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Author Topic: How to install a map on a GPSMAP that doesn't have a USB port?  (Read 521 times)

93ToyTruck

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How to install a map on a GPSMAP that doesn't have a USB port?
« on: January 02, 2017, 02:00:31 PM »
How do you install a custom map onto a Garmin GPS that doesn't have a USB port?

A GPSMAP 7607 has an SD card slot but no USB. If MapInstall is used to install a map into an SD card, it puts the map into the Garmin directory with GMAPSUPP.IMG as the name. The 7607 doesn't recognize the file. I think it needs to go into the Map directory with the name of the map as the file name. Is there a way to make MapInstall use the new format when installing to an SD card?

Thanks in advance.

popej

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Re: How to install a map on a GPSMAP that doesn't have a USB port?
« Reply #1 on: January 03, 2017, 04:39:07 AM »
I think any Garmni device supports map as \Garmin\gmapsupp.img on SD. Most probably map, that you are trying to use, is not supported by marine GPS.

Boyd

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Re: How to install a map on a GPSMAP that doesn't have a USB port?
« Reply #2 on: January 03, 2017, 04:57:22 AM »
You also need to be sure that the SD card is formatted as FAT32. And some older devices may not support SDHC cards (or will require a firmware update to recognize them).

Red90

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Re: How to install a map on a GPSMAP that doesn't have a USB port?
« Reply #3 on: January 04, 2017, 07:38:21 AM »
I think any Garmni device supports map as \Garmin\gmapsupp.img on SD. Most probably map, that you are trying to use, is not supported by marine GPS.

I'm pretty sure that Nuvis and such won't see a map in that location.  They need to be in the MAP directory.  Try moving the file there and see what happens.

You could always read the manual or ask Garmin....

Boyd

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Re: How to install a map on a GPSMAP that doesn't have a USB port?
« Reply #4 on: January 04, 2017, 08:29:58 AM »
I'm pretty sure that Nuvis and such won't see a map in that location.  They need to be in the MAP directory.

I think this is model-dependent. I remember my Nuvi 3790 (circa 2010) would not recognize a gmapsupp.img file in the Garmin directory of internal storage. But it would recognize the same file in the Garmin directory on a memory card. I have been told that newer Nuvi series will recognize them in both places however.


popej

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Re: How to install a map on a GPSMAP that doesn't have a USB port?
« Reply #5 on: January 04, 2017, 12:28:06 PM »
\Garmin\gmapsupp.img on SD

I'm pretty sure that Nuvis and such won't see a map in that location.
Just try. I think this is a standard file for any map sold on SD and that's good reason to support it on all devices.

93ToyTruck

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Re: How to install a map on a GPSMAP that doesn't have a USB port?
« Reply #6 on: January 05, 2017, 10:28:28 AM »
I have a Nuvi 50. If I install the map onto an SD card without the GPS attached, it makes \Garmin\gmapsupp.img. The Nuvi 50 displays the map but doesn't apply the custom TYP file.

The GPSMAP 7607 doesn't see the map when it's \Garmin\gmapsupp.img. I'll try the Map directory. I was hoping that there was some sort of signature file to get MapInstall to install the map in the format expected by the GPS. It's a new GPS so I would expect it to use the map name as the file name.

Thanks for the input.

popej

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Re: How to install a map on a GPSMAP that doesn't have a USB port?
« Reply #7 on: January 05, 2017, 11:12:25 AM »
What map is it? Not all maps are supported by marine GPS, most free maps compiled for outdoor or car are simply ignored.

93ToyTruck

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Re: How to install a map on a GPSMAP that doesn't have a USB port?
« Reply #8 on: January 05, 2017, 03:43:26 PM »
It's a map that I created using a licensed copy of Cgpsmapper. I've got at least 1,000 people using it and this is the first compatibility issue I've hit. Everything else installed via USB cable.

popej

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Re: How to install a map on a GPSMAP that doesn't have a USB port?
« Reply #9 on: January 06, 2017, 03:49:39 AM »
Map compiled with cGPSmapper should be supported by chartplotters, if you use in source header a line like:
Marine=B
Marine=X

Newer devices require Garmin's copyright inside img to accept a map.

If you insert SD while GPS is on, don't you get any message?

 

anything