Garmin eTrex 30 User Manual

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
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 20.
Geocaching Settings
Select Setup > Geocaches.
• Geocache List—allows you to
display the geocache list by names
or codes.

Garmin eTrex 30 Specifications

General

Outdoor (hiking, trekking)	Yes
Marine (chartplotters, sounders)	No
Routes quantity	200
Number of waypoints	2000
Form factor	Handheld
Display diagonal	2.2 \
Display resolution	176 x 220 pixels
Display number of colors	65536 colors
Display size (HxV) (imperial)	1.7 x 1.4 \
Internal memory	1740 MB
USB 2.0 ports quantity	1
Battery type	AA
Battery life (max)	25 h
Battery technology	Nickel-Metal Hydride (NiMH)
Number of batteries supported	2

Weight and Dimensions

Depth	33 mm
Width	54 mm
Height	103 mm
Weight	141.7 g