Optional AccessoriesIn addition to the standard accessories included with your GPSMAP378/478, several optional accessories are available to enhance theoperation of the GPSMAP 378/478.To obtain replacement parts and optional accessories, contactyour Garmin Dealer, Garmin Product Support in the U.S.A. at800/800.1020, or Garmin Europe at 44/0870.8501241.WARNING: Garmin accessories have been designed andspecifically tested for use with Garmin products. Accessoriesoffered by other manufacturers have not been tested or approvedfor use with Garmin products. Use of such accessories couldcause damage to the GPSMAP 378/478 and void the warranty.GA 29, GA 29F, and GA 26C Antennas: Garmin remote antennas.GXM 30: The XM antenna. See page 136 for subscription information.Non-Skid Friction Mount: Portable vehicle mount, no installation required.Permanent and Temporary Adhesive Disks: Adhesive disks for using the unitin a vehicle.PC Interface Cable: Connects the unit to a serial port on your PC.Power/Data Cable: Allows you to connect the unit to the electrical systemusing bare wires.Programmable Data Cards: Blank data cards available in 16 MB, 32 MB, 64MB, 128 MB, 256 MB, and 512 MB sizes. Download detailed map data fromMapSource CD-ROMs to a data card, either directly through your GPSMAP378/478 using the PC USB cable, the optional PC Interface cable, or with theoptional USB Data Card Programmer.USB Data Card Programmer: Programs blank data cards at high speedthrough a PC.Carrying Case: Protects the GPSMAP 378/478 when not in use; has storagespace for data cards.Protective Cover: Snaps on the front of the unit to protect the screen fromdamage.MapSource Software CD-ROMs: Offers several detailed mapping optionsthat are compatible with the GPSMAP 378/478, including BlueChart (outsidethe USA), Fishing Hot Spots, and Topo.Pre-Programmed Data Cards: Data cards preprogrammed with either GarminBlueChart (outside the USA), BlueChart g2, or Fishing Hot Spots map data.GPSMAP 378/478 Owner’s Manual 117APPENDIX > OPTIONAL ACCESSORIES
