Owner's Manual
Page 34
... an SD Card The SD card slot is necessary when updating your SD card. These drivers must be installed before you connect the USB cable to your computer and c340. To insert or remove the card, press it in until it clicks. Follow the instructions that came with the new map ...data to properly install the maps to your unit ID (see page 21) and serial number (see page i). This is located on your c340 are protected from Garmin and download the maps to enable additional maps, you cannot accidentally delete them. APPENDIX Using an SD Card You can purchase additional MapSource map data...
... an SD Card The SD card slot is necessary when updating your SD card. These drivers must be installed before you connect the USB cable to your computer and c340. To insert or remove the card, press it in until it clicks. Follow the instructions that came with the new map ...data to properly install the maps to your unit ID (see page 21) and serial number (see page i). This is located on your c340 are protected from Garmin and download the maps to enable additional maps, you cannot accidentally delete them. APPENDIX Using an SD Card You can purchase additional MapSource map data...