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owner’smanual
eTrexpersonal navigator
© 2000 GARMIN Corporation
GARMIN International, Inc.1200 East 151st Street, Olathe, Kansas 66062, U.S.A.
GARMIN (Europe) Ltd.Unit 5, The Quadrangle, Abbey Park Industrial Estate, Romsey, SO51 9AQ, U.K.
GARMIN (Asia) CorporationNo. 68, Jangshu 2nd Road., Shijr, Taipei County, Taiwan
www.garmin.com
Part Number 190-00205-00 Rev. A
©2000 GARMIN Corporation
GARMIN International, Inc.1200 East 151st Street, 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 9AQ, U.K.Tel. 44/1794.519944Fax 44/1794.519222
GARMIN (Asia) CorporationNo. 68, Jangshu 2nd Road., Shijr, Taipei County, TaiwanTel. 886/2.2642.8999Fax 886/2.2642.9099
All rights reserved. Except as expressly provided herein, no part of this manual maybe reproduced, copied, transmitted, disseminated, downloaded or stored in anystorage medium, for any purpose without prior written consent of GARMINCorporation. GARMIN Corporation hereby grants permission to download a singlecopy of this manual onto a hard drive or other electronic storage medium to beviewed for personal use, provided that such electronic or printed copy of thismanual contains the complete text of this copyright notice and provided further thatany unauthorized commercial distribution of this manual is strictly prohibited.
Information in this manual is subject to change without notice. GARMINCorporation reserves the right to change or improve its products and to makechanges in the content without obligation to notify any person or organization ofsuch changes. Visit the GARMIN website for current updates and supplementalinformation concerning the use and operation of this and other GARMIN products.
Website address: www.garmin.com
GARMIN is a registered trademark and eTrex is a trademark of GARMIN Corpora-tion and may not be used without the express permission of GARMIN Corporation.
April 2000 Part Number 190-00205-00 Rev. A Printed in Taiwan
1
Introduction
On Your Mark...
Let the Fun Begin
fun (noun):
1. A source of enjoyment, amusement, orpleasure.
2. Enjoyment; amusement: have fun at theparty.
3. Playful, often noisy, activity.
We don’t know about the noise, but fun and simplicityis what the eTrex is all about. To get the most out of yournew eTrex, take the time to read through this Owner’sManual to understand the operating features of the unit.This manual has been designed to provide all that youneed to know to operate your eTrex.
eTrex Registration
Help us better support you by completing youron-line registration today!
Why should you register your eTrex?
• Notification of Product Updates• Notification of New Products• Lost or Stolen unit tracking
Connect to our website (www.garmin.com) and lookfor the Product Registration link on the home page.
Thanks for choosing the GARMIN eTrex. If you haveany questions or comments regarding the use of the eTrexyou can visit our website or contact our Customer ServiceDepartment M-F, 8:00-5:00 CST (except holidays) at1-800-800-1020.
If you have previouslyregistered your GARMINproduct purchase using amail-in registration card, weinvite you to reregister usingour NEW on-line system.Many services provided byour new product registrationsystem are now beingautomated and reregisteringyour purchase ensures youthe best possible support fromGARMIN.
2
Table ofContents
Introduction
Introduction ......................................................................... 1-8
Getting Started ................................................................... 9-17
Reference Section .................................................................. 18
Map Page Options ................................................................. 18
Pointer Page Options ............................................................. 19
Menu Page Selections ............................................................ 20
Mark Waypoint Page ............................................................. 21
Review Waypoint Page .......................................................... 22
Nearest Waypoints ................................................................ 23
Routes .............................................................................. 24-26
Track Logs ........................................................................ 27-28
Setup Page ....................................................................... 29-30
Display and Units Pages ........................................................ 31
Map Datums ......................................................................... 32
Units of Measure .............................................................. 33-34
Interface Page ........................................................................ 35
System Page .......................................................................... 36
Demo Mode .......................................................................... 37
Appendix A: Specifications .................................................... 38
Appendix B: What is GPS? .................................................... 39
Appendix C: Reception Tips ............................................. 40-41
Appendix D: Time Offset Chart ............................................. 42
Appendix E: Wiring Diagram ................................................. 43
Appendix F: Troubleshooting ................................................ 44
Appendix G: FAQ’s ........................................................... 45-46
Appendix H: Index ........................................................... 47-49
Warranty ............................................................................... 50
3
WARNING: If you choose to use the eTrex in a vehicle,it is the sole responsibility of the owner/operator of the eTrexto secure the GPS unit so that it will not cause damage orpersonal injury in the event of an accident. Do not mountthe eTrex over airbag panels or in a place where the driveror passengers are likely to have an impact with it in an acci-dent 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 exclusion ofsafe operating practices. It is unsafe to operate the eTrexwhile you are driving. Failure by the operator of a vehicleequipped with an eTrex to pay full attention to operatingthe vehicle and road conditions while the vehicle is inmotion could result in an accident or collision withproperty damage and personal injury.
CAUTION: IT IS THE USER’S RESPONSIBILITY TOUSE THIS PRODUCT PRUDENTLY. THIS PRODUCT ISINTENDED TO BE USED ONLY AS A TRAVEL AIDAND MUST NOT BE USED FOR ANY PURPOSEREQUIRING PRECISE MEASUREMENT OF DIREC-TION, DISTANCE, LOCATION, OR TOPOGRAPHY.
CAUTION: The Global Positioning System (GPS) isoperated by the government of the United States, which issolely responsible for its accuracy and maintenance. Thesystem 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.
Warnings andCautions
Introduction
Remove the batteries fromyour eTrex if you don’texpect to use it for severalmonths. Be sure toobserve the properpolarity when insertingthe batteries. Follow thebattery manufacturer’sinstructions on the propercare and handling of thebatteries.
4
Introduction
FCC ComplianceStatement
The eTrex complies with Part 15 of the FCC limits forClass 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 notoccur in a particular instance. If this equipment doescause harmful interference to other equipment, try tocorrect the problem by relocating the equipment.
Consult an authorized GARMIN dealer or otherqualified service technician if the problem cannot becorrected. Operation is subject to the following condi-tions: (1) This device cannot cause harmful interference,and (2) this device must accept any interference received,including interference that may cause undesiredoperation.
The eTrex does not contain any user-serviceableparts. Repairs should be made only by an authorizedGARMIN service center. Unauthorized repairs can voidthe warranty.
5
Introduction
eTrex FeaturesThe eTrex is a six ounce, 12 channel, hand held GPS
receiver. It has a built-in GPS antenna and only five user-buttons. All buttons are located on either side of the unit,allowing for simple, one-handed operation that won’tobstruct your view of the display. It runs for 22 hours ontwo AA batteries in battery save mode.
In addition to determining your location, the eTrexwill create, name and save a location (as an electronicwaypoint) in its memory, allowing you to navigate backto this point any time you want. And once you startmoving, your GPS provides other data, like speed,direction of movement, 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’ll know where you are, where you’ve beenand where you’re going. And since you’ll 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: Route lets you navigate up to 50waypoints in sequence.
Trip Computer: Current speed, average speed,maximum speed, direction ofmovement, bearing, elevation, timeof sunrise/sunset, trip timer and tripodometer.
NOTE: You shouldalways be prepared andcapable of navigatingwithout the eTrex. It isdesigned to augmentother forms of basicnavigation, not entirelyreplace them.
6
eTrex Buttons
Introduction
Operating the eTrex is as simple as pressing a button!
The POWER Button:
• Turns the unit on and off• Turns the display backlight on and off
The PAGE Button:
• Switches between pages and backs you outof pages. If you start to do something andyou don’t want to continue, you can stopby pressing the PAGE 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 Pointer Page
The ENTER Button:
• Confirms data entry or menu selections
PAGEPAGE
PWRPWR
ENTERENTER
Owner's
Manual
The eTrex is ergonomicallydesigned to be held in yourleft hand.
This symbol identifies notesthroughout the manualwhich will give you helpfulinformation.
F
7
Introduction
eTrexDescription
DOWNButton
UP Button
ENTERButton
External Powerand
Data Connector(top rear)
InternalGPS Antenna
LCD Display(with backlight)
POWERButton
PAGEButton
BatteryCompartment
(in rear)
Waterproof Case
8
Introduction
Accessories
Standard AccessoriesLanyard ....................................... Part No. 013-00052-00Provides convenient method for carrying the eTrex. Attaches to a slot on the
bottom of the unit.
Owner’s Manual .......................... Part No. 190-00205-00Quick Start Guide ....................... Part No. 190-00205-01
Optional AccessoriesCarrying Case ............................. Part No. 010-10266-00Protects the eTrex when not in use.
Auto Power Adapter .................... Part No. 010-10203-00Provides eTrex operation from a automobile cigarette lighter.
PC Data Cable ............................. Part No. 010-10206-00Allows for transfer of data from a PC to an eTrex.
Data Cable .................................. Part No. 010-10205-00Wiring harness. Connections for data input/output.Bicycle Mounting Kit ................... Part No. 010-10267-00Allows the eTrex to be mounted on bicycle handle bars.PC Cable/Auto Power Adapter .... Part No. 190-10268-00Allows transfer of waypoints and routes from a PC to the eTrex andprovides unit operation from an automobile cigarette lighter.MapSource® Map Data CD-ROMsAn excellent tool for creating waypoints and routes on your PC using abackground map and downloading them to your eTrex. See yourGARMIN dealer for MapSource details.
Installing the Batteries
The eTrex operates on 2 AA batteries (not included),which are installed at the back of the unit. To install thebatteries, remove the battery cover by turning the lockring at the back of the unit 1/4 turn counter-clockwise.Insert the batteries observing proper polarity. Attach thebattery cover by turning the lockring 1/4 turn clockwise.The 2 AA batteries should last about 22 hours in batterysave mode.
Auto Power Adapter-Converts 12VDC outputfrom the lighter to 3VDCinput to the eTrex. Notinterchangeable withpower adapters forGARMIN VHF 720,725, and 725e, or GPS170, 175, 190, and 195.
Lanyard
PC Interface Cable withAuto Power Adapter
Bicycle Mounting Kit
9
Here We Go. . .The Getting Started Section introduces you to the basic op-eration of the eTrex. The Reference Section shows you how to useall of eTrex’s 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 POWER Button to turn the unit on. You’ll 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 strong satellitesignals to find your location. The Satellite Page shows yougraphically eTrex tracking 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, eTrex has found your location andyou are ready to go!
Backlighting and Contrast
If the lighting conditions make it hard for you to see thescreen, you can adjust the contrast or turn on the backlight.Press and release the POWER Button from any screen toturn on the backlight. The backlight is timed to stay on for30 seconds to save battery power. To adjust the screen con-trast, press the PAGE Button until you see the Satellite Page.Press the UP button to make the screen darker, press theDOWN Button to make the screen lighter.
The Welcome Page
NOTE: When you use the eTrex for the firsttime, it will take up to five minutes to find yourlocation. After the first use, eTrex only needsabout 15 to 45 seconds to find your location.
F
GettingStarted
10
Selecting a Page
All of the information needed to operate the eTrex isfound on four main “pages” (or display screens). Thesepages are the Satellite, Map, Pointer, and Menu.
Simply press the PAGE Button to switch betweenpages.
Satellite Page Basics
The Satellite Page shows you in animation, the eTrexgathering the necessary satellite information in order towork. It also shows you when the satellite signals areweak or when you need to move to a different location forbetter reception. The shorter the signal strength bar, theweaker the signals.
“You”; YourLocation
Status Message
Satellites
The Satellite Page
Satellite SignalStrength Bar
SatelliteSignals
Location Accuracy(estimated)
The “READY TONAVIGATE” messagemust appear before youcan begin using youreTrex to navigate.
GettingStarted
Page Basics
Map Pointer MenuSatellite
PAGEPAGE PAGEPAGEPAGEPAGE PAGEPAGE
11
Page BasicsMap 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 a“trail” (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 thefun” section.
To help you better visualize the “real world”, 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 500 feet to 800 miles!) bypressing and holding the UP Button to view a larger area,and the DOWN Button for viewing a smaller area.
The Map Page
The Map Page showingdifferent symbols andwaypoints.
On the Map Page, the UPand DOWN Buttons areused to adjust the mapscale from 500 feet to 800miles.
“You”; yourlocation
North Pointer
Path toDestination
DestinationWaypoint
Map Scale
“Trail” (track log)
GettingStarted
12
The Pointer Page helps guide you to a destination.When you’re moving with no particular destination inmind, the Pointer Page shows you your moving directionand speed. When you’re moving towards a specificdestination, the Pointer Page shows you the name of thelocation, the distance, and time to go.
By pressing the UP or DOWN Buttons, you can cyclethrough other trip computer information such as averagespeed, maximum speed, moving direction (heading),bearing, lat/lon, elevation, time of sunrise/sunset, triptimer and trip odometer.
The eTrex is not a compass.You must be moving in orderfor it to track your movement.
On the Pointer Page, theUP and DOWN Buttonsare used to cycle throughdifferent trip data.
Compass Ring
Time to reachthe Destination
Straight LineDistance to theDestination
Waypoint (Location) Name
Direction Arrow(follow this)
Destination Symbol
The Pointer Page
Speed
Pointer Page Basics
MovingDirection Line
GettingStarted
F NOTE: The direction arrow and destinationsymbol only appear on the Pointer Page whenyou have started a GOTO.
.
Page Basics
13
Page Basics
Menu Page Basics
The Menu Page gives you access to eTrex’s moreadvanced features. With the Menu Page you can do neatthings like customize the display, transfer informationfrom a computer to eTrex and back again, and manageand organize all of your waypoints.
What Time is it?—Changing the Time Zone
Let’s practice using the Menu Page and change thetime zone.
To change the time zone:
1. Press the PAGE Button and switch to the MENUPage. Press the UP or DOWN Button and highlight‘SETUP’. Press ENTER. The SETUP Page appears.
2. Press the UP or DOWN Button and highlight‘TIME’ and press ENTER.
3. Press the UP or DOWN Button and select the‘TIME ZONE’ field and press ENTER.
4. Press the UP or DOWN Button, scroll through theselections, and press ENTER when you have foundthe correct zone. Press PAGE to get back to thepage of your choice.
You can select yourparticular time zone onthe TIME page.
The Menu Page
BacklightIndicator
Menu Options
Time and Date
BatteryStrength
GettingStarted
14
Let the FunBegin!
This completes a basic explanation of the page featuresof the eTrex. Now let’s have some fun.
Discovering the Fun
Discovering the fun of using your eTrex is as easy astaking a quick walk around an open outdoor area. In thisbrief exercise, you’ll mark your current location (yourhome for example), travel a short distance away, and thenhave the eTrex guide you back to where you started (to getthe most out of this exercise, make sure to walk for at leastthe time noted for each step)..“X” Marks the Spot
The first step in the exercise is to mark your location asa waypoint so you can return to it later.
To Mark a Waypoint:
1. Press the PAGE Button and switch to the MENUPage.
2. Press the UP or DOWN Button and highlight the‘MARK’ field.
3. Press ENTER. The MARK WAYPOINT Page appearswith ‘OK?’ highlighted.
Before we actually mark the wayoint, let’s change thesymbol to a house and the name ‘001’ to something a littlemore meaningful such as HOME.
To change the waypoint symbol:
1. On the MARK WAYPOINT page, press the UP orDOWN Button to highlight the small flag symboland press ENTER. Using the UP or DOWN Button,scroll through the symbols and highlight the housesymbol. Press ENTER.
NOTE: The eTrex must be “READY TONAVIGATE” before you mark a waypoint.
You’ll find the MARKoption on the MENUPage
The Latitude andLongitude is displayed atthe bottom of the MARKWAYPOINT Page andthe REVIEWWAYPOINT Page.
F
GettingStarted
15
Edit WaypointsTo change the waypoint name:
1. On the MARK WAYPOINT page, press the UP orDOWN Button to highlight the Waypoint Name‘001’.
2. Press ENTER. The EDIT WAYPOINT NAME Pageappears.
3. Press ENTER. Using the UP or DOWN Button, scrollthrough the letter selections. Select ‘H’ and pressENTER. Repeat this process and finish the word‘HOME’.
4. Press the UP or DOWN Button to highlight the ‘OK’field and press ENTER. The MARK WAYPOINT pageappears.
5. Press the UP or DOWN Button to highlight the ‘OK’field and press ENTER. Your location, named HOME,is now marked and stored in memory.
Now that you’ve marked your location, it’s time to gofor a brisk walk. Press the PAGE Button and switch to theMAP Page
Walk in a straight line for 3-4 minutes at a fastpace 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 line—called a “track”—appear along the path youhave just covered.
Now take a sharp right turn and walk at a briskpace for another 3-4 minutes.
You can create or edit awaypoint on the EDITLOCATION Page. Fromthe MARK WAYPOINTPage, highlight the Lat/Lon field and pressENTER. Then follow theon-screen instructions.
The EDIT WAYPOINTNAME Page.
NOTE: As a shortcut tip, press and holdENTER to mark a waypoint.F
GettingStarted
16
Now let’s use the GOTO feature and the Pointer Pageto travel back to our starting location.
Guidance by GARMIN
The eTrex guides you to a destination using a GOTO(GOTO means GOing TO a destination in a direct line).
To Start a GOTO:
1. Press the PAGE Button and switch to the MENUPage.
2. Press the UP or DOWN Button and highlight‘WAYPOINTS’.
3. Press ENTER. The WAYPOINTS Page appears.
4. Press the UP or DOWN Button and select the tabcontaining ‘HOME’ and press ENTER.
5. Press the UP or DOWN Button to select ‘HOME’and press ENTER. The Review Waypoint pageappears.
6. Press the UP or DOWN Button to highlight the‘GOTO’, and press ENTER.
The Compass Page appears and you’re now ready foreTrex to guide you back to your starting location!
Heading in the Right Direction
The eTrex will guide you back to where you started us-ing the Pointer Page. The pointer tells you the direction tothe destination. Walk in the direction the arrow is pointinguntil the arrow points to the top of the compass ring. If thearrow points to the right, you need to go to the right. If thearrow points to the left, go left. When the arrow is pointingstraight up, you are on the correct track!
Follow thePointer
The pointer tells you whatdirection you should move.When the pointer is pointingright as shown here, just moveright until the pointer ispointing straight up andpoints to the moving directionline (see picture below).
When the pointer pointsstraight up as shown,you’re on track!
GettingStarted
17
You’ve MadeIt!
The destination name, distance to the destination andtime to reach your destination are displayed at the top ofthe screen. The speed you are traveling is shown at thebottom of the screen. Once you are getting close to yourdestination, eTrex will give you the message “ARRIVINGDESTINATION”.
Stop the Train–I Want to Get Off
Anytime you want to stop a GOTO:
1. Press the PAGE Button and switch to the POINTERPage. Press ENTER.
2. Highlight ‘STOP NAVIGATION’ on the OPTIONSPage and press ENTER.
Clearing a Cluttered Map Display
After you’ve used the eTrex for a few trips, the mapdisplay will become a bit messy from keeping track ofyour every move. You can clean up the screen by clearingthe track log (the lines left on the Map Page):
To clear the track log:
1. Press the PAGE Button and switch to the MENUPage.
2. Press the UP or DOWN Button and highlight‘TRACKS’.
3. Press ENTER. You are now on the TRACKS Page.Use the UP Button and highlight CLEAR. PressENTER.
4. Use the DOWN Button and highlight ‘YES’. PressENTER. Press the PAGE Button to select anypage.
You’ve now gone through the basic operation of eTrexand you’re ready to get out there and have some fun! Toturn eTrex off, press and hold the POWER Button.
Highlight STOPNAVIGATION and pressENTER on the OptionsPage to stop a GOTO.
Owner's
Manual
GettingStarted
18
Introduction
This section covers the remaining features of the eTrexthat 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 OPTIONS’feature which allows you to customize the Map Page. Thefollowing options are available:
• Orient Map Ahead/Northwards: When ‘AHEAD’ isselected, the top of the map is oriented in the directionyou are currently moving. When ‘NORTHWARDS’ isselected, the map is always oriented to the north.• Auto Zoom On/Off: When ‘AUTO ZOOM’ is turnedon, the map automatically adjusts its scale to display yourentire navigating route. When it’s turned off, you mustpress the UP or DOWN buttons to select the appropriatemap scale.
• Stop Navigation: ‘STOP NAVIGATION’ stops anyactive navigation (navigation means there is a destinationwaypoint, page 16). This option cannot be selected ifthere is no active navigation.
To select a Map Page Option:
1. Press the ENTER button on the Map Page.
2. The Map Options Menu appears. Press the UP orDOWN button and highlight the desired option andpress ENTER. Once you press ENTER, the change ismade and the Options Menu disappears.
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.
Selecting ‘Orient MapAhead’ from the MapPage options orients themap to the direction youare moving.
When you select ‘OrientMap Northwards’ thefigure icon is replaced bya ‘direction’ triangle.The tip of the triangletells you the generaldirection you aremoving.
Map PageOptions
Reference
19
Pointer Page Options
In addition to the Pointer Page basics that were coveredon page 12, the following Pointer Page options areavailable:
• Reset Max Speed: this resets the Maximum Speedachieved during a trip.
• Reset Trip: the trip time, trip distance (odometer) andaverage speed are reset to zeros.
• Stop Navigation: stops any active navigation.
To select a Pointer Page Option:
1. Press the ENTER button on the Pointer Page.
2. The Options Menu appears. Press the UP or DOWNbutton, highlight the desired option, and pressENTER. Once you press ENTER, the change is madeand the Options Menu disappears.
You can also change the fields at the bottom of thePointer Page to display different data:
Speed—like the speedometer in your car, ‘SPEED’ tellsyou how fast you are going regardless of whether or notyou are on the right track.
Average Speed—the average speed traveled since last tripreset.
Max Speed—the maximum speed traveled since last reset.
Heading—the direction you are traveling.
Bearing—the compass direction between your locationand destination.
Elevation—the measurement of height above mean sealevel.
Location—shows your current latitude and longitude.
Sunrise—the time of sunrise at your present location.
The Pointer Page allowsyou to display eleventypes of different data,such as ‘Elevation’.
Pointer PageOptions
The eTrex will tell youthe time of sunrise andsunset at yourdestination.
Reference
20
Sunset—the time of sunset at your present location.
Trip Time—the total time you have traveled since thelast trip reset.Trip Odometer—like the odometer in your car, ‘TRIPODOMETER’ tells you how far you’ve gone since the lasttrip reset.
To change a data field:
1. On the Pointer Page, press the UP or DOWNbutton and scroll through the available options,stopping on the data you want the eTrex to display.
Menu Page Selections
The Menu Page turns the eTrex into a powerfulnavigation tool. With the Menu Page you can customizethe display, transfer information from a computer toeTrex and back again, and manage and organize all ofyour waypoints. Now let’s take a look at each of the MenuPage selections.
Menu PageSelections
The Menu Page allowsyou to customize theeTrex’s features.
Reference
21
Mark Waypoint Page
The ‘MARK WAYPOINT’ page allows you to change thewaypoint symbol, name, and location (latitude andlongitude). The information on page 14 showed you how tochange the waypoint symbol and name.
To change the location (latitude/longitude):
1. Press the PAGE Button and switch to the ‘MENU’Page. Press the UP or DOWN button and highlight‘MARK’. Press ENTER. The ‘MARK WAYPOINT’ Pageappears.
2. Press the UP or DOWN button and highlight the‘LAT/LON’ field and press ENTER. The ‘EDITLOCATION’ Page appears.
3. Scroll through the latitude and longitude positionplaces using the UP and DOWN button (UP buttonto move right to left, DOWN button to move left toright. When you reach the position place you want tochange, stop and press ENTER. Using the UP orDOWN button, scroll through the choices andhighlight the one you want. Press ENTER. Theposition place is now changed.
4. Press the UP or DOWN button to highlight the ‘OK’field and press ENTER. The ‘MARK WAYPOINT’ Pageappears.
5. Press the UP or DOWN button to highlight the ‘OK’field and press ENTER. Your location with the newlatitude/longitude is now stored in memory.
The ‘EDIT LOCATION’Page displays on-screeninstructions on how toedit the waypointlocation.
Remember that pressingand holding the ENTERbutton gives you the‘MARK WAYPOINT’Page where you canmark a waypoint.
Mark WaypointPage
Reference
22
Waypoints Page
The Waypoints Page organizes all of your waypoints inalphabetical order for easy selection. It also allows you toselect nine of the ‘NEAREST WAYPOINTS’, and if youwant, delete all waypoints.
To select a waypoint:
1. Press the PAGE button and switch to the ‘MENU’Page. Press the UP or DOWN button and highlight‘WAYPOINTS’. Press ENTER. The ‘WAYPOINTS’ Pageappears.
2. Press the UP or DOWN button and highlight thealphabetical tab containing the desired waypoint.Press ENTER. Press the UP or DOWN button toselect the desired waypoint. Press ENTER. The‘REVIEW WAYPOINT’ Page appears.
Review Waypoint Page
The ‘Review Waypoint’ Page allows you to change thewaypoint symbol, name, and location (covered previously).You can also delete the waypoint, display the waypoint onthe Map Page, and start a GOTO.
To delete a waypoint:
1. On the ‘REVIEW WAYPOINT’ page, press the UP orDOWN button and highlight ‘DELETE’. Press theENTER button. A confirmation message box appearsasking if you really want to delete the waypoint. Ifyou do, press the UP or DOWN button, highlight‘YES’ and press ENTER.
2. If you change your mind and do not want to deletethe waypoint, press the UP or DOWN button,highlight ‘NO’ and press ENTER. The confirmationmessage box disappears and the waypoint remains inmemory (you can also press the PAGE button toexit).
The ‘REVIEWWAYPOINT’ Page allowsyou to delete a waypoint.
You can start a GOTOfrom the ‘REVIEWWAYPOINT’ Page.
ReviewWaypoint
Page
Reference
23
To start a GOTO:
1. On the ‘REVIEW WAYPOINT’ page, press the UP orDOWN button and highlight ‘GOTO’. Press theENTER button. 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 UP orDOWN button and highlight ‘MAP’. Press the ENTERbutton. The selected waypoint is displayed on amap. You can use the UP/DOWN buttons to zoom inand out on the map. Press the PAGE Button andswitch back to the ‘WAYPOINTS’ Page.
To view the ’NEAREST’ waypoints page:
1. On the ‘WAYPOINTS’ page, press the UP or DOWNbutton and highlight ‘NEAREST’. Press the ENTERButton. The ‘NEAREST WAYPOINTS’ Page appears.
The nine closest waypoints appear in a list showingtheir name and distance from your location. You canselect a waypoint from this list by pressing the UP orDOWN button and selecting the desired waypoint.Once selected, press ENTER. The ‘REVIEWWAYPOINT’ appears allowing you to edit thewaypoint if you desire.
To delete all waypoints:
1. On the ‘WAYPOINT’ Page, press the UP or DOWNbutton and highlight ‘DELETE ALL’. Press the ENTERbutton. A confirmation message box appears asking ifyou really want to delete all waypoints. If you do,press the UP or DOWN button and highlight ‘YES’.Press ENTER.
2. If you change your mind and do not want to deletethe waypoint, press the UP or DOWN button andhighlight ‘NO’. Press ENTER (or press the PAGEbutton). The confirmation message box disappearsand all of the waypoints remain in memory.
NearestWaypoints
The nine closestwaypoints appear in alist showing their nameand distance from yourlocation (four shownhere).
MAKE SURE you wantto delete all of thewaypoints before youpress ENTER!
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‘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. This section discusses the routemethod. The third method, TracBack, is discussed onpage 27. In the eTrex, a route is at least two waypointsthat describe 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. The route feature and the GOTO feature arecomparable in that they both guide you to destinationwaypoints.
However, the route feature is more powerful because itis more automatic. When you reach one waypoint, theeTrex automatically guides you to the next waypoint onthe route without needing to touch any button. Whenyou use the ‘GOTO’ feature you have to stop and selectthe next waypoint before you start moving. When youplan a trip, you can select waypoints from a waypoint listand put them into the eTrex’s memory. At least 2waypoints (up to a maximum of 50) are linked togetherto form a route.
When you start your trip, you activate the routefeature and the receiver points the way you should travelto get from the first waypoint to the second. You can thenuse the pointer page to give you steering guidance.
Routes
The ‘ROUTE’ feature isfound on the Menu Page.
You can use existingwaypoints to ‘build’ theroute.
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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 add awaypoint into the route from a list of availablewaypoints.
2. Plan a ‘ROUTE’ in MapSource on a PC, and uploadthe ‘ROUTE’ to the eTrex. See your GARMIN dealerfor more information on using MapSource (MapSource is an optional accessory, and is not includedwith the eTrex).
In either case, you can navigate to a destination using‘ROUTE’ if a route has more than two waypoints. A singlewaypoint route is only a normal waypoint, not a route. TheeTrex will not allow the ‘FOLLOW’ button to be high-lighted if there is only one waypoint in the route. Whenyou select the ‘FOLLOW’ button, a list with two items isdisplayed letting you choose where to go. The list willalways 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 (eTrex has one route). There are two ways toinsert a waypoint into a route. One way is to insert thewaypoint before an existing waypoint in a route. The otherway is to insert the waypoint at the end of the waypoint listin a route.
To insert a waypoint into a route:
1. Press the PAGE Button and switch to the ‘MENU’Page. Press the UP or DOWN button and highlight‘ROUTE’. Press ENTER. The ‘ROUTE’ Page appears.Press ENTER. The ‘ADD WAYPOINT TO ROUTE’ Pageappears.
2. Press the UP or DOWN button to select thewaypoint of your choice and press ENTER. Thewaypoint you selected is placed in the first field onthe ‘ROUTE’ page. Repeat this process until all of thewaypoints you want are entered into the route list.Press PAGE to get back to the page of your choice.
Routes
You can insert awaypoint before anexisting waypoint in thelist or at the end ofwaypoint list.
Press ‘FOLLOW’ toactivate a route.
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To activate a route:
1. Press the PAGE button and switch to the ‘MENU’ Page.Press the UP or DOWN Button and highlight ‘ROUTE’.Press ENTER. The ‘ROUTE’ Page appears.
2. Press the UP or DOWN button and highlight‘FOLLOW’ and press ENTER. The choices are the first(beginning) waypoint and the last (end) waypoint.
3. Press the UP or DOWN button and select the desiredwaypoint and press ENTER. The Pointer Page appearsgiving you steering guidance to the destinationwaypoint.
To remove a waypoint from the ‘ROUTE’ list:
1. Press the PAGE button and switch to the ‘MENU’ Page.Press the UP or DOWN Button and highlight ‘ROUTE’.Press ENTER. The ‘ROUTE’ Page appears. Press the UPor DOWN button and highlight the waypoint you wantto remove. The ‘INSERT/REMOVE’ window appears.Press the UP or DOWN button and highlight‘REMOVE’. Press ENTER. The waypoint is removedfrom the list.
To clear all route waypoints:
1. Press the PAGE button and switch to the ‘MENU’ Page.Press the UP or DOWN button and highlight ‘ROUTE’.Press ENTER. The ‘ROUTE’ Page appears.
2. Press the UP or DOWN button and highlight ‘CLEARALL’ and press ENTER. The confirmation windowappears asking you if you really want to clear all of theroute waypoints. If you do, select ‘YES’. If you changeyour mind, press the UP or DOWN button and select‘NO’. Press ENTER. The waypoints remain in the routelist.
Routes
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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‘TracBack’ Navigation and the Tracks Page
‘TracBack’ allows you to return along a traveled pathwithout marking any waypoints. The eTrex draws a ‘tracklog’ or ‘electronic breadcrumb trail’ as you travel. Whenyou are ready to return to where you started, eTrex willtake you back by following the ‘electronic breadcrumb trail’you left behind. You can save a total of ten tracks in theeTrex. The track log starts recording as soon as the eTrexgets a location fix. If you want to keep a record of a certaintrack log before deleting it, go ahead and save it.
The saved tracks can be used for navigation later. After atrack log is saved as a “saved track”, the saved track willhave a beginning (BEGIN) point and an ending (END)point. It simply means “when/where” is the starting pointand ending point of the saved track. The percentage ofmemory used by the current track log is displayed at thetop of the page. After the track log is ‘CLEARED’, it willshow zero percent. When the display shows 99%, the mostrecent track points will start overwriting the least recenttrack points. Thus, in order to avoid losing any trackpoints, you should save the track log before it reaches 99%of memory usage.
To save a track for navigation later:
1. Press the PAGE Button and switch to the ‘MENU’Page. Press the UP or DOWN Button and highlight‘TRACKS’. Press ENTER. The Track Log Page appears.
2. Press the UP or DOWN Button and highlight ‘SAVE ’and press ENTER. The ‘SAVE BACK THROUGH’window appears giving you a time frame for saving atrack or ‘ENTIRE LOG’. Press the UP or DOWNbutton and select the desired option. Press ENTER.The saved track appears graphically on a sub page.Press the UP or DOWN button and select ‘OK’. PressENTER.
3. The track is now saved and appears in the ‘SAVEDTRACKS’ list on the Track Log Page.
Track Logs
You need to save thetrack log first before youcan use the TracBackfeature.
NOTE: For effective useof the ‘TRACBACK’feature, ‘CLEAR’ thetrack log before starting anew trip or after savingthe track log. To clear thetrack log, follow the stepsgiven on page 17,“Clearing a ClutteredMap Display”.
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To delete all tracks:
1. On the Track Log Page, Press the UP or DOWN buttonand highlight ‘DELETE ALL’. Press ENTER. Theverification window appears.
2. If you really want to delete all saved tracks, press theUP or DOWN button and highlight ‘YES’. PressENTER. If you change your mind, press the UP orDOWN button and select ‘NO’. Press ENTER. Thetracks remain in memory (or you can press PAGE toexit at any time).
To delete a saved track:
1. On the Track Log Page, Press the UP or DOWN buttonand highlight the saved track that you want to deletefrom the ‘SAVED TRACKS’ list. Press ENTER. The savedtrack appears graphically.
2. Press the UP or DOWN button and highlight ‘DELETE’.Press ENTER. A confirmation window appears askingyou if you really want to delete the saved track. If youdo, press the UP or DOWN button and highlight ‘YES’.Press ENTER. If you change your mind, press the UP orDOWN button and select ‘NO’ Press ENTER (or youcan press PAGE to exit at any time). The tracks remainin memory.
To start TracBack Navigation:
1. On the Track Log Page, press the UP or DOWN buttonand highlight the saved track from the ‘SAVEDTRACKS’ that you want to travel. Press ENTER. Thetrack graphically appears.
2. Press the UP or DOWN Button and highlight‘TRACBACK’. Press ENTER. The direction windowappears asking you if you want the destination to be atthe beginning of the track or the end of the track (seesidebar). Press the UP or DOWN button and select thedesired destination point. The Pointer Page appearsguiding you to the destination you selected.
Track Logs
The ‘BEGIN’ point is thepoint defining thestarting point whensaving a track log.‘END’ is the last pointthat was saved. Eachsaved track will alwayshave a ‘BEGIN’ and‘END’ point fornavigation. The‘BEGIN-END’ pairimply the direction of thesaved track. If you wantto retrace the track,navigate to ‘END’. If youwant to track back to thestarting point, navigateto ‘BEGIN’.
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You may not remember the original direction of thesaved track, but by using ‘BEGIN’ or ‘END’, you can alwaysselect where you want to “TracBack to” without remember-ing the directions of the saved track.
To rename a saved track:
1. The information on page 15 shows how to rename awaypoint name. Use the same method to change asaved track name.
Setup Page
The Setup Page allows you to customize the eTrex. Onthe Setup Page you can change coordinate systems, mapdatums, and distance units. You can also change the timeformat, north reference, operating mode, display contrast,and display back light timeout.
Time Format
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 with 12hour AM and 12 hour PM cycles. The 24 hour option setsthe eTrex to display a 24 hour cycle (Military Time).
To change the time format:
1. Press the PAGE Button and switch to the ‘MENU’Page. Press the UP or DOWN Button and highlight‘SETUP’. Press ENTER. The ‘SETUP’ Page appears.
2. Press the UP or DOWN Button and highlight ‘TIME’and press ENTER.
3. Press the UP or DOWN Button and select the ‘TIMEFORMAT’ field and press ENTER.
4. Press the UP or DOWN Button, select 12 or 24 hoursand press ENTER. Press PAGE to get back to thepage of your choice.
Setup Page
The Setup Page
You can choose fromeight time zones plus‘other’.
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Time Zone
The time zone can be set to any one of eight pre-programmed zones or by entering the UTC Time Offsetvalue in the UTC offset field below the time zone field.When you select the 24 hour time format, the letters ‘lcl’(local) appear next to the time. You can find time offsetvalues for your longitude by following instructions and theTime Offset Chart (Appendix D). To change the time zone,follow the steps given on page 13, “What Time is it?”.
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 can’tchange it.
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 or‘No’ to remain on standard time.
To change the Daylight Savings Field:
1. Press the PAGE Button and switch to the ‘MENU’Page. Press the UP or DOWN Button and highlight‘SETUP’. Press ENTER. The ‘SETUP’ Page appears.
2. Press the UP or DOWN Button and highlight ‘TIME’and press ENTER.
3. Press the UP or DOWN Button and select the‘DAYLIGHT SAVINGS’ field and press ENTER.
4. Press the UP or DOWN Button, select ‘AUTO’, ‘YES’,or ‘NO’ and press ENTER. Press PAGE to get back tothe page of your choice.
Setup Page
UTC stands for‘Coordinated UniversalTime’ and replacedGreenwich Mean Time(GMT) as the Worldstandard for time in 1986.It is based on atomicmeasurements rather thanthe earth's rotation.
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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:
1. Press the PAGE Button and switch to the ‘MENU’Page. Press the UP or DOWN Button and highlight‘SETUP’. Press ENTER. The ‘SETUP’ Page appears.
2. Press the UP or DOWN Button and highlight‘DISPLAY’ and press ENTER. Press ENTER on the‘LIGHT TIMEOUT’ field.
3. Press the UP or DOWN Button and highlight yourselection and press ENTER. Press PAGE to get backto the ‘SETUP’ page.
To adjust the display contrast:
1. Press the PAGE Button and switch to the ‘MENU’Page. Press the UP or DOWN Button and highlight‘SETUP’. Press ENTER. The ‘SETUP’ Page appears.
2. Press the UP or DOWN Button and highlight‘DISPLAY’ and press ENTER. Press the UP orDOWN Button and highlight the ‘CONTRAST’ iconand press ENTER.
3. Press the UP or DOWN Button and adjust thecontrast and ENTER. Press PAGE to get back tothe ‘SETUP’ page.
Units Page
Using your eTrex with a paper map increases thenavigation power of both. If you are going to use a mapin conjunction with the eTrex, you must select theposition format (grid), map datum, map units, and northreference to match the map’s units. This is the purpose ofthe Units Page. Regarding position format, the eTrexallows you to choose from more than thirteen differentgrids. The eTrex supports the UTM/UPS and latitude/longitude grids because together they cover the world.
Display andUnits Pages
You can set the backlightto stay on all the time, butwatch your batterypower!
The Units Page allowsyou match the units ofthe eTrex to the units ofa unique paper map youmay be using.
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Position Format
The default position format (and the one most commonlyused) for the eTrex is latitude and longitude in degrees andminutes (hdddº mm.mmm’). You may also choose from 17other position formats. There is also a “User” position for-mat which allows you to approximate custom-designedgrids. For more information on grids and datum we rec-ommend you visit the National Imagery and MappingAgency at http://www.nima.mil.
To change the Position Format (grid):
1. Press the PAGE Button and switch to the ‘MENU’Page. Press the UP or DOWN Button and highlight‘SETUP’. Press ENTER. Use the UP/DOWN buttonsto select ‘UNITS’. Press ENTER. The ‘UNITS’ Pageappears.
2. Press the UP or DOWN Button and select the‘POSITION FRMT’ field. Press ENTER.
3. Press the UP or DOWN Button and select thedesired format. Press ENTER. Press PAGE to getback to the page of your choice.
Map Datums
A map datum is a reference model of the earth’sshape. Every map uses a map datum. The map datum isusually listed in the title block of the map. If you arecomparing GPS coordinates to a paper map or otherreference, the map datum in the eTrex should match thehorizontal map datum used to generate the chart or otherreference.
The default datum in the eTrex is WGS 84 (WorldGeodetic Survey, 1984). You should only change thedatum if you are using maps or charts that specify adifferent datum than WGS 84. If no datum is specified,you can select each datum applicable to your region untilyou find the datum that provides the best positioning at aknown point. You may also choose the “User” datum foruse with custom-designed grids.
Data Entry Pages existfor the User Grid Formatand the User DatumSetup. These pages allowyou to configure the eTrexfor compatibility withcustom designed grids. Werecommend surfing thenet for links to Garminuser-grid and user datuminformation. There arealso excellent navigationand GPS articlesavailable on-line whichwill enhance your overallknowledge of GPS.
Map Datums
Eighteen positionformats are available inthe eTrex.
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To change the Map Datum:
1. Press the PAGE Button and switch to the ‘MENU’Page. Press the UP or DOWN Button and highlight‘SETUP’. Press ENTER. Use the UP/DOWN buttonsto select ‘UNITS’. Press ENTER. The ‘UNITS’ Pageappears.
2. Press the UP or DOWN button and select the ‘MAPDATUMS’ field. Press ENTER.
3. Press the UP or DOWN button to select the desireddatum. Press ENTER. Press PAGE to select thepage of your choice.
Units of Measure
The eTrex lets you select statute (the default setting),nautical, or metric units of measure for all speed and dis-tance readouts.
To change the Units of Measure:
1. Press the PAGE button and switch to the ‘MENU’page. Use the UP and DOWN button and highlightthe ‘SETUP’ field. Press ENTER. The ‘SETUP’ Pageappears.
2. Press the UP/DOWN button to select ‘UNITS’. PressENTER. The ‘UNITS’ Page appears.
3. Press the UP or DOWN Button and select the‘UNITS’ field. Press ENTER.
4. Press the UP or DOWN button to select the desiredunit. Press ENTER. Press PAGE to select the pageof your choice.
Units ofMeasure
You can select statute,nautical, or metric unitsof measurement from the‘UNITS’ page.
The ‘DEFAULTS’ settingwill reset the eTrex unitsto all of its factorysettings.
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North Reference
‘Reference’ refers to the orientation of a map’s grid.Map makers try to align the vertical lines on a map with‘True North’. True North is the direction from anylocation on the earth’s 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 declinationchanges as you move around the earth. Magnetic Northis the direction in which a compass needle points. TheeTrex bearings will correspond to the compass if theeTrex is set to magnetic north. Due to errors introducedwhen map makers flatten the earth’s sphere onto paper,not all of the grid lines drawn on the map point exactly tothe north pole, so the north indicated by the grid lines iscalled ‘Grid 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:
1. Press the PAGE button and switch to the ‘MENU’page. Use the UP and DOWN button and highlightthe ‘SETUP’ field. Press ENTER. The ‘SETUP’ Pageappears.
2. Press the UP/DOWN button to select ‘UNITS’. PressENTER. The ‘UNITS’ Page appears.
3. Press the UP or DOWN button and select the‘NORTH REF’ field. Press ENTER.
4. Press the UP or DOWN button to select the desiredreference. Press ENTER. Press PAGE to return tothe page of your choice.
When you select the ‘DEFAULTS’ field and pressENTER the ‘UNITS’ page returns to the factory settings.
Units ofMeasure
You can use GARMIN’S‘MapSource® Map DataCD-ROMs to downloadwaypoints, tracks, androutes.
‘MAGNETIC’ north isthe default northreference setting.
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Interface Page
The Interface Page allows you to connect and usedevices such as computers and differential GPS (DGPS)beacon receivers to the eTrex.
Input/Output Settings
The ‘Interface’ Settings Page allows you to use youreTrex with external NMEA devices, DGPS beaconreceivers, a personal computer, etc. You can choose fromseven different input/output serial data formats, or noneat all. Below is a description of each format:
•GARMIN - the proprietary format used toexchange waypoint, route, and track data with aPC.
•GARMIN DGPS - Allows DGPS input using aGARMIN beacon receiver and a standard RTCMSC-104 format and DGPS tuning.
•NMEA OUT - supports the output of standardNMEA 0183 version 2.0 data.
•TEXT OUT - allows simple ASCII text output oflocation and velocity information, without anyinput capabilities.
•RTCM IN - allows DGPS input using a standardRTCM SC-104 format without any output capabilities.
•RTCM/NMEA- allows DGPS input using astandard RTCM SC-104 format andsupports theoutput of standard NMEA 0183 version 2.0 data.
•RTCM/TEXT- allows DGPS input using a standardRTCM SC-104 format and simple ASCII text outputof location and velocity information.
•NONE - Provides no interfacing capabilities.
InterfacePage
The interface options willallow you to use a PC todownload waypoints,routes, and track logs.
NMEA stands for“National MarineElectronics Association”and RTCM stands for“Radio TechnicalCommission for MaritimeServices”. Both areinvolved in developingtechnical standards forthe marine electronicsindustry.
NOTE: Use the ‘RTCM IN’ setting if yourbeacon receiver is self-tuning.
.
F
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If ‘GARMIN DGPS’ or ‘RTCM/NMEA’ format is selected,additional fields are provided to control a GARMINdifferential beacon receiver (e.g. GBR 21) directly from youreTrex. You can enter the beacon frequency and bit rate whenyou select ‘User’ from the Beacon pop-up list to manuallytune the receiver (you can also ‘scan’ if you don’t know whatthe nearby station is, but the unit could continue scanningif reception is temporarily lost).
To select an I/O Format:
1. Press the PAGE button and switch to the ‘MENU’Page. Use the UP and DOWN button and highlightthe ‘SETUP’ field. Press ENTER. The ‘SETUP’ Pageappears.
2. Press the UP or DOWN button and select the‘INTERFACE’ field. Press ENTER. The ‘INTERFACE’Page appears.
3. Press ENTER on the ‘I/O FORMAT’ field. Press theUP or DOWN button to select the desired format.Press ENTER. Press PAGE to return to the page ofyour choice.
System Page
The System Page shows you the current softwareversion and allows you to choose from three modes ofoperation:
• Normal
• Battery Save
• Demonstration (DEMO)
Normal Mode
The GPS receiver is turned on all the time when it’s in‘NORMAL’ mode. The normal mode is more sensitive tosudden turns or change of speed/acceleration.
System Page
The System Page showsyou the software version,allowing you to updatefrom GARMIN’S web site.
A ‘BATTERY LOW’message appears at thebottom of every pagewhen there isapproximately tenminutes of battery life left.
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Battery Save
When the eTrex is in ‘BATTERY SAVE’ mode, the GPSreceiver is turned on and off alternatively to conserve power.
To select battery save mode:
1. Press the PAGE button and switch to the ‘MENU’Page. Use the UP and DOWN button and highlightthe ‘SETUP’ field. Press ENTER. The ‘SETUP’ Pageappears.
2. Press the UP or DOWN Button and select the‘SYSTEM’ field. Press ENTER. The ‘SYSTEM’ Pageappears.
3. Press ENTER on the ‘MODE’ field. Press the UP orDOWN button to select ‘BATTERY SAVE’. PressENTER. Press PAGE to return to the page of yourchoice.
Demo Mode
The ‘DEMO’ mode is designed for dealers to show thefeatures and functions of the eTrex to potential customersinside a closed building where satellite reception is notpossible. There is no navigation possible in ‘DEMO’mode.
If you select the ‘DEMO’ mode, a window appears at thebottom of the screen asking you to verify that you wantto turn the GPS off (the unit will stop tracking satellites,not power off). To do so, press ENTER.
Congratulations! You now know all there is to know aboutthe GARMIN eTrex.
Demo Mode
The DEMO mode isdesigned for GARMINdealers.
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Appendices
Appendix ASpecifications
PhysicalCase: Fully-gasketed, high-impact plastic alloy, waterproof to IPX7
standards (waterproof to 1 meter for 30 minutes)
Size: 4.4”H x 2”W x 1.2”D
Weight: Approx. 5.3 ounces (150g) w/batteries
Temperature Range: 5° to 158°F (-15° to 70°C)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 g’s
Interfaces: NMEA 0183 (versions 2.00-2.30), RTCM 104 (for DGPScorrections) andRS-232 for PC interface
Antenna: Built-In
PowerInput: Two 1.5-volt AA batteries3
Battery Life: Up to 22 hours in Battery Save mode4
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 batteriescan rupture at high temperatures. External power can only be applied using the GARMIN Auto PowerAdapter (P/N 010-10203-00) or PC Interface Cable with Auto Power Adapter (P/N 010-10268-00-thiscable 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.
39
Appendices
GPS - the Global Positioning System - is anavigation revolution. It’s a technology that pinpoints auser’s location anywhere in the world, 24 hours a day,regardless of the weather.
Designed by the United States’ Department ofDefense for use by the military, the GPS System wasmade available to civilians for use in aviation, marinesurveying and general outdoor/ recreation markets.Today, millions of people utilize the accuracy andconvenience of this amazing technology to hunt, fish,hike, fly, cruise and sail. GPS consists of a constellationof 24 satellites orbiting some 12,000 miles above theearth.
These satellites transmit signals containing time andorbital data to calculate satellite position and almanacdata. 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. Afourth signal is required to get three-dimensionalpositioning which determines elevation or altitude.
Appendix BWhat is GPS?
40
Satellite Reception Tips
The basic steps in getting the eTrex ‘ready to navigate’was covered on page 9. If the eTrex has problems withreceiving satellite signals, you will be prompted toanswer some questions. Please follow the steps that bestdescribes your situation:
A. You are trying to use the eTrex indoors:
1. The message ‘TROUBLE TRACKING SATELLITES.ARE YOU INDOORS NOW?’ will appear. Press theUP or DOWN Button and highlight ‘YES’. PressENTER. The message 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 you lastused your eTrex:
1. The message ‘TROUBLE TRACKING SATELLITES.ARE YOU INDOORS NOW?’ will appear. Press theUP or DOWN Button and highlight ‘NO’. PressENTER.
2. eTrex then asks: ‘HAVE YOU MOVED HUNDREDSOF MILES/KM SINCE LAST USE?’ Press the UP orDOWN button and highlight ‘NO’. Press ENTER.
3. eTrex asks: ‘IS TODAY dd-mmm-yy?’ If you answer‘YES’ (the date matches the current date) theeTrex will continue tracking satellites and switchto the Satellite Page.
4. If you answer NO (the date is incorrect), the eTrexwill do an ‘AUTOLOCATE’ and switch to thesatellite page. An �AUTOLOCATE� forces theeTrex to search for any available satellite(s)to determine its (your) location.
Clouds and weather donot affect the operationof the eTrex!
Appendix CReception Tips
Appendices
41
C. You are not indoors but you have movedhundreds of miles/km since you last usedyour eTrex:
1. The message ‘TROUBLE TRACKING SATELLITES.ARE YOU INDOORS NOW?’ will appear. Press theUP or DOWN button and highlight ‘NO’. PressENTER.
2. eTrex then asks: “HAVE YOU MOVED HUNDREDSOF MILES/KM SINCE LAST USE? Press the UP orDOWN button and highlight ‘YES’. Press ENTER.
3. eTrex will do an “AUTOLOCATE” and switch to theSatellite Page. This option is useful if you’verelocated 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.
Appendix CReception Tips
Appendices
42
Appendix DTime Offset
The table below gives approximate UTC time offset forvarious longitudinal zones. If you are in daylight savingstime, add one hour to the offset.
tesffOenoZlanidutignoL
21-º5.271Wotº0.081W
11-º5.751Wotº5.271W
01-º5.241Wotº5.751W
9-º5.721Wotº5.241W
8-º5.211Wotº5.721W
7-º5.790Wotº5.211W
6-º5.280Wotº5.790W
5-º5.760Wotº5.280W
4-º5.250Wotº5.760W
3-º5.730Wotº5.250W
2-º5.220Wotº5.730W
1-º5.700Wotº5.220W
0-°5.700Eot°5.700W
tesffOenoZlanidutignoL
1+°5.220Eot°5.700E
2+°5.730Eot°5.220E
3+°5.250Eot°5.730E
4+°5.760Eot°5.250E
5+°5.280Eot°5.760E
6+°5.790Eot°5.280E
7+°5.211Eot°5.790E
8+°5.721Eot°5.211E
9+°5.241Eot°5.721E
01+°5.751Eot°5.241E
11+°5.271Eot°5.751E
21+°0.081Eot°5.271E
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 (EasternStandard Time) is 5 hours behind UTC, so your offset would be -5. Adding one hourfor daylight savings would make EDT (Eastern Daylight Time) -4. Subtract an hour foreach time zone as you travel west.
Offsets for Continental U.S. would be:EST: -5 EDT: -4CST: -6 CDT: -5MST: -7 MDT: -6PST: -8 PDT: -7
Appendices
43
Appendix EWiring
Diagram
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 PC’s, 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 up tothree NMEA devices.
NMEA 0183 Version 2.0 Approved Sentences:
GPGGA, GPGLL, GPGSA, GPGSV, GPRMB,GPRMC, GPRTE, GPWPL, GPBOD
GARMIN Proprietary Sentences:
PGRME (estimated error), PGRMM (map datum),PGRMZ (altitude), PSLIB (beacon receiver control)
DGPS (Differential GPS) corrections are accepted inRTCM SC-104 version 2.0 format through the ‘Data In’line. The GARMIN GBR 21 is the recommended beaconreceiver for use with the eTrex. Other beacon receivers withthe correct RTCM format may be used, but may notcorrectly display status or allow tuning control from theGPS unit.
The eTrex may be hard-wired to a serial connectorusing the Data Cable (see page 8 for ordering information).Refer to the wiring diagram and the eTrex unit dataconnection illustrated below.
The optional PC Interface Cable (010-10206-00)allows you to connect your eTrex to a PC-compatiblecomputer’s serial port.
eTrexConnector
DataCable
Gro
und
(-)
Dat
a O
ut
Dat
a In
Pow
er (+
)
Gro
und
Dat
a O
ut
Dat
a In
Whi
te
Gre
en
Blac
k
Appendices
44
eTrex does not turn on:
1. Check to see if the batteries are installed correctly and that thebattery terminals are clean.
It takes more than 10 minutes to get a location fix:
1. There may be large obstacles overhead; move to a new locationwith a clear view of the sky.
2. See “Satellite Reception Tips” on page 40.
The pointer on the Pointer Page does not point to thedestination:
1. Navigation information is based on your movement. If you arestanding still, the information is not updating.
Since the eTrex is not a compass it cannot show you which wayyou are facing while you are standing still.
eTrex coordinates do not match the location on yourmap:
1. Check to make sure the eTrex is configured to use the samedatum as your map. See page 32.
Appendix FTroubleshooting
NOTE: The Car Power Adapter (part number010-10203-00) converts 12 VDC to 3 VDCoutput for the eTrex. This adapter is notinterchangeable with car power adaptersdesigned for the GARMIN VHF 720 and 725,GPS 170, 175, 190 and 195.
.
F
Appendices
45
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 the eTrex?No. The GPS satellites are owned by the United States Department ofDefense (DoD) and have been funded by U.S. taxpayers’ dollars.Reception of GPS satellite signals is free to everyone.
Does the eTrex work anywhere in the world and in anyweather?Yes.
How accurate is a GARMIN GPS?The eTrex is accurate to within 100 meters under the DoD-imposedSelective Availability (S/A). Without S/A, the eTrex is accurate to within15 meters. Using differential techniques, the eTrex can be as accurate as1-5 meters.
Why can’t I see the display in the daylight?
Adjust the contrast (see page 9).
Why can’t I interface my computer with the eTrex?
Make sure that you have the correct INPUT/OUTPUT format selected onyour eTrex.
What Grid Formats does the eTrex Support?hddd.dddddo (degrees, decimal degrees)hdddomm.mmhdddomm’ss.sBritish GridDutch GridFinnish KKJ27 GridGerman GridIrish GridMaidenheadMGRS (Military Grid Reference System)New ZealandQatar GridSwedish Grid
Appendix GFAQ’s
Appendices
46
Grid Formats (con’t):Swiss GridTaiwan GridUser Defined Grid
UTM/UPS (Universal Transfer Mercator/Universal Polar Stereographic)
W Malaysian R
Can I turn off the Track Log?
No. You can clear the track log, but it is always activated.
Why is the elevation on my GPS incorrect by severalhundred feet?
GARMIN GPS units have a potential position accuracy of 15 meters.This is the same accuracy available in all commercially available GPSreceivers. The accuracy of the GPS units is not only dependent upon theGPS receiver design, but also the U.S. DoD Selective Availabilityprogram (SA). Selective Availability, also known as SA, is a programthat allows the U.S. DoD to degrade the accuracy of non-military GPSsystem by as much as +/- 100 meters. At the present time, the accuracyof all commercial GPS receivers can vary Between 15 to 100 metersdepending on the level of degradation being imposed by the U.S. DoD.
Another factor that will effect the accuracy of the GPS receiver is thegeometry of the satellites in view of the GPS receiver. A poor geometrysituation can provide less accurate position readings, and thisespecially applies to GPS altitude measurements. The altitude readingon the GPS unit can vary by +/- 450 ft. depending on the level ofdegradation being imposed under SA. It is not uncommon to see thealtitude continuously drift up and down when SA is being imposed.
What does the message "NO DGPS POSITION" mean?
eTrex had a differential fix and lost it.
Appendix GFAQ’s
Appendices
47
Appendix HIndexA
Accessories................................................................ 8Auto Zoom......................................................................... 18Average Speed.....................................................................19
BBacklighting and Contrast...........................................................9Batteries........................................................................8, 37Battery Save........................................................................38Beacon Receiver................................................................35, 38Bearing...............................................................................19
CClear a Route Waypoint.............................................26Compass..................................................................12
DData Formats......................................................35Delete a Waypoint..............................................................22-23Demo Mode.....................................................................37DGPS..............................................................35, 43, 46Display Page.....................................................................31
EEdit Waypoints..............................................................22-23eTrex Buttons.....................................................................6eTrex Description.........................................................................7eTrex Features............................................................................5eTrex Registration.......................................................................1
FFCC...............................................................................................4Frequently Asked Questions....................................................45
GGetting Started...........................................................................9GOTO..........................................................................16, 17, 23GPS.............................................................................................39GPS Accuracy...........................................................................46Grid Formats............................................................................45
Appendices
48
Appendix HIndex
HHeading..............................................................19
II/O Format.............................................................35-36Interface Page...................................................................35
LLatitude/Longitude............................................................14, 21Low Battery...............................................................................36
MMap Datum.....................................................................31, 32, 33Map Display..............................................................................17Map Orientation.......................................................................18Map Page............................................................................11, 18Map Scale.................................................................................11Map Source CD........................................................................34Maps..........................................................................................31Marine Autopilot......................................................................43Mark a Waypoint.....................................................................14Max Speed................................................................................19Menu Page Basics...............................................................13Military Time............................................................................29
NNavigation ...........................................................................5, 18Nearest Waypoints Page...........................................................23NMEA ...............................................................................35, 43North reference........................................................................34
PPage Basics..........................................................................11-13Pointer Page.................................................................12, 16, 19Position Format........................................................................32
RReady to Navigate....................................................................10Review a Waypoint...................................................................22Routes.................................................................................24-26RTCM.......................................................................................35
Appendices
49
Appendix HIndex
SSatellite Page........................................................................9, 10Satellite Reception..............................................................40-41Setup Page................................................................................29Signal Strength Bar...................................................................10Software Version......................................................................36Specifications...........................................................................38Speed........................................................................................19System Page.............................................................................36
TTime Format.............................................................................29Time Offset Chart.....................................................................42Time Zones........................................................................13, 42Tracback Navigation.................................................................27Track Logs....................................................................17, 27-28Tracklog....................................................................................45Trip Odometer..........................................................................20Troubleshooting.......................................................................44
UUnits of Measure......................................................................33Units Page................................................................................31User Grid Format.....................................................................32UTC..........................................................................................30
WWarnings and Cautions..............................................................3Warranty...................................................................................50Waypoint Page.........................................................................22Waypoint Symbol....................................................................14Website................................................................................1, 32Welcome Page............................................................................9Wiring Diagram........................................................................43
Appendices
50
Warranty
Warranty
GARMIN Corporation warrants this product to be free from defects inmaterials and workmanship for one year from the date of purchase. GARMINwill, at its sole option, repair or replace any components which fail in normal use.Such repairs or replacement will be made at no charge to the customer for partsor labor. The customer is, however, responsible for any transportation costs. Thiswarranty does not cover failures due to abuse, misuse, accident or unauthorizedalteration or repairs.
THE WARRANTIES AND REMEDIES CONTAINED HEREIN ARE EXCLU-SIVE AND IN LIEU OF ALL OTHER WARRANTIESEXPRESS OR IMPLIED, INCLUDING ANY LIABILITY ARISING UNDER ANYWARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULARPURPOSE, STATUTORY OR OTHERWISE. THIS WARRANTY GIVES YOUSPECIFIC 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 RESULT-ING FROM THE USE, MISUSE OR INABILITY TO USE THIS PRODUCT ORFROM DEFECTS IN THE PRODUCT. SOME STATES DO NOT ALLOW THEEXCLUSIONS OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THEABOVE LIMITATIONS MAY NOT APPLY TO YOU.
To obtain warranty service, call the GARMIN Customer Service department(913/397.8200) for a returned merchandise tracking number. The unit should besecurely packaged with the tracking number clearly marked on the outside of thepackage, and sent freight prepaid and insured to a GARMIN warranty servicestation. A copy of the original sales receipt is required as the proof of purchase forwarranty repairs. GARMIN retains the exclusive right to repair or replace the unitor software or offer a full refund of the purchase price at its sole discretion. SUCHREMEDY SHALL BE YOUR SOLE AND EXCLUSIVE REMEDY FOR ANYBREACH OF WARRANTY.
©2000 GARMIN Corporation
GARMIN International, Inc.1200 East 151st Street, 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 9AQ, U.K.Tel. 44/1794.519944Fax 44/1794.519222
GARMIN (Asia) CorporationNo. 68, Jangshu 2nd Road., Shijr, Taipei County, TaiwanTel. 886/2.2642.8999Fax 886/2.2642.9099
All rights reserved. Except as expressly provided herein, no part of this manual maybe reproduced, copied, transmitted, disseminated, downloaded or stored in anystorage medium, for any purpose without prior written consent of GARMINCorporation. GARMIN Corporation hereby grants permission to download a singlecopy of this manual onto a hard drive or other electronic storage medium to beviewed for personal use, provided that such electronic or printed copy of thismanual contains the complete text of this copyright notice and provided further thatany unauthorized commercial distribution of this manual is strictly prohibited.
Information in this manual is subject to change without notice. GARMINCorporation reserves the right to change or improve its products and to makechanges in the content without obligation to notify any person or organization ofsuch changes. Visit the GARMIN website for current updates and supplementalinformation concerning the use and operation of this and other GARMIN products.
Website address: www.garmin.com
GARMIN is a registered trademark and eTrex is a trademark of GARMIN Corpora-tion and may not be used without the express permission of GARMIN Corporation.
April 2000 Part Number 190-00205-00 Rev. A Printed in Taiwan
owner’smanual
eTrexpersonal navigator
© 2000 GARMIN Corporation
GARMIN International, Inc.1200 East 151st Street, Olathe, Kansas 66062, U.S.A.
GARMIN (Europe) Ltd.Unit 5, The Quadrangle, Abbey Park Industrial Estate, Romsey, SO51 9AQ, U.K.
GARMIN (Asia) CorporationNo. 68, Jangshu 2nd Road., Shijr, Taipei County, Taiwan
www.garmin.com
Part Number 190-00205-00 Rev. A
