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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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    © copyright 2004 garmin ltd. Or its subsidiaries garmin international, inc. 1200 east 151 st street, olathe, kansas 66062, u.S.A. Tel. 913/397.8200 or 800/800.1020 fax 913/397.8282 garmin (europe) ltd. Unit 5, the quadrangle, abbey park industrial estate, romsey, so51 9dl, u.K. Tel. 44/0870.8501241 ...

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    I ntroduction preface thank you for choosing the garmin ® gpsmap ® 276c, which utilizes 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 pack...

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    Table of contents introduction ...........................................................................I preface ...................................................................................... I about this manual ..........................................................................I c...

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    Organizing waypoints into categories .........................................33 deleting waypoints ......................................................................34 proximity points ...........................................................................35 managing your tracks ..............

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    Watch your trip data ....................................................................64 see your next turn with the current route page ........................64 automotive mode pages and features ...........................65 map page ...............................................................

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    Adjustment options ................................................................93 resizing the split screen ..............................................................95 using the pointer on the sonar page ............................................95 setting up the sonar ......................

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    Care information to resolve problems that cannot be remedied using this guide, contact garmin product support in the u.S.A. At 800/800.1020 or garmin europe at 44/0870.8501241. Cleaning the unit the gpsmap 276c is constructed of high quality materials and does not require user maintenance other than...

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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 unit, you may need to charge the battery in the gpsmap 276c. Simply plug the unit into an external power source to charge. You can use the unit while it is charging. To charge the unit’s battery: 1. Lift the rubber weather cap to expose the power connector o...

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    Turning on the gpsmap 276c the first time you turn on your new gpsmap 276c, the receiver must collect satellite data and establish its present position. To ensure proper initialization, the gpsmap 276c is shipped from the factory in autolocate mode, which allows the receiver to “find itself” anywhere ...

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    Getting satellite signals after you turn on the gpsmap 276c, the unit automatically begins searching for satellites. The gps page is displayed 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, t...

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    Gps page receiver status field sky view signal strength bars power source indicator 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...

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    Gps options press menu two times to open the main menu. Use the rocker key to highlight gps. Press menu to open the options menu. Gps page options menu start/stop simulator—activates and deactivates simulator mode, which is particularly helpful when learning how to use your unit. Waas on—enables waa...

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    Learning about the keypad press the in key to adjust the map scale to show a smaller area with more detail (zoom in). Press the out key to adjust the map scale to show a larger area with less detail (zoom out). Press the page key to cycle through the main pages in sequence and exit a submenu page. P...

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    Using the gpsmap 276c this section explains how to enter and select information with the gpsmap 276c. Understanding features the gpsmap 276c advanced keypad system is designed to allow quick, convenient selection of navigation options and data entry. As you progress through this owner’s manual, you ...

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    Selecting options and entering data to enter data and select options, use the rocker key to highlight, select, or choose an item in a list or a field on the screen. Use the enter key and the rocker key to select options, enter names and numbers in data fields, and activate your selections. To select a...

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    To enter data in a data field: 1. Use the rocker key to highlight the desired data field and press enter to activate the field. 2. Press up or down on the rocker key to select characters. Press right to move to the next character or press left to move back to the previous character. If there are two li...

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    Simulated basic navigation to help you get to know your gpsmap 276c, you can use the unit in simulator mode. Simulator mode is also helpful for practicing with the unit indoors or when no satellite signals are available. All waypoints and routes created in simulator mode are retained in memory for f...

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    Simulating navigation the main purpose of using a gps receiver is for navigating to a known position. To get a feel for navigating with the gpsmap 276c, it is a good idea to practice navigation in simulator mode. For this simulation we have set our location to the san diego coast. To find a marine de...

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    Now we will simulate navigation in the automotive mode. To switch between marine and automotive mode, press and hold the page key. Use the rocker key to select automotive and press enter. To find a land destination: 1. Be sure the gpsmap 276c is set to simulator mode (see “activating simulator mode”)...

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    B asic o peration i n m arine m ode this section explains some of the more common operations you will perform with your gpsmap 276c, such as navigating to a destination. To switch usage modes: 1. Press and hold the page button. 2. Use the rocker key to select either automotive or marine and press en...

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    Navigating in marine mode there are several ways to begin navigating to a point: • select a point on the map and press the nav key. • press the nav key to activate a new route using the find menu, or activate a saved route or track. • press the find key to search for a particular item and create a r...

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    To go to a highlighted map item: 1. Use the rocker key to highlight the item you would like to navigate to on the map page. 2. Press nav. Go to appears in the list of options and is automatically highlighted. If you have selected an area of the map that is not a map feature, go to map point is liste...

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    To search for an item and route to it: 1. Press find to open the find menu. 2. Using the rocker key, highlight the desired category, such as cities, and press enter. 3. Press enter and use the rocker key to begin entering the letters contained in the item name. The list begins to sort by the items w...

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    Finding an item the find menu allows you to easily search the stored waypoints and points of interest. To open the find menu, press the find key. The find menu is comprised of several default categories: waypoints, cities, exits, transportation, and tide stations. Additional categories are displayed...

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    To find an item from another location: 1. From any page, press the find key. 2. Using the rocker key, highlight the desired category from the list and press enter. 3. Press the menu key to open the options menu. Find from options menu 4. Highlight near other and press enter. If you are actively follo...

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    Viewing the information page each item on the map and each item listed in the find menu results list has an information page. To view details about an item: 1. Highlight the desired point on the map or in the search results list and press enter. An information page appears with details about the ite...

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    Creating and using routes the gpsmap 276c lets you create and store up to 50 reversible routes, with up to 300 points each. Creating a route use the route tab of the main menu to create routes. Routes can be created in two ways. The first way is to select waypoints from the find menu, allowing you to...

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    To create a route graphically: 1. Press menu twice to display the main menu. Use the rocker key to highlight the route tab. 2. Press menu to display the route options menu. Select new route and press enter. 3. Highlight the first blank slot in the route list page and press menu. Use the rocker key to...

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    Editing a route once you have created a route, the route review page allows you to edit, change the name, and review route points of a selected route. To change the name of the route: 1. Press menu twice to open the main menu. Highlight the route tab. 2. Use the rocker key to highlight the name of t...

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    To add points to the route: 1. Press menu twice to open the main menu. Use the rocker key to select the route tab. 2. Use the rocker key to select the desired route and press enter. 3. Use the rocker key to highlight the spot in the route that you want to add the new point. (the new point is added b...

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    You can enter information about your trip so the gpsmap 276c can estimate information about your trip, such as eta and ete. To plan your route: 1. Open the route review page options menu. 2. Highlight plan route and press enter. Entering speed and fuel flow for trip planning 3. Enter the desired dat...

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    Creating and using waypoints waypoints are locations or landmarks you record and store in your gps. They are locations you may later want to return to, such as checkpoints on a route or significant ground features. You can add waypoints to routes and even create a go to directly to the selected waypo...

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    Creating waypoints using the map you can quickly create a waypoint using the map page. When you pan the map and move the arrow over a map item, you will see a highlighted description of that item. The gpsmap 276c uses the map item text shown on the map as the default name and symbol for the new wayp...

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    Creating a waypoint by entering coordinates you can manually enter location coordinates to create a waypoint. This method can be useful for creating a waypoint at a specific latitude/longitude position from a chart. You can manually change the location coordinates in the new waypoint page to create a...

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    Reviewing a waypoint once you have created and stored a waypoint, you can modify, review, rename, move, or delete it at any time through the waypoint review and waypoint edit pages. These pages provide virtually the same information. For practical purposes, we will refer to these pages as the “waypo...

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    Adding a waypoint to a route append to route adds the selected waypoint to the end of a route. This option is displayed when you are not navigating. When you are navigating to a destination, add to current route is displayed. The selected waypoint is added to the current route before the route desti...

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    Projecting a waypoint you can also create a new waypoint by “projecting” the distance and bearing from a specific location to a new location. To create a new waypoint by projecting its location: 1. Create a waypoint using your favorite method (discussed in previous sections). The new waypoint is crea...

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    Editing a waypoint the user points tab displays a master list of all waypoints currently stored in memory. From the user list, you may review, edit, rename, or delete individual waypoints or delete all user waypoints. User points tab the total number of stored and available waypoints is displayed at...

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    Organizing waypoints into categories you can organize your waypoints into categories, which can help when managing and using your waypoints. For example, you can create a “vacation” category that stores all of the waypoints you will use for your upcoming vacation. When the vacation is over, you can ...

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    To delete a category: 1. With the waypoint categories window open, highlight the category to delete. Press menu. Waypoint categories options menu 2. Select delete category and press enter. 3. Press enter again to finish deleting the category. Deleting waypoints you can delete waypoints from the waypo...

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    3. When deleting by symbol, highlight the symbol of the waypoint you want to delete and press enter. When deleting by category, select the category you want to delete from the list and press enter. 4. Highlight ok and press enter to confirm. Choose cancel or press quit to exit without deleting. To de...

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    To turn proximity alarms on or off: 1. Press menu twice to open the main menu. 2. Highlight points from the vertical list of tabs. Highlight proximity from the row of tabs along the top of the screen. 3. Use the rocker key to highlight the field below proximity alarm and press enter. 4. Select the de...

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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, including time, and position for each point. The track log starts recording as soon as the gpsmap 276c gets a location fix. For the bes...

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    To clear the track log: 1. Press menu twice to display the main menu. 2. Highlight track, then highlight the active tab to the right. 3. Select the clear button and press enter. Clearing the track log 4. Highlight ok and press enter. Press quit to exit. To save the entire track log: 1. Press menu tw...

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    Saved tracks the saved tab lists all of the saved tracks in your unit. Saved tab press menu to open the saved tab options menu: review on map—displays 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 track ...

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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. Once activated, 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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    Following a marine route after you activate a route, the gpsmap 276c automatically starts guiding you to the destination using a variety of tools and pages. See your route on the map page you can track the progress of your route on the map page. Your route is shown with a magenta line. For more info...

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    See your progress on the active route page whenever you have activated a route in marine mode, the active route page shows each point (waypoint or map item) of the active route, as well as the point name, course, distance, and several other fields of information. The active point is marked with an ar...

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    M arine m ode p ages and f eatures this section discusses the major pages in marine mode, such as the map and compass pages, as well as some additional marine features, such as dsc and the marine timer. Map page the gpsmap 276c features a real-time moving map that can do much more than just plot you...

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    Zooming in and out of the map the map display has 28 available zoom scales ranging from 20 ft to 800 nm (20 ft to 800 mi or 5 m to 1200 km). The map scale is controlled by the in and out keys, with the current scale displayed at the bottom right of the data window. Note: the scale value represents t...

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    Panning the map the panning arrow allows you to pan the map to view other map areas. As you pan past the edge of the current map display, the screen moves to provide continuous map coverage. The position icon stays in your present location and may not be visible on the display screen when you pan th...

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    To view details about an on-screen point: 1. Use the rocker key to move the arrow to the desired waypoint or map item. If there are several items grouped closely together, zoom in closer for a better view. When a waypoint or map item is selected, it is highlighted on screen with the name and positio...

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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. From the map page, press menu to open the options menu. 2. Highlight measure distance and press enter. An on- screen arrow appears on the map display at your pres...

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    Compass page during active navigation, the compass page guides you to your destination with a graphic compass display and a bearing pointer. Press page repeatedly to display the compass page. Compass page in marine mode rotating compass ring bug indicator compass arrow data fields the middle of the ...

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    Using the marine timer the marine timer, specifically designed for sail boat racing, allows you to easily count up or down by specified time increments. As is common in sail boat racing, there is often a 5-minute warning countdown, followed by a 4-minute preparation countdown, and finally a one-minute ...

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    Highway page the highway page is available in both marine mode and automotive mode, though it is not displayed by default in automotive mode. See the directions to the right to display the highway page. Press page repeatedly to open the highway page. Highway page when you are navigating, the highway...

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    Highway page options the highway page options menu allows you to define the data fields and select which waypoints and track are displayed on the screen. The data fields, located along the right side of the page, provide a user-selectable layout of various types of useful data. The layout may also be c...

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    Active route page whenever you have activated a route in the 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, the active point, is marked with ...

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    Position data page the position data page displays important navigation data while navigating a route in marine mode. By default, the page displays a compass ribbon, your current latitude and longitude, the current date and time, the location you are traveling from, and eight user- selectable data fi...

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    Dsc the dsc page of the main menu (marine mode only) allows you to control and set up the digital selective calling (dsc) features on the gpsmap 276c. Digital selective calling (dsc) uses marine vhf radio and global positioning system (gps) technologies to transmit and receive location information. ...

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    Receiving dsc calls each time you receive a distress call or position report, a review page opens—either a dsc position report page or a distress call page. Both pages contain identical fields to the dsc entry review page shown below. Each entry in the call list and log has a corresponding dsc entry ...

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    Dsc log when dsc calls are received, they are automatically stored in the log, with the latest call at the top. The unit may store up to 100 calls; after 100 calls are received, the oldest log file is removed when a new call is received. Press menu to sort the list and delete entries. Dsc log receivi...

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    New directory item page enter the mmsi number, name, and a comment (if desired) in 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 is displaye...

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    B asic o peration i n a utomotive m ode this section discusses some of the more common automotive operations you will 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 mo...

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    Navigating in automotive mode when you initiate navigation in automotive mode, the gpsmap 276c automatically generates a turn-by-turn route. In some instances, you may need to select the follow roads option to generate a turn-by-turn route. Once you are actively navigating, you will see a magenta li...

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    To create a new route: 1. Press the nav key to open the navigate menu. 2. Highlight new route and press enter. 3. From the find menu, highlight waypoints and press enter. (you may also choose to go to other points, such as cities or tide stations from this list. The steps vary only slightly from tho...

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    Following a saved route the navigate menu also allows you to follow a saved track or route. If you want to follow roads on your route, be sure that you press menu and select follow roads on the active route page. To follow a saved route in automotive mode: 1. Press the nav key to open the navigate m...

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    Editing your route once you are navigating a route, you can edit that route. You can add areas and roads to avoid as well as temporary detours to your current route. You can also add stops along your trip, called via points. While navigating, press the nav key to open the navigate menu, shown below....

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    Creating a detour if, while navigating a route, there is road construction or some other form of a detour, you can have your gpsmap 276c create a detour route for you. To create a detour: 1. While navigating a course, press the nav key. 2. Select detour from the navigate menu. 3. Select the desired ...

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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 displa...

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    A utomotive m ode p ages and f eatures this section discusses the major pages in automotive mode, such as the map page, as well as some additional features, such as routes and points. For information about pages and features not discussed here, refer to the “marine mode pages and features” section. ...

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    Current route page whenever you have activated 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 automatic...

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    Trip computer page the trip computer page displays important data while navigating a route in automotive mode. It indicates your current speed and other helpful data about your trip, such as average speed and moving time. Trip computer page reset the trip computer before beginning a trip. If you mak...

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    A dditional p ages and f eatures the main menu features some additional pages that will be useful to you as you plan trips and use your gpsmap 276c. Some of these pages have already been discussed in-depth in previous sections. This section only contains the additional pages and features found in th...

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    Arrival—sets an alarm to sound when you are a specified distance or time away from a destination waypoint. Select auto for the unit to provide an arrival alarm at its discretion. Off course—sets an alarm to sound when off your desired course. Select on, then enter a distance. Anchor drag—sets an alar...

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    Using the calendar the calendar allows you to plan trips while also displaying sun and moon and hunting and fishing information for the day. To add a route (or point) to the calendar: 1. Press menu twice to open the main menu. 2. Highlight calendar from the vertical list of tabs. The current day is d...

  • Page 79

    Viewing celestial information the celestial tab of the main menu displays tide information, sun and moon information, and hunting and fishing information. You may display this data for your current position, a position from the map, or a waypoint location. Also, you may select a different date and ti...

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    To view a tide chart for a different tide station: 1. From the tide tab, highlight the at field and press enter. The find menu opens showing the tide stations. 2. Press menu and select near current location, near current route, near other (select another location using the map), or near destination i...

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    Sun & moon tab the sun & moon tab provides you with sun rise/set and moon rise/set times. A graphic display of the moon phase is also displayed. You may view sun & moon information for any date or location. You can also use the play, fast forward, and stop buttons to view an animation of the sun & m...

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    Hunt & fish tab the hunt & fish tab provides you with predictions of the good and best times to hunt and fish in a selected location on a specific date. To display the hunt & fish information: 1. Press menu twice to open the main menu. 2. Highlight celestial from the vertical list of tabs using the ro...

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    Viewing messages the message tab of the main menu displays a list of messages generated by your gpsmap 276c. Use the rocker key to scroll through the entire list of messages on the log tab. Use the log filter tab to display only the message types that you want to view. To view the messages: 1. Press...

  • Page 84

    Viewing the temperature note: you must be receiving proper sonar data from another device, such as a garmin gsd 20 sounder module, to view temperature information. The temperature tab provides a visual graph of water temperature changes over a period of time. The graph reads from right to left so th...

  • Page 85: Gpsmap 276C

    C ustomizing y our gpsmap 276c the main menu provides access to various waypoint, system, navigation and interface management, and setup menus. Setting up the system to customize how your gpsmap 276c looks and sounds, adjust certain system settings in the main menu. Adding a welcome message the welc...

  • Page 86

    Changing the page layout and data fields you can adjust how the following pages look on the screen: map, compass, highway, position data, trip computer, and optional sonar page. You can adjust the data fields on all of those pages too. To set up the page layout: 1. Press page to display the page you ...

  • Page 87

    Additional map data displayed you can view the data that is currently loaded on your gpsmap 276c unit and data card. To review/change map information: 1. Access the map page and press menu. 2. From the options menu, highlight map information and press enter. Data card information page map family hig...

  • Page 88

    Changing the display the display tab of the main menu allows you to set several features of the display, such as what pages to display in the main page sequence and how long the backlight stays on. To view the display tab: 1. Press menu twice to open the main menu. 2. Highlight display from the vert...

  • Page 89

    Changing the sounds the sound tab of the main menu allows you to customize the sounds your gpsmap 276c makes to suit your needs. To view the sound tab: 1. Press menu twice to open the main menu. 2. Highlight sound from the vertical list of tabs. Sound tab beeper—sets the beeper to chime during keypr...

  • Page 90

    Changing the system settings to open the system tab, press menu twice to open the main menu. Select setup from the vertical tab list. Then select system from the row of tabs along the top of the page. System setup tab system mode—sets the unit to operate in normal mode, battery saver mode, or simula...

  • Page 91

    Setting the timers to open the timers tab, press menu twice, select setup from the vertical tab list, and timers from the row of tabs along the top. Timers tab of the setup tab user—allows you to set the timer to count up or count down. You can also reset the timer and turn it off. Enter a time to u...

  • Page 92

    Customizing the units the units tab allows you to customize measurement units for the entire system. To open the units tab, press menu twice to open the main menu. Select setup from the vertical tab list. Then select units from the row of tabs along the top of the page. Units tab distance and speed—...

  • Page 93

    Customizing the routing and guidance settings you can change the way the gpsmap 276c generates routes in automotive mode. You can also change the way the gpsmap 276c guides you during navigation. Road routing settings to open the road routing tab, press menu twice to open the main menu. Select setup...

  • Page 94

    Calculate routes for—sets route calculation for the particular vehicle you are operating to optimize the route for your vehicle type, as some roads have vehicle-based restrictions. Avoid—allows you to avoid certain road types and maneuvers on your route. The unit uses these road types only if altern...

  • Page 95

    Changing the location settings to open the location tab, press menu twice to open the main menu. Select setup from the vertical tab list. Then select location from the row of tabs along the top of the page. Refer to the “appendix” of this guide for more information about location formats and map dat...

  • Page 96

    Changing the data format the com 1 and com 2 tabs allow you to control the input/output format used when connecting your unit to external devices. To open the com 1 or com 2 tab, press menu twice to open the main menu. Select setup from the vertical tab list. Then select com 1 or com 2 from the row ...

  • Page 97

    If you select garmin dgps or rtcm in/nmea out format, you can control a differential beacon receiver directly from your gpsmap 276c using the com tab. You can have the unit automatically scan for the dgps beacon signal, or you can enter the beacon frequency and bit rate on the unit, and the informat...

  • Page 98

    When the unit is receiving a dgps signal, the snr (signal to noise ratio) and distance fields show data. The snr range is 0 db to 30 db, with 30 being the best. The distance may or may not show data, depending upon the signal being broadcast from the dgps site. The dgps beacon transmitters are operat...

  • Page 99

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

  • Page 100

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

  • Page 101

    Adjusting the sonar page the adjustment menu allows direct access to the settings and features most commonly used on the sonar page. There are ten main adjustment options available: range, zoom, view, gain, target level, whiteline, frequency, depth line, noise reject, and scroll. Use the rocker and ...

  • Page 102

    • 2x split—shows two reduced-size sonar pictures at the same time. The right half of the display screen shows the complete sonar picture at its original scale. The left half shows a portion of the original picture at 1/2 depth scale. • 2x zoom—displays the 2x zoomed picture on the full screen. • 4x ...

  • Page 103

    Noise reject—helps filter unwanted noise from the sonar display. The noise reject can be turned off, set to normal (automatically adjusts for optimum viewing) or to a fixed 1–100% setting. When setting the noise reject, remember that a higher noise rejection setting is less likely to show fish or struc...

  • Page 104

    Setting up the sonar use the setup tab in the main menu to set up the sonar page. Press menu two times to open the main menu. Select setup from the vertical row of tabs on the left, then select sonar setup from the row of tabs along the top of the screen. Sonar setup tab of the main menu fish symbol...

  • Page 105

    Calibrating the water speed if you select temp, spd for the transducer option on the sonar setup tab, you also need to calibrate the water speed to ensure that the water speed displayed on your unit is accurate. The calibration should take place in water having little or no current. The unit automat...

  • Page 106

    Setting up the sonar display you can set up how the sonar information is displayed on the screen. Press menu two times to open the main menu. Select setup from the vertical row of tabs on the left, then select sonar display from the row of tabs along the top of the screen. Sonar display setup tab sc...

  • Page 107

    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 colle...

  • Page 108

    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 2/...

  • Page 109

    Whiteline the gsd 20 sounder module 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 harde...

  • Page 110

    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 60529...

  • Page 111

    Optional accessories in addition to the standard accessories included with your gpsmap 276c, several 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 u.S.A. ...

  • Page 112

    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 113

    Connecting your gpsmap 276c to a computer your gpsmap 276c can be connected 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 & waypo...

  • Page 114

    Using ximage for customized waypoint icons ximage allows you to exchange images between your pc and your gpsmap 276c. You can download and save screen shots of any screen displayed on your unit. Ximage also allows you to download customizable splash screens and waypoint symbols from compatible gps u...

  • Page 115

    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 116

    Learning about gps the global positioning system (gps) is a satellite-based navigation system made up of a network of 24 satellites placed into orbit by the united states department of defense. Gps was originally intended for military applications, but in the 1980s, the government made the system av...

  • Page 117

    • using waas: waas capability is enabled and the unit is receiving waas corrections. • check beacon wiring: the dgps setting is enabled in the com 1 or 2 tab of the main menu but no dgps device is detected. • no beacon signal: dgps receiver is attached, but not transmitting rtcm data to gps. • tunin...

  • Page 118

    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 perspectiv...

  • Page 119

    To set up loran td from the main menu: 1. Press menu twice to display the main menu. 2. Use the rocker key to highlight setup on the vertical tab list. Then select location from the row of horizontal tabs. 2. Using the rocker key, highlight the location format field and press enter. Location tab of t...

  • Page 120

    Map datums and location formats map datums are based on a mathematical model of the earth. What are a map datum and which should i use? 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...

  • Page 121

    Digital selective calling (dsc) digital selective calling (dsc) uses marine vhf radio and global positioning system (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 p...

  • Page 122

    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 123

    Messages approaching turn: you are nearing a turn in a route. Arriving at destination: you are nearing your destination. Batteries low: the battery needs to be recharged. Can’t unlock maps: no applicable unlock code for one or more maps was found. All mapsource maps are not accessible. Database erro...

  • 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 ...

  • Page 125

    Time: the current time and date. It can be displayed in 12-hour or 24-hour format in local time or universal (utc) time. Time to vnav: see est. Time to vnav on the previous page. Track: the direction of movement relative to a ground position. Also referred to as ground track. Trip avg. Speed (moving...

  • Page 126

    Safety and product information this section of the appendix contains information about your license agreement and warranty, as well as compliance information. Read the safety information to learn how to properly and safely operate the gpsmap 276c. Software license agreement by using the gpsmap 276c,...

  • 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 ch...

  • Page 128

    Fcc compliance the gpsmap 276c complies with part 15 of the fcc interference limits for class b digital devices for home or office use. These limits are designed to provide more reasonable protection against harmful interference in a residential installation, and are more stringent than “outdoor” re...

  • Page 129

    Caution: use the gpsmap 276c at your own risk. To reduce the risk of unsafe operation, carefully review and understand all aspects of this owner’s manual—and thoroughly practice operation using simulator mode prior to actual use. When in actual use, carefully compare indications from the gpsmap 276c...

  • Page 130

    Because the garmin gpsmap 276c can be used for vehicular navigation, important safety considerations must be followed. Read and observe the following instructions. Warning: for use in vehicles, it is the sole responsibility of the owner/operator of a vehicle to place and secure the gpsmap 276c so it...

  • Page 131

    I ndex a accessories 103 accuracy alarm 69 acquiring satellites 5 activate go to 16 route 24 simulator 11 active route page 42, 52, 58 options menu 52 active track tab 37, 40 ac outlet 2 add to route 21, 24, 26, 30, 63 advanced nmea output setup 90 alarms 68, 81 anchor drag 69 arrival 69 dsc 54, 57 ...

  • Page 132

    Alarm 69 differential 108, 109 digital selective calling. See dsc direction display 84 display tab 80 distance and speed 84 distress calls 54, 55, 56, 57, 113, 114 drift 69 dsc 54–57, 113–114 e edit route 23, 24 waypoints 32 editing a waypoint 32 emergency 113 entering data 9, 10 enter key 7 erase t...

  • Page 133

    Menu key 7 messages 116 message tab 75 military time 83 mils 84 mmsi 54, 113, 114 mob 15, 17 mob key 7 modes 14, 58, 82 month view 70 moon information 73 move around the map 45 n nav/mob 17 navigate route 15, 22 track 15, 17, 40 navigation alarms 68 nav key 7 near current route 19, 20 destination 19...

  • Page 134

    Road routing tab 85 system tab 82 timers tab 83 time tab 83 units tab 84 welcome tab 77 set an alarm 68 set date 83 set fuel flow 25 set speed 25 shallow water 69 shorter distance 85 signal strength 5 simulate 6, 11, 12, 82 gps 5 navigation 12, 13 sonar 91, 92–95 adjusting 93–95 alarms 69 on the map...

  • Page 136

    For the latest free software updates (excluding map data) throughout the life of your garmin products, visit the garmin web site at www.Garmin.Com. © copyright 2004 garmin ltd. Or its subsidiaries garmin international, inc. 1200 east 151 st street, olathe, kansas 66062, u.S.A. Garmin (europe) ltd. U...