Owner's Manual

Astro Dog Tracking System Owner’s Manual 57
Appendix
of the microSD card.
In order to transfer map data to a microSD card, you must
install the Trip and Waypoint Manager software and the
USB cable. To transfer other data to the microSD card,
use the USB mass storage feature explained on page 57.
To transfer tracks, see page 59.
Purchase microSD cards from an electronics supplier or
purchase preloaded MapSource detailed map data cards
from your Garmin dealer. Go to
www.garmin.com/cartography/ for compatible
MapSource products.
To install or remove the microSD card:
1. Remove the battery compartment cover from the back
of the Astro 220.
2. Remove the AA batteries.
3. Slide the tray cover back to open it, then lift it to
remove or insert the microSD card.
4. Replace the batteries.
5. Slide the cover forward to lock it in place.
MicroSD card cover
Astro 220 with Batteries
Removed
MicroSD card
MicroSD card tray
To transfer Garmin MapSource map data to the
microSD card:
Follow the instructions provided with the MapSource
map data disk.
To use the USB mass storage mode:
1. Connect the Astro 220 to a computer using the USB
cable provided.
2. Press MENU > MENU > Advanced > Settings >
System > MENU > Mass Storage Mode.