Does that map download keep running even when the device puts itself to sleep? I have my Garmin 1050 connected to a power cable and am downloading the European map, but I can't stop the device from sleeping and the map download seems to have to restart each time. If the download is still working in the background on the device, no worries, but if that's not the case, I don't want to have to wait for 6 hours, keeping the device awake, in order to complete the download