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On nüvi 1xxx units it is possible to fit the whole of North America on the device if you delete unused files (especially voices). You'll have about 90MB remaining afterward. The full-size JCV file for full-screen units needs to be on the MicroSD. It won't fit internally with the map. Come 2012.40 or 2013.10 at latest the map will no longer completely fit on a 2GB device, no matter what files are removed. Use MapInstall (Included with BaseCamp) to manually transfer portions of the map to MicroSD.
For me, when this happens my upgrade path will be to use MapInstall to place just my home state on the internal memory of the device. This is to prevent a potential "No detail maps. The nüvi cannot navigate without them" error that may appear with no detail map present in internal memory. I will then install all of North America to the MicroSD card. The JCV file I will move from external memory to internal memory. If that doesn't work, then I guess I move Canada and Mexico to the MicroSD and leave the US on internal memory.
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16th December 2011, 08:33 AM #41
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You don't say what model you have, thus we don't know if your working with a model with 2, 4, or 8 GB of internal memory.
Originally Posted by theref
On the 4GB models, yes, it is possible (edit: to have NA and full JCV).
Last edited by Texas Star; 16th December 2011 at 02:58 PM. Reason: Added: to have NA and full JCV
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16th December 2011, 04:50 PM #42Senior Member
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Last edited by Strephon Alkhalikoi; 17th December 2011 at 02:28 AM.
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16th December 2011, 09:14 PM #43Junior Member
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I have a 3760 so 4gb of internal memory. Is it better to have the full Jcv installed or I can get away with the portrait smaller version? As it stands now I can have both the full map and smaller jcv on internal memory but I could not fit the full one and have only two voices installed.
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17th December 2011, 02:34 AM #44Senior Member
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The full JCV file I have is the 750+MB file. This file is specifically for units that support full-screen Junction Views. You can put it on your 3760 but you'll lose both split-screen views and portrait mode so long as the file is installed.
Stick with the file you have.
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18th December 2011, 11:06 PM #45Junior Member
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Is there a possibility that someone posts the full 3490 ASR and SID directories for NA 2012.30, just like it was done for the europe unicode 2012.30 map? Without those files voice command no longer works for addresses and cities. Thanks!
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10th January 2012, 06:20 PM #46VIP Master
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11th January 2012, 04:54 PM #47Junior Member
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Would this map fit on a etrex legend hcx? I looked on Garman's site and it looks like it would. But I know you guys know for sure.
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11th January 2012, 05:01 PM #48Member
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Hello to everybody. I am a new Garmin 3760 user and I am trying to install NA 2012.30 maps on SD card. I'd like to know which is the best 'folder' structure to create and where to put different files. I've currently downloaded unlocked img files. Here are my doubts:
1)Should img files (gmap3d.img, gmapprom.img, gmaptz.img) copied into <SD root>/Map directory?
2)Which are the proper JCV files for 3760 unit?
3)Where should JVCs files be copied to?
4)Where should *.db and *.sid files be copied to?
5)ASR shouldn't be required since are supported by 34xx devices only. Correct?
Many thanks in advance for your kind help!
Rodrigo
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11th January 2012, 05:16 PM #49Important User
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[Only registered and activated users can see links. ] -- is the same in 37xx
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ASR work in 37xx
all the infos here
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You have to navigate to get to the good.
Galaxy S5 Kitkat 4.4.2 / Nuvi1200->1250 / Nuvi3790T->34xx / Nuvi 2200 / Nuvi 66 / Oregon 600
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11th January 2012, 05:22 PM #50Member
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Catymag, thanks for the prompt reply and useful link to existing discussion threads. I will start reading through them.
I will appreciate if you can answer to a quick question. Do you think it will be possible to store ALL files related to North America on SD card only?
Internal memory contains EU map and I'd like to maintain NA content on SD.
Regards,
Rodrigo
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