Garmin GPSMAP 276C Owner's Manual
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Garmin GPSMAP 276C Owner's Manual

Garmin chartplotting receiver owner's manual gpsmap 276c
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  • Page 1 GPSMAP 276C ® chartplotting receiver owner’s manual...
  • Page 2 All rights reserved. Except as expressly provided herein, no part of this manual may be reproduced, copied, transmitted, disseminated, downloaded, or stored in any storage medium, for any purpose without the express prior written consent of Garmin. Garmin hereby grants permission to download a single copy of this manual onto a hard drive...

  • Page 3: About This Manual

    The Additional Page and Features section describes pages and features found in the Main Menu. To learn how to change the settings of the GPSMAP 276C, read the Customizing Your GPSMAP 276C section. If you have a Garmin Sounder Module connected to you GPSMAP 276C, refer to the Setting Up and Using Sonar section.

  • Page 4: Table Of Contents

    Unit Overview ... 1 Charging the GPSMAP 276C ... 2 Information about Charge Mode ... 2 Turning On the GPSMAP 276C ... 3 Adjusting the Backlight and Volume ... 3 Getting Satellite Signals ... 4 Viewing GPS Status with the GPS page ... 4 Receiver Status ...
  • Page 5 Compass Page Options ... 48 Using the Marine Timer ... 49 Highway Page ... 50 Using the Highway Page ... 50 GPSMAP 276C Owner’s Manual NTRODUCTION Highway Page Options ... 51 Active Route Page ... 52 Active Route Page Options ... 52 Position Data Page ...
  • Page 6 Viewing the Temperature ... 76 Changing the Temperature Display ... 76 Reset the Temperature Graph ... 76 Customizing Your GPSMAP 276C ...77 Setting up the System ... 77 Adding a Welcome Message ... 77 Changing the Page Layout and Data Fields ... 78 Setting up the Map Page ...
  • Page 7 Optional Accessories ... 103 Installation Information ... 104 Connecting the Power/Data Cable ... 104 Connecting Your GPSMAP 276C to a Computer ... 105 Information about USB Drivers ... 105 Using xImage for Customized Waypoint Icons ... 106 Installing and Removing Data Cards ... 106 Interfacing ...

  • Page 8: Care Information

    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 cleaning. Clean the unit using a cloth dampened with a mild detergent solution. Avoid chemical cleaners and solvents that may damage plastic components.

  • Page 9: Getting Started

    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 automatically generated turn-by-turn directions.

  • Page 10: Charging The Gpsmap 276C

    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.

  • Page 11: Turning On The Gpsmap 276C

    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”...

  • Page 12: Getting Satellite Signals

    ATELLITE IGNALS 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, the GPS page displays the status as “Acquiring Satellites.”...

  • Page 13: Receiver Status

    • Green signal strength bars—the receiver has collected the necessary data from this satellite. As soon as the GPSMAP 276C has collected the necessary data from the best satellites in view to calculate a fix, the status field indicates the status of the receiver. The unit then updates the position, date and time.

  • Page 14: Gps Options

    find your location. The GPS receiver can lose satellite signals due to interference from such items as buildings, tunnels, and heavy tree cover. Monitoring the GPS status is recommended.

  • Page 15: Learning About The Keypad

    Press MENU to display a menu of available options for the current page. Press MENU twice to display the Main Menu. GPSMAP 276C Owner’s Manual ETTING TARTED EARNING ABOUT THE Press the NAV/MOB (Navigate/Man OverBoard) key to display the Navigation Menu.

  • Page 16: 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 will be directed to press a specific key or highlight a field on the screen.

  • Page 17: Selecting Options And Entering Data

    3. Press ENTER to activate the feature. Another window may then appear with more options. If so, select the desired option and press ENTER again. Selecting an option from an options menu GPSMAP 276C Owner’s Manual ETTING TARTED To exit a menu or return to the previous setting: Press QUIT.

  • Page 18: Using The Databases

    Using the Databases Optional Garmin Data Cards and MapSource CD-ROMs enhance the versatility of your GPSMAP 276C. With optional MapSource City Select data, you can view listings of nearby restaurants, lodging, shopping centers, attractions and entertainment, and even retrieve addresses and phone numbers for any listed location.

  • Page 19: Simulated Basic Navigation

    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 future use.

  • Page 20: Simulating Navigation

    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 destination: 1. Be sure the GPSMAP 276C is set to Simulator Mode (see “Activating Simulator Mode” on the previous page).
  • Page 21 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”). 2. Press the FIND key. 3. Highlight Cities and press ENTER.

  • Page 22: Basic Operation In Marine Mode

    PERATION IN ARINE ARINE 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 ENTER.

  • Page 23: Navigating In Marine Mode

    Marine Mode, you can initiate Man OverBoard (MOB) navigation, which places a waypoint in the location and then navigates you back to that location. You can also initiate navigation through the Find Menu. GPSMAP 276C Owner’s Manual ASIC PERATION IN ARINE...
  • Page 24 4. Select a waypoint from the list then press ENTER to display the Waypoint page. 5. The Waypoint page automatically opens. With the Go To button highlighted, press ENTER to begin navigation. Waypoint Review Page Activating a Go To using the Find Menu GPSMAP 276C Owner’s Manual...

  • Page 25: Man Overboard (Mob)

    3. Highlight the desired item from the list and press ENTER. 4. Press ENTER when the Go To button is highlighted. For complete information about finding an item, refer to the “Finding an Item” section. GPSMAP 276C Owner’s Manual ASIC PERATION IN ARINE Man OverBoard (MOB)

  • Page 26: Finding An Item

    3. Using the Rocker key, highlight the desired item from the list and press ENTER. The item’s information page automatically opens, allowing you to save the item as a waypoint, show the item on the map, or automatically create a route to (Go To) the item. GPSMAP 276C Owner’s Manual...

  • Page 27: Recently Found Items

    Find From list, as shown below. 5. Select a reference position on the map and press ENTER. The list displays items nearest to the new map position. GPSMAP 276C Owner’s Manual ASIC PERATION IN To find an item near another item: 1.

  • Page 28: Viewing The Information Page

    Near Next—compiles the Find items lists based upon the next turn in the route. Near Destination—compiles the Find items lists based upon the route destination. Near Current Route—compiles the Find items lists based upon the active route. GPSMAP 276C Owner’s Manual...

  • Page 29: Creating And Using Routes

    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 see a list of the route points as you create the route.

  • Page 30: Navigating A Saved Route

    1. In Automotive Mode, press the NAV key. 2. Use the Rocker key to highlight Navigate Route and press ENTER. 3. Highlight the desired route and press ENTER. Select desired route from list Select the route you want to take GPSMAP 276C Owner’s Manual...

  • Page 31: Editing A Route

    Route name here Route Review Page 4. Use the Rocker key to enter the desired route name. Then press ENTER. GPSMAP 276C Owner’s Manual ASIC PERATION IN ARINE To review individual route points: 1. Press MENU twice to open the Main Menu. Highlight the Route tab.
  • Page 32 6. If the New Waypoint page opens, edit the waypoint as desired, highlight OK, and press ENTER. 7. Repeat steps 4 through 6 until all desired points are added to the route. Press Quit when finished. Editing the route on the map GPSMAP 276C Owner’s Manual...

  • Page 33: Using The Route Tab Options

    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.

  • Page 34: Creating And Using Waypoints

    ENTER/MARK. You can also find waypoints using the map or the Find Menu and then store them in the unit before ever leaving home. The GPSMAP 276C stores up to 3000 alphanumeric waypoints with a user-defined icon, comment, altitude, depth, and temperature available for each waypoint.

  • Page 35: 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 waypoint.

  • Page 36: Creating A Waypoint By Entering Coordinates

    Repeat until the new location is entered. To change any of the other information on the New Waypoint page, highlight the appropriate field and press ENTER. After entering your changes, highlight OK and press ENTER. GPSMAP 276C Owner’s Manual...

  • Page 37: Reviewing A Waypoint

    MapSource or BlueChart feature, the Waypoint Review page may include additional tabs containing information about the other features at that location. Waypoint Review Page GPSMAP 276C Owner’s Manual ASIC PERATION IN ARINE To access the Waypoint Edit page: 1.

  • Page 38: Adding A Waypoint To A Route

    3. The Average Location window appears. Watch the fields change as the unit calculates the average position of the waypoint. Press ENTER to save the position. NOTE: You must have a GPS satellite fix before you can average a waypoint’s location. Average Location Page GPSMAP 276C Owner’s Manual...

  • Page 39: Projecting A Waypoint

    4. Press MENU to open the New Waypoint page options menu. 5. Highlight Project Location and press ENTER. Project Location Menu Enter the desired distance, bearing, and location to project from. GPSMAP 276C Owner’s Manual ASIC PERATION IN ARINE REATING AND 6.

  • Page 40: Editing A Waypoint

    1. After you have edited the waypoint on the Waypoint Edit page (shown above), highlight Next and press ENTER. 2. The Waypoint list is displayed with the next waypoint highlighted. Press ENTER to edit that waypoint. Name field Waypoint Page GPSMAP 276C Owner’s Manual...

  • Page 41: Organizing Waypoints Into Categories

    3. Use the Rocker key to highlight Add and press ENTER. Enter the name of the category, select Save, and press ENTER 4. Use the Rocker key to enter a name for the category. 5. Highlight Save and press ENTER. GPSMAP 276C Owner’s Manual ASIC PERATION IN ARINE Now, when you create or edit a waypoint, you can select the category from the Category list on the Waypoint page.

  • Page 42: Deleting Waypoints

    To delete waypoints by symbol or category: 1. From the User Points tab, highlight the waypoint you want to delete and press MENU. 2. Highlight Delete by Symbol or Delete by Category and press ENTER. the User Points options menu. GPSMAP 276C Owner’s Manual...

  • Page 43: Proximity Points

    ENTER. When OK is highlighted, press ENTER. 5. Highlight Delete and press ENTER to delete all waypoints within the set location. Choose Cancel or press QUIT to exit without deleting the waypoints. GPSMAP 276C Owner’s Manual ASIC PERATION IN ARINE Proximity Points Use the Proximity Points tab to define an alarm circle around a...
  • Page 44 4. To clear a single alarm, highlight Remove Point and press ENTER. To clear all proximity waypoints, select Remove All and press ENTER. 5. Use the Rocker key to highlight OK and press ENTER to confirm. GPSMAP 276C Owner’s Manual...

  • Page 45: Managing Your Tracks

    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 best results, clear the track log before you start traveling because when the track log is full, new track points overwrite the oldest track points.
  • Page 46 5. Select a beginning point and press ENTER. Select an ending point and press ENTER. 6. The Track Review page automatically opens. Highlight OK and press ENTER to save the track. Press QUIT to exit. Saving a portion of the track log GPSMAP 276C Owner’s Manual...

  • Page 47: Saved Tracks

    To edit a track: 1. Press MENU twice to open the Main Menu. 2. Highlight the Track tab. Press the Rocker key right to highlight the Saved tab. GPSMAP 276C Owner’s Manual ASIC PERATION IN ARINE 3. Highlight the track you want to edit and press ENTER. The Track Review page opens.

  • Page 48: Navigating A Saved Track

    (TracBack to) and press ENTER. RACKS TracBack Tips Once a TracBack has been activated, the GPSMAP 276C divides the track into segments called legs. Up to 300 temporary turns are created to mark the most significant features of the track in order to duplicate your exact path as closely as possible.

  • Page 49: Following A Marine Route

    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.

  • Page 50: See Your Progress On The Active Route Page

    To stay on course, steer towards the violet bar (or arrows) until it is aligned with the red bar. For more information see the section beginning beginning on page “Position Data Page” section Position Data Page GPSMAP 276C Owner’s Manual...

  • Page 51: Marine Mode Pages And Features

    GPSMAP 276C always powers up in position mode, with the last known location centered on the map. When you press the Rocker key, the GPSMAP 276C enters pan mode, which moves the map to keep the white arrow (map pointer) within the display area.

  • Page 52: Zooming In And Out Of The Map

    The system has a built-in worldwide database, with more detailed coverage available through the use of the BlueChart or MapSource data. The GPSMAP 276C displays cartography as long as there is chart information available for the zoom scale you have selected.

  • Page 53: Panning The Map

    Map feature highlighted Panning the Map GPSMAP 276C Owner’s Manual As you move the arrow, the distance and bearing from your present position to the arrow appears in the data window, along with the arrow’s position coordinates. When you zoom in pan mode, the arrow stays centered on the screen.

  • Page 54: Clearing Unwanted Details From The Map

    2. Use the Rocker key to highlight Declutter and press ENTER. 3. Press ENTER again to return the detail to the map display. You can also press MENU, highlight Declutter On/Declutter Off, and press ENTER. Map Feature Information Page GPSMAP 276C Owner’s Manual...

  • Page 55: Measuring Distance

    3. Move the arrow to the desired reference point (the starting point that you want to measure from) and press ENTER. A push-pin icon marks the starting point on the map display. GPSMAP 276C Owner’s Manual ARINE AGES AND Push pin...

  • Page 56: Compass Page

    116. When the Compass page is open, press MENU to open the options menu. Show Course Pointer—displays the Course Pointer that shows how to get back on course. Show Bug Indicator—displays the bearing bug indicator (the purple tick mark on the compass ring). GPSMAP 276C Owner’s Manual...

  • Page 57: Using The Marine Timer

    By default, all of these different count downs and count ups can easily be performed with the GPSMAP 276C by pressing a few buttons. You must change the Compass page layout to use the Marine Timer.

  • Page 58: Highway Page

    You can zoom in or out to display a larger or smaller view of the highway. To change the highway perspective scale: • Press IN to zoom in. • Press OUT to zoom out. GPSMAP 276C Owner’s Manual...

  • Page 59: Highway Page Options

    2. Press MENU. 3. Use the Rocker key to highlight the desired option. 4. Press ENTER. Highway Page Options Menu GPSMAP 276C Owner’s Manual ARINE AGES AND The following options are available from the Highway page menu: Set Up Page Layout—allows you to choose the number of data fields that appear on the Highway page.

  • Page 60: Active Route Page

    EATURES CTIVE 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 an arrow icon.

  • Page 61: Position Data Page

    With the Position Data page open, press MENU to open the options menu. You can set up the layout of the page and change the data fields. For an explanation of the data fields, refer to page GPSMAP 276C Owner’s Manual ARINE “Appendix.”...

  • Page 62: Dsc

    DSC Page Understanding Distress Calls With your GPSMAP 276C properly connected to a VHF radio with DSC output, you may receive any DSC Distress Call within range. An alert message appears and a tone sounds when a Distress Call is received.

  • Page 63: Receiving Dsc Calls

    3. Press ENTER to open the DSC Entry Review page. DSC Entry Review Page GPSMAP 276C Owner’s Manual ARINE DSC Call List The Call List displays the 50 most recent calls, even if the unit is left unattended.

  • Page 64: Dsc Log

    ENTER. Or, press MENU, highlight New Item, and press ENTER. 3. Enter the MMSI number, the Name, and any comments. 4. When finished, highlight OK and press ENTER. GPSMAP 276C Owner’s Manual Blank entry. Press ENTER to add a...

  • Page 65: Making A Distress Call

    Another way to input a name is from the Entry Review page or the DSC Distress Call or DSC Position Report pages. The Name and MMSI are sent to other Garmin GPS units: Only the MMSI numbers are sent to other non-Garmin DSC users.

  • Page 66: Basic Operation In Automotive Mode

    UTOMOTIVE 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 Mode.

  • Page 67: Navigating In Automotive Mode

    • 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 route to it. GPSMAP 276C Owner’s Manual ASIC PERATION IN UTOMOTIVE...
  • Page 68 3. Highlight the desired item from the list and press ENTER. 4. Press ENTER when the Go To button is highlighted. For complete information about finding an item, refer to the “Finding an Item” section on page 18. GPSMAP 276C Owner’s Manual...

  • Page 69: Following A Saved Route

    5. Highlight Follow Roads and press ENTER to create a turn- by-turn route (auto-route), which is displayed in the Current Route page. You can also activate a Saved Route from the Saved Route tab in the Main Menu. GPSMAP 276C Owner’s Manual ASIC PERATION IN UTOMOTIVE Stopping and Resuming Navigation At any time when you are navigating to a point, you can stop navigation.

  • Page 70: Editing Your Route

    Press ENTER to select the first point. 6. Move the arrow to the end point and press ENTER. During route calculation and navigation, the GPSMAP 276C will avoid the area within the box or the selected area of the road.

  • Page 71: Creating A Detour

    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.

  • Page 72: Following An Automotive Route

    UTOMOTIVE OLLOWING AN 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.

  • Page 73: Automotive Mode Pages And Features

    fields to the page or select a full screen map without data fields. Current Location Map Page GPSMAP 276C Owner’s Manual Press the zoom keys (IN and OUT) to change the map scale. Some EATURES items on the map are only displayed if the map is zoomed in to a certain level.

  • Page 74: Current Route Page

    AGES AND EATURES 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.

  • Page 75: Trip Computer Page

    Trip Computer Page Reset the Trip Computer before beginning a trip. If you make frequent stops, leave the GPSMAP 276C powered on in order to receive satellites. This allows the unit to accurately measure elapsed time during the trip.

  • Page 76: Additional Pages And Features

    AGES AND 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 the Main Menu that have not been discussed yet.

  • Page 77: System Alarms

    DGPS—sets an alarm to sound when the unit loses a differential fix. Accuracy—sets an alarm to sound when GPS accuracy falls outside of the user-set value. Select On and then enter a specific distance. GPSMAP 276C Owner’s Manual DDITIONAL Sonar Alarms Sonar Alarms Tab Shallow Water/Deep Water—sets an alarm to sound when you...

  • Page 78: Using The Calendar

    MENU on any of the calendar views to open the options menu. To jump to the Sun & Moon Information or Hunt & Fish tab, highlight View Sun and Moon or View Hunt and Fish and press ENTER. GPSMAP 276C Owner’s Manual...

  • Page 79: Viewing Celestial Information

    The Tide tab contains a graphical chart that displays tide station information in a 24-hour span starting at midnight station time. You can choose from different dates and over 3000 tide stations. GPSMAP 276C Owner’s Manual DDITIONAL EATURES Enter the Date for which you want to Select the Tide Station for which you view the tide information.
  • Page 80 1. Use the Rocker key to highlight the Date field. Then press Down to activate the cursor (pan) mode. 2. Scroll the chart right to view the next day or left to view the previous day. GPSMAP 276C Owner’s Manual...

  • Page 81: Sun & Moon Tab

    3. Press ENTER when finished. The unit displays the sun and moon information for the date you entered or selected. To use the current date again, highlight the Date field. Press MENU, highlight Use Current Date, and press ENTER. GPSMAP 276C Owner’s Manual DDITIONAL EATURES Select the...

  • Page 82: Hunt & Fish Tab

    4. On the information page, press ENTER. The unit displays the Hunt & Fish information for the selected location. To use the current location, highlight the From field. Press ENTER, highlight Current Location, and press ENTER. GPSMAP 276C Owner’s Manual...

  • Page 83: Viewing Messages

    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.

  • Page 84: Viewing The Temperature

    EMPERATURE 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 that the most recent temperature measured is displayed on the far right side of the graph.

  • Page 85: Customizing Your 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 Welcome tab allows you to enter information, such as your name and address, that the unit can display when it is turned on.

  • Page 86: Changing The Page Layout And Data Fields

    field you want to change and press ENTER. 4. Press Up or Down on the Rocker key to highlight the desired setting and press ENTER. 5. Press PAGE or QUIT to exit. Changing a Data Field GPSMAP 276C Owner’s Manual...

  • Page 87: Additional Map Data Displayed

    (no check mark) the Show setting. 4. To view the list of maps within a Map Family, highlight the name of the Map Family and press ENTER. GPSMAP 276C Owner’s Manual USTOMIZING Individual Map Information Page Showing the individual maps that are in the selected Map Family 5.

  • Page 88: Changing The Display

    Highway Page—enables the page and places it in the Main page sequence. Compass Page—enables the page and places it in the Main page sequence. Backlight Intensity—turns the backlight up or down. Press the Rocker key Right to increase the intensity or Left to decrease. GPSMAP 276C Owner’s Manual...

  • Page 89: Changing The Sounds

    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.

  • Page 90: Changing The System Settings

    276C remains on (Stay On) or the unit turns off (Turn Off) when external power is removed from the unit. External Power On—allows you to turn the GPSMAP 276C on (Turn On) or charge the battery (Charge Battery) when external power is applied to the unit.

  • Page 91: Setting The Timers

    Time Tab of the Setup Tab Time Zone—allows you to choose a city in your correct time zone so the GPSMAP 276C will show the correct local time. Select Other to enter a UTC Offset. If the incorrect date is displayed, press MENU, highlight Set Date, and press ENTER.

  • Page 92: Customizing The Units

    5. Press ENTER to restore the tab to the defaults. To restore all of unit’s settings to the factory defaults at once, select All Unit Defaults from the options menu of the Setup tab. Setup Tab Options Menu GPSMAP 276C Owner’s Manual...

  • Page 93: Customizing The Routing And Guidance Settings

    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.

  • Page 94: Guidance Settings

    (Automatic - Silent). You can also turn the off- route recalculation Off. Next Turn Pop-up—turns the Next Turn pop-up window Off, or opens the window when you hold the NAV key (Held NAV Key Only), opens automatically (Automatically Only), or Both. GPSMAP 276C Owner’s Manual...

  • Page 95: Changing The Location Settings

    You should only change the datum if you are using a map or chart that specifies a different datum. GPSMAP 276C Owner’s Manual USTOMIZING The default setting is WGS 84. The unit automatically chooses the best datum depending upon your chosen position format.

  • Page 96: Changing The Data Format

    Serial Data Format—sets the data format to one of the following: • Garmin Data Transfer—the proprietary format used to exchange data with a PC or another Garmin GPSMAP 276C. Garmin Data Transfer is disabled when the USB is connected, and the unit automatically switches to USB format. When the USB is disconnected, the USB field changes to Transfer...
  • 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 information will be used to tune the beacon receiver.

  • Page 98: Advanced Nmea Output Setup

    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.

  • Page 99: Setting Up And Using Sonar

    Read the GSD 20 Sounder Module Installation Instructions to properly install the sounder module. When you turn on your GPSMAP 276C, the Sounder Module automatically turns on. NOTE: You MUST have a GSD 20 installed and connected to your GPSMAP 276C to use the sonar features.

  • Page 100: Using The Sonar Page

    (Dual) on the other half. The current display mode is displayed at the bottom of each sonar display. Read the more on information about sonar. “Understanding Sonar” section beginning on page GPSMAP 276C Owner’s Manual...

  • Page 101: Adjusting The Sonar Page

    You may also press MENU and highlight the desired shortcut setting to quickly change to commonly used settings/values. Press ENTER to accept the new setting (or press QUIT to cancel) and return to the Sonar page. GPSMAP 276C Owner’s Manual ETTING UP AND SING ONAR...
  • Page 102 The depth of the line appears in a box on the right side of the line. Press Up or Down on the Rocker key to move the line on the sonar display. for more information. GPSMAP 276C Owner’s Manual...

  • Page 103: Resizing The Split Screen

    Rocker key until the desired vertical width line shows, then press ENTER. 4. If you wish to cancel this operation, press QUIT or press MENU, highlight Stop Resizing, and press ENTER. GPSMAP 276C Owner’s Manual ETTING UP AND SING ONAR...

  • Page 104: Setting Up The Sonar

    The Keel Offset is reflected in the depth reading. Transducer—select the type of transducer that you are using. If you are using a speed-capable transducer/sensor, select Temp, Spd. GPSMAP 276C Owner’s Manual...

  • Page 105: Calibrating The Water Speed

    2. Bring the boat to a cruising speed. Both the top ground and uncalibrated water speeds is shown at the bottom of the calibration window. Note your top speed, then stop the boat and press ENTER. GPSMAP 276C Owner’s Manual ETTING UP AND SING Calibrating the Water Speed 3.

  • Page 106: Setting Up The Sonar Display

    Sonar page. Background Color—select the color for the Sonar page and the sonar on the Map split. White Background Temperature Graph Sonar Page with the Sonar Display settings changed Graphic Flasher Color Bar Depth Scale in corners GPSMAP 276C Owner’s Manual...

  • Page 107: Understanding Sonar

    The transducer collects the reflected sound waves and sends the data to the GSD 20 Sounder Module and then to the GPSMAP 276C to be processed and displayed. The underwater data is shown on the Sonar display in the order that it is returned; first returned is the first on the display.

  • Page 108: Transducer Coverage

    6-foot diameter circle 40° Cone Angle (50 kHz) 10° Cone Angle (200 kHz) at a 30-foot depth. Dual frequency mode combines both frequencies to get the best coverage area and contour/depth readings. GPSMAP 276C Owner’s Manual...

  • Page 109: Whiteline

    Thermoclines are shown as the weakest colors. One of the unique features offered by Garmin is See-Thru technology, which allows the GPSMAP 276C to hear both weak and strong signals simultaneously so it can identify fish returns under the toughest conditions, such as suspended in thermoclines or even hiding near structures.

  • Page 110: Appendix

    15 meters (49 feet) RMS 95% typical DGPS (USCG): 3–5 meters (10–16 ft), 95% typical DGPS (WAAS): < 3 meters (10 ft) 95% typical with DGPS corrections Velocity: 0.1 knot RMS steady state Dynamics: 6 g's GPSMAP 276C Owner’s Manual...

  • Page 111: Optional Accessories

    16 MB, 32 MB, 64 MB, and 128 MB sizes. Download detailed map data from MapSource CD-ROMs to a data card, either directly through your GPSMAP 276C using the PC USB Cable, the optional PC Interface Cable, or with the optional USB Data Card Programmer.

  • Page 112: Installation Information

    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 connecting external devices. The color code in the diagram below and to the right indicates the appropriate harness connections.

  • Page 113: Connecting Your Gpsmap 276C To A Computer

    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.

  • Page 114: Using Ximage For Customized Waypoint Icons

    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 units, customize them (if you have an image editing program on your PC), and send them back to your GPS unit.

  • Page 115: Interfacing

    GPBOD, GPRTE, and GPWPL. The following are the Proprietary Sentences for NMEA 0183, version 3.01 output: PGRME, PGRMZ, and PGRMM. The GPSMAP 276C also includes NMEA input with support for the BWC, DBT, DPT, MTW, VHW, VTG, and XTE sentences. Garmin’s proprietary communication protocol is available from the Web site (www.garmin.com).

  • Page 116: Learning About Gps

    GPS works in any weather conditions, anywhere in the world, 24 hours a day. There are no subscription fees or setup charges to use GPS. For more information refer to the Garmin Web site at and also read the GPS Guide for Beginners, which can garmin.com...

  • Page 117: What Is Waas

    SBAS system should be capable of providing your GPS unit with increased accuracy at any location in the world. Currently, enabling WAAS on your Garmin GPSMAP 276C in regions that are not supported by ground stations may not improve accuracy, even when receiving signals from an SBAS satellite.

  • Page 118: Loran Td Setup

    The LORAN Position Format field is located under the Units tab in the Main Menu. The LORAN TD Setup window contains the fields to select the Loran GRI-Chain Number, Primary and Secondary Stations, and TD Offsets. GPSMAP 276C Owner’s Manual...
  • Page 119 TD coordinate anywhere in the world. You must know your GRI chain number and secondary stations to create a LORAN TD position. For more information, read our LORAN TD Position Format Handbook, available at the Garmin Web site, at www.garmin.com/support/userManual.html. PPENDIX ORAN...

  • Page 120: Map Datums And Location Formats

    Every chart has a map datum reference, and you can set the GPSMAP 276C to match most of those commonly used. If you are navigating and comparing the GPS coordinates to a map, chart, or other reference, set the map datum in the GPS unit to the same datum as the map to ensure the most accurate navigation.

  • Page 121: Digital Selective Calling (Dsc)

    Coast Guard when used in an emergency Distress Call. To obtain a Maritime Mobile Service Identity (MMSI) number, users must register their VHF radio with the FCC (Form 605). Garmin does not supply this number! For more information regarding MMSI numbers, visit navcen.uscg.gov/marcomms/gmdss/mmsi.htm.

  • Page 122: How Are Mmsi Assignments Obtained

    DSC support. Any DSC- equipped mariner (on sea or land) within range can receive the call. When the GPSMAP 276C is connected to a VHF with DSC support, the GPS unit displays a Call List, Log, and a Directory. Basic wiring is required for the Garmin unit and VHF radio to send and receive NMEA data from each other.

  • Page 123: Messages

    Can’t Unlock Maps: No applicable unlock code for one or more maps was found. All MapSource maps are not accessible. Database Error: Internal problem with the unit. Contact your dealer or Garmin Product Support to have the unit repaired. Deep Water: The water is deeper than the amount set in the Deep Water Alarm.

  • Page 124: Data Field Options

    Elevation: The altitude (height) above or below mean sea level (MSL). GPS Status: The current status of the GPS receiver, such as “3D GPS.” Location (Lat/Lon): Your current location as latitude/longitude coordinates. Location (Selected): Your current location described in the selected units of measure (other than lat/lon).
  • Page 125 Water Speed: (Marine Only) The data acquired from measurement devices interfaced to the unit is used to calculate your current speed over water. GPSMAP 276C Owner’s Manual Water Temperature: (Marine Only) The temperature of water at a measured depth using measurement devices interfaced to the unit.

  • Page 126: Safety And Product Information

    Registration link on our Home page. Use this area to record the serial number (8-digit number located on the back of the box) in case your GPSMAP 276C is lost, stolen, or needs service. Keep your original sales receipt in a safe place or attach a photocopy inside the manual.

  • Page 127: Limited Warranty

    Garmin dealer for repairs. The GPSMAP 276C is fastened shut with screws. Any attempt to open the case to change or modify the unit in any way will void your warranty and may result in permanent damage to the equipment.

  • Page 128: Fcc Compliance

    RODUCT NFORMATION 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” requirements.
  • 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,...
  • Page 130 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 will not interfere with the vehicle operating controls and safety devices, obstruct the driver’s view of driving conditions, or cause or...

  • Page 131: Index

    Calculation Method sonar Calendar system Calibrate Water Speed Alerts. See Alarms Cards, Data Anchor Drag GPSMAP 276C Owner’s Manual 1, 3, 107 Care Information Carpool Lanes Categories Find Menu Waypoint CDI. See Course Deviation Indicator Celestial Tab 3, 5 hunt &...
  • Page 132 Map Datum Map Orientation Map Page declutter setup Marine Timer Maritime Mobile Service Identity. See MMSI 1, 2, 120 Marking a Waypoint underwater MayDay 57, 114 87, 112 Measuring Distance GPSMAP 276C Owner’s Manual 15, 17 9, 26, 27, 28, 31...
  • Page 133 Plan Route altitude Plan Trips location 6, 11 Point waypoint 28, 31 Points of Interest Next Turn GPSMAP 276C Owner’s Manual Position 88, 89, 90, 107 Position Mode 6, 43 Position Report Power 2, 3, 104 connector outlet Practice Mode. See Simulator Mode...
  • Page 134 Waypoint 18, 26, 108 16, 59, 61, 64 categories create 26–36 edit information page name proximity symbol transition to next Week View Whiteline 94, 101 14, 82 Wide Area Augmentation System. See WAAS 1, 105 Zoom GPSMAP 276C Owner’s Manual...
  • 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 Street, Olathe, Kansas 66062, U.S.A.

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