Garmin echoMAP CHIRP 40 SERIES Owner's Manual

Also see for echoMAP CHIRP 70 series: Owner's manual Installation instructions

Range Rings: Shows and configures the appearance of rangerings, which help you to visualize distances in some chartviews.Lane Width: Specifies the width of the navigation lane, which isthe magenta line in some chart views that indicates thecourse to your destination.Setting the Heading and Course Over Ground LinesYou can show the heading line and the course over ground(COG) line on the chart.COG is your direction of movement. Heading is the direction thebow of the boat is pointed, when a heading sensor is connected.1 From a chart view, select MENU > Chart Setup > ChartAppearance > Heading Line.2 If necessary, select Source, and select an option:• To automatically use the source available, select Auto.• To use the GPS antenna heading for COG, select GPSHeading (COG).• To use data from a connected heading sensor, selectHeading.• To use data from both a connected heading sensor andthe GPS antenna, select COG and Heading.This displays both the heading line and the COG line onthe chart.3 Select Display, and select an option:• Select Distance > Distance, and enter the length of theline shown on the chart.• Select Time > Time, and enter the time used to calculatethe distance your boat will travel in the specified time atyour present speed.Other Vessels Settings on the Charts and Chart ViewsNOTE: These options require connected accessories, such asan 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,page 6).DSC List: Shows the DSC list (DSC List, page 20).AIS Display Setup: See AIS Display Settings, page 8.DSC Trails: Shows the tracks of DSC vessels, and selects thelength of the track that appears using a trail.AIS Alarm: Sets the safe-zone collision alarm (Setting the Safe-Zone Collision Alarm, page 6).AIS Display SettingsNOTE: AIS requires the use of an external AIS device andactive transponder signals from other vessels.From a chart or 3D chart view, select MENU > Other Vessels >AIS Display Setup.AIS Display Range: Indicates the distance from your locationwithin which AIS vessels appear.Details: Shows details about AIS-activated vessels.Projected Heading: Sets the projected heading time for AIS-activated vessels.Trails: Shows the tracks of AIS vessels, and select the length ofthe track that appears using a trail.Fish Eye 3D SettingsNOTE: This feature is available with premium charts, in someareas.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 bythe transducer.Fish Symbols: Shows suspended targets.Navigation with a ChartplotterCAUTIONIf your vessel has an autopilot system, a dedicated autopilotcontrol display must be installed at each steering helm in orderto disable the autopilot system.The Auto Guidance feature is based on electronic chartinformation. That data does not ensure obstacle and bottomclearance. Carefully compare the course to all visual sightings,and avoid any land, shallow water, or other obstacles that maybe in your path.When using Go To, a direct course and a corrected course maypass over land or shallow water. Use visual sightings, and steerto avoid land, shallow water, and other dangerous objects.NOTE: Auto Guidance is available with premium charts, in someareas.NOTE: Mariner's Eye 3D and Fish Eye 3D chart views areavailable with premium charts, in some areas.NOTE: The offshore Fishing chart is available with premiumcharts, in some areas.To navigate, you must choose a destination, set a course orcreate a route, and follow the course or route. You can followthe course or the route on the Navigation chart, Fishing chart,Perspective 3D chart view, or Mariner’s Eye 3D chart view.You can set and follow a course to a destination using one ofthree methods: Go To, Route To, or Guide To.Go To: Takes you directly to the destination. This is thestandard option for navigating to a destination. Thechartplotter creates a straight-line course or navigation line tothe destination. The path may run over land and otherobstacles.Route To: Creates a route from your location to a destination,allowing you to add turns along the way. This option providesa straight-line course to the destination, but allows you to addturns into the route to avoid land and other obstacles.Guide To: Creates a path to a destination using Auto Guidance.This option is available only when using a compatiblepremium chart in a compatible chartplotter. It provides a turn-by-turn navigation line to the destination, avoiding land andother obstacles. The navigation line is based on the chartdata and the safe depth, safe height, and shoreline distanceuser-defined chartplotter settings. Using these settings andchart data, the chartplotter creates a navigation line thatavoids all areas that cannot be navigated between thepresent location and the destination.When you are using a compatible Garmin autopilotconnected to the chartplotter using NMEA 2000®, theautopilot follows the Auto Guidance route.Basic Navigation QuestionsQuestion AnswerHow do I make thechartplotter point me in thedirection in which I want to go(bearing)?Navigate using Go To. See Setting andFollowing a Direct Course Using Go To,page 9.How do I make the deviceguide me along a straight line(minimizing cross track) to alocation using the shortestdistance from the presentlocation?Build a single-leg route and navigate itusing Route To. See Creating andNavigating a Route From Your PresentLocation, page 10.8 Navigation with a Chartplotter