etrex_ownersmanual

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owners

manual

eTrex

personal navigator


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2000 -2003 Garmin Ltd. or its subsidiaries

Garmin International, Inc.1200 East 151stStreet, Olathe, Kansas 66062 U.S.A.Tel. 913/397.8200Fax 913/397.8282

Garmin (Europe) Ltd.Unit 5, The Quadrangle, Abbey Park Industrial Estate, Romsey, SO51 9DL, U.K.Tel. 44/1794.519944Fax 44/1794.519222

Garmin (Asia) CorporationNo. 68, Jangshu 2ndRoad., Shijr, Taipei County, TaiwanTel. 886/2.2642.9199Fax 886/2.2642.9099

All rights reserved. Except as expressly provided herein, no part of this manualmay be reproduced, copied, transmitted, disseminated, downloaded or stored in

any storage medium, for any purpose without prior written consent of Garmin Ltd.Garmin Ltd. hereby grants permission to download a single copy of this manualonto a hard drive or other electronic storage medium to be viewed for personal use,provided that such electronic or printed copy of this manual contains the completetext of this copyright notice and provided further that any unauthorized commercialdistribution of this manual is strictly prohibited.

Information in this manual is subject to change without notice. GarminLtd. reserves the right to change or improve its products and to make changes inthe content without obligation to notify any person or organization of such changes.Visit the Garmin web site for current updates and supplemental information con-cerning the use and operation of this and other Garmin products.

Web site address: www.garmin.com

Garminand eTrexare registered trademarks of Garmin Ltd. and may not be usedwithout the express permission of Garmin Ltd.

February 2003 Part Number 190-00205-00 Rev. C Printed in Taiwan


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Welcome

To get the most out of your new eTrex, take the timeto read through this Owners Manual to understand theoperating features of the unit. This manual has beendesigned to provide all that you need to know to operateyour eTrex.

eTrex Registration

Help us to better support you by completing

your on-line registration today!

Why should you register your eTrex purchase?

Notification of Product Updates Notification of New Products

Connect to our web site (www.garmin.com)and lookfor the Product Registration link on the home page. Ifyour eTrex contains an 8-digit serial number, it can befound inside the battery compartment.

Thanks for choosing the Garmin eTrex. If you haveany questions or comments regarding the use of the eTrexyou can visit our web site (www.garmin.com) or contactour Customer Service Department:

M-F, 8:00-5:00 CST (except holidays)

at 1-800-800-1020.

On Your Mark. . .

Introduction


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Introduction.............................................................. 1-8Welcome ........................................................................ 1

Warnings and Cautions .................................................. 3FCC Compliance Statement ........................................... 4Features.......................................................................... 5Buttons........................................................................... 6Description..................................................................... 7Accessories..................................................................... 8Installing the Batteries .................................................... 8

Getting Started ....................................................... 9-17Satellite Page Basics ...................................................... 10Map Page Basics ........................................................... 11Navigation Page Basics ................................................. 12Main Menu Page Basics ................................................ 13Creating a Waypoint..................................................... 14Heading in the Right Direction..................................... 16

Cancelling a GOTO...................................................... 17Reference ............................................................... 18-39Map Page Options ........................................................ 18Navigation Page Options .............................................. 19Main Menu .................................................................. 20Mark Waypoint Page .................................................... 20Waypoints Page............................................................ 22

Review Waypoint Page ................................................. 23Routes .......................................................................... 25Tracks........................................................................... 28Setup Menu.................................................................. 31

Appendices ............................................................ 40-51Appendix A: Specifications........................................... 40Appendix B: What is GPS? ........................................... 41

Appendix C: Satellite Reception Tips............................ 42Appendix D: Time Offset Chart .................................... 44Appendix E: Wiring Diagram ....................................... 45Appendix F: Troubleshooting ....................................... 46Appendix G: FAQs ....................................................... 47Appendix H: Index....................................................... 49

Warranty .................................................................... 52

Introduction

Table ofContents


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WARNING: If you choose to use the eTrex in avehicle, it is the sole responsibility of the owner/operator

of the eTrex to secure the GPS unit so that it will not causedamage or personal injury in the event of an accident.Do not mount the eTrex over airbag panels or in a placewhere the driver or passengers are likely to have animpact with it in an accident or collision.

WARNING: If you choose to use the eTrex in avehicle, it is the sole responsibility of the operator of thevehicle to operate the vehicle in a safe manner, maintainfull surveillance of all driving conditions at all times, andnever become distracted by the eTrex to the exclusionof safe operating practices. It is unsafe to operate theeTrex while you are driving. Failure by the operator ofa vehicle equipped with an eTrex to pay full attentionto operating the vehicle and road conditions while the

vehicle is in motion could result in an accident orcollision with property damage and personal injury.

CAUTION:IT IS THE USERS RESPONSIBILITY TOUSE THIS PRODUCT PRUDENTLY. THIS PRODUCT ISINTENDED TO BE USED ONLY AS A TRAVEL AID ANDMUST NOT BE USED FOR ANY PURPOSE REQUIRINGPRECISE MEASUREMENT OF DIRECTION, DISTANCE,

LOCATION, OR TOPOGRAPHY.

CAUTION:The Global Positioning System (GPS) isoperated by the government of the United States, whichis solely responsible for its accuracy and maintenance.The system is subject to changes which could affect theaccuracy and performance of all GPS equipment.

Although the eTrex is a precision electronic NAVigationAID (NAVAID), any NAVAID can be misused or misinter-preted and, therefore, become unsafe.

CAUTION:Electronics are protected if immersed,but the battery compartment may get wet. Make sure thebatteries and compartment are dry before using.

Remove the batteries fromyour eTrex if you dont

expect to use it for several

months. Be sure to

observe the proper

polarity when re-install-

ing batteries. Follow the

battery manufacturers

instructions on the proper

care and handling of thebatteries.

Warnings andCautions

Introduction


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The eTrex complies with Part 15 of the FCC limitsfor Class B digital devices. This equipment generates,

uses, and can radiate radio frequency energy and, if notinstalled or used in accordance with the instructions, maycause harmful interference to radio communications.

There is no guarantee that interference will not occurin a particular instance. If this equipment does causeharmful interference to other equipment, try to correctthe problem by relocating the equipment.

Consult an authorized Garmin dealer or other quali-fied service technician if the problem cannot be corrected.Operation is subject to the following conditions: (1) Thisdevice cannot cause harmful interference, and (2) thisdevice must accept any interference received, includinginterference that may cause undesired

operation.The eTrex does not contain any user-serviceable

parts. Repairs should be made only by an authorizedGarmin service center. Unauthorized repairs can void thewarranty.

Introduction

FCC ComplianceStatement

CaliforniasProposition 65

WARNING:This product, its packaging, and itscomponents contain chemicals known to the State ofCalifornia to cause cancer, birth defects, or reproductiveharm. This Notice is being provided in accordance withCalifornias Proposition 65. If you have any questions orwould like additional information, please refer to our website at www.garmin.com/prop65.


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The eTrex is a six ounce, 12 channel, hand held GPSreceiver. It has a built-in GPS antenna and five user-but-

tons. All buttons are located on the sides of the unit,allowing for simple, one-handed operation that wontobstruct your view of the display. It runs for 22 hours ontwo AA alkaline batteries in battery save mode.

In addition to determining your location, the eTrexcreates, names and saves a location (as an electronicwaypoint) in its memory, allowing you to navigate back to

this point any time you want. And once you start moving,your GPS provides other data, like speed, direction ofmovement, time and distance to destination, and more.

From these basic features, your Garmin GPS canprovide one more critical benefit;peace of mind, because,with GPS you know where you are, where youve been

and where youre going. And since you always know theway back home, you can concentrate on what you set outto do and enjoy the great outdoors.

Other features include:

Waypoints: 500 with name and graphic symbol.

Tracks: Automatic track log; 10 saved trackslet you retrace your path in bothdirections.

Route: Allows you to navigate a course ofup to 50 waypoints in sequence.

Trip Computer: Current speed, average speed,maximum speed, direction of

movement, bearing, elevation, timeof sunrise/sunset, trip timer and tripodometer.

NOTE: You shouldalways be prepared forand capable of navigat-ing without the eTrex. Itis designed to augmentother forms of basicnavigation, not entirely

replace them.

Introduction

eTrex Features


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Operating the eTrex is as simple as pressing a button!

The UP/DOWN Buttons: Select options on pages and menus

Adjust display contrast on Satellite Page

Zoom in and out on Map Page

Cycle through trip data on NavigationPage

The ENTERButton: Confirms data entry or menu selections

Displays options on main pages

Pressing and holding the ENTERbuttonactivates the Mark Waypoint Page

The PAGE Button:

Switches between pages and moves you outof pages. If you start to do something andyou dont want to continue, you can stop bypressing the PAGEButton.

The POWERButton:

Turns the unit on and off

Turns the display backlight on and off

Introduction

eTrex Buttons


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DOWN Button

UP Button

ENTERButton

External Power

andData Connector

InternalGPS Antenna

LCD Display

(with backlight)

POWERButton

PAGE

Button

BatteryCompartment

Waterproof Case

Introduction

eTrexDescription


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Standard Accessories

Lanyard

Attaches to a slot on the bottom of the unit for convenient carrying.

Owners Manual

Quick Start Guide

Optional Accessories

Carrying CaseProtects the eTrex when not in use.

Belt Clip

Allow easy access to the eTrex when clipped to a belt..

Auto Power Adapter

Provides eTrex operation from an automobile cigarette lighter.

PC Data Cable

Allows for transfer of data from a PC to an eTrex.

Data Cable

Wiring harness. Connections for data input/output.

Bicycle Mounting Kit

Allows the eTrex to be mounted on a bicycle handle bar.

PC Cable/Auto Power Adapter

Allows transfer of waypoints and routes from a PC to the eTrex and provides

unit operation from an automobile cigarette lighter.

MapSource

Map Data CD-ROMsAn excellent tool for creating waypoints and routes on your PC using a back-ground map and downloading them to your eTrex. See your Garmin dealer for

MapSource details.

Installing the Batteries

The eTr

ex operates on two AA batteries (not

included), which are installed at the back of the unit. Toinstall the batteries, remove the battery cover byturning the D-ring on the back of the unit 1/4 turncounter-clockwise. Insert the batteries observing properpolarity. Attach the battery cover by turning the D-ring1/4 turn clockwise. Two AA alkaline batteries should lastabout 22 hours in Battery Save mode.

Auto Power Adapter- Converts 12VDCoutput from the lighter to3VDC input to the eTrex.Not interchangeablewith power adapters for

Garmin VHF 720, 725,and 725e, or GPS 170,175, 190, and 195.

PC Interface Cable withAuto Power Adapter

Bicycle Mounting Kit

Introduction

Accessories


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The Getting Started Section introduces you to the basicoperation of the eTrex. The Reference Section shows you how

to use all of the eTrexs remaining features.

The First Step

The eTrex operates on information gathered fromsatellites. To gather this information, take your eTrexoutside and find a large, open area that has a clear view ofthe sky (a nearby park would work fine). Press and holdthe POWERButton to turn the unit on. Youll see theWelcome Page for a few seconds while the eTrex performsa self-test, followed by the Satellite Page.

The eTrex needs to receive at least three strongsatellite signals to find your location. The Satellite Pagedisplays graphic tracking of satellites, the strength of thesatellite signals, and the satellite tracking status.

The Satellite Page

When you see the READY TO NAVIGATE messageon the Satellite Page, the eTrex has found your locationand you are ready to go!

Backlighting and Contrast

If the lighting conditions make it hard for you to seethe screen, you can adjust the contrast or turn on thebacklight. Press and release the POWERButton from anyscreen to turn on the backlight. The backlight is timedto stay on for 30 seconds to save battery power. Toadjust the screen contrast, press the PAGEButton untilyou see the Satellite Page. Press the UPButton to makethe screen darker, press the DOWNButton to make thescreen lighter.

The Welcome Page

GettingStarted

Here We Go. . .

NOTE:When you use the eTrex for the firsttime, it will take up to five minutes to find yourlocation. After the first use, the eTrex needsonly about 15 to 45 seconds to find your loca-tion.


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Selecting a Page

All of the information needed to operate the eTrex is

found on four main pages (or display screens). Thesepages are the Satellite, Map, Pointer, and Menu.

Simply press the PAGEButton to switch betweenpages.

Satellite Page Basics

The Satellite Page shows the eTrex gathering all thenecessary satellite information in order to work. There are

two display options on the Satellite Page, Normal Skyviewand Advanced Skyview. Normal Skyview shows you (inanimation), the satellites, satellite signal strength, and theeTrexs estimated location accuracy.

To activate the Advanced Skyview page, simply pressENTERwhen on the Satellite Page, select AdvancedSkyview and press ENTERagain. This page displays

the numbered satellites the eTrex is using, their proxim-ity to your current position, and their individual signalstrengths. To determine the location of the satellitesbeing used around you, the outer circle of the displayrepresents the horizon and the center represents the skydirectly overhead.

The READY TONAVIGATE messagemust appear before you

can begin using youreTrex to navigate.

Page Basics

GettingStarted

Status Message

Satellites

Location Accuracy(estimated)

Satellite SignalStrength Bars

Map Navigation MenuSatellite

PAGEPAGE PAGEPAGEPAGEPAGE PAGEPAGE

Pressing ENTER on theAdvanced Skyview Pagealso offers the options ofOrienting the Sky Aheador Northward, SetupDisplay (backlighting/contrast), and returningto Normal Skyview.

Normal Skyview Advanced Skyview


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The Map Page showingdifferent symbols andwaypoints.

On the Map Page, theUPand DOWNButtonsare used to adjust themap scale from 200 feetto 800 miles.

Map Page Basics

The Map Page shows where you are (the animatedfigure) and provides a real picture of where you are going.As you travel (the animated figure walks) and leaves atrail (track log). Waypoint names and symbols are alsoshown on the map. We will show you how to record yourlocation by marking a waypoint in the Discovering GPS

Navigation section.

To help you better visualize the real world, the eTrexautomatically rotates the map as you move, so thatwaypoints that are ahead of you are always displayed infront of the animated figure. The North Pointer alwaysshows you where north is.

To make sure you can see your entire trip, you canchange the map scale (from 200 feet to 800 miles!) bypressing and holding the UPButton to view a larger area,and the DOWNButton for viewing a smaller area.

The Map Page

You; YourLocation

North Pointer

Path toDestination

DestinationWaypoint

MapScale

Trail (tracklog)

GettingStarted

Page Basics


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Navigation Page Basics

The Navigation Page helps guide you to a destination.

When youre moving with no particular destination in

mind, the Navigation Page shows you your moving direc-

tion and speed. When youre moving towards a specific

destination, the Navigation Page shows you the name of the

location, the distance and time to go, and displays adirection arrow in the compass ring. To navigate, simply

follow the arrow.

By pressing the UPor DOWNButtons, you can

cycle through other trip computer information such as

average speed, maximum speed, moving direction

(heading), bearing, position coordinates, elevation, time of

sunrise/sunset, trip timer and trip odometer.

The eTrex is not a magneticcompass. You must bemoving in order for it totrack your movement.

On the Navigation Page,the UPand DOWNButtons are used to cyclethrough different tripdata. Compass Ring

Time to reachthe Destination

Straight LineDistance to theDestination

Waypoint (Location) Name

Direction Arrow

(follow this)

Destination Symbol

The Navigation Page

Speed

Moving Direction

Line

NOTE:The direction arrow, destination symboland bearing information only appear on theNavigation Page when you have started aGOTO, a Route or a TracBack.

GettingStarted

Page Basics


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You can choose from 30time zones, plus other.

The Main Menu PageBacklightIndicator

Menu Options

Time and Date

BatteryCapacity

GettingStarted

Page Basics

From the Main MenuPage, the UPand

DOWNButtons areused to cycle throughmenu options and accessadvanced features.

Main Menu Basics

The Main Menu gives you access to the eTrexs moreadvanced features. With the Main Menu you can createand view waypoints, create a route, save and view tracklogs or access the system setup features. Information onall these advanced features is included in the referencesection of this manual.

Changing the Time Zone

Practice using the Main Menu and change the timezone.

To change the time zone:

1. Press the PAGEButton and switch to the MENUPage. Press the UPor DOWNButton and highlightSETUP. Press ENTER. The SETUP Menu appears.

2. Press the UPor DOWNButton and highlight TIMEand pressENTER.

3. Press the UPor DOWNButton and select the TIMEZONE field and press ENTER.

4. Press the UPor DOWNButton, scroll through theselections, and press ENTERwhen you have foundthe correct zone. Press PAGEto get back to thepage of your choice.


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This completes a basic explanation of the pagefeatures of the eTrex.

Discovering GPS Navigation

Discovering how to use your eTrex is as easy as takinga quick walk around an open outdoor area. In this briefexercise, youll mark your current location (your homefor example), travel a short distance away, and then havethe eTrex guide you back to where you started (to get themost out of this exercise, make sure to walk for at leastthe time noted for each step).

Creating a Waypoint

The first step in the exercise is to mark your locationas a waypoint so you can return to it later.

To Mark a Waypoint:

1. Press the PAGEButton and switch to the MENUPage.

2. Press the UPor DOWNButton and highlight theMARK field.

3. Press ENTER. The MARK WAYPOINT Page appearswith OK? highlighted.

Before we actually mark the waypoint, lets change thesymbol to a house and the name 001 to something a little

more meaningful such as HOME.

To change the waypoint symbol:

1. On the MARK WAYPOINT Page, press the UPorDOWNButton to highlight the small flag symboland press ENTER. Using the UPor DOWNButton,scroll through the symbols and highlight the housesymbol. Press ENTER.

NOTE: The eTrex must state READY TONAVIGATE before you mark a waypoint.

Youll find the MARKoption on the MENUPage.

The Elevation and Posi-tion Coordinates aredisplayed at the bottomof the MARKWAYPOINT Page andthe REVIEWWAYPOINT Page.

GettingStarted

Let the FunBegin!


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To change the waypoint name:

1. On the MARK WAYPOINT Page, press the UPor

DOWNButton to highlight the Waypoint Name001.

2. Press ENTER. The EDIT WAYPOINT NAME Pageappears.

3. Press ENTER. Using the UPor DOWNButton, scrollthrough the letter selections. Select H and pressENTER. Repeat this process and finish the wordHOME.

4. Press the UPor DOWNButton to highlight the OKfield and press ENTER. The MARK WAYPOINTPage appears.

5. Press the UPor DOWNButton to highlight theOK field and press ENTER. Your location, namedHOME, is now marked and stored in memory.

Now that youve marked your location, its time to gofor a brisk walk. Press the PAGEButton and switch tothe Map Page.

Walk in a straight line for 3-4 minutes at afast pace and watch the Map Page.

Your location is shown by the figure in the middle ofthe screen. As you move, watch the animated figure walk,and a linecalled a trackappear along the path youhave just covered.

Now take a sharp right turn and walk at abrisk pace for another 3-4 minutes.

You can see your change in direction displayed on theMap .

You can create or edit awaypoint on the EDITLOCATION Page. From

the MARK WAYPOINTPage, highlight the Posi-tion Coordinates fieldand press ENTER. Thenfollow the on-screeninstructions.

The EDIT WAYPOINTNAME Page.

NOTE: As a shortcut, press and hold ENTERtomark a waypoint.

GettingStarted

Edit Waypoints


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Guidance by Garmin

The eTrex guides you to a destination using a GOTO(GOTO means GOing TO a destination in a direct line).Now lets use the GOTO feature and the Navigation Pageto travel back to our starting location.

To Start a GOTO:


2. Press the UPor DOWNButton and highlightWAYPOINTS.

3. Press ENTER. The WAYPOINTS Page appears.

4. Press the UPor DOWNButton and select the tabcontaining HOME and press ENTER.

5. Press the UPor DOWNButton to select HOMEand press ENTER. The REVIEW WAYPOINT Page

appears.

6. Press the UPor DOWNButton to highlight theGOTO, and press ENTER.

The Navigation Page appears and youre now readyfor the eTrex to guide you back to your starting location!

Heading in the Right Direction

The eTrex will guide you back to where you startedusing the Navigation Page. The arrow tells you the direc-tion to the destination. Walk in the direction the arrow ispointing until the arrow points to the top of the compassring. If the arrow points to the right, you need to go to

the right. If the arrow points to the left, go left. When thearrow is pointing straight up, you are on the correct track!

The arrow tells youwhat direction youshould move. When

the arrow is pointingright as shown here,just move right untilthe arrow is pointingstraight up and pointsto the moving directionline (see picture below).

When the arrow pointsstraight up as shown,youre on track!

Follow theArrow

GettingStarted


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The destination name, distance to the destination andtime to reach your destination are displayed at the top

of the screen. The speed you are traveling is shown atthe bottom of the screen. When you are nearing to yourdestination, the eTrex will display the message ARRIV-

ING DESTINATION.

Cancelling A GOTO

Anytime you want to stop a GOTO:1. Press the PAGEButton and switch to the NAVIGA-

TION Page. Press ENTER.

2. Highlight STOP NAVIGATION on the OPTIONSPage and press ENTER.

Clearing a Cluttered Map Display

After youve used the eTrex for a few trips, the mapdisplay will become a bit messy from keeping track ofyour movements. You can clean up the screen by clearingthe track log (the lines left on the Map Page):

To clear the track log:


2. Press the UPor DOWNButton and highlight

TRACKS.

3. Press ENTER. You are now on the TRACK LOG

Page. Use the UPButton and highlight CLEAR.

Press ENTER.

4. Use the DOWNButton and highlight YES. Press

ENTER. Press the PAGEButton to select anypage.

Youve now gone through the basic operation of theeTrex and youre ready to navigate! To turn the eTrex off,press and hold thePOWER Button.

Highlight STOPNAVIGATION and pressENTERon the OptionsPage to stop a GOTO.

GettingStarted

Youve Made It!

Clear the Track Logwhen the Map Pagegets too cluttered.


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Introduction

This section covers the remaining features of the eTrex

that were not covered in the Getting Started section.

Map Page Options

In addition to the basic aspects of the Map Page thatwere covered on page 11, there is a MAP OPTIONSfeature which allows you to customize the Map Page. Thefollowing options are available:

Orient Map Ahead/Northward:When AHEAD is selected, the top of the map is oriented in the direc-

tion you are currently moving. When NORTHWARDis selected, the map is always oriented to the north.

Auto Zoom On/Off:When AUTO ZOOM is turned

on, the map automatically adjusts its scale to displayyour entire navigating route. When its turned off, youmust press the UP or DOWNButtons to select the

appropriate map scale.

Show/Hide Waypoints:Allows you to view the map with or without waypoints.

Show Course Line/Bearing Line: SHOW COURSE LINE displays the path from your starting point to your

destination. SHOW BEARING LINE displays the pathfrom your current location to your destination.

Stop Navigation:STOP NAVIGATION stops anyactive navigation (navigation means there is a destina-tion waypoint, page 16). This option cannot be selected

if there is no active navigation.To select a Map Page option:

1. Press the ENTERButton on the MAP Page.

2. The Map Options Menu appears. Press the UPorDOWNButton and highlight the desired option andpressENTER. Once you pressENTER, the changeis made and the Options Menu disappears.

Selecting Orient MapAhead from the MapPage options orients the

map to the direction youare moving.

When you select OrientMap Northward thefigure icon is replacedby a direction triangle.The tip of the triangletells you the generaldirection you aremoving.

Reference

Map PageOptions


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You will notice on the Map Page the little grey man.The man stands still when you are not moving, he moveswhen you move, and a blinking ? means the eTrex haslost satellite reception (weak signals). You should relocatethe eTrex or move to a place that has a clear view of thesky.

Navigation Page Options

In addition to the Navigation Page basics that werecovered on page 12, the following Navigation Pageoptions are available:

Reset Max Speed: this resets the Maximum Speedachieved during a trip.

Reset Trip: the trip time, trip distance (odometer) and

average speed are reset to zeros.

Stop Navigation: stops any active navigation.

To select a Navigation Page option:

1. Press the ENTERButton on the NAVIGATIONPage.

2. The Options Menu appears. Press the UPor DOWNButton, highlight the desired option, and pressENTER. Once you press ENTER, the change ismade and the Options Menu disappears.

You can also change the fields at the bottom of theNavigation Page to display different data:

Speedlike the speedometer in your car, SPEED tellsyou how fast you are going regardless of whether or notyou are on the right track.

Average Speedthe average speed traveled since last tripreset.

Max Speedthe maximum speed traveled since last reset.

Headingthe direction you are traveling.

The Navigation Page

allows you to displayeleven types of differentdata, such as Eleva-tion.

The eTrex will tell youthe time of sunriseand sunset at yourcurrent location.

Reference

Navigation PageOptions


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Bearingthe compass direction from your location to adestination.

Elevationthe measurement of height above mean sealevel.

Locationshows your current position coordinates.

Sunrisethe time of sunrise at your present location.

Sunsetthe time of sunset at your present location.

Trip Timethe total time you have traveled since thelast trip reset.

Trip Odometerlike the odometer in your car, TRIPODOMETER tells you how far youve gone since the lasttrip reset.

To change a data field:

1. On the POINTER Page, press the UPor DOWNButton and scroll through the available options,stopping on the data you want the eTrex to display.

Main Menu Selections

The Main Menu turns the eTrex into a powerful

navigation tool. From the Main Menu you can custom-

ize the display, transfer information from a computer to

the eTrex and back again, and manage and organize all

of your waypoints. Now take a look at each of the Main

Menu selections.

Mark Waypoint Page

The MARK WAYPOINT Page allows you to changethe waypoint symbol, name, elevation and location(latitude and longitude). The information on page 14-15explains how to change the waypoint symbol and name.

The MAIN MENUPage allows you to

customize the eTrexsfeatures.

Reference

Main MenuSelections

Remember that pressingand holding the ENTERButton displays yourlocation on the MARKWAYPOINT Page.


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To change the location (position coordinates):

1. Press the PAGEButton and switch to the MENU

Page. Press the UPor DOWNButton and highlightMARK. Press ENTER. The MARK WAYPOINTPage appears.

2. Press the UPor DOWNButton and highlight thePOSITION COORDINATES field and pressENTER.The EDIT LOCATION Page appears.

3. Scroll through the position places using the UPandDOWNButton (UPButton to move right to left,DOWNButton to move left to right). When youreach the position place you want to change, stopand press ENTER. Using the UPor DOWNButton,scroll through the choices and highlight the oneyou want. Press ENTER. The position place is nowchanged.

4. Press the UPor DOWNButton to highlight the OK

field and press ENTER. The MARK WAYPOINTPage appears.

5. Press the UPor DOWNButton to highlight the OKfield and press ENTER. Your location with the newposition coordinates are now stored in memory.

To change the elevation:


Page. Press the UPor DOWNButton and highlightMARK. Press ENTER. The MARK WAYPOINTPage appears.

2. Press the UPor DOWNButton and highlightthe ELEV field and press ENTER. The ENTERCORRECT ELEVATION Page appears.

3. Use the UPor DOWNButton to highlight the

desired digit and press ENTER. A selection windowappears. Press the UPor DOWNButton to selecta new number and press ENTER. Repeat until allnumbers are changed.

4. Press the UPor DOWNButton to highlight the OKfield and press ENTER. The MARK WAYPOINTPage appears with the correct elevation displayed.

The EDIT LOCATIONPage displays on-screeninstructions on how

to edit the waypointlocation.

The ENTER CORRECTELEVATION Pageallows you to changethe elevation for thewaypoint.

Reference

Mark WaypointPage


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Waypoints Page

The Waypoints Page organizes all of your waypointsin alphabetical order for easy selection. It also allowsyou to select nine of the NEAREST WAYPOINTS for aseparate list, and if you want, delete all waypoints.

To select a waypoint:

1. Press the PAGEButton and switch to the MENUPage. Press the UPor DOWNButton and highlight

WAYPOINTS. Press ENTER. The WAYPOINTSPage appears.

2. Press the UPor DOWNButton and highlight thealphabetical tab containing the desired waypoint.Press ENTER. Press the UPor DOWNButton toselect the desired waypoint. Press ENTER. TheREVIEW WAYPOINT Page appears.

To view the NEAREST waypoints page:1. On the WAYPOINTS Page, press the UPor DOWN

Button and highlight NEAREST. Press theENTERButton. The NEAREST WAYPOINTS Page appears.

The nine closest waypoints within 250 miles appearin a list showing their name and the distance fromyour location. You can select a waypoint from thislist by pressing the UPor DOWNButton and select-ing the desired waypoint. Once selected, pressENTER. The REVIEW WAYPOINT appears allowingyou to edit the waypoint if you desire.

To delete all waypoints:

1. On the WAYPOINT Page, press the UPor DOWNButton and highlight DELETE ALL. Press theENTERButton. A confirmation message boxappears asking if you really want to delete allwaypoints. If you do, press the UPor DOWNButton and highlight YES. Press ENTER.

If you change your mind and do not want to deletethe waypoint, press the UPor DOWNButton andhighlight NO. Press ENTER(or press the PAGEButton). The confirmation message box disappears

and all of the waypoints remain in memory.

The nine closestwaypoints appear in alist showing their name

and the distance fromyour location (fourshown here).

MAKE SURE you wantto delete all of thewaypoints before youpress ENTER!

Reference

WaypointsPage


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The REVIEWWAYPOINT Page

allows you to deletea waypoint.

You can start a GOTOfrom the REVIEWWAYPOINT Page.

Review Waypoint Page

The Review Waypoint Page allows you to change thewaypoint symbol, name, elevation and location (just likeon the Mark Waypoint Page). You can also delete thewaypoint, display the waypoint on the Map Page, andstart a GOTO.

To delete a waypoint:

1. On the REVIEW WAYPOINT Page, press the UPor DOWNButton and highlight DELETE. PresstheENTERButton. A confirmation message boxappears asking if you really want to delete thewaypoint. If you do, press the UPor DOWNButton, highlight YES and press ENTER.

If you change your mind and do not want to deletethe waypoint, press the UPor DOWNButton,

highlight NO and press ENTER. The confirmationmessage box disappears and the waypoint remainsin memory (you can also press the PAGEButtonto exit).

To start a GOTO:

1. On the REVIEW WAYPOINT Page, press the UPor DOWNButton and highlight GOTO. Press the

ENTERButton. The GOTO is activated with theselected waypoint as the destination.

To view the selected waypoint on the MapPage:

1. On the REVIEW WAYPOINT Page, press the UPor DOWNButton and highlight MAP. Press theENTERButton. The selected waypoint is displayed

on a map with bearing and distance. You can usethe UP orDOWN Buttons to zoom in and out onthe map. Press the PAGEButton and switch back tothe WAYPOINTS Page.

Reference

ReviewWaypoint Page


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Using the Project feature can create a waypoint at aspecified distance and bearing using a new or existing

waypoint as a reference. This works best when using a mapand compass to determine distance and bearing. You canalso change the name, symbol and elevation on this page.

Projecting a waypoint:

1. To project a waypoint from a waypoint on thewaypoint list (in order to insert a new waypointin a route, for example), select the route waypoint

from the list on the WAYPOINTS Page and pressENTER. The REVIEW WAYPOINT Page displays.

To project a waypoint from your current location(i.e., in order to travel to a location sighted in thedistance), press and hold the OKButton to markyour location and save it as a waypoint. Then, selectit from the waypoints list, and press ENTER todisplay the REVIEW WAYPOINT Page.

2. Using the UPor DOWNButton, highlight thePROJECT field and press ENTER. The PROJECTWAYPOINT Page displays and a numeric name isassigned to the new waypoint.

3. The distance field is highlighted by default. PressENTERto display the EDIT NUMBER Page.

4. On the EDIT NUMBER Page, pressing the DOWNButton moves the highlight to the next number

in the field. With the desired digit selected, pressENTERto activate the drop-down number list.

5. Using the UPor DOWNButton, select the correctnumber and press ENTER. When all numbers areentered correctly, highlight OK and press ENTER.

6. Using the DOWNButton, highlight the bearing fieldand press ENTERto display the EDIT ANGLE Page.

7. On the EDIT ANGLE Page, pressing the DOWN

Button moves the highlight to the next numberin the field. With the desired digit selected, pressENTERto activate the drop-down number list.

8. Using the UPor DOWNButton, select the correctnumber and press ENTER. When all numbers areentered correctly, highlight OK and press ENTER.

9. Highlight GOTO and press ENTERto save thewaypoint and begin direct navigation to the point.

Reference

ReviewWaypoint Page

The PROJECT

WAYPOINT Page

The EDIT NUMBERPage


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Reference

Routes

The ROUTE feature isfound on the MENU

Page.

You can use existingwaypoints to build theroute.

Route and Route Page

The eTrex allows you to navigate using one of threemethods:

GOTO Route TracBack

The GOTO method of navigation was brieflydiscussed on page 16.

The Route feature and the GOTO feature arecomparable in that they both guide you to destinationwaypoints. However, the route feature is more power-ful because it is more automatic. When you reach onewaypoint, the eTrex automatically guides you to the nextwaypoint on the route without needing to touch any but-

tons. When you use the GOTO feature you have to stopand select the next waypoint before you start moving.When you plan a trip, you can select waypoints from awaypoint list and put them into the eTrexs memory. Atleast Two waypoints (up to a maximum of 50) are linkedtogether to form a route.

In the eTrex, a route is at least two waypoints thatdescribe the path you are going to travel. The Routefeature is very convenient because it allows the eTrex toguide you from the first waypoint in the route, to eachsuccessive waypoint until you reach your final destina-tion.

When you start your trip, you activate the routefeature and the eTrex points the way you should travel toget from the first waypoint to the second. You can thenuse the Navigation page to give you steering guidance.

TracBack, is discussed on page 28.


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There are two ways to create a route:

1. Use existing waypoints that reside in the eTrex.

Choose ROUTE on the MENU Page, then adda waypoint into the route from a list of availablewaypoints.

2. Plan a ROUTE in MapSourceon a PC, and useSave To Device to download the ROUTE to theeTrex. See your Garmin dealer for more informationon using MapSource (MapSource is an optionalaccessory, and is not included with the eTrex).

In either case, you can navigate to a destination usingROUTE if a route has more than two waypoints. A singlewaypoint route is only a normal waypoint, not a route.The eTrex will not allow the FOLLOW button to behighlighted if there is only one waypoint in the route.When you select the FOLLOW button, a list with two

items is displayed letting you choose where to go. The listwill always show the FIRST (BEGINNING) and the LAST(END) waypoint in the route. The eTrex will guide you tothe selected final destination following each waypoint inthe route (the eTrex has one route).

To create a route from the waypoints list:

1. Press the PAGEButton and switch to the MENUPage. Press the UPor DOWNButton and highlightROUTE. Press ENTER. The ROUTE Page appears.PressENTER. The ADD WAYPOINT TO ROUTEPage appears.

2. Press the UPor DOWNButton to select thewaypoint of your choice and press ENTER. Thewaypoint you selected is placed in the first field on

the ROUTE Page. Repeat this process until all ofthe waypoints you want are entered into the routelist. Press PAGEto get back to the page of yourchoice.

There are two ways to insert a waypoint into an exist-ing route. One way is to insert the waypoint before anexisting waypoint in a route. The other way is to insert

the waypoint at the end of the waypoint list in a route.

You can insert awaypoint before anexisting waypoint in thelist or at the end of thewaypoint list.

Press FOLLOW toactivate a route.

Reference

Routes


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Reference

RoutesTo insert a waypoint into an existing route:1. From the Route page, press the UPor DOWN

Button to select the entry point for the new way-point. Stop at the waypoint on the route list thatyou want to follow the new waypoint or use thelast open slot if you want the new point at the endof the route. Press ENTER. The ADD WAYPOINT TOROUTE Page appears.

2. Press the UPor DOWNButton to select thewaypoint of your choice and press ENTER. The

waypoint you selected is placed in the desired fieldon the ROUTE Page.

To activate a route:

1. Press the PAGEButton and switch to the MENUPage. Press the UPor DOWNButton and highlightROUTE. Press ENTER. The ROUTE Page appears.

2. Press the UPor DOWNButton and highlight

FOLLOW and pressENTER. The choices are thefirst (beginning) waypoint and the last (end)waypoint.

3. Press the UPor DOWNButton and select thedesired waypoint and press ENTER. The Naviga-tion Page appears giving you steering guidance tothe destination waypoint.

To remove a waypoint from the ROUTE list:1. Press the PAGEButton and switch to the MENU

Page. Press the UPor DOWNButton and highlightROUTE. Press ENTER. The ROUTE Page appears.Press the UPor DOWNButton and highlightthe waypoint you want to remove. The INSERT/REMOVE window appears. Press the UPor DOWNButton and highlight REMOVE. Press ENTER.

To clear all route waypoints:

1. Press the PAGEButton and switch to the MENUPage. Press the UPor DOWNButton and highlightROUTE. Press ENTER. The ROUTE Page appears.

2. Highlight CLEAR ALL and pressENTER. The con-firmation window appears asking you if you reallywant to clear all of the route waypoints. If you do,

select YESand press ENTER.

The eTrex draws anelectronic breadcrumbtrail as you travel.

The message ARRIVINGDESTINATION isdisplayed on every pagewhen you are 15 secondsfrom reaching thedestination.


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What is a Track Log?

The eTrex draws an electronic breadcrumb trail ortrack log on the Map Page as you travel. The track logstarts recording as soon as the eTrex gets a location fix. Ifyou want to keep a record of a certain track log before thetrack memory is filled and it begins to overwrite the earli-est tracks, you can save it to the Saved Tracks list. Youcan save a total of ten tracks in the eTrex. Saved trackscan be used for navigation later. After a track log is saved,

the saved track will have a beginning (BEGIN) and ending(END) point. This simply shows the when/where of thestarting and ending points of the saved track.

When you are ready to return to where you started,the eTrex will take you back by following the track logthat you left behind. TracBack allows you to return alonga traveled path without marking any waypoints. If youwant to keep a record of a certain track log or use theTracBack feature, it is recommended that you clear thetrack log before you start traveling. The percentage ofmemory used by the current track log is displayed atthe top of the page. After the track log is CLEARED, itwill show zero percent. When the display shows 99%,the most recent track points will start overwriting the

least recent track points. Thus, in order to avoid losingany track points, you should save the track log before itreaches 99% of memory usage.

Clearing the current track log:

1. With the MENU Page displayed, press the UPandDOWNButtons to highlight TRACKS and press

ENTER. The TRACK LOG Page will appear.2. Highlight the CLEAR Button and press ENTER.

3. You will be asked DO YOU REALLY WANT TOCLEAR THE TRACK LOG?. Use the DOWNButton tohighlight YES and press ENTERto clear the currenttrack log.

Reference

Track Logs

You need to save thetrack log first before you

can use the TracBackfeature.

CLEAR the track logbefore starting a newtrip.


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Reference

Track LogsTo save a track for navigation later:1. Press the PAGEButton and switch to the MENU

Page. Press the UPor DOWNButton and highlightTRACKS. Press ENTER. The TRACK LOG Pageappears.

2. Press the UPor DOWNButton and highlight SAVEand pressENTER. The SAVE BACK THROUGHwindow appears giving you a time frame for savinga track or ENTIRE LOG. Press the UPor DOWNButton and select the desired option. Press ENTER.

The saved track appears graphically on a sub page.Press the UPor DOWNButton and select OK.Press ENTER.

3. The track is now saved and appears in the SAVEDTRACKS list on the TRACK LOG Page.

NOTE: Saving a Track Log does not remove

those points from the active memory.

Renaming a saved track log:

1. With the MENU Page displayed, highlightTRACKS and press ENTER. The TRACK LOG Pagewill appear.

2. Place the highlight on a saved track and pressENTER. The saved track will be displayed on amap.

3. A default name will be displayed at the top of themap. Using the UPor DOWNButton, highlight thename and press ENTER. The EDIT TRACK NAMEPage will be displayed.

4. With the EDIT TRACK NAME Page displayed,

pressing the DOWNButton will move the highlightto the next place in the name field. When thedesired place is selected, press ENTERto activatethe drop-down alphanumeric list.

5. Using the UPor DOWNButton, select the correctcharacter and press ENTER. When the namehas been entered correctly, highlight OK and pressENTER.

You can save a trackfrom a specific time orsave the entire track

log.

The EDIT TRACKNAME Page.


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To delete all tracks:

1. On the TRACK LOG Page, press the UPor DOWN

Button and highlight DELETE ALL. Press ENTER.The verification window appears.

2. If you really want to delete all saved tracks, pressthe UPor DOWNButton and highlight YES. PressENTER. If you change your mind, press the UPorDOWNButton and select NO. Press ENTER. Thetracks remain in memory (or press PAGEto exit).

To delete a saved track:1. On the TRACK LOG Page, press the UPor DOWN

Button and highlight the saved track that youwant to delete from the SAVED TRACKS list. PressENTER. The saved track appears graphically.

2. Press the UPor DOWNButton and highlightDELETE. PressENTER. A confirmation windowappears asking you if you really want to deletethe saved track. If you do, press the UPor DOWNButton and highlight YES. PressENTER. If youchange your mind, press the UPor DOWNButtonand select NO. Press ENTER(or you can press

PAGEto exit). The tracks remain in memory.

To start TracBack Navigation:

1. On the TRACK LOG Page, press the UPor DOWNButton and highlight the saved track from theSAVED TRACKS that you want to travel. PressENTER. The track graphically appears.

2. Press the UPor DOWNButton and highlightTRACBACK. PressENTER. The direction windowappears asking you if you want the destination tobe at the beginning of the track or the end of the

track (see sidebar). Press the UPor DOWNButtonand select the desired destination point. The NAVI-GATION Page guides you to your destination.

You may not remember the original direction of thesaved track, but by using BEGIN or END, you canalways select where you want to TracBack to withoutremembering the directions of the saved track.

The BEGIN point isthe point defining the

starting point whensaving a track log.END is the last pointthat was saved. Eachsaved track will alwayshave a BEGIN andEND point fornavigation. The

BEGIN-END pairimply the direction ofthe saved track. If youwant to retrace thetrack, navigate toEND. If you wantto track back to thestarting point, navigateto BEGIN.

Reference

Track Logs


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Setup Menu

The Setup Menu allows you to customize the eTrex.From the Setup Menu you can change coordinatesystems, map datums, and distance units. You can alsochange the time format, north reference, operating mode,display contrast, and display back light timeout.

Time Page

The Time Page allows you to select a 12 hour or 24hour time format, enter the proper time zone, and chooseDaylight Savings Time. When you select 12 hour timeformatting, the clock will read like a standard clock with12 hour AM and 12 hour PM cycles. The 24 hour optionsets the eTrex to display a 24 hour cycle (Military Time).

To change the time format:

1. Press the PAGEButton and switch to the MENUPage. Press the UPor DOWNButton and highlightSETUP. Press ENTER. The SETUP Page appears.

2. Press the UPor DOWNButton and highlight TIMEand press ENTER.

3. Press the UPor DOWNButton and select the TIMEFORMAT field and press ENTER.

4. Press the UPor DOWNButton, select 12 or 24hours and press ENTER. Press PAGEto get back tothe page of your choice.

The SETUP Menu

Reference

Setup Menu

Choose a 12 hour or 24hour time setting.


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Time Zone

The time zone can be set to any one of thirtypre-programmed zones or by entering the UTC TimeOffset value in the UTC offset field below the time zonefield. When you select the 24 hour time format, the letterslcl (local) appear next to the time. You can find timeoffset values for your longitude by following instructionsand the Time Offset Chart (Appendix D). To change thetime zone, follow the steps given on page 13.

UTC Offset

When you select OTHER for the time zone, you canaccess the UTC Offset field and make a change to matchthe time zone you selected. Other than that, you cantchange it. (Refer to the UTC Offset Chart on page 44.)

Daylight Savings Time

Daylight savings time can be set to Automatic (usingthe built-in almanac to automatically change the clocksettings when daylight savings goes into or out of effect).You can choose Yes to manually add daylight savings orNo to remain on standard time.

To change the Daylight Savings Field:1. Press the PAGEButton and switch to the MENU

Page. Press the UPor DOWNButton and highlightSETUP. Press ENTER. The SETUP Page appears.

2. Press the UPor DOWNButton and highlight TIMEand press ENTER.

3. Press the UPor DOWNButton and select the

DAYLIGHT SAVINGS field and press ENTER.4. Press the UPor DOWNButton, select AUTO, YES,

or NO and press ENTER. Press PAGEto get backto the page of your choice.

NOTE:Daylight Savings time settings will notaffect the UTC offset number.

UTC stands forCoordinated UniversalTime and replacedGreenwich Mean Time(GMT) as the Worldstandard for time in1986. It is based onatomic measurementsrather than the earth'srotation.

Reference

Setup Menu

The Daylight Savingstime options.


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Display Page

The Display Page allows you to set the displaybacklight timeout (On all the time, 15 or 30 seconds, and1 or 2 minutes) and the display contrast.

To change the Light Timeout:


2. Press the UPor DOWNButton and highlightDISPLAY and pressENTER. Press ENTERon theLIGHT TIMEOUT field.

3. Press the UPor DOWNButton and highlight yourselection and press ENTER. Press PAGEto get back

to the SETUP page.

To adjust the display contrast:


2. Press the UPor DOWNButton and highlightDISPLAY and pressENTER. Press the UPorDOWNButton and highlight the CONTRAST sliderbar and pressENTER.

3. Press the UPor DOWNButton to move the sliderto adjust the contrast, then press ENTER. Press

PAGEto get back to the SETUP page.

Units Page

Using your eTrex with a paper map increases thenavigation power of both. If you are going to use a map inconjunction with the eTrex, you must select the positionformat (grid), map datum, map units, and north referenceto match the maps units. This is the purpose of theUnits Page. Regarding position format, the eTrex allowsyou to choose from eighteen different grids. The eTrexsupports the UTM/UPS and latitude/longitude gridsbecause together they cover the world.

You can set the backlightto stay On all the time,

but watch your batterypower!

The UNITS Pageallows you match theunits of the eTrex to theunits of a unique papermap you may be using.

Reference

Display andUnits Pages


36/56


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To change the Map Datum:


Page. Press the UPor DOWNButton and highlightSETUP. Press ENTER. Use the UPor DOWNButtons to select UNITS. Press ENTER. The UNITSPage appears.

2. Press the UPor DOWNButton and select the MAPDATUMS field. Press ENTER.

3. Press the UPor DOWNButton to select the desireddatum. Press ENTER. Press PAGEto select the page

of your choice.

Units of Measure

The eTrex lets you select statute (the default setting),nautical, or metric units of measure for all speed anddistance readouts.

To change the Units of Measure:

1. Press the PAGEButton and switch to the MENUPage. Use the UPand DOWNButton and highlightthe SETUP field. Press ENTER. The SETUP Pageappears.

2. Press the UPor DOWNButton to select UNITS.Press ENTER. The UNITS Page appears.

3. Press the UPor DOWNButton and select theUNITS field. Press ENTER.

4. Press the UPor DOWNButton to select the desiredunit. Press ENTER. Press PAGEto select the pageof your choice.

You can select statute,nautical, or metric unitsof measurement fromthe UNITS page.

The DEFAULTSsetting will reset theeTrex units to all of itsfactory settings.

Reference

Units ofMeasure


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North Reference

Reference refers to the orientation of a maps grid.Map makers try to align the vertical lines on a map withTrue North. True North is the direction from anylocation on the earths surface to the north pole. Mapsare typically referenced to true north. Because a compasspoints to magnetic north, not true north, maps indicatethe difference between true and magnetic north withsomething called declination. The amount of declination

changes as you move around the earth. Magnetic Northis the direction in which a compass needle points. TheeTrex bearings will correspond to a compass if the eTrexis set to magnetic north. Due to errors introduced whenmap makers flatten the earths sphere onto paper, not allof the grid lines drawn on the map point exactly to thenorth pole, so the north indicated by the grid lines is

calledGrid North. But, the difference is usually smallenough that Grid north can be considered the same asTrue North for travelling on land. If necessary, you cancorrect for the difference between Grid North and TrueNorth manually.

To change the North Reference:


2. Press the UPor DOWNButton to select UNITS.Press ENTER. The UNITS Page appears.

3. Press the UPor DOWNButton and select theNORTH REF field. Press ENTER.

4. Press the UPor DOWNButton to select the desiredreference. Press ENTER. Press PAGEto return to thepage of your choice.

When you select the DEFAULTS field and pressENTER, the UNITS page returns to the factory settings.

MAGNETIC north isthe default north

reference setting.

Reference

Units ofMeasure


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Interface Page

The Interface Page allows you to connect and usedevices such as computers and differential GPS (DGPS)beacon receivers with the eTrex.

Input/Output Settings

The Interface Settings Page allows you to use youreTrex with external NMEA devices, DGPS beacon receiv-ers, a personal computer, etc. You can choose from sevendifferent input/output serial data formats, or none at all.Below is a description of each format:

Garmin- the proprietary format used to exchange way-point, route, and track data with a PC.

Garmin DGPS- allows DGPS input using a Garminbeacon receiver and a standard RTCM SC-104 format

and DGPS tuning.

NMEA OUT- supports the output of standard NMEA0183 version 3.0 data.

TEXT OUT- allows simple ASCII text output oflocation and velocity information, without any inputcapabilities.

RTCM IN- allows DGPS input using a standard RTCMSC-104 format without any output capabilities.

RTCM/NMEA- allows DGPS input using a standardRTCM SC-104 format and supports the output ofstandard NMEA 0183 version 3.0 data.

RTCM/TEXT- allows DGPS input using a standardRTCM SC-104 format and simple ASCII text output of

location and velocity information.

NONE- provides no interfacing capabilities.

The interface options

will allow you to usea PC to downloadwaypoints, routes,and track logs.

NMEAstands for

National Marine

Electronics Association

and RTCMstands for

Radio Technical

Commission for MaritimeServices. Both are

involved in developing

technical standards for

the marine electronics

industry.NOTE: Use the RTCM IN setting if yourbeacon receiver is self-tuning.

Reference

Interface Page


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If Garmin DGPS or RTCM/NMEA format is selected,additional fields are provided to control a Garmin

differential beacon receiver (e.g. GBR 21) directly fromyour eTrex. You can enter the beacon frequency and bitrate when you select User from the Beacon pop-up listto manually tune the receiver (you can also scan if youdont know what the nearby station is, but the unit couldcontinue scanning if reception is temporarily lost).

To select an I/O Format:


2. Press the UPor DOWNButton and select theINTERFACE field. Press ENTER. The INTERFACEPage appears.

3. Press ENTERon the I/O FORMAT field. Press theUPor DOWNButton to select the desired format.Press ENTER. Press PAGEto return to the page ofyour choice.

System Page

The System Page shows you the eTrexs current

software version and allows you to choose from threemodes of operation:

Normal

Battery Save

Demo (Demonstration)

Normal Mode

The GPS receiver is turned on all the time when its inNORMAL mode. The normal mode is more sensitive tosudden turns or change of speed/acceleration.

The SYSTEM Page

shows you the software

version, allowing you to

update from Garmins

web site.

A BATTERY LOWmessage appears at the

bottom of every page

when there are

approximately ten

minutes of battery life

left (when using alkaline

batteries).

Reference

System Page


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Battery Save

When the eTrex is in BATTERY SAVE mode, the GPSreceiver is turned on and off alternatively to conservepower.

To select battery save mode:

1. Press the PAGEButton and switch to the MENUPage. Use the UPand DOWNButton and highlightthe SETUP field. Press ENTER. The SETUP Page

appears.2. Press the UPor DOWNButton and select the

SYSTEM field. Press ENTER. The SYSTEM Pageappears.

3. Press ENTERon the MODE field. Press the UPor DOWNButton to select BATTERY SAVE. PressENTER. Press PAGEto return to the page of your

choice.

Demo Mode

The DEMO mode is designed for dealers to showthe features and functions of the eTrex to potentialcustomers inside a closed building where satellitereception is not possible. There is no navigation possible

in DEMO mode.If you select the DEMO mode, a window appears

at the bottom of the screen asking you to verify that youwant to turn the GPS off (the units GPS receiver will turnoff and stop tracking satellites, but the unit itself will notpower off). To do so, press ENTER.

Congratulations!You now know all there is to know aboutthe Garmin eTrex. The DEMO mode is

designed for Garmin

dealers.

Reference

Battery Save

The eTrexs batteries will

last up to 22 hours in

BATTERY SAVE mode

(when using alkalinebatteries).

Demo Mode


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Physical

Case: Fully-gasketed, high-impact plastic alloy, waterproof to IPX7standards (waterproof to 1 meter for 30 minutes)

Size: 4.4H x 2W x 1.2D

Weight: Approx. 5.3 ounces (150g) w/batteries

Temperature Range: 5 to 158F (-15 to 70C)3(operating)

PerformanceReceiver: Differential-ready, 12 parallel channel

Acquisition time: Approx. 15 seconds (warm start)Approx. 45 seconds (cold start)Approx. 5 minutes (First Time/AutoLocate)

Update Rate: 1/second, continuous

Position Accuracy: 1-5 meters (3-15 ft) with DGPS corrections1

15 meters (49 ft) RMS2

Velocity Accuracy: 0.1 knot RMS steady state

Dynamics: Performs to specifications to 6 gs

Interfaces: NMEA 0183 (versions 2.00-2.30), RTCM 104 (for DGPS cor-rections) and RS-232 for PC interface

Antenna: Built-In

Power

Input: Two 1.5-volt AA batteries3

Battery Life: Up to 22 hours in Battery Save mode (with alkaline batteries)4

Specifications subject to change without notice.

1With optional Garmin Differential Beacon Receiver Input (such as Garmin GBR 21).

2Subject to accuracy degradation to 100m 2DRMS under the U.S. DOD-imposed Selective Availabilityprogram.

3The temperature rating for the eTrex may exceed the usable range of some batteries. Alkaline batteries can rupture at high temperatures. External power can only be applied using the Garmin AutoPower Adapter or PC Interface Cable with Auto Power Adapter (This cable contains a voltage regulator). Modifications or other applications will void the product warranty.

4Alkaline batteries lose a significant amount of their capacity as temperature decreases. Use lithiumbatteries when operating the eTrex in below-freezing conditions. Extensive use of screen backlightingwill significantly reduce battery life.

Appendices

Appendix ASpecifications


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GPS - the Global Positioning System- is anavigation revolution. Its a technology that pinpoints a

users location anywhere in the world, 24 hours a day,regardless of the weather.

Designed by the United States Department of Defensefor use by the military, the GPS System was madeavailable to civilians for use in aviation, marine surveyingand general outdoor/recreation markets. Today, millions

of people utilize the accuracy and convenience of thisamazing technology to hunt, fish, hike, fly, cruise and sail.GPS consists of a constellation of 24 satellites orbitingsome 12,000 miles above the earth.

These satellites transmit signals containing time andorbital data to calculate satellite position and almanac

data. Meanwhile, receivers used on the ground, sea andair search the sky for the satellites. The GPS unit needsto acquire good signals from at least three satellites todetermine a position on the surface of the earth. A fourthsignal is required to get three-dimensional positioningwhich determines elevation or altitude.

Appendices

Appendix BWhat is GPS?


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Satellite Reception Tips

The basic steps in getting the eTrex ready to navigatewas covered on page 9. If the eTrex has problems withreceiving satellite signals, you will be prompted to answersome questions. Please follow the steps that best describesyour situation:

A. You are trying to use the eTrex indoors:

1. The message TROUBLE TRACKING SATELLITES. AREYOU INDOORS NOW? will appear. Press the UPorDOWNButton to highlight YES. Press ENTER. Themessage will disappear.

OR:

2. Go outside. The eTrex will keep tracking.

B. You are not indoors and you have notmoved hundreds of miles/km since youlast used your eTrex:

1. The message TROUBLE TRACKING SATELLITES. AREYOU INDOORS NOW? will appear. Press the UPorDOWNButton to highlight NO. Press ENTER.

2. eTrex then asks: HAVE YOU MOVED HUNDREDSOF MILES/KM SINCE LAST USE? Press the UPor

DOWNButton to highlight NO. Press ENTER.3. eTrex asks: IS TODAY dd-mmm-yy? If you answer

YES (the date matches the current date) the eTrexwill continue tracking satellites and switch to theSatellite Page.

4. If you answer NO (the date is incorrect), the eTrexwill do an AUTOLOCATE and switch to the satellitepage. An AUTOLOCATE forces the eTrexto search for any available satellite(s) todetermine its (your) location.

Clouds and weather donot affect the operationof the eTrex!

Appendices

Appendix CReception Tips


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C. You are not indoors, but you have movedhundreds of miles/km since you last used

your eTrex:1. The message TROUBLE TRACKING SATELLITES. ARE

YOU INDOORS NOW? will appear. Press the UPorDOWNButton to highlight NO. Press ENTER.

2. eTrex then asks: HAVE YOU MOVED HUNDREDSOF MILES/KM SINCE LAST USE? Press the UPorDOWNButton to highlight YES. Press ENTER.

3. eTrex will do an AUTOLOCATE and switch tothe Satellite Page. This option is useful if youverelocated a distance greater than 500 miles fromthe last location the eTrex was used.

The eTrex has a 12 parallelchannel receiver for fast,accurate position fixes, evenunder heavy foliage and treecanopy.

Appendices

Appendix CReception Tips


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The table below gives approximate UTC time offsetfor various longitudinal zones. If you are in daylight

savings time, add one hour to the offset.

tesffOenoZlanidutignoL

1+5.220Eot5.700E

2+5.730Eot5.220E

3+5.250Eot5.730E

4+5.760Eot5.250E

5+5.280Eot5.760E

6+5.790Eot5.280E

7+5.211Eot5.790E

8+5.721Eot5.211E

9+5.241Eot5.721E

01+5.751Eot5.241E

11+5.271Eot5.751E

21+0.081Eot5.271E

A simple way to determine your local time offset is how many hours you are behindor ahead of UTC (also called Greenwich or zulu time) Example: EST (Eastern StandardTime) is 5 hours behind UTC, so your offset would be -5. Adding one hour for daylightsavings would make EDT (Eastern Daylight Time) -4. Subtract an hour for each timezone as you travel west.

Offsets for Continental U.S. would be: EST: -5 EDT: -4 CST: -6 CDT: -5 MST: -7 MDT: -6 PST: -8 PDT: -7

Appendices

Appendix DTime Offset

tesffOenoZlanidutignoL

21-5.271Wot0.081W

11-5.751Wot5.271W

01-5.241Wot5.751W

9-5.721Wot5.241W

8-5.211Wot5.721W

7-5.790Wot5.211W

6-5.280Wot5.790W

5-5.760Wot5.280W

4-5.250Wot5.760W

3-5.730Wot5.250W

2-5.220Wot5.730W

1-5.700Wot5.220W

0-5.700Eot5.700W


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Interface formats are selected from the SETUP Page.The input/output lines on your eTrex are RS-232 compat-

ible, allowing easy interface to a wide range of externaldevices, including PCs, differential beacon receivers,marine autopilots and/or a second GPS receiver.

The NMEA 0183 version 2.0 interface format issupported by the eTrex and enables the unit to drive upto three NMEA devices.

NMEA 0183 Version 3.0 Approved Sentences:GPGGA, GPGLL, GPGSA, GPGSV, GPRMB, GPRMC,GPRTE, GPVTG, GPWPL, GPBOD

Garmin Proprietary Sentences:

PGRME (estimated error), PGRMM (datum string),PGRMZ (altitude), PSLIB (beacon receiver control)

DGPS (Differential GPS) corrections are acceptedin RTCM SC-104 version 2.0 format through the DataIn line. The Garmin GBR 21 and GBR 23 is the recom-mended beacon receiver for use with the eTrex. Otherbeacon receivers with the correct RTCM format may beused, but may not correctly display status or allow tuningcontrol from the GPS unit.

The eTrex may be hard-wired to a serial connec-tor using the Data Cable (see the Garmin web sitewww.garmin.comfor ordering information). Refer tothe wiring diagram and the eTrex unit data connectionillustrated below.

The optional PC Interface Cable allows you to connectyour eTrex to a PC-compatible computers serial port.

eTrex

Connector

Data

Cable

Ground(-)

DataOut

DataIn

Power(+)

Ground

DataOut

DataIn

White

Green

Black

Appendices

Appendix EWiring Diagram


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46

The eTrex does not turn on:

1. Check to see if the batteries are installed correctly

and that the battery terminals are clean.

It takes more than 10 minutes to get alocation fix:

1. There may be large obstacles overhead; move to anew location with a clear view of the sky.

2. See Satellite Reception Tips on page 42.

The arrow on the Navigation Page does notpoint to the destination:

1. Navigation information is based on your movement.If you are standing still, the information is notupdating.

Since the eTrex is not a magnetic compass it cannotshow you which way you are facing while you are

standing still.

The eTrex coordinates do not match the loca-tion on your map:

1. Check to make sure the eTrex is configured to usethe same position format and datum as your map.See page 34.

NOTE: The Auto Power Adapter converts12 VDC to 3 VDC output for the eTrex. Thisadapter is not interchangeable with autopower adapters designed for the Garmin VHF720 and 725, GPS 170, 175, 190 and 195.

Appendices

Appendix FTroubleshooting


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Can I use the eTrex indoors?No. The DEMO mode is available, but we suggest that

only dealers use it.

Do I need to subscribe to a service to use theeTrex?No. The GPS satellites are owned by the United StatesDepartment of Defense (DoD) and have been funded byU.S. taxpayers dollars.Reception of GPS satellite signals is free to everyone.

Does the eTrex work anywhere in the world andin any weather?Yes.

How accurate is a Garmin GPS?The eTrex is accurate to within 15 meters without theDoD-imposed Selective Availability (S/A). Using differ-

ential techniques, the eTrex can be as accurate as 1-5meters. The eTrex is accurate to within 100 meters underS/A.

Another factor that will effect the accuracy of the GPSreceiver is the geometry of the satellites in view of theGPS receiver. A poor geometry situation can provide lessaccurate position readings, and this especially applies

to GPS altitude measurements. The altitude reading onthe GPS unit can vary by +/- 450 ft. depending on thelevel of degradation being imposed under S/A. It is notuncommon to see the altitude continuously drift up anddown when S/A is being imposed.

Why cant I see the display in the daylight?Adjust the contrast (see page 9).

Why cant I interface my computer with theeTrex?Make sure that you have the correct INPUT/OUTPUTformat selected on your eTrex.

Appendices

Appendix GFAQs


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What Grid Formats does the eTrex Support?hddd.dddddo (degrees, decimal degrees)

hdddomm.mm (degrees, minutes, decimal minutes)

hdddommss.s (degrees, minutes, seconds, decimalseconds)

British Grid

Dutch Grid

Finnish KKJ27 Grid

German Grid

Irish Grid

Maidenhead

MGRS (Military Grid Reference System)

New Zealand

Qatar Grid

Swedish Grid

Swiss Grid

Taiwan Grid

User Defined Grid

UTM/UPS (Universal Transfer Mercator/Universal PolarStereographic)

W Malaysian R

Can I turn off the Track Log?No. You can clear the track log, but it is always activated.

What does the message "NO DGPS POSITION"mean?

eTrex had a differential fix and lost it.

Appendices

Appendix GFAQs


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AAccessories 8

Auto Zoom 18Average Speed 19

BBacklighting and Contrast 9Batteries 8, 39Battery Save Mode 39Beacon Receiver 37, 40Bearing 20

Bearing Line 18Buttons 6

CCancelling a GOTO 17Clear a Route Waypoint 27Compass 12Course Line 18

D

Data Entry 34Daylight Savings Time 32Delete a Waypoint 23Delete All Waypoints 22Demo Mode 39Description 7DGPS 37, 45, 48Display Page 33

EEdit Waypoints 14-15, 20-21Elevation 20, 21

FFCC Compliance Statement 4Features 5

Frequently Asked Questions 47-48

GGetting Started 9-17GOTO 16, 17, 23GPS 41GPS Accuracy 47Grid Formats 47-48

H

Heading 19

Appendices

Appendix HIndex


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50

II/O Formats 37-38

Interface Page 37Installing the Batteries 8

LLatitude/Longitude 14, 21Location 20

Low Battery 38

M

Main Menu 13Map Datum 33, 34, 35Map Display 17Map Orientation 18Map Page 11, 18Map Scale 11MapSource CD 8, 36

Maps 33Marine Autopilot 45Mark a Waypoint 14Mark Waypoint Page 20-21Max Speed 19Menu Page Basics 13Military Time 31

N

Navigation 10, 12, 14Navigation Page 12, 16, 19-20Nearest Waypoints Page 22NMEA 37, 45North Reference 36

PPage Basics 10-13

Position Format 34Projecting a Waypoint 24

RReady to Navigate 10Registration 1Review Waypoint Page 23-24Routes 25-27RTCM 37

Appendices

Appendix HIndex


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SSatellite Page 9, 10

Satellite Reception 10, 42-43Setup Menu 31-39Signal Strength Bar 10Software Version 38Specifications 40Speed 19Stop Navigation 18, 19

System Page 38-39

TTime Format 31Time Offset Chart 44Time Zones 13, 44Tracback Navigation 30-31Track Logs 17, 28-30, 48Trip Odometer 20

Troubleshooting 46

UUnits of Measure 35Units Page 33-36User Grid Format 34

UTC 32

W

Warnings and Cautions 3Warranty 52Waypoints Page 22Waypoint Symbol 14Web Site 1Welcome Page 9Wiring Diagram 45

Appendices

Appendix HIndex


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Warranty

LimitedWarranty

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 charge to the customer for parts or labor, provided that the customer shall be respon-

sible for any transportation cost. This warranty does not cover failures due to abuse, misuse,

accident or unauthorized alteration or repairs.

THE WARRANTIES AND REMEDIES CONTAINED HEREIN ARE EXCLUSIVE AND IN

LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED OR STATUTORY, INCLUDINGANY LIABILITY ARISING UNDER ANY WARRANTY OF MERCHANTABILITY OR FITNESSFOR A PARTICULAR PURPOSE, STATUTORY OR OTHERWISE. THIS WARRANTY GIVES

YOU SPECIFIC LEGAL RIGHTS, WHICH MAY VARY FROM STATE TO STATE.

IN NO EVENT SHALL GARMIN BE LIABLE FOR ANY INCIDENTAL, SPECIAL,INDIRECT OR CONSEQUENTIAL DAMAGES, WHETHER RESULTING FROM THE USE,

MISUSE, OR INABILITY TO USE THIS PRODUCT OR FROM DEFECTS IN THE PROD-UCT. Some states do not allow the exclusion of incidental or consequential damages, so theabove limitations may not apply to you.

Garmin retains the exclusive right to repair or replace the unit or software or offer a fullrefund of the purchase price at its sole discretion. SUCH REMEDY SHALL BE YOUR SOLE

AND EXCLUSIVE REMEDY FOR ANY BREACH OF WARRANTY.

To obtain warranty service, contact your local Garmin authorized dealer. Or call GarminCustomer Service at one of the numbers shown below, for shipping instructions and an RMAtracking number. The unit should be securely packed with the tracking number clearlywritten on the outside of the package. The unit should then be sent, freight charges prepaid,to any Garmin warranty service station. A copy of the original sales receipt is required as theproof of purchase for warranty repairs.

Products sold through online auctions are not eligible for rebates or other special offersfrom Garmin. Online auction confirmations are not accepted for warranty verification. Toobtain warranty service, an original or copy of the sales receipt from the original retailer isrequired. Garmin will not replace missing components from any package purchased throughan online auction.

Garmin International, Inc. Garmin (Europe) Ltd.1200 East 151st Street Unit 4, The Quadrangle, Abbey Park Industrial EstateOlathe, Kansas 66062, U.S.A. Romsey, SO51 9DL, U.K.Phone: 913/397.8200 Phone: 44/0870.8501241


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2000-2003 Garmin Ltd. or its subsidiaries

Garmin International, Inc.1200 East 151stStreet, Olathe, Kansas 66062, U.S.A.

Garmin (Europe) Ltd.Unit 5, The Quadrangle, Abbey Park Industrial Estate, Romsey, SO51 9DL, U.K.

( )

For the latest free software updates throughout the life of yourGarmin product, visit the Garmin web site at: www.garmin.com.

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