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Old 09-03-2014, 03:13 PM
Senior Member
Join Date: Feb 2005
Location: Norway
Posts: 14,464

The 2D part of CP100 is just CHIRP in the name, performance vice it's comparable to a medium quality fixed frequency sounder. Your advice to keep DSM-300 (which I totally agree with) is supporting this. DSM-300 was a good fishfinder of the pre CHIRP era.
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