I have all Lowrance units (12 Live, 12 Carbon, 9 Live).
I was in a friends new boat and his Garmin 9SV was easy to use and figure out enough to fish.
The question I have is when on split screens - say Map / Sonar. You press sonar and the entire screen fills with Sonar.
Press the back button and you get both screens back. Press the Map side and same full map screen.
This is so cool !!!!!! My Lowrances do not do this. Am I missing something on the Lowrance units.