Garmin GPSMap 421s Video Manual -Topography Mapping

In this video we take a look at installing Topo maps into the GPSMap 421S. This is great for onland use and if your lake is not covered in Bluecharts or Garmin inland lakes. Garmin is the leader in GPS. They offer automotive GPS, Hiking GPS, Running GPS, Tracking GPS, Aviation GPS, Marine GPS and many more categories. Garmin products have a lot of cross compatibility hence the reason why a company like GPS City highly recommends their products. If you want the best get a Garmin from GPS City. Product Information PN: 010-00764-01 UPC: 753759095871 SKU: 421SDUAL Learn More Call Us 1-866-GPS-CITY (477-2489) Be Social with GPS City