Garmin GPSMAP A12 Owner's Manual

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

Contents

Garmin GPSMAP A12 Owner's Manual Manual pdf 19 page image

Enabling AIS Transmission Test AlertsTo avoid a large number of test alerts and symbols in crowdedareas such as marinas, you can select to receive or ignore AIStest messages. To test an AIS emergency device, you mustenable the chartplotter to receive test alerts.1 Select Settings > Alarms > AIS.2 Select an option:• To receive or ignore Emergency Position Indicating RadioBeacon (EPRIB) test signals, select AIS-EPIRB Test.• To receive or ignore Man Overboard (MOB) test signals,select AIS-MOB Test.• To receive or ignore Search and Rescue Transponder(SART) test signals, select AIS-SART Test.Turning Off AIS ReceptionAIS signal reception is turned on by default.Select Settings > Other Vessels > AIS > Off.All AIS functionality on all charts and 3D chart views isdisabled. This includes AIS vessel targeting and tracking,collision alarms that result from AIS vessel targeting andtracking, and the display of information about AIS vessels.Chart MenuNOTE: Not all settings apply to all charts. Some options requirepremium maps or connected accessories, such as radar.From a chart, select Menu.Layers: Adjusts the appearance of the different items on thecharts (Chart Layers, page 11).Quickdraw Contours: Turns on bottom contour drawing, andallows you to create fishing map labels (Garmin QuickdrawContours Mapping, page 13).Settings: Adjusts the chart settings (Chart Settings, page 12).Edit Overlays: Adjusts the data shown on the screen(Customizing the Data Overlays, page 3).Chart LayersThe layers in the charts allow you to turn on and off andcustomize features of the charts. Each setting is specific to thechart or chart view being used.NOTE: Not all settings apply to all charts and chartplottermodels. Some options require premium maps or connectedaccessories.From a chart, select Menu > Layers.Chart: Shows and hides chart-related items (Chart LayerSettings, page 11).My Vessel: Shows and hides items relating to the boat (MyVessel Layer Settings, page 11).User Data: Shows and hides user data, such as waypoints,boundaries, and tracks, and opens user data lists (User DataLayer Settings, page 12).Other Vessels: Adjusts how other vessels are shown (OtherVessels Layer Settings, page 12).Water: Shows and hides depth items (Water Layer Settings,page 12).Quickdraw: Shows and hides Garmin Quickdraw data (GarminQuickdraw Contours Settings, page 14).Weather: Shows and hides weather-related items (WeatherLayer Settings, page 12).Tracks: Shows and hides tracks on the 3D chart view.Range Rings: Shows and configures the appearance of rangerings on the 3D chart view. Range Rings help you to visualizedistances in some chart views.Chart Layer SettingsFrom a chart, select Menu > Layers > Chart.Satellite Photos: Shows high-resolution satellite images on theland or on both land and sea portions of the Navigation chart,when certain premium maps are used (Showing SatelliteImagery on the Navigation Chart, page 9).Tides & Currents: Shows current station indicators and tidestation indicators on the chart (Showing Tides and CurrentIndicators, page 9) and enables the tides and current slider,which sets the time for which tides and currents are reportedon the map.Navaids: Shows navigational aids on the chart.Land POIs: Shows points of interest on land.Photo Points: Shows camera icons for aerial photos (ViewingAerial Photos of Landmarks, page 9).Service Points: Shows locations for marine services.Depth: Adjusts the items on the depth layer (Depth LayerSettings, page 11).Restricted Areas: Shows information about restricted areas onthe chart.Depth Layer SettingsFrom a chart, select Menu > Layers > Chart > Depth.Depth Shading: Specifies an upper and lower depth to shadebetween.Shallow Shading: Sets the shades from the shoreline to thespecified depth.Spot Depths: Turns on spot soundings and sets a dangerousdepth. Spot depths that are equal to or more shallow than thedangerous depth are indicated by red text.Fishing Contours: Sets the zoom level for a detailed view ofbottom contours and depth soundings and simplifies mappresentation for optimal use while fishing.My Vessel Layer SettingsFrom a chart, select Menu > Layers > My Vessel.Heading Line: Shows and adjusts the heading line, which is aline drawn on the map from the bow of the boat in thedirection of travel (Setting the Heading Line and AngleMarkers, page 22).Active Tracks: Shows the active track on the chart and opensthe Active Track Options menu.Wind Rose: Shows a visual representation of the wind angle ordirection provided by the connected wind sensor and sets thewind source.Compass Rose: Shows a compass rose around your boat,indicating compass direction oriented to the heading of theboat. Enabling this option disables the Wind Rose option.Vessel Icon: Sets the icon that represents your present locationon the chart.Laylines SettingsTo use the laylines features, you must connect a wind sensor tothe chartplotter.When in sailing modeSetting the Vessel Type, page 4, you candisplay laylines on the navigation chart. Laylines can be veryhelpful when racing.Charts and 3D Chart Views 11