No Skipping Detection
Your fishfinder integrates a high detecting technology. Real-
ly precise, it enables a "No-skipping detection".
When the sonar works, it continually samples the echo at
same interval (for your fishfinder, it is 0.06 ms). T he
continuous
signals form different sampling points. The
shorter the distance between 2 sampling points is, the more
precise your f i s h f i n d e r is. Even small size objects can be
detected.
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Echofish 820 – Installation & Operation manual