Garmin Etrex 10,20,30 Owners Manual

							eTrex Owner’s Manual 31
Customizing Your Device
(Night), or automatically 
switches between the two based 
on the sunrise time and the 
sunset time for your current 
location (Auto).
 
◦ Day Background Color—sets 
the background image used in 
day mode.
 
◦ Day Highlight Color—sets 
the color for selections in day 
mode.
 
◦ Night Background Color—
sets the background image used 
in night mode.
 
◦ Night Highlight Color—sets 
the color for selections in night 
mode.
•  Screen Capture—allows you to 
take screen captures on the device.Setting the Device Tones
You can customize  tones for messages, 
keys, turn warnings, and alarms.
1.  Select  Setup > Tones.
2.  Select a tone for each audible type.
Map Settings
Select  Setup > Map.
•  Orientation —adjusts how the map 
is shown on the page. 
 
◦ North Up—shows north at the 
top of the page.
 
◦ Track Up—shows your current 
direction of travel toward the 
top of the page.
 
◦ Automotive Mode—shows an 
automotive perspective with the 
direction of travel at the top.
•  Guidance Text—allows you to 
select when to show guidance text 
on the map. 
						

							32 eTrex Owner’s Manual
Customizing Your Device
• Data Fields—selects the number 
and size of the data fields to display 
on the map. 
•  Advanced Map Setup —sets the 
zoom levels, the text size, and the 
detail level of the map.
 
◦ Auto Zoom—automatically 
selects the appropriate zoom 
level for optimal use on your 
map. When Off is selected, you 
must zoom in or out manually.
 
◦ Zoom Levels—selects the zoom 
level for map items. 
 
◦ Text Size —selects the text size 
for map items.
 
◦ Detail—selects the amount 
of detail shown on the map. 
Showing more detail may cause 
the map to redraw more slowly.
 
◦ Shaded Relief—shows detail 
relief on the map (if available) 
or turns off shading. • 
Map Information—allows you to 
enable or disable the maps currently 
loaded on the device. To purchase 
additional maps, see  page 11.
Tracks Settings
Select Setup > Tracks.
•  Track Log—turns track recording 
on or off.
•  Record Method—selects a track 
recording method.  Auto records the 
tracks at a variable rate to create 
an optimum representation of your 
tracks.
•  Recording Interval—selects a 
track log recording rate. Recording 
points more frequently  creates a 
more-detailed track, but fills the 
track log faster. 
						

							eTrex Owner’s Manual 33
Customizing Your Device
• Auto Archive—selects an 
automatic archive method to 
organize your tracks. Tracks are 
saved and cleared automatically 
based on the user setting.
•  Color (eTrex 20/30)—changes the 
color of the track line on the map. 
Changing the Units of 
Measure
You can customize  units of measure 
for distance and speed, elevation, and 
pressure.
1.  Select  Setup > Units. 
2.  Select a measurement type.
3.  Select a unit of measure for the 
setting.
Time Settings
Select  Setup > Time.
•  Time Format —allows you to 
select a 12-hour or a 24-hour 
display time. 
•  Time Zone—allows you to select 
the time zone for the device. You 
can select  Automatic to set the 
time zone automatically based on 
your GPS position.
Position Format Settings
NOTE: Do not change the  position 
format or the map datum coordinate 
system unless you are using a map or 
chart that specifies a different position 
format.
Select  Setup > Position Format .
•  Position Format —sets the position 
format in which a given location 
reading appears. 
						

							34 eTrex Owner’s Manual
Customizing Your Device
• Map Datum—sets the coordinate 
system on which the map is 
structured.
•  Map Spheroid—shows the 
coordinate system the device is 
using. The default coordinate 
system is WGS 84.
Heading Settings
This function is available on the   
eTrex 30. 
Select  Setup > Heading.
•  Display—sets the type of 
directional heading on the compass.
•  North Reference—sets the north 
reference of the compass.
•  Go To Line (Pointer) —allows you 
to select how the course appears. 
 
◦ Bearing (Small or Large)—
sets the direction to your 
destination.  
◦ Course (CDI)—the course 
deviation indicator displays 
your relationship to a course 
line leading to a destination.
•  Compass —switches from an 
electronic compass to a GPS 
compass when you are traveling 
at a higher rate of speed for a set 
period of time ( Auto), or turns the 
compass off.
•  Calibrate Compass—page 17.
Altimeter Settings
This function is available on the   
eTrex 30.
Select  Setup > Altimeter .
•  Auto Calibration—allows the 
altimeter to self-calibrate each time 
you turn the device on. 
						

							eTrex Owner’s Manual 35
Customizing Your Device
• Barometer Mode
 
◦ Variable Elevation —allows the 
barometer to measure changes 
in elevation while you are 
moving.
 
◦ Fixed Elevation —assumes 
the device is stationary at a 
fixed elevation. Therefore, the 
barometric pressure should 
change only due to weather.
•  Pressure Trending
 
◦ Save When Power On—
records pressure data only when 
the device is turned on. This 
can be useful when you are 
watching for pressure fronts.
 
◦ Save Always—records pressure 
data every 15 minutes, even 
when the device is turned off.  • 
Plot Type
 
◦ Elevation/Time—records 
elevation changes over a period 
of time.
 
◦ Elevation/Distance —records 
elevation changes over a 
distance.
 
◦ Barometric Pressure—records 
barometric pressure over a 
period of time.
 
◦ Ambient Pressure—records 
ambient pressure changes over a 
period of time.
•  Calibrate Altimeter —page 20.
Geocaching Settings
Select Setup > Geocaches .
•  Geocache List —allows you to 
display the geocache list by names 
or codes. 
						

							36 eTrex Owner’s Manual
Customizing Your Device
• Found Geocaches—allows you 
to edit the number of geocaches 
found. This number automatically 
increases as you log a find   
(page 22).
•  Filter Setup— page 21.
•  chirp
™ Searching—page 23.
•  Program chirp
™—programs the 
chirp accessory. See the  chirp 
Owner’s Manual at 
http://www.garmin.com .
Routing Settings
The device calculates routes optimized 
for the type of activity you are doing. 
The routing settings available vary 
based on the activity selected.  Select 
Setup > Routing.
•  Guidance Method—allows you 
to select a guidance method for 
calculating your route.
 
◦ Off Road—calculates point-to-
point routes.
 
◦ On Road For Time (requires 
routable maps)—calculates on-
road routes that require minimal 
time to drive.
 
◦ On Road For Distance 
(requires routable maps)— 
calculates on-road routes that 
are shorter in distance.
•  Calculate Routes for—allows you 
to select a transportation method in 
order to optimize your route. 
						

							eTrex Owner’s Manual 37
Customizing Your Device
• Lock On Road—locks the 
position icon, which represents 
your position on the map, onto the 
nearest road.
•  Off Road Transitions—available 
only for some activities.
 
◦ Auto—automatically routes you 
to the next point.
 
◦ Manual—allows you to select 
the next point on the route.
 
◦ Distance—routes you to the 
next point on the route when 
you are within a specified 
distance of your current point.
•  Avoidance Setup—(available only 
for some guidance methods) allows 
you to select the road type you want 
to avoid.Marine Map Settings
This function is available on the   
eTrex 20 and eTrex 30.
Select  Setup > Marine .
•  Marine Chart Mode—allows you 
to select a nautical chart or a fishing 
chart:
 
◦ Nautical—displays various map 
features in different colors so 
that the marine POIs are more 
readable. The nautical chart 
reflects the drawing scheme of 
paper charts.
 
◦ Fishing—(requires marine 
maps) displays a detailed view 
of bottom contours and depth 
soundings. Simplifies map 
presentation for optimal use 
while fishing.
•  Appearance—allows you to set the 
appearance of marine navigation 
aids on the map. 
						

							38 eTrex Owner’s Manual
Customizing Your Device
• Marine Alarm Setup
 
◦ Anchor Drag Alarm—alarm 
sounds when you exceed a 
specified drift distance while 
anchored.
 
◦ Off Course Alarm—alarm 
sounds when you are off course 
by a specified distance.
 
◦ Deep Water/Shallow Water—
alarm sounds when you enter 
water of a specific depth.
Setting up Marine  Alarms
1. Select  Setup > Marine  > Marine 
Alarm Setup.
2.  Select an alarm type.
3.  Select  On.
If necessary, enter a distance, then 
select  Done.
Fitness
For more information on optional 
fitness accessories, see page 46.
Resetting Data
You can reset trip data, delete all 
waypoints, clear the current track, or 
restore default values. 
1. Select  Setup > Reset.
2.  Select an item to reset.
Restoring Specific Settings to 
Defaults
1. Select  Setup.
2.  Select an item to reset.
3.  Select  menu > Restore Defaults. 
						

							eTrex Owner’s Manual 39
Customizing Your Device
Restoring Specific Page 
Settings
You can restore the settings for the 
map, compass, and trip computer. 
1. Open the page for which you will 
restore the settings.
2.  Select  menu > Restore Defaults.
Restoring All Default Settings
You can reset all the setup values to the 
original settings. 
Select  Setup > Reset > Reset All 
Settings > Yes.
Changing the Page 
Sequence
Before you can change the order of the 
page sequence, you must add pages to 
the sequence ( page 39).
1.  Select  Setup > Page Sequence.
2.  Select a page.
3.  Select  Move.
4.  Select the new page location.
Adding a Page
1. Select  Setup > Page Sequence.
2.  Select  Add Page.
3.  Select a page to add.
Removing a Page
1. Select  Setup > Page Sequence.
2.   Select a page.
3.  Select  Remove. 
						

							40 eTrex Owner’s Manual
Device Information
Device Information
Adjusting the Screen
NOTE: The backlight brightness may 
be limited when the remaining capacity 
in the batteries is low.
Extensive use of screen backlighting 
can significantly reduce battery life. 
1. While the device is on, press 
.
2.  Move the Thumb Stick left and 
right to adjust the brightness level.
3.  Move the Thumb Stick up and 
down to adjust the contrast level 
(eTrex 10 only).
Adjusting the  Backlight 
Timeout
You can decrease the backlight timeout 
to maximize battery power.
Select  Setup > Display > 
Backlight Timeout.
Updating the Software
Before you can  update the software, 
you must connect the device to your 
computer ( page 44).
1.  Go to http://www.garmin.com
/products/webupdater .
2.  Follow the on-screen instructions. 
NOTE: Updating the software does not 
erase any of your data or settings.
Viewing Device 
Information
You can view the  unit ID, software 
version, and license agreement.
Select  Setup > About.