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Garmin GPSMAP 276C Owner's Manual

Manual is about: Garmin chartplotting receiver owner's manual GPSMAP 276C

Summary of GPSMAP 276C

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    Gpsmap ® 276c chartplotting receiver owner’s manual.

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    © 2009 garmin ltd. Or its subsidiaries garmin international, inc. 1200 east 151st street, olathe, kansas 66062, usa tel. (913) 397.8200 or (800) 800.1020 fax (913) 397.8282 garmin (europe) ltd. Liberty house hounsdown business park, southampton, hampshire, so40 9rb uk tel. +44 (0) 870.8501241 (outsi...

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    I ntroduction thank you for choosing the garmin ® gpsmap ® 276c, which uses the proven performance of garmin gps and full-featured mapping to create an unsurpassed portable marine navigation chartplotter and automobile navigation device. Take a moment to compare the contents of this package with the...

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    Table of contents introduction ...........................................................................I caring for the gpsmap 276c ................................................ Iv warnings .................................................................................. V important informati...

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    Alarms tab ............................................................................. 70 calendar tab .......................................................................... 72 celestial tab........................................................................... 73 message tab ................

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    Caring for the gpsmap 276c the gpsmap 276c case is constructed of high quality materials and does not require user maintenance except cleaning. Cleaning the case clean the unit’s outer casing (except for the screen) using a cloth dampened with a mild detergent solution and then wipe dry. Avoid chemi...

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    Failure to avoid the following potentially hazardous situations could result in an accident or collision resulting in death or serious injury. • when installing the unit in a vehicle, place the unit securely so that it does not obstruct the driver’s view of the road or interfere with vehicle operati...

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    Important information map data information: one of the goals of garmin is to provide customers with the most complete and accurate cartography that is available to us at a reasonable cost. We use a combination of governmental and private data sources, which we identify in product literature and copy...

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    G etting s tarted unit overview the gpsmap 276c is an all-in-one, versatile color chartplotter and automobile navigator—perfect for land or water. This portable gps navigator features a 256-color tft display that is easy to read in bright sun, a built-in basemap, and auto routing to provide you with...

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    Charging the gpsmap 276c before using the gpsmap 276c charge the battery. Plug the power cable into an external power source to charge. You can use the unit while it is charging. To charge the unit’s battery: 1. Lifttherubberweathercaptoexposethepowerconnector onthebackoftheunit.Seetheimageonpage1fo...

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    Turning your gpsmap 276c on or off before you turn on your gpsmap 276c, be sure the antenna is up as shown on page 1, and it has a clear and unobstructed view of the sky to receive satellite signals. The first time you turn on your gpsmap 276c, the gps receiver must collect satellite data and establ...

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    Getting satellite signals after you turn on the gpsmap 276c, the unit automatically begins searching for satellites. The gps page appears while the unit is gathering satellite signals and acquiring a fix, which should take only a few minutes. While the gpsmap 276c is getting satellite signals, the g...

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    The progress of satellite acquisition is shown in three stages: • no signal strength bars—the receiver is looking for the satellites indicated. • white signal strength bars—the receiver has found the satellite and is collecting data. • green signal strength bars—the receiver has collected the necess...

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    Gps options press menu twice to open the main menu. Use the rocker to highlight the gps tab. Press menu to open the options menu. Gps tab options menu start/stop simulator—starts and stops simulator mode, which is helpful when learning how to use your unit. Enable/disable waas—enables or disables wa...

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    In and out keys • press to adjust map zoom range to show a larger area with less detail (zoom out) or a smaller area with more detail (zoom in). Page key • press to cycle through the main pages in sequence and exit a submenu page. • press and hold to switch between marine and automotive modes. Quit ...

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    Using the gpsmap 276c the advanced keypad system on the gpsmap 276c is designed to allow you to select options and enter data quickly and conveniently. As you progress through this owner’s manual, you are directed to press a specific key or highlight a field on the screen. When you are directed to p...

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    Selecting options and entering data select options and enter data by using the rocker and enter key. To select and activate an option: 1. Fromanypage,press menu.Anoptionsmenushowsalist of optional features specific to that page. Selecting an option from an options menu selecting an option from an op...

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    Entering data tip: to clear the entire data field, highlight the left-most character field and press left on the rocker again. 3. Press enter. Not all fields are programmable. When you are on a page with fields that are not selectable, the highlight skips over them. Restoring default settings you ca...

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    Using the main menu use the main menu on your gpsmap 276c to access various waypoint, system, navigation and interface management, and setup menus. Press the menu key twice from any page to open the main menu. For more information, see the “ main menu ” section on page 63 . Main menu to select a tab...

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    Using simulator mode simulator mode is great for practicing with the unit if you are indoors or when satellite signals are not available. All waypoints and routes created in simulator mode are retained in memory for future use. Note: do not try to navigate using simulator mode. When the unit is set ...

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    M arine m ode this section explains some of the more common operations you can perform with your gpsmap 276c while on the water. To switch usage modes: 1. Pressandholdthe pagekey.Theusagemodemenuappears. 2. Select automotiveormarine,andpressenter. Marine mode pages marine mode has five main pages: m...

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    Navigating to a destination you can navigate to your destination using the map page. As you travel, you see a magenta line that always runs from your current location to the destination or to the next turn on the map page. You can use the map page, compass page, highway page, and position data page ...

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    To navigate (go to) a point on the map: 1. Onthemappage,highlightapointtonavigateto,andpress nav. 2. Highlight go to ,andpressenter. Navigate menu 3. Followthemagentaroutecreatedonthemappage. To stop navigation: 1. Whilenavigatingtoapoint,press nav. 2. Highlight stop navigation,andpressenter. 3. Hig...

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    To search for an item and route to it: 1. Press findtoopenthefindmenu. 2. Highlightacategory,andpress enter. 3. Press enter,andthenpresstherockerupordownto enterletterscontainedintheitemname.Press enterwhen finished. Finding an item using the containing field. The unit searches for items containing ...

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    Finding an item use the find menu to search for addresses, food & drink, fuel services, lodging, banks/atms, cities, shopping, stored waypoints and points of interest (pois). To open the find menu, press the find key. The find menu is comprised of several default categories: waypoints, cities, exits...

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    To find an item from another location: 1. Fromanypage,press find. 2. Highlightacategoryfromthelist,andpress enter. 3. Press menutoopentheoptionsmenu. Find from options menu 4. Highlight near other,andpressenter.Ifyouareactively followingaroute,youcanalsoselectoneoftheotheroptions listedinthefindfrom...

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    Viewing the information page each item on the map and each item listed in the results list has an information page. To view details about an item: 1. Highlightapointonthemaporinthesearchresultslist,and press enter. Aninformationpageappearswithdetailsabouttheitemina tabbedformat.Dependingonthetypeofi...

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    Creating and using routes the gpsmap 276c allows you to create and store up to 50 reversible routes, with up to 300 points each. Creating a new route use the route tab to create a route by selecting waypoints from the find menu, or by selecting waypoints or map items from the map page. To create a r...

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    Navigating a saved route use the navigate route option to select and navigate a saved route. To navigate a saved route: 1. Pressthe navkey. 2. Highlight navigate route,andpressenter. 3. Highlightapreviouslysavedroute,andpress enter. Select the route you want to take. Select a route from list editing...

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    To review individual route points: 1. Highlightthe routetabonthemainmenu. 2. Fromtheroutelistpage,highlightthenameoftheroute, andpress enter. 3. Fromtheroutereviewpage,highlightapoint,andpress enter. 4. Onthepointreviewpage,choose next(highlightthenext pointontheroutelist), show map (showthepointona...

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    To edit the route on the map: 1. Highlightthe routetabonthemainmenu. 2. Selectaroute,andpress enter.Pressmenu toopenthe routereviewpageoptionsmenu. 3. Highlight edit on map,andpressenter. 4. Selectalocationontheroute(therouteturnsredwhenthe arrowisovertheroute),andpress enter. 5. Usethe rockertodrag...

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    Transitioning to the next waypoint from the route tab option menu, highlight set up routes and press enter to set the route leg transition (or waypoint transition). Select distance to enter a radius so that when you are within the entered distance, the gpsmap 276c leads you to the next point on your...

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    Marking your present location use the enter/mark key to capture your present location to create a new waypoint. You must have a valid position (2d or 3d) fix to mark your present location. To mark your present location: 1. Pressandholdthe enter/markkeyuntilthenew waypointpageopens,thenreleaseit.Adef...

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    Creating a waypoint by entering coordinates you can manually enter location coordinates to create a waypoint. This method is useful for creating a waypoint at a specific latitude/longitude position from a chart. To create a new waypoint by entering location coordinates: 1. Pressandhold enter/mark to...

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    To access the waypoint edit page: 1. Highlightthe pointstabonthemainmenu,andthenselecta waypointfromthelist. Points tab 2. Press entertoopenthewaypointeditpage. Note: if the waypoint is located on a map feature or mapsource or bluechart g2 feature, the waypoint edit page does not show the details of...

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    Averaging the waypoint’s location average location makes the unit take several sample location measurements for the waypoint and recalculate for a more accurate location reading. Note: you must have a gps satellite fix before you can average a waypoint’s location. To calculate the average location: ...

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    6. Selectthepointfromwhichyoucanprojectyournew waypoint.Formoreinformationseethe“ findinganitem ” sectionon page17 . 7. Toadjustthedistancethatthenewwaypointisprojected beyondtheoriginalwaypoint,highlightthe distance field, andpress enter.Entertheprojectiondistance,andpress enter. 8. Toadjustthebear...

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    Waypoint page name field symbol field to edit the next waypoint in the list: 1. Highlight next,andpressenter.Thewaypointlistappears withthenextwaypointhighlighted. 2. Press entertoeditthatwaypoint. Organizing waypoints into categories you can organize your waypoints into categories to help manage yo...

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    Waypoint page select the category to which you want to assign this waypoint. To delete a category: 1. Withthewaypointcategorieswindowopen,highlightthe categoryyouwanttodelete,andpress menu. 2. Select delete category,andpressenter. Waypoint categories options menu 3. Press enter again to finish delet...

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    To delete waypoints by symbol or category: 1. Onthe usersubtab,highlightthewaypointtodelete,and press menu. 2. Highlight delete by symbolordelete by category,and press enter. 3. Whendeletingbysymbol,highlightthesymbolofthe waypointyouwanttodelete,andpress enter.When deletingbycategory,selectthecateg...

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    2. Highlight the field below proximity alarm,andpress enter. 3. Selectthe onoroffsetting,andpressenter. To add a proximity waypoint: 1. Fromthe proximitysubtab,usetherockertohighlight anemptylineontheproximitylist,andpress enter.The findmenuopens. 2. Selectawaypointorpointofinterestfromthefindmenu. ...

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    Managing your tracks the gpsmap 276c draws an electronic breadcrumb trail or track log on the map page as you travel. The track log contains points along its path, and includes both time and location for each point. The track log starts recording as soon as the gpsmap 276c gets a location fix. For t...

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    To clear the track log: 1. Highlightthe tracktabonthemainmenu,andthenhighlight the activesubtab. 2. Highlightthe clearbutton,andpressenter. A confirmation messageappears. Clearing the track log 3. Highlight ok,andpressenter. To save the entire track log: 1. Highlightthe tracktabonthemainmenu,andthen...

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    Saved tracks the saved sub tab lists all of the saved tracks in your unit. Press menu to open the saved tab options menu. Saved sub tab review on map—shows the highlighted track on the map page. Tracback—navigates the track. You can either navigate the track as it is saved, or you can navigate the t...

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    Navigating a saved track you can save your track log to use later as a tracback, which reduces your track log into a route with up to 300 turns. When initiated, a tracback route leads you back to the oldest stored track log point. It is a good idea to clear the existing track log before you start yo...

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    M arine m ode p ages five pages are available in marine mode—map, compass, highway, active route, and position data. An optional sonar page is available when a gsd 20 or gsd 21 sounder module is connected. Map page when you turn on the gpsmap 276c, the map page appears after the unit acquires a sate...

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    Changing the page layout and page layout and data fields you can adjust how the following pages appear: map, compass, highway, position data, trip computer, and optional sonar pages. You can also adjust the data fields on each page. To set up the page layout: 1. Press menutoopentheoptionsmenu. 2. Hi...

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    Setting up the map page use the set up map option to adjust how items appear on the map page. To change a map setup option: 1. Onthemappage,press menu toopentheoptionsmenu. 2. Highlight set up map,andpressenter. Setting up the map page. 3. Pressleftorrightonthe rockertohighlightatab;press upordownon...

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    5. Whenusingamaploadedtoadatacard,youcanview detailedinformationaboutanindividualmap,highlightthe mapname,andpress enter.Highlightok,andpress entertoexitthemapinformationpage. Individual map information page showing the individual maps that are in the selected map family. 6. Toselect/deselectindivid...

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    Map coverage conforms to the following conditions: • cartography is shown when the selected map zoom range is covered by either the internal basemap or other mapsource data loaded onto a data card. • when the selected map zoom range is covered by both the internal database and data card map informat...

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    To re-center your position on the screen: press quit.Themapautomaticallymovestoshowyour presentlocation,andtheunitreturnstopositionmode. You can also use the arrow to select on-screen map items, which allows you to review a selected item directly from the map. To view details about an on-screen poin...

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    Measuring distance you can measure the distance and bearing between two map items. To measure the bearing/distance between two points: 1. Onthemappage,press menutoopentheoptionsmenu. 2. Highlight measure distance,andpressenter.Anon- screenarrowappearsonthemapatyourpresentlocation with ent refbelowit...

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    Compass page during active navigation, the compass page guides you to your destination with a graphic compass and a bearing pointer. When the pointer is pointing straight up, you are heading directly to your destination. Compass page in marine mode rotating compass ring course to steer ndcator compa...

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    Compass page options use the options menu on the compass page to customize the compass page. Press menu to open the compass page options menu. Set up page layout—selects the page layout. Show course pointer/show compass—toggles between showing the course pointer, which shows how far off you are from...

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    To use the marine timer: 1. Pressthe rockerupordowntoselectthetimeyouwant tocount.Five(5)minutesisthedefault. 2. Press entertostartthetimer.Usetherockerduringthe timingtoquicklyselectadifferentlengthoftime. 3. Press entertostoptiming. Marine timer on the compass page as discussed previously, the tim...

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    Highway page the highway page is available in both marine mode and automotive mode. Highway page when you are navigating, the highway page provides digital and graphic steering guidance to the destination. The right side of the highway page features user-selectable data fields showing useful navigat...

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    Highway page options use the highway page options menu to define the data fields and select which waypoints and tracks appear on the screen. To show and select the highway page options: 1. Press page repeatedlyuntilthehighwaypageappears. 2. Press menu. 3. Highlightanoption,andpress enter. Highway pa...

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    Active route page when you are navigating a route using your gpsmap 276c, the active route page shows each point (waypoint or map item) of the active route, with the point name, course, distance, and several other fields of information. The current destination point, or active point, is marked with ...

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    Position data page the position data page shows important navigation data while navigating a route in marine mode. By default, the position data page shows a compass ribbon, your current latitude and longitude, date and time, your location in relation to a prominent nearby landmark such as a waypoin...

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    A utomotive m ode this section discusses some of the more common automotive operations you can perform with your gpsmap 276c in automotive mode. Please note that many common operations, such as marking a waypoint and creating a route, are performed the same way as in marine mode. See the marine mode...

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    Navigating to a destination you can navigate to your destination in automotive mode using the map page. As you travel, your gpsmap 276c guides you to your destination with voice prompts, arrows, and directions along the top of the screen. When you are actively navigating, you see a magenta line that...

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    To navigate (go to) a point on the map: 1. Highlightapointtonavigateto,andpress nav. 2. Highlight go to ,andpressenter. 3. Followthemagentaroutecreatedonthemappage. Stopping and resuming navigation when navigating to a point, you can stop navigation. For example, if you are on a long car trip, but y...

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    To create a new route: 1. Press navtoopenthenavigatemenu. 2. Highlight new route,andpressenter. 3. Fromthefindmenu,highlight waypoints,andpress enter.(youcanalsochoosetogotootherpoints,suchas citiesorexitsfromthislist.Thestepsvaryonlyslightlyfrom thoselistedforwaypoints.) 4. Selectawaypointfromtheli...

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    Following a saved route use the navigate menu to follow a saved track or route. If you want to follow roads on your route, press menu and select follow roads on the active route page. To follow a saved route: 1. Press navtoopenthenavigatemenu. 2. Highlight navigate route,andpressenter. 3. Highlightt...

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    Entering custom avoids the custom avoids feature allows you to enter specific areas and roads to avoid when navigating. Custom avoids apply to all routes, but detours apply to only the active route. You can add custom avoids while you are navigating a route or before you navigate. To enter a custom ...

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    Adding and editing stops (via points) you can add via points—points through which you would like to travel—to your route using the edit vias option. To add via points to your route: 1. Whilenavigatingyourroute,press navtoopenthenavigate menu. 2. Select edit vias,andpressenter.Theadd/editvias windowo...

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    Following an automotive route the gpsmap 276c guides you to your destination using many tools, such as the map page and current route page. Track your progress with the map page you can track the progress of your route on the map page. Your route is shown with a magenta line. The next turn is shown ...

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    A utomotive m ode p ages automotive mode has two main pages (map and trip computer), that are always available. Optional highway and compass pages can be turned on in automotive mode. When you are actively navigating, the current route page is available if you are navigating a turn-by-turn route. Th...

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    Current route page whenever you start a route in the gpsmap 276c in automotive mode, the active route page shows each turn of the active route, with the distance to the turn, the street name, and estimated time to arrival and time of arrival. As you navigate a route, the turn list automatically upda...

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    Trip computer page the trip computer page indicates your current speed and other data about your trip, such as average speed and moving time. Trip computer page reset the trip computer before beginning a trip. If you make frequent stops, leave the gpsmap 276c turned on in order to receive satellites...

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    M ain m enu the main menu provides access to various waypoint, system, navigation and interface management, and setup menus. Main menu to select a tab from the main menu: 1. Fromanypage,press menutwicetoopenthemainmenu. 2. Highlightthetabyouwant.Theinformationforthehighlighted tabautomaticallyappear...

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    Gps tab the gps tab provides a visual reference of satellite acquisition, receiver status, and accuracy. The sky view and signal strength bars give an indication of what satellites are visible to the receiver and whether they are being tracked. For more information about gps, see pages 4-6 . Main me...

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    Points tab the points tab contains two sub tabs, user and proximity, which allow you to manage a large number of waypoints quickly and efficiently. For more information about waypoints, see the “ creating and using waypoints ” section beginning on page 24 . Main menu—points tab user sub tab the user...

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    Dsc tab use the dsc tab (marine mode only) to control and set up the digital selective calling (dsc) features. Dsc uses marine vhf radio and gps to transmit and receive location information. Dsc is used by mariners for distress calls and position reporting. For more information about dsc and maritim...

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    Each entry in the call list and log has a corresponding dsc entry review page. This page operates similarly to the distress page and position report page. From the dsc entry review page, you can delete the entry, save it as a waypoint, or show the location on the map. To review a call or log entry: ...

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    Dsc log receiving a position report or distress call after you receive a position report or a distress call, you can quickly navigate to the location. Highlight a call from the call list or log,and press direct to. The top selection in the navigate menu is highlighted. Press enter to go to the locat...

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    New directory item page enter the mmsi number, name, and a comment (if needed) n the fields. Highlight ok, and press enter to save the directory entry. After creating a new directory item, the name created is attached to that particular mmsi number. If you return to the log, the new name appears und...

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    Sonar tab use the sonar tab to set up and configure sonar. See the “ setting up and using sonar ” section beginning on page 89 for more information about sonar setup options. Note: you must have a gsd 20 or gsd 21 sounder module connected to your gpsmap 276c to use sonar. Main menu—sonar tab alarms ...

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    To set a persistent alarm: 1. Highlightthe alarmstabonthemainmenu. 2. Highlighttheboxnexttothealarmyouwanttomake persistent. 3. Press entertoplaceacheckmarkinthepersistbox. Navigation (nav) alarms the nav sub tab contains the following alarms: next turn—sets an alarm to indicate the next turn in a r...

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    Sonar alarms shallow water/deep water—sets an alarm to sound when you enter an area of water that is too shallow or deep. Select on, and then specify a depth. You must be receiving sonar nmea data for this function to work. Water temp—sets an alarm to indicate if the water temperature has exceeded o...

  • Page 81

    To add a route (or point) to the calendar: 1. Highlightthe calendar tabonthemainmenu.Thecurrent dayappearsonthe day viewsubtab. 2. Press menutoopentheoptionsmenu.Highlightadd route (or add point),andpressenter. 3. Fromthepop-uproutelist(orthefindmenuif add point wasselected),selecttherouteyouwanttoa...

  • Page 82

    Tide sub tab the tide sub tab contains a graphical chart that shows tide station information in a 24-hour span starting at midnight station time. You can choose from different dates and more than 3,000 tide stations. Height of tide smallest and largest tides for the am hours select the tide station ...

  • Page 83

    To view a chart’s details for another time during the day (other than current time): 1. Fromthe tidesubtabwiththechartyouwanttoview,press menu,andthenselectmove cursor. 2. Pressthe rockerrightorlefttoviewthechartatanother time. 3. Toreturntothecurrenttime,press menu,andselectstop moving cursor. To a...

  • Page 84

    To view sun and moon information for a different location: 1. Highlightthe from field, and press enter. 2. Highlight use find menu,andpressenter.Thefindmenu automaticallyopens. 3. Selectawaypointorpointofinterest,andpress enter. 4. Onthewaypointinformationpage,press enter.Theunit showsthesunandmooni...

  • Page 85

    To use the current date again, highlight the date field. Press menu, highlight use current date, and press enter. To view hunt and fish information for a different location: 1. Highlightthe from field, and press enter. 2. Highlight use find menu,andpressenter.Thefindmenu opens. 3. Selectapoint,andpr...

  • Page 86

    To show or hide messages using the log filter: 1. Highlightthe messagetabonthemainmenu. 2. Highlightthe log filter subtab.Allmessagesappearby default. Message log filter tab 3. Highlightthemessagetypeyouwanttohide,andpress enter.Themessagenameappearsinthehidewindow. 4. Highlightthemessage,andpress e...

  • Page 87

    Backlight timeout—sets the backlight to stay on when it is turned on, or to time out after a selected period of time has elapsed when using the battery. The backlight stays on regardless of this setting when external power is used. Twilight adjustment—allows the unit to adjust the backlight for opti...

  • Page 88

    Setup tab to customize how your gpsmap 276c looks, use the system tab to adjust certain system settings. System sub tab use the system sub tab to control settings for system mode, speed filter, language, and external power. To access the system sub tab: 1. Selectthe setuptabonthemainmenu. 2. Selectt...

  • Page 89

    Road routing sub tab use the road routing sub tab to select road routing settings. To access the road routing sub tab: 1. Highlightthe setuptabonthemainmenu. 2. Selectthe road routingsubtab. Road routing sub tab route preference—allows the unit to calculate routes based on: • faster time—routes calc...

  • Page 90

    Guidance sub tab use the guidance sub tab to set guidance information. To access the guidance sub tab: 1. Highlightthe setuptabonthemainmenu. 2. Selectthe guidancesubtab. Guidance sub tab off-route recalculation—allows you to set whether the unit prompts you when it is recalculating your route (prom...

  • Page 91

    Time sub tab use the time sub tab to set the time format and zone, and set the unit to conform to daylight saving time. The current time and date appear in the current time and date field. To access the time sub tab: 1. Highlightthe setuptabonthemainmenu. 2. Selectthe timesubtab. Time sub tab time z...

  • Page 92

    Location sub tab use the location sub tab to change location setting information. To access the location sub tab: 1. Highlightthe setuptabonthemainmenu. 2. Selectthe locationsubtab. See the “appendix” for more information about location formats and map datums. Also visit the national imagery and map...

  • Page 93

    Welcome sub tab use the welcome sub tab to enter information, such as your name and address, or a welcome message that appears when the unit is turned on. This feature is helpful if your unit is ever misplaced. To access the welcome sub tab: 1. Highlightthe setuptabonthemainmenu. 2. Selectthe welcom...

  • Page 94

    Serial data format—sets the data format to one of the following: • garmin data transfer—provides the proprietary format used to exchange data with a computer or another garmin gpsmap 276c. Garmin data transfer is disabled when the usb is connected, and the unit automatically switches to usb format. ...

  • Page 95

    The status field shows one of the following: com 1 sub tab wth garmin dgps selected status of the scan • tuning—the unit is attempting to tune to the specified frequency and bit rate. • scanning—the unit is automatically scanning through the frequencies and bit rates. • receiving—the unit is receivi...

  • Page 96

    Advanced nmea output setup if you are going to interface the gpsmap 276c with another piece of equipment (such as a radar or autopilot), the unit needs to be set to output nmea data. The nmea data transmission can be customized to keep the output rate at two seconds. If too many nmea sentences are s...

  • Page 97

    S etting u p and u sing s onar this section covers the additional sonar options for the gpsmap 276c when used in conjunction with a gsd 20 or gsd 21 sounder module. Read the gsd 20 or gsd 21 sounder module installation instructions to properly install the sounder module. When you turn on your gpsmap...

  • Page 98

    Using the sonar page when combined with a gsd 20 or gsd 21 sounder module, your gpsmap 276c becomes a powerful fishfinder/flasher. If a gsd 20 or gsd 21 is attached, but the unit does not detect a transducer, a “sonar turned off” message appears across the sonar page. The sonar page appears only if ...

  • Page 99

    Adjusting the sonar page use the adjustment menu to access the settings and features most commonly used on the sonar page. Ten main adjustment options are available: range, zoom, view, gain, target level, whiteline, frequency, depth line, noise reject, and scroll. The currently selected option appea...

  • Page 100

    • 2x zoom—shows the 2x zoomed picture on the full screen. • 4x split—shows two reduced pictures, the right at the original depth scale and the left at 1/4 the original depth scale. • 4x zoom—shows the 4x zoomed picture on the full screen. • btm (bottom) split—shows two reduced pictures, the right at...

  • Page 101

    Resizing the split screen you can adjust the way the split screen appears. This option is only available when a zoom scale other than no zoom is selected. To resize the sonar page split screen: 1. Fromthesonarpagesplitscreen,press menu. 2. Highlight size split,andpressenter. 3. Movethehorizontaldoub...

  • Page 102

    Setting up sonar use the sonar tab on the main menu to set up the sonar page. To access the sonar tab: highlightthe sonartabonthemainmenu. Main menu—sonar tab fish symbols—select how the sonar page shows underwater targets and background information. Select off to show all of the available informati...

  • Page 103

    Calibrating the water speed if you select temp, spd for the transducer option on the setup sub tab, you must calibrate the water speed to ensure the water speed shown on your unit is accurate. The calibration should take place in water having little or no current. The unit automatically uses the gps...

  • Page 104

    Setting up the sonar display you can set up how the sonar information appears on-screen using the display sub tab. To access the display sub tab: 1. Highlightthe sonartabonthemainmenu. 2. Highlightthe displaysubtab. Display sub tab scale—select how and where you want the depth scale to appear. Color...

  • Page 105

    Viewing the temperature use the temperature sub tab to view a graph of water temperature changes over a period of time. The graph reads from right to left so that the most recent temperature measured appears on the far right side of the graph. The dotted lines within the graph indicate intervals in ...

  • Page 106

    Understanding sonar the transducer mounted on your vessel transmits sound waves toward the bottom of the water in a cone-shaped pattern. When a transmitted sound wave strikes an underwater object—such as the bottom, a structure, or a fish—sound is reflected back to the transducer. The transducer col...

  • Page 107

    Transducer coverage the area covered by the transmitted sound waves is determined by the cone angle of the transducer and the water depth. The wide cone angles (40°) associated with low frequencies (50 khz) provide a large coverage area for finding fish within a coverage width that is approximately ...

  • Page 108

    Whiteline the gsd 20 or gsd 21 can help you determine whether the bottom is hard or soft. When the sonar sound waves are reflected back by the bottom, a hard bottom returns a stronger signal than a soft bottom. A thin whiteline indicates a softer bottom, while a thick whiteline indicates a harder bo...

  • Page 109

    A ppendix specifications physical specifications size: 5.7" w x 3.2" h x 1.9" d (14.5 x 8.1 x 4.8 cm) weight: 13.6 oz (0.39 kg) display: 3.75" diagonal (9.5 cm) transflective, 256-color display with backlighting (480 x 320 pixels) case: fully gasketed, high-impact plastic alloy, waterproof to iec 60...

  • Page 110

    Optional accessories in addition to the standard accessories included with your gpsmap 276c, optional accessories are available to enhance the operation of the gpsmap 276c. To obtain replacement parts and optional accessories, contact your garmin dealer, garmin product support in the usa at 800/800....

  • Page 111

    Installation information this section of the appendix provides information on connecting the gpsmap 276c to auxiliary devices and removing the antenna. Connecting the power/data cable the power/data cable connects the gpsmap 276c to an 11–35 vdc system and provides interface capabilities for connect...

  • Page 112

    Connecting your gpsmap 276c to a computer you can connect your gpsmap 276c to your computer using the supplied usb cable to connect to a usb data port or the optional pc interface cable to connect to a db-9 serial communications port. Note: fully install the supplied mapsource program, trip & waypoi...

  • Page 113

    Using ximage for customized waypoint icons use ximage to exchange images between your computer and your gpsmap 276c. You can download and save screenshots of any screen shown on your unit. Ximage also allows you to download customizable splash screens and waypoint symbols from compatible gps units, ...

  • Page 114

    Interfacing the following formats are supported for connection of external devices: garmin proprietary differential gps (dgps), nmea 0180, 0182, 0183 (versions 1.5, 2.0, 2.3, 3.01), ascii text output, and rtcm sc-104 input (version 2.0). The following are the approved sentences for nmea 0183, versio...

  • Page 115

    Satellite information satellite sky view 45° 90° outer ring - the horizon inner ring- 45° above the horizon center dot - 90° above the horizon satellite location the location of each available satellite is shown over two location rings on the satellite information page. The outer ring represents the...

  • Page 116

    • searching for waas—waas is enabled and the receiver is searching for waas signal. • using waas—waas capability is enabled and the unit is receiving waas corrections. • check beacon wiring—the dgps setting is enabled in the interface sub tab on the main menu—setup tab, but no dgps device is detecte...

  • Page 117

    Loran td setup loran c is a radio navigation aid operated and maintained in the united states by the united states coast guard. The name loran is an acronym for “long range navigation.” the loran system covers the entire united states and the united states coastal confluence zone. From the perspecti...

  • Page 118

    To set up loran td from the main menu: 1. Highlightthe setuptabonthemainmenu,andthenhighlight the locationsubtab. 2. Highlightthe location format field, and press enter. Location sub tab 3. Highlight loran td,andpressenter. 4. Highlightthe setupbuttonlocatedontherightsideofthe location format field,...

  • Page 119

    Map datums and location formats map datums are based on a mathematical model of the earth. What are map datums? A datum is a mathematical model of the earth that approximates the shape of the earth and enables calculations to be carried out in a consistent and accurate manner. The datum is physicall...

  • Page 120

    Digital selective calling (dsc) dsc uses marine vhf radio gps technologies to transmit and receive location information. Dsc is used by mariners to assist them in two major areas: distress calls and position reporting. A non-emergency dsc position report allows mariners to exchange and show their po...

  • Page 121

    How are mmsi assignments obtained? Non-commercial users, such as recreational users, who remain in united states waters and only carry vhf, epirb (emergency position indicating radio beacons), and radar are not required to have a fcc ship station license. The fcc and coast guard have authorized some...

  • Page 122

    Messages accuracy alarm—the gps accuracy has fallen outside of user-set value. Alarm clock—the alarm clock has sounded. Antenna shorted to ground—the external gps antenna has an electrical connection problem. Contact garmin product support. Approaching turn—you are nearing a turn in a route. Arrivin...

  • Page 123

    No roads near starting point—the start location for the road route you tried to calculate is not near any roads. Select a different start location. No dgps position—no differential connection data is available, or not enough data is available to calculate a dgps position. No tide stations for that a...

  • Page 124

    Data field options the following list provides a brief description of each data field option. Some of these options are supported only by devices interfaced to your gpsmap 276c. Accuracy—the current accuracy of your gps determined location. Battery timer—the time remaining on the battery before it i...

  • Page 125

    Speed—your current vehicle speed can be measured in miles per hour, kilometers per hour, or knots. Steer—see course to steer. Sunrise—the time at which the sun rises on the current day. Sunset—the time at which the sun sets on the current day. Time—the current time and date. It can be shown in 12-ho...

  • Page 126

    Software license agreement by using the gpsmap 276c, you agree to be bound by the terms and conditions of the following software license agreement. Please read this agreement carefully. Garmin grants you a limited license to use the software embedded in this device (the “software”) in binary executa...

  • Page 127

    Limited warranty this garmin product is warranted to be free from defects in materials or workmanship for one year from the date of purchase. Within this period, garmin will, at its sole option, repair or replace any components that fail in normal use. Such repairs or replacement will be made at no ...

  • Page 128

    Fcc compliance this device complies with part 15 of the fcc rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. This equi...

  • Page 129

    I ndex a accessories 102 accuracy alarm 71 acquiring satellites 5 active route page 50, 52 active track tab 34, 37 ac outlet 2 add to route 20, 22, 24, 27, 58 advanced nmea output setup 88 alarms 79 dsc 66, 69 navigation 71 persistent 71 proximity 32 sonar 72 system 71 alarms tab 70–71 alerts. See a...

  • Page 130

    Display tab 78 distance and speed 83 distress calls 66, 66–69, 112, 113 drift 72 dsc 66–70, 112 e edit route 21, 22, 23, 56 waypoints 29 editing a waypoint 29 emergency 112 entering data 9 erase track log 35 external power source 2 external voltage alarm 71 f faster time 81 fcc 112, 113, 120 field 8...

  • Page 131

    Mils 83 mmsi 66, 112, 113 mob 14, 16 modes 13 month view 73 moon information 75 n nav/mob 16 navigate route 14, 21 track 14, 16, 37 navigation alarms 71 near current route 18, 19 destination 18, 19 next 18, 19 other 18, 19 next turn 82 nmea 86, 87, 88, 106 north up 6, 41 no beacon signal 108 o off r...

  • Page 132

    Shorter distance 81 signal strength 5 simulator mode 11 new location 12 starting 12 software license agreement 118 sonar 89, 90–93 adjusting 91–93 alarms 72 on the map page 89 setting up 94, 96 understanding 98 sonar tab 70 sound tab 79 speaker 79 specifications 101 speed filter 80 stop navigation 5...

  • Page 134

    Or the latest free software updates (excluding map data) throughout the life of your garmin products, visit the garmin web site at www.Garmin.Com. ©2009garminltd.Oritssubsidiaries garmininternational,inc. 1200east151 st street,olathe,kansas66062,usa garmin(europe)ltd. Libertyhouse,hounsdownbusinessp...