BearCreeks BC202, Руководство пользователя

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Overview
BC202 intelligent sonar fish finder is a directional research and development,
suitable for its matching fishing boats high precision and sensitive detection of
river, river, lake, sea and other water environment.This fish finder can also
provide with the depth of the bottom, bottom contours, water temperature,
density of fish or the depth of fish and other parameters for your reference.
How Does Sonar Work
Sonar technology is based on sound waves.
The system uses sonar to locate and define the structure,
bottom contour and composition, as well as depth directly
below the transducer. The transducer sends a sound wave
signal and determines distance by measuring the time
between the transmission of the sound wave and when the
sound wave is reflected off an object, then it uses the
reflected signal to interpret location, size, and composition
of an object.