City Navigator North America 2026.10 FID 12700

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Newman01
  • Newman01
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  • Joined: Mon Sep 30, 2019 12:39 am

Re: City Navigator North America 2026.10 FID 12700

Fri Mar 14, 2025 1:21 am

After I save a gmapsup1.img map in the Garmin directory on the memory card, should I be able to see it on the list of available maps on the nuvi Map Info page? My nuvi 760 doesn't list a map if it's named gmapsup1.img, but it has no problem seeing and using a map if the map is named gmapsupp.img or gmapprom.img.

I saved the new Eastern US map named gmapsupp.img onto the memory card. If I rename the new Western US map to gmapprom.img and save it in NVRAM (replacing the existing gmapprom.img), then select both maps on the nuvi Map Info page, would the nuvi be able to use both maps when calculating routes? I occasionally travel back and forth across the boundary dividing the two maps. Thanks in advance.
 
GarminNuvi
  • GarminNuvi
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Re: City Navigator North America 2026.10 FID 12700

Fri Mar 14, 2025 3:02 am

Newman01 wrote:would the nuvi be able to use both maps when calculating routes?

Your device can use an SD card up to 32Gb why not try using the split as Garmin did and put the smaller Canada & Mexico (D9644090A).rar - 859.9 MB on the device named gmapprom.img and US(D9643090A).rar - 2.4 GB on your SD card in the Garmin folder renamed gmapsupp.img, then you won't have any problems calculating routes over the split made for devices with a 2Gb file size limit.
 
Newman01
  • Newman01
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Re: City Navigator North America 2026.10 FID 12700

Fri Mar 14, 2025 5:14 am

GarminNuvi wrote:and US(D9643090A).rar - 2.4 GB on your SD card in the Garmin folder renamed gmapsupp.img, then you won't have any problems calculating routes over the split made for devices with a 2Gb file size limit.


Thank you, but I don't understand your suggestion. How can I use the US(D9643090A).rar map (2.4 GB compressed, 3.5 GB decompressed) on my device which has a 2 GB file size limit? Also, I don't need the Canada and Mexico maps. I only travel across the Eastern US/Western US boundary, and each of those maps is about 1.7 GB decompressed.
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