The boat is clearly displayed on the DownScan but no boat seen on the side scan.
Nice fish on the DownScan (DS) that are the same fish on the 2D sonar.
Isn't the side scan supposed to "see" out farther than the DownScan?
The DS and side scan both have wider cones than the 2D. The difference between the DS and side scan is the DS is aimed straight down like the 2D sonar and the side scan is aimed to the side so it "sees" out farther.
Sonar displays a target (fish, bottom or boats) as the distance from the transducer. The boat is 30 feet from the transducer and the bottom is 11 feet from the transducer on the DownScan screen.
The side scan range is 20 feet so the boat can't be displayed until the range is increased. That is where the boat is hiding!
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