650t has 100k topo, Mac has 24k topo

[rockitdoc]

How to get both the Mac and the 650t to have the same topos loaded? Here's the issue: Disconnected 650t from Mac. Created route in Basecamp using 24k topo. Works fine. But, when I connect 650t to Mac, although the 100k topo shows up under the 'Maps' pulldown on the Mac, routes come out goofy on the Mac when plotted. Must be because the 100k topo resides on the 650t, not the Mac. I must need to get the 100k too onto the Mac from the 650t and the 24k topo from the 650t onto the Mac to be able to create routes in either 24k or 100k. Any suggestions appreciated.