Table of ContentsIntroduction.................................................................... 1echoMAP 70 Series and GPSMAP 700 Series .......................... 1Using the Touchscreen ......................................................... 1echoMAP 50 Series and GPSMAP 500 Series .......................... 1Device Keys .......................................................................... 1Downloading the Manuals .......................................................... 1Manual Conventions .................................................................. 1Getting More Information ........................................................... 1Inserting Memory Cards ............................................................. 1Loading the New Software on a Memory Card .......................... 2Updating the Device Software ................................................... 2GPS Satellite Signals ................................................................. 2Selecting the GPS Source .................................................... 2Setting the Vessel Type ............................................................. 2Adjusting the Backlight ............................................................... 2Adjusting the Color Mode ........................................................... 2Customizing the Home Screen .................................................. 2Hiding and Showing the Menu Bar ............................................ 2Using the Garmin Helm™ App with the Chartplotter ................. 2Communication with Wireless Devices ...................................... 2Setting Up the Wi‑Fi® Wireless Network .............................. 2Connecting a Wireless Device to the Chartplotter ................ 3Changing the Wireless Channel ............................................ 3Connecting a Bluetooth Wireless Device .............................. 3Disconnecting a Bluetooth Wireless Device .......................... 3Charts and 3D Chart Views........................................... 3Navigation Chart and Offshore Fishing Chart ............................ 3Zooming In and Out of the Chart ........................................... 3Panning the Chart ................................................................. 3Selecting an Item on the Map Using the Device Keys .......... 3Measuring a Distance on the Chart ....................................... 3Chart Symbols ....................................................................... 4Navigating to a Point on the Chart ........................................ 4Viewing Location and Object Information on a Chart ............ 4Viewing Details about Navaids .............................................. 4Selecting a Map .................................................................... 4Premium Charts ......................................................................... 4Viewing Tide Station Information .......................................... 5Showing Satellite Imagery on the Navigation Chart .............. 5Viewing Aerial Photos of Landmarks .................................... 5Automatic Identification System ................................................. 5AIS Targeting Symbols ......................................................... 5Heading and Projected Course of Activated AIS Targets ..... 6Showing AIS Vessels on a Chart or 3D Chart View .............. 6Activating a Target for an AIS Vessel ................................... 6Viewing a List of AIS Threats ................................................ 6Setting the Safe-Zone Collision Alarm .................................. 6AIS Distress Signals .............................................................. 6Turning Off AIS Reception .................................................... 7Chart and 3D Chart View Settings ............................................. 7Navigation and Fishing Chart Setup ..................................... 7Waypoints and Tracks Settings on the Charts and ChartViews ..................................................................................... 7Laylines Settings ................................................................... 7Overlay Numbers Settings .................................................... 7Showing a Navigation Inset ................................................... 8Chart Appearance Settings ................................................... 8Setting the Heading and Course Over Ground Lines ............ 8Other Vessels Settings on the Charts and Chart Views ........ 8Fish Eye 3D Settings ............................................................. 9Navigation with a Chartplotter...................................... 9Basic Navigation Questions ....................................................... 9Destinations ............................................................................... 9Searching for a Destination by Name ................................... 9Selecting a Destination Using the Navigation Chart ............. 9Searching for a Destination Using Nav Info .......................... 9Searching for a Marine Services Destination ........................ 9Courses ...................................................................................... 9Setting and Following a Direct Course Using Go To ........... 10Setting and Following a Course Using Auto Guidance ....... 10Autopilot Navigation ............................................................ 10Stopping Navigation ................................................................. 10Waypoints ................................................................................ 10Marking Your Present Location as a Waypoint ................... 10Creating a Waypoint at a Different Location ....................... 10Marking and Starting Navigation to an MOB Location ........ 10Viewing a List of all Waypoints ............................................ 10Editing a Saved Waypoint ................................................... 10Moving a Saved Waypoint .................................................. 10Browsing for and Navigating to a Saved Waypoint ............. 11Deleting a Waypoint or an MOB .......................................... 11Deleting All Waypoints ........................................................ 11Routes ...................................................................................... 11Creating and Navigating a Route From Your PresentLocation ............................................................................... 11Creating and Saving a Route .............................................. 11Viewing a List of Routes ...................................................... 11Editing a Saved Route ........................................................ 11Browsing for and Navigating a Saved Route ...................... 11Browsing for and Navigating Parallel to a Saved Route ..... 12Deleting a Saved Route ...................................................... 12Deleting All Saved Routes .................................................. 12Tracks ...................................................................................... 12Showing Tracks ................................................................... 12Setting the Color of the Active Track ................................... 12Saving the Active Track ...................................................... 12Viewing a List of Saved Tracks ........................................... 12Editing a Saved Track ......................................................... 12Saving a Track as a Route .................................................. 12Browsing for and Navigating a Recorded Track .................. 12Deleting a Saved Track ....................................................... 12Deleting All Saved Tracks ................................................... 12Retracing the Active Track .................................................. 12Clearing the Active Track .................................................... 12Managing the Track Log Memory During Recording .......... 12Configuring the Recording Interval of the Track Log ........... 13Synchronizing User Data Across the Garmin Marine Network 13Deleting All Saved Waypoints, Routes, and Tracks ................. 13Combinations............................................................... 13Selecting a Combination .......................................................... 13Customizing a Combination Screen ......................................... 13Creating a Custom Combination Screen ................................. 13Sonar............................................................................. 13Sonar Views ............................................................................. 13Full-Screen Sonar View ...................................................... 13DownVü Sonar View ........................................................... 14SideVü Sonar View ............................................................. 14Split-Screen Sonar Views ................................................... 14Split-Zoom Sonar View ....................................................... 14Split-Frequency Sonar View ................................................ 14Creating a Waypoint on the Sonar Screen Using theTouchscreen ............................................................................ 14Creating a Waypoint on the Sonar Screen Using the DeviceKeys ......................................................................................... 14Measuring Distance on the Sonar Screen ............................... 14Pausing the Sonar Display ....................................................... 14Viewing Sonar History .............................................................. 14Sonar Sharing .......................................................................... 14Table of Contents i