Nuvi 270 not recognising OSM map or route
I've recently bought myself a Nuvi 270 off ebay, cheap as chips. Thanks to the OSM sticky on here I have also managed to instal Mapsource on my laptop and download a few OSM maps from the NL site. I have saved one of the OSM maps (img file) to an sd card and have also saved a gpx route to the card. The img file is in a folder called Garmin. When mapsource sent my route to the sd card it created a folder inside the Garmin folder called GPX and the route is in here, so: Garmin/GPX/userdata.gpx
The Nuvi has European and N American maps installed on the unit. They are not the latest version but that doesn't matter to me.
When I insert the sd card into the Nuvi it doesn't recognise it.
Am I doing something wrong? When I go into the menu on the unit I can see both the Europe and N America maps but not the OSM map or route. I thought I'd be able to select the route and get the Nuvi to follow it?
Any advice appreciated.
Dave
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