BDS

BOTTOM DISCRIMINATION (BDS)

SEE WHAT'S ON THE SEAFLOOR

We know knowledge of the seabed can be extremely helpful when you’re looking for fishing grounds. It’s also very useful when you’re looking for good spots in which to anchor. The good news is, Bottom Discrimination gives you detailed and valuable information on the make-up of the seafloor. It identifies the seafloor as one of four categories:

• Rocks
• Gravel
• Sand
• Mud

KNOW WHEN THE SEAFLOOR CHANGES

The Bottom Discrimination (BDS) is unique to FURUNO. You’ll find it’s an ideal tool when you want to know what the bottom composition is. Locating the exact spot where bottom composition changes will often help you to identify the perfect habitat for fish like snapper or hapuka.

EASY-TO-READ DISPLAY

With the DFF1 or BBDS1, NavNet can show you the Bottom Discrimination information from the depth sounder echogram. The four categories (rock, gravel, sand or mud) are displayed in easy-to-read colour graphics. There are two Bottom Discrimination display modes for you to choose from:

GRAPHIC MODE

The standard graphic display shows you the most probable bottom composition by graphics in four colours.

PROBABILITY MODE

The probability display mode shows you the most probably bottom composition in graph form.

HOW TO GET THE MOST FROM YOUR BOTTOM DISCRIMINATOR SOUNDER

1) Use at a depth of 5m - 200m (DFF1-UHD), 5m - 100m (BBDS1)
2) Use transducer in transom mount or thru-hull mount
3) To show a consistent display of the actual bottom, set the range display of the Fish Finder screen to ‘auto’.
4) Enter the ship’s draft value
5) Use a ship speed of 10 knots or less

NOTE: In some instances, the bottom composition indicated on the display may differ from the actual bottom structure.

BOTTOM DISCRIMINATION IS AVAILABLE ON:

FCV627FCV587GP1670FGP1870FDFF1-UHDBBDS1

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