Map requirements for Drive 61 GPS

**Cnfhbr** · 6th March 2020, 07:07 AM

@mpilihp

If your custom map is created correctly and it's not unicode, it should be displayed on any automotive device without patching the firmware.
Have you tried opening your custom .img in BaseCamp?

**mpilihp** · 6th March 2020, 01:36 PM

Hi I do not have BaseCamp but if its a free download Ill try it, I use MapSource which does display the map area (a square) and when zoom in the actual trails too when it is imported into MapSource from GPX2IMG but it is not the img file. The file generated is a gmapsupp.img which I assume the same img file type you are talking about.

Originally Posted by Cnfhbr

What kind of warning does your Drive 61 issue when trying to load such a custom map?
Could you give an example of any such custom map to analyze the reasons for its rejection?

Hi yes I can send you an example if you were interested in looking at it. Thank You for the offer.

~ Phil

**mpilihp** · 7th March 2020, 01:36 AM

Hi so I installed BaseCamp, not familiar with it but this is what I did.

First I tried to open the .img file that I have saved on my PC from the SD card MapSource installed it on and Base Camp does not appear to support opening that file type.

Next I connected my Garmin to the PC via USB and said receive from device and it imported the map from the GPS and I could select the map in BaseCamp and the trails are on it. So the only thing I can think of that is causing the issue with my maps is I am selected to create an IMG file from both a TOPO map and my trails GPX files and I wonder if the topo map is being layered over my gpx trails file is that possible?

Otherwise I wonder if the GPS is like the Drive 61 models that the firmware only allow displaying Garmin map files...

Thanks ~ Phil

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