I was clearly seeing something different than you and I think it was the link. It doesn't go to what I was seeing it defaults back farther.
So try this...
http://www.navionics.com/Default.asp
Click on the USA.
Click on Lake Maps and then Hot Maps Platinum.
Then click on features and it should show a boat in the pic on the left and a 3D view on the right that you can click on the arrows at the bottom and see what it looks like full. There are other pics in that too, but one is the D shot.
I hope this works,
Skip
Finally got there. Not available for 797. Hmmmm.
Thanks for the heads up.
Tom
Member BS Pro-Staff and Billbob Pro-Staff
Proud Member of Team Geezer... authorized by: billbob and "G"