Garmin Oregon 400t - Manual (Page 47)

Oregon Series Owner’s Manual 39
Appendix
Loading and Deleting
Files
You can use the Oregon as a USB
mass storage device, and you can
purchase a separate microSD card
for additional external memory.
noTe: The Oregon is not
compatible with Windows ® 95,
98, Me, or NT. It is also not
compatible with Mac ® OS 10.3 or
earlier.
To load a file onto the Oregon or
microSD card:
1. Remove the battery cover and
insert a microSD card ( page 37 ).
2. Connect the USB cable to the
Oregon and your computer.
3. Copy the file from your computer.
4. Paste the file into the Garmin or
the microSD card/volume.
To delete a file from the Oregon
or microSD card:
1. Open the Garmin or SD card
drive/volume.
2. Highlight the file and press the
Delete key on your computer
keyboard.
CAUTIon: When deleting files,
do not delete pre-programmed
map data (files that end with
“.img”). It is not recoverable.
Optimizing Battery Life
Use premium batteries for optimal
performance and maximum
battery life. The best performance
is provided by lithium batteries,
precharged (ready-to-use) NiMH
batteries, and NiMH rechargeable
batteries less than one year old with
a capacity greater than 2500 mAh.