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Garmin eTrex 20 User Manual

Garmin eTrex 20
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owners manual for use with models 10, 20, 30 33
Customizing Your Device
EN
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
xed 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 18.
Geocaching Settings
Select Setup > Geocaches.
Geocache List—allows you
to display the geocache list by
names or codes.

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Garmin eTrex 20 Specifications

General IconGeneral
Outdoor (hiking, trekking)Yes
Marine (chartplotters, sounders)No
Routes quantity200
Number of waypoints2000
Form factorHandheld
Display diagonal2.2 \
Display resolution176 x 220 pixels
Display number of colors65536 colors
Display size (HxV) (imperial)1.7 x 1.4 \
Internal memory1740 MB
USB 2.0 ports quantity1
Battery typeAA
Battery life (max)25 h
Battery technologyNickel-Metal Hydride (NiMH)
Number of batteries supported2
Weight and Dimensions IconWeight and Dimensions
Depth33 mm
Width54 mm
Height103 mm
Weight141.7 g

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