Which fishfinder

[lowprofile]

Originally Posted by GregAndrew

Color gives you a ton of more information if you know how to read it. The khz of a transducer does not determine the cone angle of the transducer. The cone angles of different 50,83 or 200khz transducers can be widely varied. Narrow cone angles can help you more acurately identify the location of bottom structure. Where wider cone angles may show you if there is structure/fish anywhere in the vicinity.

then what does the KHZ do? its a frequency. lower frequency will produce a wider cone and penetrate farther. higher is more dense but dissipates quicker.