Garmin 20x. 30 User Manual

Page of 60
eTrex Owner’s Manual 
43
Device Information
Data Management
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. 
File Types
The device supports these file types.
•   Files from BaseCamp
 or 
HomePort
Go to 
.
•   GPI custom POI files from the 
Garmin POI Loader
•   GPX geocache files
Installing a microSD Card
The eTrex 20x and eTrex 30x can 
use microSD cards for additional 
storage. Also, some maps are available 
preloaded on memory cards. Go 
information.
1.  Turn the D-ring counter-clockwise, 
and pull up to remove the cover.
2.  Remove the batteries or battery. 
3.  Slide the card holder 
 toward 
the bottom of the device and lift 
up, as instructed in the battery 
compartment.