Garmin Etrex 10,20,30 Owners Manual

eTrex Owner’s Manual 21
Geocaches
Geocaches
A geocache is like a hidden treasure. 
Geocaching is when you hunt for 
hidden treasures using GPS coordinates 
posted online by those hiding the 
geocache.
Downloading Geocaches
1. Connect your device to a computer 
(page 44).
2.  Go to www.OpenCaching.com . 
3.  If necessary, create an account.
4.  Sign in.
5.  Follow the on-screen instructions 
to find and download geocaches to 
your device.
Filtering the Geocache 
List
You can filter your geocache list...

22 eTrex Owner’s Manual
Geocaches
2. Select items to filter. 
3.  Select an option:
• To apply the filter to the 
geocache list, select  Search. 
•  To save the filter, select  back.
After it is saved, the filter is 
automatically named. You can 
access the custom filter from the 
geocaches list. 
Editing a Custom Geocache 
Filter
1.  Select  Setup > Geocaches  > Filter 
Setup.
2.  Select a filter. 
3.  Select an item to edit.
Navigating to a Geocache
1. Select  Geocaches .
2.  Select a geocache.
3....

eTrex Owner’s Manual 23
Geocaches
• To enter a comment about 
looking for the cache or 
the cache itself, select  Add 
Comment, enter a comment, 
and select  Done.
chirp™ 
chirp programming and searching is 
available on the eTrex 30. 
A chirp is a small Garmin accessory 
that you can program and leave in a 
geocache. Only the owner of the chirp 
can program a chirp, but anyone can 
find a chirp in a geocache. For more 
information about programming a 
chirp, see the  chirp Owner’s Manual at...

24 eTrex Owner’s Manual
Applications
Applications
Sharing Data
The eTrex 30 can share information 
wirelessly. 
Your device can send or receive data 
when connected to another compatible 
device. You can share waypoints, 
geocaches, routes, and tracks.
Sending and Receiving Data 
Wirelessly
Before you can share data wirelessly, 
you must be within 10 feet (3 m) of a 
compatible Garmin device.
1. Select  Share Wirelessly.
2.  Select  Send or Receive .
3.  Follow the on-screen instructions.
Setting a...

eTrex Owner’s Manual 25
Applications
Calculating the Size of an 
Area
1. Select  Area Calculation > Start.
2.  Walk around the perimeter of the 
area you want to calculate.
3.  Select  Calculate when finished.
Using the Calculator
The device has a standard calculator 
and a degree calculator. 
1. Select  Calculator.
2.  Complete an action:
• Use the standard calculator.
•  Select  menu > Scientific to 
use the scientific calculator 
functions.
•  Select  menu > Degrees to 
calculate degrees. 
Viewing the...

26 eTrex Owner’s Manual
Applications
Setting an Alarm
If you are not currently using the 
device, you can set the device to turn 
on at a specific time.
1. Select  Alarm Clock.
2.  Select the clock numbers to set the 
time, and select  Done.
3.  Select  Turn Alarm On.
4.  Select an option.
The alarm sounds at the selected time. 
If the device is off at the alarm time, 
the device turns on and sounds the 
alarm.
Opening the Stopwatch
Select  Stopwatch.
Satellite Page
The satellite page shows your current...

eTrex Owner’s Manual 27
Applications
Simulating a Location
Before you can simulate a location, 
you must turn off GPS (page 26).
1. Select  Satellite  > menu > Use 
With GPS Off.
2.  Select  menu > Set Location On 
Map.
3.  Select a location.
4.  Select  Use. 

28 eTrex Owner’s Manual
Customizing Your Device
Customizing Your 
Device
Customizing the Main 
Menu
Select  menu > Change Item 
Order  to change the item order on 
the main menu.
Customizing Specific 
Pages
Data fields display information about 
your location or other specified data. 
Dashboards are a custom grouping of 
data that can be helpful to a specific or 
general task, such as geocaching.
You can customize the data fields and 
dashboards of the map, compass, and 
trip computer.
Enabling the Map...

eTrex Owner’s Manual 29
Customizing Your Device
Customizing Dashboards
1. Open the page for which you want 
to customize the dashboard.
2.  Select an option:
• From the map, select  menu > 
Setup Map > Data Fields > 
Dashboard .
•  From the compass or trip 
computer, select  menu > 
Change Dashboard .
3.  Select a dashboard.
Profiles
Profiles are collections of settings that 
optimize your device based on how 
you are using it. For example, your 
settings and views can be different 
when you are using...

30 eTrex Owner’s Manual
Customizing Your Device
Editing a Profile Name
1. Select  Setup > Profiles.
2.  Select a profile.
3.  Select  Edit Name. 
4.  Enter the new name.
5.  Select  Done.
Deleting a Profile
1. Select  Setup > Profiles.
2.  Select a profile.
3.  Select  Delete > Yes.
System Settings
Select Setup > System.
•  GPS—sets the GPS to Normal, 
WAAS/EGNOS (Wide Area 
Augmentation System/European 
Geostationary Navigation Overlay 
Service), or Demo Mode (GPS 
off). For information about WAAS, 
go...