Calibrating The Astro 220 Compass; Operating The Astro 220 - Garmin Astro Dog Tracking System Owner's Manual

Getting Started

Calibrating the Astro 220 Compass

Calibrate the Astro 220 electronic compass the first
time you use it, after periods of storage, after you install
new batteries, or when the unit has been exposed to
temperature changes of greater than 20°F (11°C).
Calibrate the compass outdoors. Hold the compass level
and away from objects that generate magnetic fields, such
as cars or buildings.
To calibrate the electronic compass:
1. On the Dog Tracker page
2. Select Calibrate Compass, and press ENTER.
3. Select Start, press ENTER, and follow the on-screen
directions.
Hold the unit
level and turn
slowly.

4), press MENU.
(page
• "Just Right," "Too Fast," or "Too Slow" appears,
notifying you to adjust your turning speed. Hold the
unit level while turning.
• When "Calibration Successful" appears, press
ENTER.
• If "Calibration Failed" appears, repeat the process.

Operating the Astro 220

The following terms are used throughout this manual:
Select–move the highlighted area on the screen up, down,
left, or right with the Rocker to select individual fields.
Field–the location on a page where data or an option can
be shown and entered. A highlighted field appears yellow.
on-screen button–an option on the screen. Use the
Rocker to select a button, and press ENtER.
Scroll bar–a bar that appears on the right side of a list
that is too long to fit on the screen. Use the Rocker to
scroll through a list. Press IN or oUt to scroll a set of
items.
Astro Dog Tracking System Owner's Manual