Introduction to GPS
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Transcript of Introduction to GPS
Introduction to GPSIntroduction to GPS
Using the Garmin eTrex LegendUsing the Garmin eTrex Legend
GPS SatellitesGPS Satellites• Distance from EarthDistance from Earth
– ½x Earth’s ½x Earth’s CircumferenceCircumference
– 12,000 Miles12,000 Miles• 2 Orbits in 24 Hours2 Orbits in 24 Hours
– Travel 7,000 Travel 7,000 Miles/HourMiles/Hour
• Powered by Solar EnergyPowered by Solar Energy
Satellite RotationSatellite Rotation
Signal TransmissionSignal Transmission
Garmin’s eTrex LegendGarmin’s eTrex Legend
Zoom In/Out
Buttons
Find Button
Click Stick
Page Button
On/Off Button
Page ButtonPage Button• Press the Page Button several times. Press the Page Button several times.
You will see the display cycle through You will see the display cycle through the main pages that look like thisthe main pages that look like this
Satellite Page Map Page Navigation Page Trip Computer Main Menu
At any time you can press the Page Button and return to one of the Main Pages
NORTH
WEST
Main Page Menu
ButtonOptions Menu
ButtonTitle Bar
Satellite PageSatellite Page
•The bottom of the Satellite Page also shows your GPS location and elevation (After you have 4 bars)
-The N or S line shows Latitude
-The E or W line shows Longitude
Setup FeaturesSetup Features
• TimeTime– Time ZonesTime Zones– Time FormatTime Format
• UnitsUnits– Position Format Position Format
(Coordinate System)(Coordinate System)– Misc. Unit FormattingMisc. Unit Formatting
• DisplayDisplay– Contrast & BacklightingContrast & Backlighting
• SystemSystem– WAAS EnablingWAAS Enabling– LanguageLanguage– Memory UsageMemory Usage
Area CalculationArea Calculation1.1. Main MenuMain Menu2.2. AccessoriesAccessories3.3. Area CalculationArea Calculation4.4. Select “Start” and Select “Start” and
Walk Area PerimeterWalk Area Perimeter5.5. Select “Stop” After Select “Stop” After
Walking Area Walking Area PerimeterPerimeter
• Resetting Area Resetting Area CalculationCalculation– Options Menu Options Menu
ButtonButton– ResetReset
• Use Click Stick to Use Click Stick to Change Area Change Area Calculation MeasuresCalculation Measures– AcresAcres– FeetFeet– MilesMiles– Etc.Etc.
Marking a Marking a LocationLocation
1.1. Main MenuMain Menu2.2. Mark IconMark Icon3.3. Change SymbolChange Symbol
a.a. Select with Click StickSelect with Click Stickb.b. Find Desired SymbolFind Desired Symbol
4.4. Name LocationName Locationa.a. Select with Click StickSelect with Click Stickb.b. Use Drop-Down Alphabet MenuUse Drop-Down Alphabet Menuc.c. Click OKClick OK
5.5. Change LocationChange Locationa.a. Select with Click StickSelect with Click Stickb.b. Use Drop-Down Number MenuUse Drop-Down Number Menuc.c. Click OKClick OK
6.6. Select Desired OptionSelect Desired Optiona.a. OK – Save OK – Save b.b. GoTo – Navigate GoTo – Navigate c.c. Map – Maps LocationMap – Maps Location
Finding a WaypointFinding a Waypoint
1.1. Main MenuMain Menu2.2. FindFind3.3. WaypointsWaypoints
OROR
1.1. Find ButtonFind Button2.2. WaypointsWaypoints
GPS UsesGPS Uses
Wildlife MappingEnvironmental Education
Earth Science
GPS UsesGPS Uses
Tree & Plant IdentificationScience & Technology
ATV Safety
GPS UsesGPS Uses
High AdventureFishing & Canoeing
Science & Technology
GPS UsesGPS Uses
Trip PlanningRecreationSearch & Rescue
GPS UsesGPS Uses
AgricultureShooting Sports & Education
Citizenship & Community Service
and many more!!!
GeoCachingGeoCaching• Scavenger HuntScavenger Hunt• Zip CodeZip Code• AdventureAdventure• EducationalEducational• RecreationRecreation• Families and Families and
FriendsFriends• Exciting and Fun!Exciting and Fun!
www.geocaching.com
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