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BaseCamp and MapSource both provided the given name when scrolling though the available maps on the GPSr.  It was only while reading the SD card directory that you would find the gmapsupp.img file name.  Apparently the GPSr displayed the alias while a direct read would give the .img file name so in order to have multiple "gmapsupp.img" we are required to rename them to reflect their actual content in order to view them on the device.

Rookie analysis.  Free of charge...

Ok muddled through it.

Upload Florida Topo, go into SD card rename from gmapsupp.img to Florida Topo.
Upload Oregon Topo, go into SD card rename from gmapsupp.img to Oregon Topo.

Cannot be done through BaseCamp that I found.

I can now enable or disable Florida or Oregon Topo.

Thanks for the help maps4gps

I was under the impression that every time I write to the card it deletes the current info therefore the only way to get both maps is to send them over at the same time.  There does not appear to be a way to change the file name before sending.

Ok, used Mapsource this time.  Loaded up both maps.  Only the Florida Topo shows up on the selection menu however scrolling on the GPS map I find that the data for both states are available.

Works for me.

I'll work that in the morning.  Thanks for the lead.

I'm also not able to have any portion the Oregon or Florida Topo on the unit (Etrex 30) at the same time.  It will list one or the other but not both in the map selection area.

I was using my work machine which runs Win 7 and is 64 bit.  This was the problem.  There is a disclaimer that states if you are running a 64 bit machine you must first install a 32 bit map like "My Trails" first in order to get the Oregon map to be seen by BaseCamp.  It's a work around.... but it works.


Everything I own is 32 bit and runs Linux so it took a moment for it to dawn on me that I may be using a 64 bit machine and needed to use the work around.  Give it a shot.

Evening all, I've installed the Florida Topo without issue however the Oregon Topo will not show up in the list of available maps to display.  Both maps were installed per instructions with BaseCamp not running.  The only difference I noted was where the Oregon installer placed the files. I've attempted placing them in the same directory as the Florida Topo files wanted to be but no joy.

I've uninstalled Florida Topo and tried installing Oregon Topo alone with no success.  Can't seem to get it to work.  Florida Topo works fine.  Any thoughts?


Edited....  Never mind.  The machine I was installing from is 64 bit.  Never even crossed my mind.  Loading a 32bit installer first took care of the issue.

Nothing to see here... move along.