85eTrex Vista CAppendixConnecting the eTrex Vista Cto a ComputerUniversal SerialBus (USB) PortLift CoverInterfacing the eTrex Vista CThe eTrex Vista C is provided with interface connection to a PC usingthe USB connector cable provided with the unit. Connection to yourcomputer is necessary for downloading of detailed map from GarminMapSource Map Data CDs. You can also save routes, waypoints, andtracks from the eTrex Vista C to MapSource. Refer to the MapSourceUser’s Guide provided with your MapSource CDs.Before you begin communication between your PC and the eTrexVista C you must install the USB drivers contained in the MapSource Tripand Waypoint Manager CD-ROM. Follow the installation instructionsprovided with the CD-ROM and install the USB drivers.T o connect to your computer using the USB connector:1. Install the MapSource Trip and Waypoint Manager CD-ROM pro-vided with your eTrex Vista C on your PC. USB drivers, requiredfor USB interfacing to the eTrex Vista C are installed when yourun the CD-ROM. Do not connect the USB cable until these driv-ers have been installed (see note on page 3).2. Lift the USB protective cover from the back of the eTrex VistaC and insert the smaller connector on the USB cable into thematching port.3. Connect the remaining cable end to your PC USB port.When connected to a PC, the USB cable provides auxiliarypower to the eTrex Vista C to conserve batteries.