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What’s on the Side Imaging Display
Side Imaging displays a number of easily recognizable features that allow for accurate interpretation of bottom contour and structure. For Side Imaging, the bottom
composition determines the intensity of the sonar return. For example, rock and gravel provide a clearer sonar return than mud and sand because of their relative
density. Upward slopes that face the transducer reflect sonar better than downward slopes that face away from the transducer. You can find a number of easily
recognizable features on the Side Imaging display that allow for accurate interpretation of bottom contour and structure, including the following items:
Depth - water depth; can be set to alarm when the water becomes too shallow.
Temperature - water surface temperature
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Speed - if a Speed accessory or GPS Receiver is attached, the 900 Series™ can display
the speed of the boat, and can keep a triplog of nautical or statute miles traveled.
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Timer - Elapsed time with Speed accessory or GPS Receiver.
The water column shows the relative depth of the
water under the boat at a given time. Variations in
the width of the water column show variations in the
distance to the bottom as the boat passes over.
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Distance - Distance traveled with Speed accessory or GPS Receiver.
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Average Speed - Average speed reading with Speed accessory or GPS Receiver.
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Shadows result from a lack of reflected sonar from a
particular area, and can be more valuable for
interpretation than the sonar reflected by the object
itself. Use shadows to help you see the image in 3
dimensions, oriented in space. You can gain insight
into the actual shape of an object, or the depth to
which it has sunk into the bottom, through shadows
on the display.
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Barometric Pressure - Requires optional-purchase WeatherSense®
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Triplog
Triplog
Topography Changes
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Bottom Return
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