What resolution (dpi) should I use when scanning an image for custom maps?

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01/15/2013

There are times when the best map for a specific area or event is a printed map. Custom maps allow you to scan an image, such as a paper map, and convert it to a KMZ file to be placed on your compatible GPS. When scanning an image, you will want to use a specific resolution depending on the device.

The below list will show the device and the recommended resolution.

  • Alpha 100 - 155 dpi*
  • Astro 320 - 110 dpi
  • Colorado series - 155 dpi
  • Dakota series - 110 dpi
  • Edge 810, 800 and 510 - 110 dpi
  • eTrex 20/30 - 130 dpi
  • GPSMAP 62 - 110 dpi
  • GPSMAP 78 series - 110 dpi
  • Montana - 136 dpi
  • Oregon series - 155 dpi
  • Rino 6xx series - 110 dpi

Once the image is scanned at the correct resolution, then be sure to save it as a JPEG. View the Custom Maps webpage for step-by-step instructions.

*dots per inch

Reference Link:

Custom maps - http://www.garmin.com/garmin/cms/cache/offonce/us/onthetrail/custommaps#fragment-1

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