Garmin GPSMAP 276C, Atlantic Owner's Manual

GPSMAP® 276Cchartplotting receiverowner’s manual

Charging the GPSMAP 276CBefore using the GPSMAP 276C charge the battery. Plug the power cable into an external power source to charge. You can use the

• 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

Resizing the Split ScreenYou can adjust the way the split screen appears. This option is only available when a zoom scale other than No Zoom is select

Setting Up SonarUse the Sonar tab on the Main Menu to set up the Sonar Page. To access the Sonar Tab: Highlight the Sonar tab on the Main Menu.Main M

Calibrating the Water SpeedIf you select Temp, Spd for the Transducer option on the Setup sub tab, you must calibrate the water speed to ensure the Wa

Setting Up the Sonar DisplayYou can set up how the sonar information appears on-screen using the Display sub tab.To access the Display sub tab:1. Hig

Viewing the TemperatureUse the Temperature sub tab to view a graph of water temperature changes over a period of time. The graph reads from right to l

Understanding SonarThe transducer mounted on your vessel transmits sound waves toward the bottom of the water in a cone-shaped pattern. When a transmi

Transducer CoverageThe area covered by the transmitted sound waves is determined by the cone angle of the transducer and the water depth. The wide con

WhitelineThe GSD 20 or GSD 21 can help you determine whether the bottom is hard or soft. When the sonar sound waves are reected back by the bottom, a

aPPendIxSpecicationsPhysical SpecicationsSize: 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:

Turning Your GPSMAP 276C On or OffBefore you turn on your GPSMAP 276C, be sure the antenna is up as shown on page 1, and it has a clear and unobstruct

Optional AccessoriesIn addition to the standard accessories included with your GPSMAP 276C, optional accessories are available to enhance the operatio

Installation InformationThis section of the Appendix provides information on connecting the GPSMAP 276C to auxiliary devices and removing the antenna.

Connecting Your GPSMAP 276C to a ComputerYou can connect your GPSMAP 276C to your computer using the supplied USB cable to connect to a USB data port

Using xImage for Customized Waypoint IconsUse xImage to exchange images between your computer and your GPSMAP 276C. You can download and save screensh

InterfacingThe following formats are supported for connection of external devices: GARMIN proprietary Differential GPS (DGPS), NMEA 0180, 0182, 0183 (

Satellite InformationSatellite Sky View45°90°Outer ring -the horizonInner ring- 45°above the horizonCenter dot - 90°above the horizonSatellite Locatio

• 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

LORAN TD SetupLORAN C is a radio navigation aid operated and maintained in the United States by the United States Coast Guard. The name LORAN is an ac

To set up Loran TD from the Main Menu:1. Highlight the Setup tab on the Main Menu, and then highlight the Location sub tab. 2. Highlight the Locatio

Map Datums and Location FormatsMap Datums are based on a mathematical model of the Earth.What Are Map Datums?A datum is a mathematical model of the Ea

Getting Satellite SignalsAfter you turn on the GPSMAP 276C, the unit automatically begins searching for satellites. The GPS Page appears while the uni

Digital Selective Calling (DSC)DSC uses marine VHF radio GPS technologies to transmit and receive location information. DSC is used by mariners to ass

How Are MMSI Assignments Obtained?Non-commercial users, such as recreational users, who remain in United States waters and only carry VHF, EPIRB (Emer

MessagesAccuracy Alarm—the GPS accuracy has fallen outside of user-set value.Alarm Clock—the alarm clock has sounded.Antenna Shorted to Ground—the ext

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

Data Field OptionsThe following list provides a brief description of each data eld option. Some of these options are supported only by devices interf

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

Software License AgreementBY USING THE GPSMAP 276C, YOU AGREE TO BE BOUND BY THE TERMS AND CONDITIONS OF THE FOLLOWING SOFTWARE LICENSE AGREEMENT. PLE

Limited WarrantyThis Garmin product is warranted to be free from defects in materials or workmanship for one year from the date of purchase. Within th

FCC ComplianceThis device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause

IndexAaccessories 102accuracy alarm 71Acquiring Satellites 5Active Route Page 50, 52Active Track Tab 34, 37AC Outlet 2add to route 20, 22, 24,

The progress of satellite acquisition is shown in three stages:• No signal strength bars—the receiver is looking for the satellites indicated.• White

Display Tab 78distance and speed 83distress calls 66, 66–69, 112, 113drift 72DSC 66–70, 112Eeditroute 21, 22, 23, 56waypoints 29editing a waypo

mils 83MMSI 66, 112, 113MOB 14, 16modes 13month view 73moon information 75NNAV/MOB 16navigateroute 14, 21track 14, 16, 37navigation alarms 7

shorter distance 81signal strength 5Simulator Mode 11new location 12starting 12Software License Agreement 118sonar 89, 90–93adjusting 91–93ala

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.© 2

GPS OptionsPress 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 MenuSt

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 K

Using the GPSMAP 276CThe advanced keypad system on the GPSMAP 276C is designed to allow you to select options and enter data quickly and conveniently.

Selecting Options and Entering DataSelect options and enter data by using the ROCKER and ENTER key. To select and activate an option:1. From any page

Entering data TIP: To clear the entire data eld, highlight the left-most character eld and press left on the ROCKER again.3. Press ENTER.Not all 

Using the Main MenuUse the Main Menu on your GPSMAP 276C to access various waypoint, system, navigation and interface management, and setup menus. Pre

© 2009 Garmin Ltd. or its subsidiariesGarmin International, Inc. 1200 East 151st Street, Olathe, Kansas 66062, USA Tel. (913) 397.8200 or (800) 800.

Using Simulator ModeSimulator Mode is great for practicing with the unit if you are indoors or when satellite signals are not available. All waypoints

MarIne ModeThis section explains some of the more common operations you can perform with your GPSMAP 276C while on the water. To switch usage modes:1.

Navigating to a DestinationYou can navigate to your destination using the Map Page. As you travel, you see a magenta line that always runs from your c

To navigate (Go To) a point on the map:1. On the Map Page, highlight a point to navigate to, and press NAV.2. Highlight Go To <point name>, an

To search for an item and route to it:1. Press FIND to open the Find Menu. 2. Highlight a category, and press ENTER. 3. Press ENTER, and then press

Finding an ItemUse the Find Menu to search for addresses, food & drink, fuel services, lodging, banks/ATMs, cities, shopping, stored waypoints and

To nd an item from another location:1. From any page, press FIND. 2. Highlight a category from the list, and press ENTER. 3. Press MENU to open th

Viewing the Information PageEach item on the map and each item listed in the results list has an information page.To view details about an item:1. Hi

Creating and Using RoutesThe GPSMAP 276C allows you to create and store up to 50 reversible routes, with up to 300 points each. Creating a New RouteUs

Navigating a Saved RouteUse the Navigate Route option to select and navigate a saved route. To navigate a saved route:1. Press the NAV key.2. Highli

IntroductIonThank you for choosing the Garmin® GPSMAP® 276C, which uses the proven performance of Garmin GPS and full-featured mapping to create an un

To review individual route points:1. Highlight the Route tab on the Main Menu.2. From the Route List Page, highlight the name of the route, and pres

To edit the route on the map:1. Highlight the Route tab on the Main Menu. 2. Select a route, and press ENTER. Press MENU to open the Route Review Pa

Transitioning to the Next WaypointFrom the Route tab option menu, highlight Set Up Routes and press ENTER to set the route leg transition (or waypoint

Marking Your Present LocationUse the ENTER/MARK key to capture your present location to create a new waypoint. You must have a valid position (2D or 3

Creating a Waypoint by Entering CoordinatesYou can manually enter location coordinates to create a waypoint. This method is useful for creating a wayp

To access the Waypoint Edit Page:1. Highlight the Points tab on the Main Menu, and then select a waypoint from the list.Points Tab2. Press ENTER to

Averaging the Waypoint’s LocationAverage Location makes the unit take several sample location measurements for the waypoint and recalculate for a more

6. Select the point from which you can project your new waypoint. For more information see the “Finding an Item” section on page 17.7. To adjust the

Waypoint PageName eldSymbol eldTo edit the next waypoint in the list: 1. Highlight Next, and press ENTER. The Waypoint list appears with the next w

Waypoint PageSelect the category to which you want to assign this waypoint.To delete a category:1. With the Waypoint Categories window open, highligh

Table of ContentsIntroduction ...iCaring for the GPSMAP 276C ...

To delete waypoints by symbol or category:1. On the User sub tab, highlight the waypoint to delete, and press MENU.2. Highlight Delete by Symbol or

2. Highlight the eld below Proximity Alarm, and press ENTER.3. Select the On or Off setting, and press ENTER.To add a proximity waypoint:1. From t

Managing Your TracksThe GPSMAP 276C draws an electronic breadcrumb trail or track log on the Map Page as you travel. The track log contains points alo

To clear the track log:1. Highlight the Track tab on the Main Menu, and then highlight the Active sub tab.2. Highlight the Clear button, and press E

Saved TracksThe Saved sub tab lists all of the saved tracks in your unit. Press MENU to open the Saved tab options menu. Saved Sub TabReview on Map—sh

Navigating a Saved TrackYou 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 i

MarIne Mode PaGeSFive pages are available in Marine Mode—Map, Compass, Highway, Active Route, and Position Data. An optional Sonar Page is available w

Changing the Page Layout andPage Layout and Data FieldsYou can adjust how the following pages appear: Map, Compass, Highway, Position Data, Trip Compu

Setting Up the Map PageUse the Set Up Map option to adjust how items appear on the Map Page. To change a map setup option:1. On the Map Page, press M

5. When using a map loaded to a data card, you can view detailed information about an individual map, highlight the Map Name, and press ENTER. Highli

Alarms Tab ... 70Calendar Tab ...

Map coverage conforms to the following conditions:• Cartography is shown when the selected map zoom range is covered by either the internal basemap o

To re-center your position on the screen: Press QUIT. The map automatically moves to show your present location, and the unit returns to position mod

Measuring DistanceYou can measure the distance and bearing between two map items. To measure the bearing/distance between two points:1. On the Map Pa

Compass PageDuring active navigation, the Compass Page guides you to your destination with a graphic compass and a bearing pointer. When the pointer i

Compass Page OptionsUse the options menu on the Compass Page to customize the Compass Page. Press MENU to open the Compass Page options menu.Set Up Pa

To use the Marine Timer:1. Press the ROCKER up or down to select the time you want to count. Five (5) minutes is the default. 2. Press ENTER to star

Highway PageThe Highway Page is available in both Marine Mode and Automotive Mode.Highway PageWhen you are navigating, the Highway Page provides digit

Highway Page OptionsUse the Highway Page options menu to dene the data elds and select which waypoints and tracks appear on the screen. To show and

Active Route PageWhen you are navigating a route using your GPSMAP 276C, the Active Route Page shows each point (waypoint or map item) of the active r

Position Data PageThe Position Data Page shows important navigation data while navigating a route in Marine Mode. By default, the Position Data Page s

Caring for the GPSMAP 276CThe GPSMAP 276C case is constructed of high quality materials and does not require user maintenance except cleaning.Cleaning

autoMotIve ModeThis section discusses some of the more common Automotive operations you can perform with your GPSMAP 276C in Automotive Mode. Please

Navigating to a DestinationYou can navigate to your destination in Automotive Mode using the Map Page. As you travel, your GPSMAP 276C guides you to y

To navigate (Go To) a point on the map:1. Highlight a point to navigate to, and press NAV.2. Highlight Go To <point name>, and press ENTER.3.

To create a new route:1. Press NAV to open the Navigate Menu.2. Highlight New Route, and press ENTER.3. From the Find Menu, highlight Waypoints, an

Following a Saved RouteUse the Navigate Menu to follow a saved track or route. If you want to follow roads on your route, press MENU and select Follow

Entering Custom AvoidsThe Custom Avoids feature allows you to enter specic areas and roads to avoid when navigating. Custom Avoids apply to all route

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

Following an Automotive RouteThe GPSMAP 276C guides you to your destination using many tools, such as the Map Page and Current Route Page.Track Your P

autoMotIve Mode PaGeSAutomotive Mode has two main pages (Map and Trip Computer), that are always available. Optional Highway and Compass Pages can be

Current Route PageWhenever you start a route in the GPSMAP 276C in Automotive Mode, the Active Route Page shows each turn of the active route, with th

Failure to avoid the following potentially hazardous situations could result in an accident or collision resulting in death or serious injury.• When

Trip Computer PageThe Trip Computer Page indicates your current speed and other data about your trip, such as average speed and moving time. Trip Com

MaIn MenuThe Main Menu provides access to various waypoint, system, navigation and interface management, and setup menus.Main MenuTo select a tab from

GPS TabThe GPS tab provides a visual reference of satellite acquisition, receiver status, and accuracy. The sky view and signal strength bars give an

Points TabThe Points tab contains two sub tabs, User and Proximity, which allow you to manage a large number of waypoints quickly and efciently. For

DSC TabUse 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 tra

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 P

DSC LogReceiving a Position Report or Distress CallAfter you receive a Position Report or a Distress Call, you can quickly navigate to the location. H

New Directory Item PageEnter the MMSI number, name, and a comment (if needed) in the elds.Highlight OK, and press ENTER to save the directory entry.A

Sonar TabUse the Sonar tab to set up and congure sonar. See the “Setting Up and Using Sonar” section beginning on page 89 for more information about

To set a persistent alarm:1. Highlight the Alarms tab on the Main Menu.2. Highlight the box next to the alarm you want to make persistent. 3. Press

Important InformationMAP DATA INFORMATION: One of the goals of Garmin is to provide customers with the most complete and accurate cartography that is

Sonar AlarmsShallow 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

To add a route (or point) to the calendar:1. Highlight the Calendar tab on the Main Menu. The current day appears on the Day View sub tab.2. Press M

Tide Sub TabThe Tide sub tab contains a graphical chart that shows tide station information in a 24-hour span starting at midnight station time. You c

To view a chart’s details for another time during the day (other than current time):1. From the Tide sub tab with the chart you want to view, press M

To view sun and moon information for a different location:1. Highlight the From eld, and press ENTER.2. Highlight Use Find Menu, and press ENTER. T

To use the current date again, highlight the Date eld. Press MENU, highlight Use Current Date, and press ENTER.To view hunt and sh information for a

To show or hide messages using the log lter:1. Highlight the Message tab on the Main Menu. 2. Highlight the Log Filter sub tab. All messages appear

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 batter

Setup TabTo customize how your GPSMAP 276C looks, use the System tab to adjust certain system settings. System Sub TabUse the System sub tab to contro

Road Routing Sub TabUse the Road Routing sub tab to select road routing settings.To access the Road Routing sub tab:1. Highlight the Setup tab on the

GettInG StartedUnit OverviewThe GPSMAP 276C is an all-in-one, versatile color chartplotter and automobile navigator—perfect for land or water. This po

Guidance Sub TabUse the Guidance sub tab to set guidance information.To access the Guidance sub tab:1. Highlight the Setup tab on the Main Menu.2. S

Time Sub TabUse 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 appea

Location Sub TabUse the Location sub tab to change location setting information.To access the Location sub tab:1. Highlight the Setup tab on the Main

Welcome Sub TabUse the Welcome sub tab to enter information, such as your name and address, or a welcome message that appears when the unit is turned

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 co

The Status eld shows one of the following:COM 1 sub tab with GARMIN DGPS selectedStatus of the scan• Tuning—the unit is attempting to tune to the sp

Advanced NMEA Output SetupIf you are going to interface the GPSMAP 276C with another piece of equipment (such as a radar or autopilot), the unit needs

SettInG uP and uSInG SonarThis section covers the additional sonar options for the GPSMAP 276C when used in conjunction with a GSD 20 or GSD 21 Sounde

Using the Sonar PageWhen combined with a GSD 20 or GSD 21 Sounder Module, your GPSMAP 276C becomes a powerful shnder/asher. If a GSD 20 or GSD 21 i

Adjusting the Sonar PageUse the Adjustment Menu to access the settings and features most commonly used on the Sonar Page. Ten main adjustment options