How many map segments can I load to my automotive device?

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01/15/2014

When using MapInstall or MapSource to send mapping to a device, each map item selected is called a map segment or a map set. You can select multiple map segments and send them all at once to a device or a memory card.

Although other devices have a limit to the number of total map segments they can read, automotive devices do not. When sending maps to an automotive device, you are only limited by the following:

  • Total available memory on the device, if sending directly to the device
  • Total available memory on the SD card, if sending directly to a memory card1
  • MapSource and MapInstall limitations2

1 Some devices will not be able to read a file that is larger than 2GBs but are able to read an SD card larger than 2GBs. For more information, review the following article: Why are certain devices not compatible with newer mapping products?

2 Currently MapSource and MapInstall will only allow you to send a maximum of 4GB of map data at a time. This means that although there is no limit to the number of map segments a device can receive or read, you may still only send up to 4GB of data at any one time.

Links referenced in this article:
http://support.garmin.com/support/searchSupport/case.faces?caseId=%7bb4b6e4a0-f1af-11df-ea12-000000000000%7d

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