Installing The Batteries - Garmin Astro 220 Owner's Manual

G S
ettInG tarted

Installing the Batteries

The Astro 220 operates on two AA batteries (not
included), which are located in the back of the unit. You
can use Alkaline or NiMH batteries. See
information on setting the battery type.
To install the batteries:
1. Remove the battery by turning the
D-Ring 1/4 turn counter-clockwise
and pulling the cover loose.
2. Insert the batteries, observing
the proper polarity. A polarity
diagram is molded into the battery
compartment.
3. Reinstall the battery cover.
Remove the batteries from your Astro 220 when you do
not expect to use the unit for several months. Data is not
lost when batteries are removed.

To install the lanyard:
1. Place the loop of the lanyard through the slot at the
2. Route the strap through the loop and pull tight.
page 54 for
Battery Battery
compartment compartment
Refer to
microSD data card in the battery compartment.
upper left side on the back of the unit.
Wrist strap
installation
page 67 for information on accessing the
Astro Dog Tracking System Owner's Manual
Belt clip button
installation
(tighten the
button securely)
Belt clip