Chirp Sonar Overview - Raymarine CP370 Installation Instructions Manual

CHIRP Sonar overview

CHIRP sonar produces a conical shaped beam, the coverage of the conical beam is the water column
directly beneath the vessel
Conical beam
Sonar is effective at a range of speeds. In deeper waters the CHIRP bandwidth is automatically
optimized to improve bottom lock and the detection of moving objects (e.g. fish) in the wider water
column.
CHIRP sonar screen example
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