Garmin eTrex 20 User Manual

owner’s manual for use with models 10, 20, 30 5
Getting Started
EN
Battery Information
WARNING
The temperature rating for the
device (-4°F to 158°F, or -20 to
70°C) may exceed the usable range
of some batteries. Alkaline batteries
can rupture at high temperatures.
NOTICE
Alkaline batteries lose a signicant
amount of their capacity as
temperature decreases. Therefore,
use lithium batteries when
operating the device in below-
freezing conditions.
Installing AA Batteries
The device operates on two AA
batteries. You can use alkaline,
NiMH, or lithium batteries. Use
NiMH or lithium batteries for best
results.
1. Turn the D-ring counter-
clockwise, and pull up to remove
the cover.
2. Insert the batteries, observing
polarity.
3. Replace the battery cover, and
turn the D-ring clockwise.
4. Hold .
5. Select Setup > System >
Battery Type.
6. Select Alkaline, Lithium, or
Rechargeable NiMH.

Garmin eTrex 20 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