
Originally Posted by
Humminbird_Greg
True CP, not many crappie in salty water, but I was pointing out that some fishermen still prefer to buy the NVB units. Mainly the salt water guys since their maps have not changed at all or have not changed much. I should have also pointed out that on some lakes the Navionics maps will not cover up into the shallow waters which the NVB maps may since they are based on some of the older Navionics map card data that included this.
As for the shadows we won’t know for sure until the Di software is released and it is more fully explained. My guess is that these are the same shadows shown in the left-right Si data. If I understand it right; the Di data is a blend of what is shown in the Si data. I think that if Jason were running his unit with a 30 foot Si Range that you would be able to more clearly see the shadow that that last fish crib on the (upper) left made and these would match up.
So, what you are saying is that the down imaging is just an expansion of the side image envelope using the SI crystals?
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