UPDATE
So I received the new (3rd unit) from Garmin SA, as well as a brand new SD card from T4A to see if my problems continue.
Now I am on the verge of selling this Montana if I can not figure out why I am still having problems.
I have now loaded the Maps directly to the Montana memory, made up quite a few test routes and sent them to the internal memory from the newest updated Basecamp on my Mac.
So here is what drives me up the wall...
Of the 6 routes I have sent, about 4 route fine, whilst the others give the same error, saying "no routable maps in the area"


What makes me even more crazy, is that when I send these 6 routes to an SD card, plug it into my Garmin Drive 40 street navigator, they route no problems WHATSOEVER!!! I have even got a route that starts in Swakopmund to Etosha, and when I load it, the unit quickly gives me directions from my house in PE, to the start in Swakop, and then as per my desired routing to Etosha.

So, If I do not get it sorted, the Montana is up for sale for a bargain price. Including the suction mount with intergrated speaker!!
If anyone has any thoughts, let me know.
Thanks
Grumbles
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