Astro Dog Tracking System Owner’s Manual
Getting Started
Installing the Batteries in the
Astro 220
The Astro 220 operates on two AA alkaline, lithium
or NiMH batteries (not included). See
for
information on setting the battery type.
To install the batteries:
1. Turn the D-ring ¼ turn counter-
clockwise and remove the battery
cover.
2. Insert the batteries, observing the
proper polarity.
3. Reinstall the battery cover.
Remove the batteries from your
Astro 220 when you do not expect to use
the unit for several months. When you
remove the batteries, data is not lost.
To install the wrist strap:
1. Place the small loop of the wrist strap through the slot
on the back of the unit.
2. Route the strap through the loop and pull the end of
the strap.
Belt clip button
installation (tighten
the button securely
by turning it
clockwise)
Belt clip
Wrist strap
installation
See
to install or remove the microSD data card in
the battery compartment.
Battery
Compartment
Battery
Compartment
