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Connecting the Power/Data

The power/data cable connects the GPSMAP 76 to a 8-35 volt DC system and 

provides interface capabilities for connecting external devices. The color code in 
the diagram below indicates the appropriate harness connections. Replacement 
fuse is a AGC/3AG - 2.0 Amp fuse.

Interfacing

The following formats are supported for connection of external devices:

GARMIN proprietary Differential GPS (DGPS), NMEA 0180, 0182, 0183 (ver-
sions 1.5, 2.0, 2.3), ASCII Text Output, RTCM SC-104 input (version 2.0).

The following are the sentences for NMEA 0183, version 2.3 output:

Approved sentences — GPRMC, GPGGA, GPGSA, GPGSV, GPGLL, GPBOD, 
GPRTE, and GPWPL; Proprietart sentences — PGRME, PGRMZ, and PSLIB.  The 
GPSMAP 76 also includes NMEA input with support for the DPT, MTW, and 
VHW sentences.  

You can dowload a copy of GARMIN’s proprieatry communication protocol on the 
Help and Support section of our website at www.garmin.com

3

8-35

Brown: Data Out

White: Data In

Black: Ground

Red: Power

61

Getting Started

61

Wiring & Interfacing

Appendix B

Unit View

Data In
White

Power
Red

Ground 
Black

Data Out
Brown

Cable View

Data In
White

Power
Red

Data Out
Brown

Ground
Black

190-00230-00.indd

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61

Summary of Contents for GPSMAP 76 series

Page 1: ...GPSMAP 76 owner s manual reference guide covers indd 03 14 01 12 35 PM 1...

Page 2: ...onic storage medium to be viewed for personal use provided that such electronic or printed copy of this manual contains the complete text of this copyright notice and provided further that any unautho...

Page 3: ...or comments regarding the use of the GPSMAP 76 you can visit our website or contact our Customer Service Department M F 8 00 5 00 CST except holidays at 1 800 800 1020 If you have previously register...

Page 4: ...Failure by the operator of a vehicle equipped with an GPSMAP 76 to pay full attention to operating the vehicle and road conditions while the vehicle is in motion could result in an accident or collisi...

Page 5: ...try to correct the problem by relocating the equipment Consult an authorized GARMIN dealer or other quali ed service technician if the problem cannot be corrected Operation is subject to the following...

Page 6: ...nd is rugged enough to endure the most trying use and GARMIN s friendly user interface will allow you to be navigating with your GPS in no time Your GPSMAP 76 can provide one more critical bene t peac...

Page 7: ...7 Map Page Options 28 33 Pointer Page 33 34 Highway Page 34 36 Main Menu 37 59 Trip Computer 37 Tracks 38 39 Waypoints 40 Points of Interest 41 Cities 42 Exits 42 43 Addresses 44 Intersections 44 Rout...

Page 8: ...your present location as a waypoint 16 Go to a destination 17 19 20 Create and use a route 45 48 Learn about the Map page 11 16 26 27 Pan using the map arrow 26 Zoom in or out on the Map page 10 26 Re...

Page 9: ...tion GPSMAP 76 Internal Antenna 180 x 240 Four Level Gray Backlight Display Interface Keys External Antenna Connection Battery Compartment External Data Auxilary Power Port 190 00230 00 indd 03 15 01...

Page 10: ...f used batteries properly 8 Getting Started Installing the batteries Installing the batteries 1 Remove the Battery Cover by turning the D ring 1 4 turn counter clockwise and pulling the cover loose 2...

Page 11: ...o install the Lanyard 1 Place the loop of the Lanyard through the slot opening at the bottom of the GPSMAP 76 2 Route the strap through the loop and pull tight Installing the Lanyard 190 00230 00 indd...

Page 12: ...To turn the unit off press the POWER Key and hold it The POWER Key is also used to display the adjustment window for the backlight and contrast adjustment To activate the backlight contrast adjustmen...

Page 13: ...ntrolled by the ROCKER Key When a eld is highlighted a dark strip will encompass the eld Let s start by taking a look at the ve main display pages They are the GPS Information Page Map Page Pointer Pa...

Page 14: ...tellite Signal Strength Indicators displayed are only simulations and do not indicate the strength of actual satellite signals Activating the Simulator Mode Press the POWER Key to turn the unit on The...

Page 15: ...setup options and or functions that apply to that page To display the Options Menu 1 Press the MENU Key Selecting an item on the Options Menu 1 Using the ROCKER Key highlight Setup Map 2 Press ENTER...

Page 16: ...y The unit has to be turned on and receiving at least three satellites or simulating navigation to mark a waypoint Marking a waypoint 1 Press and hold the ENTER Key When you held the ENTER Key the GPS...

Page 17: ...you have spelled the word CREEK 5 With the letter K highlighted press the ENTER Key to accept the name When you have nished renaming the waypoint you will need to store it in the units memory To store...

Page 18: ...the ROCKER Key you can pan the Map Pointer around the map As you move around the map the direction and distance from the Map Pointer to the current GPS location is displayed along the top of the map...

Page 19: ...oward your destination Bearing while the Compass Ring re ects the direction that you are traveling Track In short when you are headed directly toward your destination the Pointer will be pointed towar...

Page 20: ...for satellite signals and begin to gather and store the information that it needs to become operational This process should take no more than ve minutes When the unit is operational the message 3D GP...

Page 21: ...nutes Let s start the trip back Remember that GPS provides you with direct straight line navigation It is not always possible to navigate using the most direct route don t worry the GPSMAP 76 will con...

Page 22: ...our GPSMAP 76 to begin navigating on your own Be safe remember that while the GPS is very reliable you should always have a backup means of navigation Basic Navigation DESTINATION START When you are a...

Page 23: ...If you do not use your GPS for several months or move the unit several hundred miles between uses the Almanac can become cold that is to say that the orbital information is no longer valid If the Alma...

Page 24: ...other menu will be displayed This menu contains the options Automatic or Use Map If you select Automatic the unit will switch to the AutoLocate mode and begin searching for satellites If you select Us...

Page 25: ...als 2D GPS Location Indicates that the receiver is only using three satellite signals When a 2D GPS Location is achieved the GPS will display your current position but is incapable of providing an alt...

Page 26: ...ther shaded with a light grey or lled with solid black If the bar is grey it means that the GPS is receiving a signal from the satellite and is in the process of storing orbital data provided in the G...

Page 27: ...her state province or country and you are having trouble locking onto satellite signals select New Location When you select New Location an options menu will be displayed This menu contains the option...

Page 28: ...ble To change the Zoom Scale 1 Press the IN Key to decrease the Zoom Scale 2 Press the OUT Key to increase the Zoom Scale Map Page Options To access the Map Page Options with the Map Page displayed pr...

Page 29: ...highlight over the desired data eld then press ENTER Using the ROCKER scroll through the available selections With the data type highlighted press ENTER to accept the selection Setup Map This option c...

Page 30: ...n Colors and Auto Zoom Below is a description of each feature To change a setting highlight the appropriate eld then press ENTER Make your selection then press ENTER to accept the new selection Detail...

Page 31: ...longer be displayed MapSource This option is only available if Mapsource CD data has been loaded into the unit If MapSource data is available you can choose whether or not to display the data on the m...

Page 32: ...e waypoints included in an Active Route will be displayed with large text on the Map Page Setup Map Point Tab The Point Tab contains the Navaids Points of Interest Geo and Exit option settings Each of...

Page 33: ...ring Line If set to On the Bearing Line will show the bearing from your current location to the active waypoint This will show the shortest path to the waypoint When the Bearing Line is on the Course...

Page 34: ...ity Medium City Small City and Small Towns To change a setting highlight the eld then press ENTER Make your selection then press ENTER to accept The City settings are used to de clutter the map If Aut...

Page 35: ...e unit will try to match your location to a road Pointer Page The Pointer Page is best used for navigation when a straight line course can not be followed The Pointer Page has User Selectable Data Fie...

Page 36: ...s With the data type highlighted press ENTER to accept the selection Highway Page The Highway Page is best used for navigation when a straight line course can be followed The Highway Page has User Sel...

Page 37: ...type of data you want displayed in the data elds To change a data type place the highlight over the desired data eld then press ENTER Using the ROCKER scroll through the available selections With the...

Page 38: ...priate eld then press ENTER Make your new selection then press ENTER to accept the selection Next This setting determines if the next waypoint in a Route will be displayed If On is selected you will s...

Page 39: ...e the Trip Computer was last reset Moving Avg The Moving Average Speed eld will display an average speed based on the time the unit was in motion since the Trip Computer was last reset Moving Time The...

Page 40: ...When you select Save you can choose how far back in the log you wish to save Select the appropriate choice press ENTER to save the selection Clear The Clear Button will allow you to clear the Track Lo...

Page 41: ...istance shows the total distance of the Saved Track Points shows the number of track log points in the Saved Track Show on Map and Highway when checked will allow Saved Track to be displayed on the Ma...

Page 42: ...ll display a list containing the nearest waypoints within a 100 mile radius The waypoints will be listed with the nearest waypoint at the top of the list Find By Name will display a list containing al...

Page 43: ...rching the list by name or by showing the nearest item To view information about an item in the list highlight the item then press ENTER An Information window will be displayed showing the name addres...

Page 44: ...y as a waypoint press MENU with Save as Waypoint selected press ENTER Along the bottom of the Information Page are three buttons GoTo Map and OK GoTo begins direct navigation to the point Map displays...

Page 45: ...e available when MapSource CD data that contains addresses is loaded in the unit When Addresses is selected the Find Address Page is displayed To nd an address enter the Number and Street You can also...

Page 46: ...losely match your entry Highlight the correct Intersection then press ENTER This will display the Intersection Information Page From this page you can Goto the Intersection view the Intersection on th...

Page 47: ...lable options Start Stop Navigation Will start navigation of a highlighted route Will stop navigation of an Active Route Copy Route Will make a copy of a highlighted route Delete Route Will remove the...

Page 48: ...stored in the User Waypoint List If you would like to save a Map Feature Point as a User Waypoint highlight the point in the route press ENTER this will display an Information Page With the Informatio...

Page 49: ...Waypoint To review information on a route waypoint place the Map Pointer on the waypoint then press ENTER This will display an options menu highlight Review then press ENTER to display the waypoint i...

Page 50: ...ss ENTER Place the Map Pointer at the desired new location press ENTER to move the waypoint Next point in Route to move the Map Pointer to the next point in the route with the Map Pointer on a route p...

Page 51: ...to alert you when you are approaching a predetermined area When you place a waypoint in the Proximity List you will enter a Radius that will determine when a Proximity Alarm will be displayed You can...

Page 52: ...ur span starting at midnight station time You can choose from different dates and over 3000 tide stations around the USA coastline Alaska Hawaii western Canada and several of the Caribbean Islands Sta...

Page 53: ...the ends of the line will indicate the current tide height The gure to the left of the line will show the current tide level in feet The Mean Lower Low Water MLLW will appear as a solid vertical line...

Page 54: ...color You may display this information for your current location or you can use the Map or Points Menu to select a location To display the location options press ENTER with Location eld highlighted Yo...

Page 55: ...will determine how the unit functions To select a tab the highlight must be on the tab name then use the ROCKER Key right left to scroll through the tabs To select a data eld on a tab user the ROCKER...

Page 56: ...ll be displayed in the Satellite Strength Indicators on the GPS Information Page and the receiver status will indicate a 2D or 3D Differential Location Currently the WAAS system is not fully operation...

Page 57: ...n nd a chart with UTC Offsets in Appendix C Daylight Savings Time Has three options Yes No and Auto If you select Auto the unit will automatically determine when Daylight Savings Time should be displa...

Page 58: ...d in the time setting Setup Menu Location Tab The Location Tab contains the settings for Location Format Map Datum North Reference and Magnetic Variation The settings are used in related elds througho...

Page 59: ...cally determined from your current location True provides headings based upon a true north reference Grid provides headings based on a grid north reference used in conjunction with the grid location f...

Page 60: ...estination Automatic will alert you between 15 and 90 seconds before depending on your speed Distance and Time alert you at the speci ed distance or time Off Course The Off Course Alarm will alert you...

Page 61: ...speed of communication in bits per second is displayed in the Baud eld Text Out Allows the GPSMAP 76 to output simple text data that includes date time position and velocity information The Baud can b...

Page 62: ...5 typical DGPS USCG Accuracy 3 5 meters 10 16 ft 95 typical DGPS WAAS Accuracy 3 meters 10ft 95 typical with DGPS corrections Velocity Accuracy 0 1 knot RMS steady state Dynamics 6g s Subject to accur...

Page 63: ...t version 2 0 The following are the sentences for NMEA 0183 version 2 3 output Approved sentences GPRMC GPGGA GPGSA GPGSV GPGLL GPBOD GPRTE and GPWPL Proprietart sentences PGRME PGRMZ and PSLIB The GP...

Page 64: ...to W127 5 9 W127 5 to W112 5 8 W112 5 to W097 5 7 W097 5 to W082 5 6 W082 5 to W067 5 5 W067 5 to W052 5 4 W052 5 to W037 5 3 W037 5 to W022 5 2 W022 5 to W007 5 1 W007 5 to E007 5 0 E007 5 to E022 5...

Page 65: ...Georgia Islands Dutch Dutch Easter Isld 67 Easter Island 1967 European 1950 European 1950 Austria Belgium Denmark Finland France Ger many Gibraltar Greece Italy Luxembourg Netherlands Norway Portugal...

Page 66: ...Scotland Shetland Isl Wales Pico De Las Nv Canary Islands Potsdam Potsdam Germany Ptcairn Ast 67 Pitcairn Astro 67 Pitcairn Prov S Am 56 Prov So Amricn 56 Bolivia Chile Colombia Ecuador Guyana Peru Ve...

Page 67: ...he estimated time you will reach your destination waypoint based on current speed and track ETA at Dest The estimated time you will reach a GOTO destination or the nal waypoint in a route ETA at Next...

Page 68: ...ection to steer in order to reduce course error or stay on course Provides the most ef cient heading to get back to the desired course and proceed along your route Track The direction of movement rela...

Page 69: ...t is not receivig DGPS data Memory Full Unit memory is full no further data can be saved None Found No data matched the search criteria No Tide Stations for that Area No tide stations within 100 miles...

Page 70: ...rack log and turn track recording on This will only be displayed when the track recording setting is set to Stop When Full Track Truncated A complete uploaded track will not t in memory The oldest tra...

Page 71: ...m this conversion is approximately thirty meters When the unit is placed in the LORAN TD format mode it simulates the operation of a LORAN receiver Position coordinates may be displayed as TDs and all...

Page 72: ...MENU then use the ARROW KEYPAD highlight the Loran TD On then press ENTER MARK 2 To change the settings of any of the ve elds highlight the eld press ENTER MARK select enter the desired setting then p...

Page 73: ...bracket can rotate 360 and tilt more than 45 backward or forward Carrying Case Part No 010 10117 01 Protects the GPSMAP 76 when not in use Power Data Cable Part No 010 10082 00 Wiring harness can be...

Page 74: ...aylight Savings Time 55 Deep Water Alarm 58 Depth 6 DGPS Interface Settings 59 DGPS Status 23 24 Differential Status 23 24 Distance 56 A Accuracy 23 Accuracy Circle 33 Active Route Page 36 45 Active R...

Page 75: ...tup 35 36 Highway Page Options 35 How To Enter Data 14 15 How To Index 6 I IN Key 10 Initialization 18 21 22 Interface Formats 59 Interfacing 59 61 Intersections 44 K Keypad Usage 10 L Land Colors 28...

Page 76: ...st Tide Station 51 Nearest Waypoint List 40 NMEA Output Formats 59 61 O Odometers Trip 31 Off Course Alarm 58 OUT Key 10 Overzoom 26 P PAGE Key 10 Plan Route 49 Pointer Page 11 33 34 Pointer Page Opti...

Page 77: ...ky View Location 23 Serial Data Format 59 61 Serial Number 53 Setup Page Layout 55 Shallow Water Alarm 58 Signal Strength Bars 23 Simulator 18 Simulator Speed 18 Software Version 53 Speci cations 60 S...

Page 78: ...U Units Setting 56 User Datum 57 W Warnings 2 Warranty 77 Wide Area Augmentation System WAAS 54 Water Colors 28 Waypoint Lists 40 Waypoint Options 40 Waypoints Creating 16 Waypoints Deleting 40 Waypo...

Page 79: ...AL RIGHTS WHICH MAY VARY FROM STATE TO STATE IN NO EVENT SHALL GARMIN BE LIABLE FOR ANY INCIDENTAL SPE CIAL INDIRECT OR CONSEQUENTIAL DAMAGES WHETHER RESULTING FROM THE USE MISUSE OR INABILITY TO USE...

Page 80: ...190 00230 00 indd 03 15 01 9 26 AM 78...

Page 81: ...treet Olathe Kansas 66062 U S A GARMIN Europe Ltd Unit 5 The Quadrangle Abbey Park Industrial Estate Romsey SO51 9AQ U K GARMIN Corporation No 68 Jangshu 2nd Road Shijr Taipei County Taiwan www garmin...

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