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 based 
on certain factors, such as the level of 
difficulty.
1. Select  Geocaches  > menu > Apply 
Filter  > Quick Filter .
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.
Creating and Saving a 
Geocache Filter
You can create and save custom filters 
for geocaches based on specific factors 
you select. After you set up the filter, 
you can apply it in the geocaches list.
1. Select  Setup > Geocaches  > Filter 
Setup > Create Filter . 
						

							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.  Select  Go.
4.  Navigate using the map ( page 16) 
or compass (page 17).
Logging the Attempt
After you have attempted to find a 
geocache, you can log your results. 
1.  Select  Geocaches  > menu > Log 
Attempt. 
2.  Select  Found, Did Not Find, or 
Needs Repair.
3.  Select an option:
• To begin navigation to a 
geocache nearest you, select 
Find Next Closest.
•  To end the logging, select  Done. 
						

							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 
http://www.garmin.com .
Enable chirp Searching
1. Select  Setup > Geocaches .
2.  Select  chirp
™ Searching > On.
Finding a Geocache with a 
chirp
1. Select  Geocaches  > menu > Show 
chirp™ Details.
2.  Begin navigating to a geocache 
(page 22). 
When you are within 33 feet (10 m) 
of the geocache that contains 
a chirp, details about the chirp 
appear. 
3.  If available, select  Go to navigate 
to the next stage of the geocache. 
						

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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 Proximity Alarm
Proximity alarms alert you when 
you are within a specified range of a 
particular location.
1. Select  Proximity Alarms.
2.  Select  Create Alarm.
3.  Select a category.
4.  Select a location.
5.  Select  Use.
6.  Enter a radius.
7.  Select  Done.
When you enter a proximity alarm 
area, the device sounds a tone   
(eTrex 20/30).  
						

							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 Calendar and 
Almanacs
You can view device activity, such as 
when a waypoint was saved, almanac 
information for the sun and moon, and 
the best times for hunting and fishing.
1.  Select an option: 
• To view device activity for 
specific days, select  Calendar.
•  To view the sunrise, sunset, 
moonrise, and moonset 
information, select  Sun and 
Moon.
•  To view the predicted best times 
for hunting and fishing, select, 
Hunt and Fish.
2.  If necessary, select ▲ or  ▼ to view 
a different month.
3.  Select a day. 
						

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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 
location, GPS accuracy, satellite 
locations, and signal strength.
Changing the Satellite View
1. Select  Satellite  > menu.
2.  If necessary, select  Track Up to 
change the view of the satellites to 
be oriented with your current track 
toward the top of the screen.
3.  If necessary, select  Multicolor 
to assign a specific color to the 
satellite in the view and to the 
signal strength bar of that satellite 
(eTrex 20/30).
Turning Off  GPS
Select Satellite  > menu > Use 
With GPS Off. 
						

							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. 
						

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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 Data Fields
1.  Select  Map > menu > Setup Map 
> Data Fields.
2.  Select a number and style of data 
fields.
Changing the Data Fields
Before you can change the map data 
fields, you must enable them ( page 28). 
1.  Select  Map > menu > Change 
Data Fields.
2.  Select a data field to customize.
3.  Select a data field type.
For data field descriptions, see   
page 47.
4.  Select  back to save the changes. 
						

							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 the device for 
geocaching and for navigating on 
water.
When you are using a  profile and you 
change settings such as data fields or  units of measurement, the changes 
are saved automatically as part of the 
profile.
Selecting a Profile
1. 
Select  Profile Change. 
2.  Select a profile.
Creating a Custom Profile
You can customize your settings and 
data fields for a particular activity or 
trip.
1. Customize the settings as necessary 
(page 28).
2.  Customize the data fields as 
necessary (page 28).
3.  Select  Setup > Profiles.
4.  Select  Create Profile > OK. 
						

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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 to http://www.garmin.com/
aboutGPS/waas.html .• 
Language—sets the text language 
on the device. 
NOTE: Changing the text language 
does not change the language of 
user-entered data or map data, such 
as street names.
•  Battery Type—allows you to 
select the type of AA battery you 
are using.
Display Settings
Select  Setup > Display.
•  Backlight Timeout—adjusts the 
length of time before the backlight 
turns off.
NOTE: To adjust the backlight 
brightness, see page 40.
•  Colors (eTrex 20/30)—sets the 
colors that display in Night and 
Day mode.
 
◦ Mode—sets a light background 
(Day), a dark background