No Fish?

[liketrolling]

First make sure you up date the software
how deep was the water?
you will not see fish on top.
the DI will not work unless you are moving.
I think that the 859 CI only has the Sonar - Single Beam 200 kHz
the cone angle is not that wide.

if you had the 83 kHz you would have a lot wider cone angle

[url "https://www.youtube.com/watch?v=Ha8FwawKnsE"]https://www.youtube.com/watch?v=Ha8FwawKnsE[/url]
[url "http://www.humminbird.com/Category/Technology/Switchfire/"]http://www.humminbird.com/Category/Technology/Switchfire/[/url]
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