How to Edit Garmin Maps


You can use software programs like MapSource to download route and waypoint maps to compatible Garmin GPS devices. If you decide to alter a route map by adding or removing certain waypoints, you can also use the MapSource software to edit maps on your Garmin GPS.

Things You'll Need

  • Garmin USB data cable
  • Connect the small end of the Garmin USB data cable to the side or back of your Garmin GPS device. Plug the other end of the cable into a free USB port on your computer.

  • Double-click the MapSource software icon on your computer to open it.

  • Click "Transfer" from the top toolbar of MapSource's main page then choose "Receive From Device...". Your Garmin GPS should appear on the Device menu.

  • Check the boxes of each map data that you wish to edit under the "What to Receive" box and click "Receive." MapSource should send all the map data you checked from your GPS to the corresponding data tabs (maps,waypoints, routes and tracks) on the left side of the MapSource window.

  • Press the "Ctrl" and "R" keys on your computer keyboard to open the "Route Properties" dialogue box. Alternatively, you can click 'Edit" and 'New Route" to open the box. Highlight the route map you wish to edit.

  • Click the "Graphic Map" tab from the Route Properties dialogue box. Use the selection tool represented by an arrow to move, remove and add waypoints to edit this map.

  • Choose "OK" once done editing and exit the Route Properties dialogue box. Click "Transfer" from MapSource main page, and choose "Send to Device..." selecting your Garmin GPS.

  • Check the edited map under "What To Send" box and click "Send." MapSource sends your edited map to your Garmin GPS.

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