Garmin GPSMAP 7400 Owner's Manual

Also see for GPSMAP 7400 Series: Owner's manual Owner's manual Installation insrtuctions Installation instructions Owner's manual

Contents

Garmin GPSMAP 7400 Owner's Manual Manual pdf 27 page image

Synchronizing User Data Across the GarminMarine NetworkNOTICEBefore you synchronize the user data across the network, youshould backup your user data to prevent possible data loss. SeeBacking Up Data to a Computer, page 51.You can share waypoints, tracks, and routes with all compatibledevices connected to the Garmin Marine Network (Ethernet)automatically.NOTE: This feature is not available on all models.Select Settings > Preferences > User Data Sharing > On.If a change is made to a waypoint, track, or route on onechartplotter, that data is synchronized automatically across allchartplotters on the Ethernet network.Deleting All Saved Waypoints, Routes, andTracksSelect Info > User Data > Clear User Data > All > OK.Sailing FeaturesSetting the Vessel TypeYou can select your boat type to configure the chartplottersettings and to use features customized for your boat type.1 Select Settings > My Vessel > Vessel Type.2 Select an option.Sail RacingYou can use the device to increase the likelihood that your boatwill cross the start line of a race exactly when the race begins.When you synchronize the race timer with the official racecountdown timer, you are alerted at one-minute intervals as therace start approaches. When you combine the race timer withthe virtual start line, the device measures your speed, bearing,and remaining time on the countdown timer. The device usesthis data to indicate whether your boat will cross the start linebefore, after, or at the correct time to start the race.Starting Line GuidanceSailing start line guidance is a visual representation of theinformation you need to cross the start line at the optimal timeand speed.After you set the starboard and port start line pins, and thetarget speed and time, and after you start the race timer, apredictor line appears. The predictor line extends from yourcurrent location toward the start line and the laylines that extendfrom each pin.The end point and color of the predictor line indicate where theboat will be when the timer expires, based on your current boatspeed.When the end point is before the start line, the line is white. Thisindicates the boat must increase speed to reach the start line ontime.When the end point is past the start line, the line is red. Thisindicates the boat must reduce speed to avoid a penalty forreaching the start line before the timer expires.When the end point is on the start line, the line is white. Thisindicates the boat is moving at an optimal speed to reach thestart line when the timer expires.By default, the start line guidance window and the race timerwindow appear in the Sail Racing combination screen.Setting the Starting LineThe start line guidance window is added to the Sail Racingcombination screen by default.1 From the Sail Racing combination screen, select Menu >Start Line Guidance > Start Line.2 Select an option:• To mark the port and starboard starting line marks as yousail past them, select Ping Marks.• To mark the port and starboard starting line marks byentering their coordinates, select Enter Coordinates.• To switch the position of the port and starboard marksafter you have set them, select Swap Port & Starbd.Marks.Using the Starting Line GuidanceYou can use the starting line guidance feature to help get youcross the start line, at the optimal speed during a sailing race.1 Mark the starting line (Setting the Starting Line, page 19).2 From the Sail Racing combination screen, select Menu >Start Line Guidance > Target Speed, and select your targetspeed when crossing the starting line.3 Select Target Time, and select the target time to cross thestarting line.4 Select Back.5 Start the racing timer (Starting the Race Timer, page 19).Starting the Race TimerThe race timer is added to the Sail Racing combination screenby default.1 From the Sail Racing combination screen, select Start.NOTE: You can also access this from the Sailing SmartModescreen and the navigation chart.2 When necessary, select Sync to synchronize with the officialrace timer.Stopping the Race TimerFrom the Sail Racing combination screen, select Stop.Setting the Distance between the Bow and the GPSAntennaYou can enter the distance between the bow of your boat andthe location of your GPS antenna. This helps ensure the bow ofyour boat crosses the starting line at the precise start time.1 From a navigation chart, select Menu > Sailing > Start Line> GPS Bow Offset.2 Enter the distance.3 Select Done.Laylines SettingsTo use the laylines features, you must connect a wind sensor tothe chartplotter.When in sailing modeSetting the Vessel Type, page 3, you candisplay laylines on the navigation chart. Laylines can be veryhelpful when racing.From the navigation chart, select Menu > Layers > My Vessel >Laylines > Setup.Display: Sets how the laylines and vessel appear on the chart,and sets the length of the laylines.Sailing Ang.: Allows you to select how the device calculateslaylines. The Actual option calculates the laylines using themeasured wind angle from the wind sensor. The Manualoption calculates the laylines using manually enteredwindward and leeward angles.Windward Ang.: Allows you to set a layline based on thewindward sailing angle.Leeward Ang.: Allows you to set a layline based on the leewardsailing angle.Tide Correction: Corrects the laylines based on the tide.Sailing Features 19