top of the page. Automotive Mode shows an 3D automotiveview with the direction of travel at the top.Guidance Text: Sets when the guidance text appears on themap.Data Fields: Customizes the data fields and dashboards of themap, compass, elevation plot, and trip computer.Map Information: Enables or disables the maps currentlyloaded on the device.Advanced Map SettingsSelect Setup > Map > Advanced Map Setup.Auto Zoom: Automatically selects the appropriate zoom levelfor optimal use on your map. When Off is selected, you mustzoom in or out manually.Zoom Levels: Adjusts the zoom level at which map items willappear. The map items will not appear when the map zoomlevel is higher than the selected level.Text Size: Selects the text size for map items.Detail: Selects the amount of detail shown on the map.Showing more detail may cause the map to redraw moreslowly.Shaded Relief: Shows detail relief on the map (if available) orturns off shading.CompassWhen navigating, points to your destination, regardless of thedirection you are moving. When points toward the top of theelectronic compass, you are traveling directly toward yourdestination. If points any other direction, turn until it pointstoward the top of the compass.Calibrating the CompassBefore you can calibrate the electronic compass, you must beoutdoors, away from objects that influence magnetic fields, suchas cars, buildings, or overhead power lines.The device has a 3-axis electronic compass (GPSMAP 64s andGPSMAP 64st models only). You should calibrate the compassafter moving long distances, experiencing temperature changes,or changing the batteries.1 From the compass, select MENU.2 Select Calibrate Compass > Start.3 Follow the on-screen instructions.Using the CompassYou can use the compass to navigate an active route.1 Select PAGE.2 Hold the device level.3 Follow to your destination.Course PointerThe course pointer is most useful when you are navigating onwater or where there are no major obstacles in your path. It canalso help you avoid hazards near the course, such as shoals orsubmerged rocks.To enable the course pointer, from the compass, select MENU> Setup Heading > Go To Line/Pointer > Course (CDI).The course pointer À indicates your relationship to the courseline leading to the destination. The course deviation indicator(CDI) Á provides the indication of drift (right or left) from thecourse. The scale  refers to the distance between dots à onthe course deviation indicator, which tell you how far off courseyou are.Navigating with Sight 'N GoYou can point the device at an object in the distance, lock in thedirection, and navigate to the object.NOTE: Sight 'N Go is available only on the GPSMAP 64s andGPSMAP 64st.1 Select Sight 'N Go.2 Point the device at an object.3 Select Lock Direction > Set Course.4 Navigate using the compass.Heading SettingsYou can customize the compass settings.Select Setup > Heading.Display: Sets the type of directional heading shown on thecompass.North Reference: Sets the north reference used on thecompass.Go To Line/Pointer: Sets the behavior of the pointer thatappears on the map. Bearing points in the direction of yourdestination. Course shows your relationship to the courseline leading to the destination.Compass: Automatically switches from an electronic compassto a GPS compass when you are traveling at a higher rate ofspeed for a period of time.Calibrate Compass: See Calibrating the Compass.Trip ComputerThe trip computer displays your current speed, average speed,maximum speed, trip odometer, and other helpful statistics. Youcan customize the trip computer layout, dashboard, and datafields.Trip Computer Setup OptionsFrom the trip computer, select MENU.Big Numbers: Changes the size of the numbers shown on thetrip computer page.Change Dashboard: Changes the theme and informationdisplayed on the dashboard.NOTE: Your customized settings are remembered by thedashboard, and will not be lost when you change profiles(Profiles).Reset: Resets all the trip computer values to zero. For accurateinformation, reset the trip information before beginning a trip.Elevation PlotNOTE: The Elevation Plot is available only with the GPSMAP64s and GPSMAP 64st.By default, the elevation plot displays the elevation over thedistance traveled. To customize the elevation settings, seeElevation Plot Settings. You can select any point on the plot toview details about that point.Elevation Plot SettingsFrom the elevation plot, select MENU.Adjust Zoom Ranges: Adjusts the zoom ranges shown on theelevation plot page.Calibrate Altimeter: See Calibrating the Barometric Altimeter.Change Plot Type: Sets the type of data shown on theelevation plot.4 Using the Main Pages