With the Panoptix Down transducer, you can actually see fish and bait swimming around under your boat in real time, even while stationary. You get 3 remarkable views: LiveVü Down, RealVü 3-D Down and RealVü 3-D Historical.LIVEVÜ DOWN: Provides real-time moving sonar images. You can see fish swimming toward or away from the boat. You can see small baitfish and large target fish swimming around, even your lure.; REALVÜ 3-D DOWN: Allows your boat to be stationary and still see things in 3-D around your boat. It shows history of only 1 sweep.; REALVÜ 3-D HISTORICAL: Used for finding fish while your boat is moving. This shows the entire water column you have passed over in 3-D, from the bottom of the surface and all of the fish in between.