Deleting All Saved TracksSelect Nav Info > Manage Data > Clear User Data > SavedTracks.Retracing the Active TrackThe track currently being recorded is called the active track.1 Select Nav Info > Tracks > Follow Active Track.2 Select an option:• Select the time the active track began.• Select Entire Log.3 Review the course indicated by the colored line.4 Follow the colored line, steering to avoid land, shallow water,and other obstacles.Clearing the Active TrackSelect Nav Info > Manage Data > Tracks > Clear ActiveTrack.The track memory is cleared, and the active track continuesto be recorded.Managing the Track Log Memory During Recording1 Select Nav Info > Tracks > Active Track Options.2 Select Record Mode.3 Select an option:• To record a track log until the track memory is full, selectFill.• To continuously record a track log, replacing the oldesttrack data with new data, select Wrap.Configuring the Recording Interval of the Track LogYou can indicate the frequency at which the track plot isrecorded. Recording more frequent plots is more accurate butfills the track log faster. The resolution interval is recommendedfor the most efficient use of memory.1 Select Nav Info > Tracks > Active Track Options > RecordInterval.2 Select an option:• To record the track based on a distance between points,select Interval > Distance > Change, and enter thedistance.• To record the track based on a time interval, selectInterval > Time > Change, and enter the time interval.• To record the track plot based on a variance from yourcourse, select Interval > Resolution > Change, and enterthe maximum error allowed from the true course beforerecording a track point. This is the recommendedrecording option.BoundariesBoundaries allow you to avoid or remain in designated areas ina body of water. You can set an alarm to alert you when youenter or exit a boundary.You can create boundary areas, lines, and circles using themap. You can also convert saved tracks and routes intoboundary lines. You can create a boundary area usingwaypoints by creating a route from the waypoints, andconverting the route into a boundary line.You can select a boundary to act as the active boundary. Youcan add the active boundary data to the data fields on the chart.Creating a Boundary1 Select Nav Info > Boundaries > New.2 Select a boundary shape.3 Follow the on-screen instructions.Converting a Route to a BoundaryBefore you can convert a route to a boundary, you must createand save at least one route (Creating and Saving a Route,page 14).1 Select Nav Info > Routes.2 Select a route.3 Select Edit Route > Save as Boundary.Converting a Track to a BoundaryBefore you can convert a track to a boundary, you must recordand save at least one track (Saving the Active Track, page 16).1 Select Nav Info > Tracks > Saved Tracks.2 Select a track.3 Select Edit Track > Save As > Save as Boundary.Editing a Boundary1 Select Nav Info > Boundaries.2 Select a boundary.3 Select Edit Boundary.4 Select an option:• To edit the appearance of the boundary on the chart,select Display Options.• To change the boundary lines or name, select EditBoundary.• To edit the boundary alarm, select Alarm.Setting a Boundary AlarmBoundary alarms alert you when you are within a specifieddistance of a set boundary. This can be helpful when attemptingto avoid certain areas or when you should be very alert incertain areas, such as shipping lanes.1 Select Nav Info > Boundaries.2 Select a boundary.3 Select Alarm > On.4 Select an option.• To set an alarm for when your boat is a specified distancefrom the boundary, select Warning Distance, enter adistance, and select Done.• To set an alarm when you enter the boundary, select Area> Entering > Exiting.• To set an alarm when you exit the boundary, select Area> Exiting.Deleting a Boundary1 Select Nav Info > Boundaries.2 Select a boundary.3 Select Edit Boundary > Delete.Deleting All Saved Waypoints, Routes, andTracksSelect Nav Info > Manage Data > Clear User Data > All >OK.Sonar FishfinderWhen properly connected to a compatible transducer, yourECHOMAP Plus device can be used as a fishfinder.For more information about which transducer is best for yourneeds, go to garmin.com/transducers.Different sonar views can help you view the fish in the area. Thesonar views available vary depending on the type of transducerand sounder module connected to the chartplotter. For example,you can view Garmin ClearVü™ sonar screens only if you have acompatible Garmin ClearVü transducer connected.Sonar Fishfinder 17