chart, select Charts > Fishing Chart.

Zooming In and Out of the Chart

The zoom level is indicated by the scale number at the bottom

of the chart. The bar under the scale number represents that

distance on the chart.

• Select to zoom out.

• Select to zoom in.

Panning the Chart with the Keys

You can move the chart to view an area other than your present

location.

1From the chart, use the arrow keys.

2Select BACK to stop panning and return the screen to your

present location.

Selecting an Item on the Map Using the Device Keys

1From a chart or 3D chart view, select , , , or to move

the cursor.

2 Charts and 3D Chart Views

2Select SELECT.

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.

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 New

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.

NOTE: Not all models support all charts.

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 (Showing Satellite Imagery on the

Navigation Chart).

Aerial Photos: Shows marinas and other navigationally

significant aerial photos to help you visualize your

surroundings (Viewing Aerial Photos of Landmarks).

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, and 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.

Charts and 3D Chart Views 3

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.

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 (Showing and

Configuring Tides and Currents).

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

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 Setup >

Satellite 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.

4 Charts and 3D Chart Views

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.

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 Vessels on a Chart or 3D Chart View

Before you can use AIS, you must connect the chartplotter to an

external AIS device and receive active transponder signals from

other vessels.

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

3D chart view. The display range 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 3D chart view, select MENU > Other

Vessels > AIS 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 details about AIS-activated vessels, select

Details > Show.

• To set the projected heading time for AIS-activated

vessels, select Proj. Heading, and enter the time.

• To show the tracks of AIS vessels, select Trails, and

select the length of the track that appears using a trail.

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 Target.

Viewing a List of AIS Threats

From a chart or 3D chart view, select MENU > Other

Vessels > AIS List.

Setting the Safe-Zone Collision Alarm

Before you can set a safe-zone collision alarm, you must have a

compatible chartplotter connected to an AIS device.

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

zone is used for collision avoidance, and can be customized.

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

A message banner appears and an alarm sounds when 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.

• To receive or ignore Search and Rescue Transponder

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

Charts and 3D Chart Views 5

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 (Fish Eye 3D Settings).

From a chart or a 3D chart view, select MENU.

Waypoints & Tracks: See Waypoints and Tracks Settings on

the Charts and Chart Views.

Other Vessels: See Other Vessels Settings on the Charts and

Chart Views.

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.

Laylines: Adjusts the laylines, when in sailing mode (Laylines

Settings).

Chart Setup: See Navigation and Fishing Chart Setup.

Overlay Numbers: See Overlay Numbers Settings. This might

appear in the Chart Setup menu.

Chart Appearance: See Chart Appearance Settings. This might

appear in the Chart Setup menu.

Waypoints and Tracks Settings on the Charts and

Chart Views

From a chart or a 3D chart view, select MENU > Waypoints &

Tracks.

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

Waypoints: Shows the Waypoints list (Viewing a List of all

Waypoints).

New Waypoint: Creates a new waypoint.

Waypoint Display: Sets how to display waypoints on the chart.

Active Tracks: Shows the active track options menu.

Saved Tracks: Shows the list of saved tracks (Viewing a List of

Saved Tracks).

Tracks Display: Sets which tracks to display on the chart

based on track color.

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 3D chart view, select MENU > Other Vessels.

AIS List: Shows the AIS list (Viewing a List of AIS Threats).

DSC List: Shows the DSC list (DSC List).

AIS Display Setup: See AIS Display Settings.

DSC Trails: Shows the tracks of DSC vessels, and selects the

length of the track that appears using a trail.

AIS Alarm: Sets the safe-zone collision alarm (Setting the Safe-

Zone Collision Alarm).

AIS Display Settings

NOTE: AIS requires the use of an external AIS device and

active transponder signals from other vessels.

From a chart or 3D chart view, select MENU > Other Vessels >

AIS Display Setup.

AIS Dis. Range: Indicates the distance from your location within

which AIS vessels appear.

Details: Shows details about AIS-activated vessels.

Proj. Heading: Sets the projected heading time for AIS-

activated vessels.

Trails: Shows the tracks of AIS vessels, and select the length of

the track that appears using a trail.

Laylines Settings

When in sailing mode (Setting the Vessel Type), you can

display laylines on the navigation chart. Laylines can be

especially helpful when racing.

From the navigation chart, select MENU.

Display: Adjusts how the laylines and vessel are shown on the

chart, and adjusts the length of the laylines.

Sailing Angle: Allows you to select how the device calculates

laylines. The Actual setting calculates the laylines by using

the measured wind angle from the wind sensor. The Manual

setting calculates the laylines by using manually entered

windward and leeward angles.

Tide Correction: Corrects the laylines based on the tide.

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 Setup.

Satellite Photos: Shows high-resolution satellite images on the

land or on both land and sea portions of the Navigation chart,

when certain premium maps are used (Showing Satellite

Imagery on the Navigation Chart).

Tides & Currents: Shows current station indicators and tide

station indicators on the chart (Showing and Configuring

Tides and Currents).

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. When in sailing mode, true and apparent wind are

shown on the wind rose.

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

when 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.

Overlay Numbers: See Overlay Numbers Settings.

Chart Appearance: See Chart Appearance Settings.

Overlay Numbers Settings

From a chart, 3D chart view, the Radar screen, or a

Combinations screen, select MENU > Overlay Numbers.

Edit Layout: Sets the layout of the data overlay, or data fields.

You can select the data to be shown within each data field.

Nav. Inset: Shows the navigation inset when the vessel is

navigating to a destination.

Navigation Inset Setup: Allows you to configure the navigation

inset to show Route Leg Details, and to control when the

inset appears before a turn or destination.

Compass Tape: Shows the compass tape data bar when the

vessel is navigating to a destination.

Editing the Data Fields

You can change the data shown in the overlay numbers

displayed on the charts and other screens.

1From a screen that supports overlay numbers, select MENU.

6 Charts and 3D Chart Views

2If necessary, select Chart Setup.

3Select Overlay Numbers > Edit Layout.

4Select a layout.

5Select a data field.

6Select the type of data shown in the field.

Available data options vary based on the chartplotter and

network configuration.

Showing a Navigation Inset

You can control whether a navigation inset appears on some

chart views. The navigation inset is shown only when the boat is

navigating to a destination.

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

2If necessary, select Chart Setup.

3Select Overlay Numbers > Nav. Inset > Auto.

4Select Navigation Inset Setup.

5Complete an action:

• To show waypoint velocity made good (VMG) when

navigating a route with more than one leg, select Route

Leg Details > On.

• To show next-turn data based on distance, select Next

Turn > Distance.

• To show next-turn data based on time, select Next Turn >

Time.

• To indicate how the destination data appears, select

Destination, and select an option.

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 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.

Inset Map: Shows a map zoomed in on the vessel's location in

the corner of the main map.

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.

Fish Eye 3D Settings

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

areas.

From the Fish Eye 3D chart view, select 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

If your vessel has an autopilot system, a dedicated autopilot

control display must be installed at each steering helm in order

to disable the autopilot system.

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.

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.

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.

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 Setting

and Following a Direct Course Using

Go To.

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 Creating and

Navigating a Route From Your

Present Location.

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 Creating and

Navigating a Route From Your

Present Location.

How do I make the device

steer my automatic pilot?

Navigate using Route To. See

Creating and Navigating a Route From

Your Present Location.

Navigation with a Chartplotter 7

Question Answer

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

Setting and Following a Course Using

Auto Guidance.

How do I change the Auto

Guidance settings for my

boat?

See Auto Guidance Line

Configurations.

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 Nav Info > 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 Destination Using Nav Info

1Select Nav Info.

2Select an option:

• To view a list of preloaded locations and previously

marked locations, select Waypoints.

• To view a list of previously saved routes, select Routes.

• To view a list of recorded tracks, select Tracks.

• To view a list of slips, moorings, and other offshore points

of interest, select Offshore Services.

• To view a list of marinas and other inland points of

interest, select Inland Services.

• To search for a destination by name, select Search by

Name.

3Select 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 Nav Info.

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 or to view additional information or to

show the location on a chart.

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 (Destinations).

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,

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 (Destinations).

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.

Autopilot Navigation

When you start navigation (Go To, Route To, or Guide To), if

you are connected through a NMEA 2000® network to a

compatible Garmin autopilot, you are prompted to engage the

autopilot.

Stopping Navigation

From the Navigation chart or Fishing chart, select MENU >

Stop Navigation.

8 Navigation with a Chartplotter

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 Nav Info > Waypoints > New 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 Select.

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 > Man Overboard.

• From the Home screen, select Man Overboard > 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 Nav Info > Waypoints.

Editing a Saved Waypoint

1Select Nav Info > Waypoints.

2Select a waypoint.

3Select Edit Waypoint.

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.

• To move the position of the waypoint, select Move.

Moving a Saved Waypoint

1Select Nav Info > Waypoints.

2Select a waypoint.

3Select Edit Waypoint > 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 Nav Info > 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 Nav Info > Waypoints.

2Select a waypoint or an MOB.

3Select Delete.

Deleting All Waypoints

Select Nav Info > Manage 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.

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 Nav Info > 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.

Navigation with a Chartplotter 9

Viewing a List of Routes

Select Nav Info > Routes.

Editing a Saved Route

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

route contains.

1Select Nav Info > Routes.

2Select a route.

3Select 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 Nav Info > 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 Nav Info > 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 Nav Info > Routes.

2Select a route.

3Select Delete.

Deleting All Saved Routes

Select Nav Info > Manage 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 > Waypoints

& Tracks > Tracks > On.

A trailing line on the chart indicates your track.

Setting the Color of the Active Track

1Select Nav Info > 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 Nav Info > Tracks > Save Active Track.

2Select an option:

• Select the time the active track began.

• Select Entire Log.

3Select Save.

Viewing a List of Saved Tracks

Select Nav Info > Tracks > Saved Tracks.

Editing a Saved Track

1Select Nav Info > 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 Nav Info > Tracks > Saved Tracks.

2Select a track.

3Select 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 (Tracks).

1Select Nav Info > Tracks > Saved Tracks.

2Select a track.

3Select Follow Track.

10 Navigation with a Chartplotter

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 Nav Info > Tracks > Saved Tracks.

2Select a track.

3Select Delete.

Deleting All Saved Tracks

Select Nav Info > Manage Data > Clear User Data > Saved

Tracks.

Retracing the Active Track

The track currently being recorded is called the active track.

1Select Nav Info > 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 Nav Info > 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 Nav Info > 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 Nav Info > Tracks > Active Track Options > Record

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 Nav Info > Manage Data > Clear User Data > All >

OK.

Combinations

The Combination screen shows a combination of different

screens at the same time. The number of options available on

the Combination screen depends on the optional devices you

have connected to your chartplotter and whether you are using

premium maps.

Selecting a Combination

1Select Combinations.

2Select a combination.

Customizing a Combination Screen

1Select Combinations.

2Use the arrow keys to highlight a Combination screen.

3Select Configure.

4Select an option:

• To change the name, select Name, and enter a new

name.

• To change the arrangement of the information on the

screen, select Change Layout, and select a new layout.

• To change the information shown on the screen, select

Change Function, and select new information.

• To customize the data shown on the screen, select

Overlay Numbers (Overlay Numbers Settings).

Creating a Custom Combination Screen

You can create a custom Combination screen to suit your

needs.

1Select Combinations > Add.

2Select a layout.

3Select the information to display in the combination.

4Enter a name for the combination, and select Done.

Deleting a Combination Screen

1Select Combinations.

2Use the arrow keys to highlight a Combination screen.

3Select Configure > Remove Combination.

Gauges and Almanac Information

Gauges provide various information about the trip, engine,

environment, and wind, and are available on all chartplotter

models. Numbers, Compass, and Trip gauges are available on

all chartplotters. Wind and Environment gauges require valid

wind data from the NMEA® 0183 or NMEA 2000 network.

Engine gauges require a connection to the NMEA 2000

network, so they are not available on all chartplotter models.

The chartplotters also provide almanac information about tides,

currents, and the sun and moon, such as rise and set times.

Viewing the Compass

You can view information about your bearing, heading, and

route using the compass.

Select Gauges > Compass.

Viewing Trip Gauges

Trip gauges show information for odometer, speed, time, and

fuel for your present trip.

Select Gauges > Trip Data.

Resetting Trip Gauges

1Select Gauges > Trip Data > MENU.

Combinations 11

2Select an option:

• To set all the readings for the present trip to zero, select

Reset Trip.

• To set the maximum speed reading to zero, select Reset

Maximum Speed.

• To set the odometer reading to zero, select Reset

Odometer.

• To set all the readings to zero, select Reset All.

Viewing Engine and Fuel Gauges

Before you can view engine and fuel gauges, you must be

connected to a NMEA 2000 network capable of sensing engine

and fuel data. See the installation instructions for details.

Select Gauges > Engine.

Customizing Engine Gauge and Fuel Gauge Limits

You can configure the upper and lower limits and the range of

desired standard operation of a gauge. When a value exceeds

the range of standard operation, the gauge becomes red.

NOTE: Not all options are available for all gauges.

1From the engine gauges screen, select MENU > Gauge

Setup > Set Gauge Limits.

2Select a gauge.

3Select Gauge Limits > Custom > Edit Limits.

4Select an option:

• To set the minimum value of the standard operating

range, select Rated Min..

• To set the maximum value of the standard operating

range, select Rated Max..

• To set the lower limit of the gauge lower than the rated

minimum, select Scale Min..

• To set the upper limit of the gauge higher than the rated

maximum, select Scale Max..

5Select the limit value.

6Repeat steps 4 and 5 to set additional gauge limits.

Enabling Status Alarms for Engine Gauges

You can enable the chartplotter to display engine status alarms.

From the engine gauges screen, select MENU > Gauge

Setup > Status Alarms > On.

When an engine alarms is triggered, a gauge status alarm

message appears and the gauge may become red depending

on the type of alarm.

Enabling Some Engine Gauge Status Alarms

1From the engine gauges screen, select MENU > Gauge

Setup > Status Alarms > Custom.

2Select one or more engine gauge alarms to turn on or off.

Selecting the Number of Engines Shown in Gauges

You can show information for up to four engines.

1From the engine gauges screen, select MENU > Gauge

Setup > Engine Selection > Num. Engines.

2Select an option:

• Select the number of engines.

• Select Auto Configure to automatically detect the

number of engines.

Customizing the Engines Shown in Gauges

Before you can customize how the engines are shown in the

gauges, you must manually select the number of engines

(Selecting the Number of Engines Shown in Gauges).

1From the engine gauges screen, select MENU > Gauge

Setup > Engine Selection > Edit Engines.

2Select First Engine.

3Select the engine to display in the first gauge.

4Repeat for the remaining engine bars.

Configuring the Fuel Gauges Display

Before you can configure and display the fuel levels, you must

connect a compatible engine, fuel flow sensor, or tank level

sensor to the NMEA 2000 network.

You can display the total amount of fuel on-board either as a

numeric display that shows the total fuel or as a graphic display

that shows the level in each fuel tank.

1Select Gauges > Engine > MENU > Gauge Setup > Fuel

Display.

2Select an option:

• To display the total fuel level in all tanks, select Use Total

Fuel Onboard.

• To display the amount of fuel in each tank, select Use

Fuel Tank Levels.

Setting the Fuel Capacity of the Vessel

1Select Settings > My Vessel > Fuel Capacity.

2Enter the combined total capacity of the fuel tanks.

Synchronizing the Fuel Data with the Actual Vessel

Fuel

You can synchronize the fuel levels in the chartplotter with the

actual fuel in the vessel when you add fuel to your vessel.

1Select Gauges > Engine > MENU.

2Select an option:

• After you have filled up all the fuel tanks on the vessel,

select Fill Up All Tanks. The fuel level is reset to

maximum capacity.

• After you have added less than a full tank of fuel, select

Add Fuel to Boat, and enter the amount added.

• To specify the total fuel in the vessel tanks, select Set

Total Fuel Onboard, and enter the total amount of fuel in

the tanks.

Setting the Fuel Alarm

Before you can set a fuel level alarm, a compatible fuel flow

sensor must be connected to the NMEA 2000 network.

You can set an alarm to sound when the total amount of

remaining onboard fuel reaches the level you specify.

1Select Settings > Alarms > Fuel > Fuel Alarm > On.

2Enter the remaining amount of fuel that triggers the alarm.

Viewing the Wind Gauges

Before you can view wind information, you must have a wind

sensor connected to the chartplotter.

Select Gauges > Wind.

Configuring the Speed Source

You can specify whether the vessel speed data displayed on

the gauge and used for wind calculations is based on water

speed or GPS speed.

1Select Gauges > Wind > MENU > Speed Display.

2Select an option:

• To calculate the vessel speed based on data from the

water-speed sensor, select Water Speed.

• To calculate the vessel speed based on GPS data, select

GPS Speed.

Configuring the Heading Source of the Wind Gauge

You can specify the source of the heading displayed on the

wind gauge. Magnetic heading is the heading data received

12 Gauges and Almanac Information

from a heading sensor, and GPS heading is calculated by your

chartplotter GPS (course over ground).

1Select Gauges > Wind > MENU > Heading Source.

2Select GPS Hdg or Magnetic.

Selecting the Range of the Close-Hauled Wind Gauge

You can specify the range of the close-hauled wind gauge for

both the upwind scale and the downwind scale.

1Select Gauges > Wind > MENU.

2Select an option:

• To set the maximum and minimum values that appear

when the upwind close-hauled wind gauge appears,

select Change Upwind Scale, and set the angles.

• To set the maximum and minimum values that appear

when the downwind close-hauled wind gauge appears,

select Change Downwind Scale, and set the angles.

Viewing the Environment Gauges

Select Gauges > Environment.

Configuring the Alignment of the Wind Gauge

You can specify the alignment of the wind gauge on the

environment gauges.

1Select Gauges > Environment > MENU > Alignment.

2Select an option:

• To set the top of the wind gauge to a North heading,

select North Up.

• To rotate the gauge so the direction in which you are

moving is at the top, select Head Up.

Configuring the Heading Source of the Environment

Gauge

You can specify the source of the heading displayed on the

environment gauge. Magnetic heading is the heading data

received from a heading sensor, and GPS heading is calculated

by your chartplotter GPS (course over ground).

1Select Gauges > Environment > MENU > Heading Source.

2Select GPS Hdg or Magnetic.

Setting the Barometer Reference Time

You can specify the reference time used to calculate the

barometer trend. The trend is indicated in the barometer field.

1Select Gauges > Environment > MENU > Pressure Ref.

Time.

2Select an option.

Tide, Current, and Celestial Information

Tide Station Information

You can view information about a tide station for a specific date

and time, including the tide height, and when the next high and

low tides will occur. By default, the chartplotter shows tide

information for the most recently viewed tide station and for the

present date and time.

Select Nav Info > Tides & Currents > Tides.

Current Station Information

NOTE: Current station information is available with certain

detailed maps.

You can view information about a current station for a specific

date and time, including the current speed and level of the

current. By default, the chartplotter shows current information

for the most recently viewed current station and for the present

date and time.

Select Nav Info > Tides & Currents > Currents.

Celestial Information

You can view information about sunrise, sunset, moonrise,

moonset, moon phase, and the approximate sky view location

of the sun and moon. The center of the screen represents the

sky overhead, and the outermost rings represent the horizon.

By default, the chartplotter shows celestial information for the

present date and time.

Select Nav Info > Tides & Currents > Celestial.

Viewing Tide Station, Current Station, or Celestial

Information for a Different Date

1Select Nav Info > Tides & Currents.

2Select Tides, Currents, or Celestial.

3Select an option.

• To view information for a different date, select Change

Date > Manual, and enter a date.

• To view information for today, select Change Date >

Current.

• If available, to view information for the day after the date

shown, select Next Day.

• If available, to view information for the day before the date

shown, select Previous Day.

Viewing Information for a Different Tide or Current

Station

1Select Nav Info > Tides & Currents.

2Select Tides or Currents.

3Select Nearby Stations.

4Select a station.

Viewing Almanac Information from the Navigation

Chart

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

2Select Information.

3Select Tides, Currents, or Celestial.

Sonar

When properly connected to an optional Garmin sounder

module and a transducer, your compatible chartplotter can be

used as a fishfinder. There are different sonar views to help you

view the fish in the area.

The adjustments you can make to each sonar view vary

depending on the view you are in and the chartplotter model,

sounder module, and transducer you have connected.

Sonar Views

The sonar views available vary depending on the type of

transducer and optional sounder module connected to the

chartplotter. For example, you can view the DownVü screen

only if you have a DownVü transducer connected.

There are four basic styles of sonar views available: a full-

screen view, a split-screen view that combines two or more

views such as Traditional and DownVü, a split-zoom view, and

a split-frequency view that displays two different frequencies.

You can customize the settings for each view in the screen. For

example, if you are viewing the Split Frequency view, you can

adjust the gain for each of the frequencies separately.

If you do not see an arrangement of sonar views to suit your

needs, you can create a custom Combination screen (Creating

a Custom Combination Screen).

Full-Screen Sonar View

There are several full-screen views available, depending on the

equipment connected. The full-screen sonar views show a large

image of the sonar readings from a transducer. The range scale

Sonar 13

along the right side of the screen shows the depth of detected

objects as the screen scrolls from the right to the left.

ÀDepth information

ÁSuspended targets or fish

ÂBottom of the body of water

DownVü Sonar View

NOTE: Not all models support DownVü sonar technology and

transducers.

NOTE: To receive DownVü scanning sonar, you need a

compatible chartplotter or fishfinder and a compatible

transducer.

DownVü high-frequency sonar provides a clearer picture below

the boat, providing a more detailed representation of structures

the boat is passing over.

Traditional transducers emit a conical beam. The DownVü

scanning sonar technology emits a narrow beam, similar to the

shape of the beam in a copying machine. This beam provides a

clearer, picture-like image of what is beneath the boat.

SideVü Sonar View

NOTE: Not all models support SideVü sonar and scanning

transducers.

NOTE: To receive SideVü scanning sonar, you need a

compatible chartplotter, a compatible sounder module, and a

compatible transducer.

SideVü scanning sonar technology shows you a picture of what

lies to the sides of the boat. You can use this as a search tool to

find structures and fish.

ÀLeft side of the boat

ÁRight side of the boat

ÂThe transducer on your vessel

ÃTrees

ÄOld tires

ÅLogs

ÆDistance from the side of the boat

SideVü/DownVü Scanning Technology

Instead of a more common conical beam, the SideVü/DownVü

transducer uses a flat beam to scan the water and ground to the

sides of your boat.

Split-Zoom Sonar View

The split-zoom sonar view shows a full-view graph of sonar

readings, and a magnified portion of that graph, on the same

screen.

Select Sonar > Split Zoom.

Split-Frequency Sonar View

In the split-frequency sonar view, one side of the screen shows

a full-view graph of high frequency sonar data, and the other

side of the screen shows a full-view graph of lower frequency

sonar data.

NOTE: The split-frequency sonar view requires the use of a

dual-frequency transducer.

Select Sonar > Split Frequency.

Pausing the Sonar Display

From a Sonar view, select MENU > Pause Sonar.

Creating a Waypoint on the Sonar Screen

1From a sonar view, select MENU > Pause Sonar.

2Select the location of the waypoint.

3Select New Waypoint.

Viewing Sonar History

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

1From a sonar view, select MENU > Pause Sonar.

2Drag the screen or use the arrow keys.

Adjusting the Level of Detail

You can control the level of detail and noise shown on the sonar

screen either by adjusting the gain for traditional transducers, or

by adjusting the brightness for DownVü and SideVü/DownVü

transducers.

If you want to see the highest intensity signal returns on the

screen, you can lower the gain or brightness to remove lower

intensity returns and noise. If you want to see all return

information, you can increase the gain or brightness to see

more information on the screen. This also increases noise, and

can make it more difficult to recognize actual returns.

1From a sonar view, select MENU.

2Select Gain or Brightness.

3Select an option:

• To increase or decrease the gain or brightness manually,

select Up or Down.

• To allow the chartplotter to adjust the gain or brightness

automatically, select an automatic option.

Adjusting the Color Intensity

You can adjust the intensity of colors and highlight areas of

interest on the sonar screen by adjusting the color gain for

14 Sonar

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