Tonight I just downloaded the Great Lakes 24K Topographic map and it was 1.725GB file which took like 2 hours to download into the unit.....USB can be slow to download to device.
If you are trying to download the whole country Topo in 100K format you may still not be able to fit it on your unit.
I have the highest resolution Topo currently available from Garmin that covers several midwest states and it fits fine on my 2GB SD card
Stack
If you are trying to download the whole country Topo in 100K format you may still not be able to fit it on your unit.
I have the highest resolution Topo currently available from Garmin that covers several midwest states and it fits fine on my 2GB SD card
Stack