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Garmin © 2005 27 c320 Owner’s Manual
APPENDIX
Using an SD Card
The SD card slot is located on the side of the c320. To insert
or remove the card, press it in until it clicks.
Purchasing Additional MapSource Maps
You can purchase additional MapSource map data from
Garmin and download the maps to your SD card. Follow the
instructions that came with the new map data to properly
install the maps to your computer and c320. In order to enable additional maps, you need your unit ID
(see page 18) and serial number (see page i).
Using the USB Drivers and Cable
Use the enclosed installation disk to install the USB drivers onto your computer. These drivers must be
installed before you connect the USB cable to your computer. Refer to the Setup Guide for instructions.
Use the Garmin USB cable provided to connect your c320 to your computer. Before you can use your
c320, you must connect the USB cable to your PC and unit and load maps. Also use the USB cable when
updating your map data, updating the c320 software, or loading additional maps.