I loaded EUR maps onto a US model 700.

Instead of horizons, it shows 'damaged' map images at the horizon.

Is this a known bug? can it be solved?

 

The top quarter or so is all jagged

has this got to do with this DEM file I'm reading about?

 

it has the same problems on US maps as well

 

edit:

What I mean is asky showing... like here: