I have an HDS7 and like most, I am unhappy with the preloaded map. The Lowrance website, under the 'mapping' tab offers MAPSELECT as a selection, but it only lists compatibility with handheld portable GPS models. This is essentially a program to download sat photo maps, which offer more accurate detail than anything else I have seen. I have heard some, including Cabela's salesman, say that you CAN use MAPSELECT maps with the HDS7. Can you confirm whether this is correct or not?