I'll have to see if there's an update and try again but this is pretty much a deal breaker for me and I'll just go back to my 60csx.
Definitely check your firmware version:
http://garmindakota.wikispaces.com/VersionsSoftware 3.11
* Added brightness adjustments for BirdsEye imagery.
* Improved WAAS performance.
* Improved speed, trip odometer, and stopped/moving time data fields while in low velocity. * Fixed issue with map POI's showing twice for a single point.
* Fixed elevation profiles to always use the most detailed DEM data loaded.
* Fixed future plot with tracks that have no elevations in them.
* Fixed issue with calculator % function.