Connecting Your GPSMAP 276C to a ComputerYou can connect your GPSMAP 276C to your computer using thesupplied USB cable to connect to a USB data port or the optional PCInterface cable to connect to a DB-9 serial communications port.NOTE: Fully install the supplied MapSource program, Trip &Waypoint Manager, on your computer before connecting the USBcable to the computer.USB Data Port on Your PCSerial Communications PortUSB connectorunder weathercapTo connect your GPS to your computer:1. Connect the small end of your cable to the lower connectoron the back of the GPSMAP 276C, shown in the illustrationto the left.2. When using the supplied USB Data Cable, connect the largerend of the cable to an available USB data port (see theillustration on the left).When using a PC Interface Cable, connect the larger end ofthe cable to a serial communications port on your computer(see illustration on the bottom left).Information About USB DriversThe USB drivers should have been automatically installed when youinstalled the MapSource program that came with your GPSMAP276C. When you initially connect the GPSMAP 276C to a USBport, your computer might prompt you to locate the destination ofthe drivers for the device. You only need to install the drivers once.After the drivers are installed, your computer will always detect yourGPSMAP 276C when it is connected. USB drivers might be updatedperiodically. You can find these updates at www.garmin.com.104 GPSMAP 276C Owner’s ManualAPPENDIX > INSTALLATION INFORMATION
