Okfor anyone who has an older Garmin ie one of the nuvi 660 range, I found that placing the maps on a sd card seems to have a limit of around 2GB, So for example any combination of maps or Germany does not show, so keeping the map below this limit should work perfectly.
Another add on is downloading POI points speed cams etc on to the same SD card to go along with the map (using the garmin poi loader), is another good point, again with this Garmin model it seems to have some sort of limit which I found to be around 19 or 20 POi points, with each SD card you can change the country and add the POi to that country with it.
I have learned that Garmin receivers only use the first partition of a SD card, which must be a primary partition. I use SD cards up to 64GiB in may receivers by using Control Panel ==> Administrative Tools ==> Computer Management ==> Disk Management to delete the original partition from the SD card and then first creating a slightly less than 2GiB partition for the receiver to use and make the remainder of the SD card into an operating system native format partition in which I can hold other support files. This permits me to have swappable map images that can be copied by a small laptop to the first partition. With MapSource on my laptop, that means I can make new map selections away from home.
I take it you add the additional map outside the Garmin file on the SD card?, then swap it when needed, for example I have had to split Germany to north and south around 1GB each, so both can sit on the SD card and with the aid of a computer can be changed when needed, is that correct?
I have made and use Garmin MapSource mapsets larger than 10GiB, which can not be written to a FAT32 partition as they are too large. When using a 64GiB SD in a Garmin receiver that uses a SD card, I divide the card into 2 partitions: a first partition slightly less than 4GiB for maps and other data for the receiver and the remainder of the space I make a large NTFS formatted partition for my large MapSource mapsets (the Americas, Oceania, Asia, Africa and Europe).
Simply changing the SD card when entering the country, will give me everything I need. as I often take my computer with me so any new files can be quickly added or taken away., But with a little planning 4 SD cards is more than enough for me personally., How often do we travel to more than four countries in a day., Anyway again with planning this great site will provide an custom made map to cover many countries and keeping the limit down to 2GB.
Business owners who travel regularly can save frequent destinations to the Favorites section of a Garmin nuvi GPS device. Favorites are saved to a GPS Exchange Format (GPX) file that you can access by connecting the nuvi to a computer. When you upgrade to a new GPS device, you can transfer the GPX file to the new device, saving the time it would take to re-enter the Favorites locations.
Disconnect the Garmin nuvi and then plug the second GPS device into the computer. Click Start, "Computer," the GPS device drive and then the "GPX" folder. You may need to search through the folders to find the correct location for GPX files if you're not upgrading to a Garmin device.
William Pullman is a freelance writer from New Jersey. He has written for a variety of online and offline media publications, including "The Daily Journal," "Ocular Surgery News," "Endocrine Today," radio, blogs and other various Internet platforms. Pullman holds a Master of Arts degree in Writing from Rowan University.
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