Garmin GPSMAP 4008 User Manual
GPSMAP® 4000/5000 Series
owner’s manual
© 2008 Garmin Ltd. or its subsidiaries
Garmin International, Inc.
1200 East 151st Street,
Olathe, Kansas 66062, USA
Tel. (913) 397.8200 or (800)
800.1020
Fax (913) 397.8282
All rights reserved. Except as expressly provided herein, no part of this manual may be reproduced, copied, transmitted,
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Information in this document is subject to change without notice. Garmin reserves the right to change or improve its
products and to make changes in the content without obligation to notify any person or organization of such changes or
improvements. Visit the Garmin Web site (www.garmin.com) for current updates and supplemental information concerning
the use and operation of this and other Garmin products.
Garmin® is a trademark of Garmin Ltd. or its subsidiaries, registered in the USA and other countries. GPSMAP®,
AutoLocate®, TracBack®, and BlueChart® are trademarks of Garmin Ltd. or its subsidiaries. These trademarks may not be
used without the express permission of Garmin.
Garmin (Europe) Ltd.
Liberty House
Hounsdown Business Park,
Southampton, Hampshire, SO40 9RB UK
Tel. +44 (0) 870.8501241 (outside the UK)
0808 2380000 (within the UK)
Fax +44 (0) 870.8501251
Garmin Corporation
No. 68, Jangshu 2nd Road,
Shijr, Taipei County, Taiwan
Tel. 886/2.2642.9199
Fax 886/2.2642.9099
WARNING: See the Important Safety and Product Information guide in the product box for
product warnings and other important information.
January 2008 Part Number 190-00854-00 Rev. D Printed in Taiwan
Introduction
Introduction
This manual includes information for the following products:
GPSMAP® 4008
•
GPSMAP® 4010
•
GPSMAP® 4012
•
GPSMAP® 5008
•
GPSMAP® 5012
•
GPSMAP® 5015
•
Tips and Shortcuts
Press or touch HOME from any screen to return to the Home screen.
•
Press or touch MENU from any main screen to access additional settings.
•
Press and release the Power key to adjust the display settings.
•
Press and hold the Power key to turn the unit on or off.
•
Manual Conventions
In this manual, when you are instructed to select an item, either press the soft key along the right
side of the screen (GPSMAP 4000 series units) or use your nger to touch that item on the screen
(GPSMAP 5000 series units) to select it. Small arrows (>) in the text indicate that you should select
each item in order. For example, if you see “select Charts > Navigation Chart,” you should press
the Charts soft key (GPSMAP 4000 series) or touch Charts (GPSMAP 5000 series), and then select
or touch Navigation Chart.
Turning the Unit On or Off: page 2.
•
Acquiring GPS Satellite Signals: page 3.
•
Inserting and Removing SD Cards: page 3.
•
Restoring Factory Settings: page 3.
•
Using the Navigation Chart: page 5.
•
Changing the Chart Settings: page 9.
•
Navigating to a Destination: page 18.
•
Creating a Waypoint: page 20.
•
Conguring System Settings: page 29.
•
Using Radar: page 35.
•
Using Sonar: page 39.
•
Alarms and Messages: page 45.
•
Quick Links
GPSMAP® 4000/5000 Series Owner’s Manual i
Introduction
Table of Contents
Introduction ................................................i
Tips and Shortcuts .........................................i
Manual Conventions ...................................... i
Quick Links ....................................................i
Getting Started ..........................................1
Unit Overview ...............................................1
Turning the Unit On or Off ............................2
Adjusting the Backlight .................................2
Acquiring GPS Satellite Signals ...................3
Inserting and Removing SD Cards ...............3
Restoring Factory Settings ...........................3
Viewing System Information .........................3
Using the Simulator Mode ............................4
Understanding the Home Screen .................4
Using Charts .............................................5
Using the Navigation Chart ..........................5
Zooming In and Out on the Map .................... 5
Navigation Chart Settings .............................. 5
Understanding Chart Data ............................. 5
Navigating to a Point on the Chart ................. 6
Panning the Navigation Chart ........................ 6
Accessing Additional Object Information ........ 7
Viewing Tide-Station Information.................... 7
Using Mariner’s Eye .....................................8
Mariner’s Eye Settings ................................... 8
Changing the Chart Settings ........................9
Changing the Chart Appearance .................... 9
Using Tracks ...............................................10
Using BlueChart g2 Vision..........................11
Using Mariner’s Eye 3D ..............................12
Mariner’s Eye 3D Settings ............................ 12
Using Fish Eye 3D ......................................13
Fish Eye 3D Settings .................................... 13
Using Fishing Charts ..................................13
Enabling High-Resolution Satellite
Imagery .................................................14
Viewing Aerial Photos .................................15
Viewing Current Station Information ...........15
Detailed Road and POI Data ......................15
Using Automatic Guidance .........................15
Using Combinations ...............................16
Where To? ...............................................18
Navigating to a Destination ........................18
Creating and Using Waypoints ...................20
Creating and Using Routes ........................22
Viewing Information ...............................24
Viewing Tide Station Information ................24
Viewing Current Information .......................24
Viewing Engine Gauges .............................27
Viewing Fuel Gauges .................................27
Viewing Video .............................................28
Conguring the Chartplotter .................29
Conguring System Settings ......................29
Changing Units of Measure ........................29
Conguring Communications Settings .......30
Setting Alarms ............................................30
Setting Navigation Alarms ............................ 31
Setting System Alarms ................................. 31
Setting Sonar Alarms ................................... 31
Conguring My Boat ...................................31
Conguring Other Boats .............................32
Using the Garmin Marine Network ........33
Viewing Connected Garmin Marine
Network Devices ...................................34
Using Radar ............................................35
Understanding the Cruising Screen ...........36
Cruising Screen Settings .............................. 36
Targeting on the Cruising Screen ................. 37
Understanding the Radar Overlay
Screen ...................................................38
Using Sonar ............................................39
Understanding the Full Screen ...................39
Understanding the Split Zoom Screen .......39
Understanding the Split Frequency
Screen ...................................................40
Understanding the Temp Log .....................40
Setting Up Sonar ........................................41
Advanced Sonar Settings ...........................42
Appendix .................................................43
Specications .............................................43
Physical Specications ................................. 43
GPS Performance (with
GPS 17 antenna) .................................... 43
Power ........................................................... 44
NMEA 2000 Specications: .......................... 44
Initializing Unit Settings ..............................44
Calibrating the Touchscreen .......................44
Alarms and Messages ................................45
Product Registration ...................................47
Contact Garmin ..........................................47
Declaration of Conformity (DoC) ................47
Software License Agreement .....................47
NMEA 0183 and NMEA 2000 .....................48
NMEA 0183 .................................................. 48
Approved NMEA 0183 sentences: ............... 48
NMEA 2000 .................................................. 48
Index ........................................................49
Viewing Celestial Information .....................25
Viewing User Data ......................................25
Viewing Other Boats ...................................26
ii GPSMAP® 4000/5000 Series Owner’s Manual
Getting Started
Getting Started
Unit Overview
Automatic backlight sensor
GPSMAP 4012
NOTE: Use the soft keys to select menu items on the GPSMAP 4000 Series. Touch menu items on the
GPSMAP 5000 Series screen to select them.
Soft keys
POWER
RANGE (+/-)
ROCKER
MARK
SELECT
MENU
HOME
Numeric keypad
(GPSMAP 4010 and 4012)
SD card slot
Started
GettinG
GPSMAP 5008
POWER
Automatic backlight
sensor
SD card slot
GPSMAP® 4000/5000 Series Owner’s Manual 1
Getting Started
NMEA 2000
GettinG
Started
Garmin Marine
connector
Network
connectors
Power
connector
Marine video
connector
NMEA 0183
connector
Turning the Unit On or Off
To turn the unit on, press and release the Power key. When the Warning screen appears, select
I Agree to open the Home screen.
NOTE: The rst time you turn on your unit, you must go through a setup sequence. See page 44.
To turn the unit off, press and hold the Power key.
Warning Screen Home Screen
Adjusting the Backlight
1. Press and release the Power key.
2. Select Backlight.
To allow the unit to automatically adjust the backlight based on ambient light, select Auto.
To manually adjust the backlight,
either select Up or Down, use the
ROCKER (GPSMAP 4000 series),
or touch and drag the brightness
bar (GPSMAP 5000 series).
2 GPSMAP® 4000/5000 Series Owner’s Manual
Getting Started
To adjust the color mode:
1. Press and release the Power key.
2. Select Color Mode.
3. Select Day Colors, Night Colors, or Auto.
Acquiring GPS Satellite Signals
When you turn the unit on, the GPS receiver must collect satellite data and establish its current
location. When the unit acquires satellite signals, the signal strength bars at the top of the Home
screen are green . When the unit loses satellite signals, the green bars disappear and the
position icon shows a ashing question mark.
For more information about GPS, visit the Garmin Web site at www.garmin.com/aboutGPS.
Inserting and Removing SD Cards
Your unit supports Secure Digital (SD) cards. Insert optional BlueChart
view high-resolution satellite imagery, and aerial reference photos of ports, harbors, marinas, and
other points of interest. Insert blank SD cards to transfer data such as waypoints, routes, and tracks
to another compatible Garmin unit or a computer. The SD card slot is located on the lower-right
corner of the unit.
To insert the SD card, open the access door and press the SD card in until it clicks. Press the card in
again and release it to eject it from the chartplotter.
®
g2 Vision™ SD cards to
Started
GettinG
Card label
GPSMAP 4010 and 4012
GPSMAP 4008 and 5000 series
Card label
Restoring Factory Settings
You can restore your unit to the original factory settings.
CAUTION: This procedure deletes any information you have entered.
To restore factory settings:
1. From the Home screen, select Congure > System > System Information.
2. Select Factory Settings.
3. Select Reset to restore all factory settings or select Back to cancel.
Viewing System Information
You can view the software version, basemap version, and unit ID number for your chartplotter.
You may need this information to update the system software or to purchase additional map data
information.
From the Home screen, select Congure > System > System Information.
GPSMAP® 4000/5000 Series Owner’s Manual 3
Getting Started
Using the Simulator Mode
Simulator Mode turns the GPS receiver off for use indoors or for practice. The unit does not track
satellites in simulator mode.
GettinG
Started
CAUTION: Do not try to navigate using Simulator Mode because the GPS receiver is turned off. Any
satellite signal strength bars shown are only simulations and do not represent the strength of actual
satellite signals.
To turn the Simulator Mode on:
1. From the Home screen, select Congure > System > Simulator > On.
2. Select Setup to set speed, track control, position, simulator time, and simulator date.
Understanding the Home Screen
Use the Home screen to access all other screens. Press or touch HOME from any screen to return to
the Home screen.
NOTE: Options on this screen vary based on the unit type. When you add additional hardware to your
Garmin Marine Network, additional options appear.
GPSMAP 4000 Series Home Screen GPSMAP 5000 Series Home Screen
Charts—access Navigation Chart, Mariner’s Eye, Mariner’s Eye 3D, Fish Eye 3D, Fishing
•
Charts and Radar Overlay (page 5).
NOTE: Mariner’s Eye 3D, Fish Eye 3D, and Fishing Charts are available only if you use a BlueChart
g2 Vision SD card.
Radar—set up and view radar (page 35).
•
Sonar—set up and access sonar information (page 39).
•
Combinations—set up the screen to view a chart, sonar, radar, and video in a two or three
•
(GPSMAP 4000 Series) eld, or four (GPSMAP 5000 Series) eld split screen (page 16).
•
Where To?
Information—view information including tides, currents, celestial data, user data, information
•
—access navigation features (page 18).
about other boats, gauges, and video (page 24).
Congure—access unit and system settings (page 29).
•
Mark—mark, edit, or delete your current location as a waypoint or MOB
•
(GPSMAP 5000 Series).
Man Overboard—navigate to a Man Overboard location (GPSMAP 5000 series).
•
4 GPSMAP® 4000/5000 Series Owner’s Manual
Using Charts
Using Charts
Your unit has a basic worldwide imagery map. By purchasing an optional Blue Chart® g2 Vision™
preprogrammed SD card, you can view detailed information for your region, including:
Navigation Chart—displays navigation data, including buoys, lights, cables, depth soundings,
•
marinas, and tide stations in an overhead view.
Mariner’s Eye and Mariner’s Eye 3D—displays a view from above and behind your boat for a
•
visual navigation aid.
Fishing Chart—removes navigational data from the chart and enhances bottom contours for
•
depth recognition.
Fish Eye 3D—an underwater view that visually represents the sea oor according to the
•
information on the chart.
The unit automatically shows relevant navigational data when you select a navigation option.
Using the Navigation Chart
Use the Navigation Chart to plan your course, to view map information, and as a navigational aid.
To access the Navigation Chart, from the Home screen, select Charts > Navigation Chart.
ChartS
USinG
Marine
services
Your boat
Submerged
wreck
Navigation Chart with BlueChart g2 Vision Data
Exposed
wreck
Beacon
Buoy
Zoom scale
Zooming In and Out on the Map
The RANGE (+/-) keys (GPSMAP 4000 series) or the and keys (GPSMAP 5000 series)
control the zoom level, indicated by the scale at the bottom of the navigation chart ( ). The
bar under the number represents that distance on the map.
Navigation Chart Settings
To access additional settings or options for the Navigation chart, press or touch MENU.
Overlay Numbers—show or hide cruising, navigation, shing, and sailing numbers on the screen.
Chart Setup—customize the Navigation chart.
Understanding Chart Data
BlueChart g2 and BlueChart g2 Vision charts use graphic symbols to denote map features, which
follow the standards for US and international charts.
GPSMAP® 4000/5000 Series Owner’s Manual 5
Using Charts
Other features common to most charts include depth contour lines (with deep water represented in
white), intertidal zones, spot soundings (as depicted on the original paper chart), navigational aids
and symbols, and obstructions and cable areas.
Navigating to a Point on the Chart
1. From the Home screen, select Charts.
2. Select Navigation Chart, Fishing Chart, or Radar Overlay.
3. Select the point on the chart where you want to go.
USinG
ChartS
4. Select Navigate To.
5. Select Go To (or Guide To when using a preprogrammed BlueChart g2 Vision card for Auto
Guidance).
6. Follow the colored line on the screen to the destination.
To create a route to a point on the chart, see page 22.
Panning the Navigation Chart
Use the ROCKER on your GPSMAP 4000 series unit to move the map pointer ( ) away from
your current location and to scroll to other areas on the navigation chart. As you pan past the edge
of the current map display, the screen scrolls forward to provide continuous map coverage. Touch
and drag the Navigation screen on your GPSMAP 5000 series unit to pan away from your current
location. The position icon ( ) stays at your present location. If the position icon leaves the map
when you pan, a small window appears in the corner so that you can keep track of your current
position.
As you move the map pointer, its coordinates, distance, and bearing from your current location
appear in the upper-left corner of the map.
To pan the map, press up, down, right, or left on the ROCKER (GPSMAP 4000 series), or touch
and drag the Navigation screen (GPSMAP 5000 series).
Pointer
coordinates
Pointer distance
and bearing
from current
location
Map
pointer
Position
window
To stop panning, select Stop Panning.
Pan
options
6 GPSMAP® 4000/5000 Series Owner’s Manual
Using Charts
As you pan the map, a list of options appears along the right side. The options change as you move
the map pointer over various objects and charts.
Review—(Review will not appear if the pointer is not near an object—if the pointer is near only
•
one object, the name of the object appears.) This allows you to view details of objects in the
vicinity of the pointer. When you select Review, you are presented with a list of all the objects
near the pointer.
Navigate To—begin navigation to the pointer location.
•
Create Waypoint—mark a waypoint at the pointer location.
•
Information—view tide, current, celestial, or chart information near the pointer location.
•
Accessing Additional Object Information
Use the map pointer ( ) (GPSMAP 4000 series) or touch an item on the screen
(GPSMAP 5000 series) to view information about on-screen map items, waypoints, and charts.
Additional item
information
Selected
item
ChartS
USinG
Viewing Tide-Station Information
Tide-station information appears on the chart with a detailed icon showing the relevant tide level.
You can view an in-depth graph for a tide station to help predict the tide level at different times or on
different days.
Relevant tide
level
Highlight or touch a tide-station icon ( ), and select Review to view a detailed tide graph.
GPSMAP® 4000/5000 Series Owner’s Manual 7
Detailed
tide station
information
Using Charts
Using Mariner’s Eye
Mariner’s Eye 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 benecial when trying to identify entry routes and exit routes in unfamiliar
harbors or anchorages.
To access the Mariner’s Eye screen, from the Home screen, select Charts > Mariner’s Eye.
Press the RANGE (+) key (GPSMAP 4000 series) or touch the key (GPSMAP 5000 series) to
USinG
ChartS
move the view closer to your boat and lower to the water. Press the RANGE (-) key (GPSMAP 4000
series) or touch the key (GPSMAP 5000 series) to move the view away from the boat.
Mariner’s Eye Settings
To access additional settings or options from the Mariner’s Eye screen, press MENU.
Rings—toggles the range rings on or off.
Tracks
—turns the visible track log on or off. The chartplotter continues to record tracks if you turn
this setting off, but they are hidden from view.
Safe Depth—adjusts the safe depth for your boat.
Lane Width—adjusts the width of the course line drawn when navigating. This setting also affects
routes (Route To), but does not affect automatic guidance (Guide To).
Show Radar—
If you have a Garmin marine radar device connected to your Garmin Marine
Network, you can overlay radar readings on the Mariner’s Eye screen.
Mariner’s Eye With Radar Information
Overlay Numbers—shows or hides cruising, navigation, shing, and sailing numbers.
8 GPSMAP® 4000/5000 Series Owner’s Manual
Using Charts
Changing the Chart Settings
To change chart settings from the Home screen, select Charts > Chart Setup.
Orientation—changes the perspective of the map display:
North Up—sets the top of the map display to a north heading.
•
Track Up—sets the map display to the current track heading.
•
Course Up—sets the map so the direction of navigation is always up. The heading line appears
•
vertically on the screen if shown.
Heading line
Track
Chart border
ChartS
USinG
Heading Line—draws an extension from the bow of the boat in the direction of travel.
Off—turns the heading line off.
•
Distance—sets the distance to the end of the heading line.
•
•
—sets the amount of time until you reach the end of the heading line.
Time
Chart Borders—turns chart borders on when using a BlueChart g2 Vision SD card and you want to
see what area the maps cover.
Tracks
—turns the visible track log on or off. The chartplotter continues to record tracks if you turn
this setting off, but they are hidden from view.
Inset Map—turns the inset map on or off when panning away. Select Auto to turn the inset map on
only when the boat symbol is no longer visible.
Appearance—customizes how items are shown on the map. See “Changing the Chart Appearance”
on page 9.
Changing the Chart Appearance
From the Home screen, select Charts > Chart Setup > Appearance.
Detail—adjusts the amount of detail shown on the map at different zoom levels.
Photos—sets the high-resolution satellite images to off, land only, or blend. High-resolution satellite
imagery is only available while using a BlueChart g2 Vision SD card.
Spot Depths—turns spot soundings on or off and sets a dangerous depth.
Light Sectors—adjusts the drawing of light sectors on the map.
Symbols—selects the navaid symbol set (NOAA or IALA).
Symbol Size—adjusts the size of the symbols shown on the map.
GPSMAP® 4000/5000 Series Owner’s Manual 9
Using Charts
Using Tracks
A track is a recording of your path. The track currently being recorded is the active track. An active
track can be saved.
To turn the track log on:
From the Navigation chart, select Menu > Chart Setup > Tracks > On. A trailing line on the chart
indicates your track.
USinG
ChartS
To save the active track:
1. From the Home screen, select Information > User Data > Tracks > Save Active Track.
2. Select either the time the current track began (or Midnight, if shown) or Entire Log.
3. To name the track, change the color of the track, or save it as a route, select Edit Track.
To clear the active track:
From the Home screen, select Information > User Data > Tracks > Clear Active Track. The
track memory is cleared; the current track continues to be recorded.
To retrace the active track:
1. From the Home screen, select Information > User Data > Tracks > Follow Active Track.
2. Select either the time the current track began or Entire Log.
3. Follow the colored line on the screen.
To edit or delete a saved track:
1. From the Home screen, select Information > User Data > Tracks > Saved Tracks.
2. Select the track you want to edit or delete.
10 GPSMAP® 4000/5000 Series Owner’s Manual
Using Charts
3. Select Edit Track to change the name or color of the track or select Delete to delete it.
Select Next Page to view the track on the navigation chart.
To set active Track Options:
From the Home screen, select Information > User Data > Tracks > Active Track Options.
Record Mode—select Off, Fill, or Wrap.
Off—does not record a track log.
•
Fill—records a track log until the track memory is full.
•
Wrap—continuously records the track log, replacing the oldest track data with new data.
•
Interval—denes the frequency at which the track plot is recorded. Recording more-frequent plots
is more accurate but lls the track log faster.
Interval—sets whether the interval is determined by distance, time, or resolution. (Select
•
Change to set the quantity.)
Distance—records the track based on a distance between points.
•
•
•
—records the track based on a time interval.
Time
Resolution—records the track plot based on a variance from your course. This setting is
recommended for the most-efcient use of memory. The distance value (Change) is the
maximum error allowed from the true course before recording a track point.
Change—sets the value of the interval.
•
Color—sets the color of the track plot.
ChartS
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Using BlueChart g2 Vision
Optional BlueChart g2 Vision preprogrammed SD cards allow you to get the most out of your unit.
In addition to detailed marine charting, BlueChart g2 Vision has the following features:
Mariner’s Eye 3D—provides a view from above and behind the boat for a three-dimensional
•
navigation aid. The BlueChart g2 Vision Mariner’s Eye 3D is more detailed than the preloaded
data.
Fish Eye 3D— provides an underwater, 3D view that visually represents the sea oor according
•
to the information on the chart.
Fishing Charts—provides a view of the chart with enhanced bottom contours and without
•
navigational data. This chart works well for offshore deep-sea shing.
High Resolution Satellite Imagery— provides high-resolution satellite images for a realistic
•
view of the land and water on the Navigation chart.
Aerial Photos—provides a view of marinas and other navigationally-signicant aerial photos to
•
help you visualize your surroundings.
Detailed Roads and POI data—provides a view of roads, restaurants, and other points of
•
interest (POIs) along the shore.
Current Data—provides a view of current station information.
•
Auto Guidance—uses the chart data and specied boat safe depth to determine the best course to
•
your destination.
NOTE: You cannot transfer BlueChart g2 Vision data from the SD card to your computer for backup or
viewing purposes. You can only use the SD card on BlueChart g2 Vision compatible Garmin GPS units.
GPSMAP® 4000/5000 Series Owner’s Manual 11
Using Charts
Using Mariner’s Eye 3D
A BlueChart g2 Vision SD card offers Mariner’s Eye 3D, which provides a detailed threedimensional 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
benecial when trying to identify entry and exit routes in unfamiliar harbors or anchorages.
USinG
ChartS
Mariner’s Eye 3D Navigation Chart
Press the RANGE (+) key (GPSMAP 4000 series) or touch the key (GPSMAP 5000 series) to
move the view closer to your boat and lower to the water. Press the RANGE (-) key (GPSMAP 4000
series) or touch the key (GPSMAP 5000 series) to move the view away from the boat.
Mariner’s Eye 3D Settings
To access additional settings or options from the Mariner’s Eye 3D screen, press MENU.
Colors
—selects between Normal (Default), Water Hazard, and All Hazard. The Normal setting
shows the land as seen from the water. The Water Hazard setting indicates shallow water and land
with a color scale. Blue indicates deep water, yellow is shallow water, and red is very shallow. The
Water Hazard setting indicates land in green and brown, and the All Hazard setting shows land as
dark red.
Mariner’s Eye 3D, Normal Colors Mariner’s Eye 3D, Hazard Colors
Safe Depth—adjusts the depth at which red indicates shallow water. This also changes the global
Safe Depth setting as it applies to the Auto Guidance feature.
Rings, Tracks, Lane Width, and Show Radar—see “Mariner’s Eye Settings” on page 8.
12 GPSMAP® 4000/5000 Series Owner’s Manual
Using Charts
Using Fish Eye 3D
Using the depth contour lines of the BlueChart g2 Vision cartography, Fish Eye 3D provides an
underwater view of the sea oor or lake bottom. Use the RANGE keys (GPSMAP 4000 series) or
the and keys (GPSMAP 5000 series) to adjust the view.
Fish Eye 3D
Fish Eye 3D Settings
To access additional settings or options for the Fish Eye 3D screen, press MENU.
ChartS
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Sonar Cone—turns a cone on or off that shows the area covered by your transducer.
Sonar Data—visually shows the sonar readings received by your transducer for the best
combination of sonar and mapping.
Tracks
—turns the track log on or off.
Overlay Numbers—shows or hides cruising, navigation, shing, sailing, or fuel numbers.
Using Fishing Charts
Use the Fishing chart for a detailed, unobstructed view of the bottom contours and depth soundings
on the chart.
Fishing Chart Navigation Chart
The Fishing chart uses detailed bathymetric data on a preprogrammed BlueChart g2 Vision SD card,
and is best for offshore deep-sea shing.
GPSMAP® 4000/5000 Series Owner’s Manual 13
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