This card reader plugs into a USB port on a computer and allows your computer to read SD and MMC cards. This will allow you to update the software on your unit by visiting My Humminbird in the Support section.
The Advanced Accessory System PC Connection Kit includes: PC Serial Port Cable with DB9 Connector, 9V Power Cable and detailed instructions. The PC Connection Kit requires: PC Serial Port, 2-9V Batteries, HumminbirdPC Software (see the Support section for details.)
