Garmin International Inc 01748 Manuel D’Utilisation
Astro and DC 40 Owner’s Manual
Appendix
3. Push in and slide down the metal
cover.
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 to a computer
using the USB cable provided.
2. Press MENU > MENU >
Advanced > Settings > System >
MENU > Mass Storage Mode.
3. Observe an Eject
icon shown
on a Windows
®
computer system
tray or a storage-device icon for
the microSD on a Macintosh
®
computer.
4. Double-click on My Computer
(Windows computer) to observe a
new Removable Disk Drive listed.
NOTE: If you have several network
drives mapped to your computer,
Windows may experience difficulty
assigning a drive letter for your
Astro microSD card. Either log on
without connecting to the network
or, from Windows Explorer, click
Tools > Map Network Drive
and remap a drive letter for the
Astro removable storage device.
For more information, refer to the
Windows Help system.
If you are using a Macintosh
computer, double-click on the icon
to view the directory of files.
To view information for the
microSD card:
Prior to downloading data to the
microSD card, press MENU >
View Card Info to view data-card
storage information.