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Files on a Garmin GPS

Where to put the data best

In Basecamp put all the data (waypoints, tracks and routes) you need on the SD card. In case the device loses its index it can easily be resorted by:

  • Turn the device off
  • Remove the SDcard
  • Turn the device on and let it start fully
  • Turn the device off
  • Put the SDcard back
  • Turn the device on and let it start fully
  • Now you should have access to all the items again

See also the issues section

The more data you put on the device the longer the boot time will be.

Files and their function

  • gmapbmap.img : this is a base map (The world map that came with the GPS if nothing is changed)
  • gmapsupp.img : this is the map you can place on your GPS. You can download a map from the Openstreetmap for Garmin website
  • gmaptz.img : this is the timezone file

Custom waypoint symbol

  • Custom waypoint symbol creation and saving
  • Update BaseCamp
  • Close BaseCamp
  • Create the symbols with your favorite program. We used Gimp
    • The image must be 16×16 pixels
    • Save as Portable Network Graphics (.png) file
    • Names can be 000.png to 063.png
    • Transparency is allowed by using the RGB color Magenta (255,0,255), is hex color code: ff00ff
  • On Windows 10
    • Save the image to: C:\Users\%USERNAME%\Documents\My Garmin\Custom Waypoint Symbols
    • Start Basecamp
    • Create a waypoint
    • Check if you can change the symbol to a newly added symbol
    • Connect the Garmin device
      • Note: No more than 56 custom symbols can be saved on the device
      • Save the symbols to: This PC > Garmin [device name] (Letter:) > Garmin > CustomSymbols

Issues

Items (waypoints tracks) lost

When there should be items (like waypoints and tracks) on the device but they are not shown there might be an indexing problem.
Warning: This will erase all data and settings: How to reset your device.


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files_on_a_garmin_gps.txt · Last modified: 07-11-2021 09:36 by wim