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60 Astro 320 and DC40 Owner’s Manual
Device Information
5. Bring the Astro within a few feet of
the DC 40.
6. Follow the on-screen instructions.
NOTE: The device is not compatible
with Windows
®
95, 98, Me, or NT. It is
also not compatible with Mac
®
OS 10.3
and earlier.
The device supports the following le
types:
• Files from BaseCamp
™
. Go to
www.garmin.com.
• GPI custom POI les from the
Garmin POI Loader. Go to www
.garmin.com/products/poiloader.
• JPEG photo les
• GPX geocache les
You can purchase microSD memory
cards from an electronics supplier, or
purchase preloaded map data cards
from your Garmin dealer. In addition
to map and data storage, the memory
cards can be used to store les such as
images, cartridges, geocaches, routes,
waypoints, and custom POIs.
1. Remove the battery cover by
turning the D-ring 1/4 turn
counterclockwise and pulling up.
2. Remove the batteries.
3. Slide up and pull out the metal
cover.
4. Align the metal contacts, and place
the card in the slot.