Zooming In and Out of the ChartThe zoom level is indicated by the scale number at the bottom ofthe chart. The bar under the scale number represents thatdistance on the chart.• Select to zoom out.• Select to zoom in.Panning the ChartYou can move the chart to view an area other than your presentlocation.1 From the chart, drag the navigation screen or use the arrowkeys.2 Select Stop Panning or Back to stop panning and return thescreen to your present location.Selecting an Item on the Map Using the Device Keys1 From a chart or 3D chart view, select , , , or to movethe cursor.2 Select SELECT.Measuring a Distance on the Chart1 From a chart or the Radar overlay, select a location.2 Select Measure Distance.A push pin appears on the screen at your present location.The distance and angle from the pin is listed in the corner.TIP: To reset the pin and measure from the current location ofthe cursor, select Select.Chart SymbolsThis table contains some of the common symbols you might seeon the detailed charts.Icon DescriptionBuoyInformationMarine servicesTide stationCurrent stationOverhead photo availablePerspective photo availableOther features common to most charts include depth contourlines, intertidal zones, spot soundings (as depicted on theoriginal paper chart), navigational aids and symbols,obstructions, and cable areas.Navigating to a Point on the ChartCAUTIONThe 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: The offshore Fishing chart is available with premiumcharts, in some areas.NOTE: Auto Guidance is available with premium charts, in someareas.1 From the Navigation chart or Fishing chart, select a location.2 If necessary, select SELECT.3 Select Navigate To.4 Select an option:• To navigate directly to the location, select Go To.• To create a route to the location, including turns, selectRoute To.• To use Auto Guidance, select Auto Guidance.5 Review the course indicated by the magenta line.NOTE: When using Auto Guidance, a gray segment withinany part of the magenta line indicates that Auto Guidancecannot calculate part of the Auto Guidance line. This is due tothe settings for minimum safe water depth and minimum safeobstacle height.6 Follow the magenta line, steering to avoid land, shallowwater, and other obstacles.Viewing Location and Object Information on a ChartYou can view information about a location or an object on theNavigation chart or the Fishing chart.NOTE: The offshore Fishing chart is available with premiumcharts, in some areas.1 From the Navigation chart or Fishing chart, select a locationor object.A list of options appears along the right side of the chart. Theoptions that appear vary based on the location or object youselected.2 Select an option:• To navigate to the selected location, select Navigate To.• To mark a waypoint at the cursor location, select NewWaypoint.• To view the distance and bearing of the object from yourcurrent location, select Measure Distance.The distance and bearing appear on the screen. SelectSelect to measure from a location other than your currentlocation.• To view tide, current, celestial, chart notes, or localservices information near the cursor, select Information.Viewing Details about NavaidsFrom the Navigation chart, Fishing chart, Perspective 3D chartview, or Mariner’s Eye 3D chart view, you can view details aboutvarious types of navigation aids, including beacons, lights, andobstructions.NOTE: The offshore Fishing chart is available with premiumcharts, in some areas.NOTE: Mariner's Eye 3D and Fish Eye 3D chart views areavailable with premium charts, in some areas.1 From a chart or 3D chart view, select a navaid.2 Select the name of the navaid.Selecting a MapIf your product has both BlueChart g2 and Garmin LakeVü™ HDbuilt-in maps, you can select which map to use. Not all modelshave both types of built-in maps.1 From the Navigation chart, select Menu > Built-in Map.2 Select an option:• When you are on an inland lake, select LakeVü™ HD.• When you are offshore, select BlueChart® g2.Heading Line and Angle MarkersThe heading line is an extension drawn on the map from thebow of the boat in the direction of travel. Angle markers indicaterelative position from the heading or course over ground, whichare helpful for casting or finding reference points.Setting the Heading and Course Over Ground LinesYou can show the heading line and the course over ground(COG) line on the chart.4 Charts and 3D Chart Views