Furuno BBDS1 Black Box Sounder Module Product Description

Furuno BBDS1 Black Box Sounder Module - Advanced Bottom Discrimination Network Fishfinder

Revolutionize your fishing success with the Furuno BBDS1 Black Box Sounder Module, featuring breakthrough bottom discrimination technology that analyzes and categorizes seafloor composition into mud, sand, gravel, and rock. This professional network fishfinder integrates seamlessly with NavNet 3D and NavNet TZtouch systems, combining advanced sonar capabilities with Furuno Digital Filter (FDF) technology for superior fish detection and bottom analysis.

Revolutionary Bottom Discrimination Technology

• Four-Category Bottom Analysis: Precisely identifies mud, sand, gravel, and rock by analyzing echo characteristics
• Dual Display Modes: Standard Mode shows most probable bottom type, Probability Mode displays proportional bottom composition
• Furuno Digital Filter (FDF): Advanced noise reduction and digital auto-tuning for crystal-clear sonar images
• ACCU-FISH™ Technology: Fish size analyzer function for accurate target identification
• Network Integration: Seamless connection to NavNet 3D and TZtouch systems via LAN cable

Technical Specifications

Operating Frequency: 50/200 kHz (alternately transmitted)

Output Power: 600W / 1kW selectable

Power Supply: 12-24 VDC: 1.1-0.4A (at 1kW output)

Maximum Range: 2,500 feet (760 meters)

Operating Temperature: -15°C to +55°C

Relative Humidity: 93% at 40°C

Waterproofing: IP20 (not waterproofed - indoor installation)

Weight: 6.7 pounds

Advanced Bottom Discrimination Features

Bottom Analysis Capabilities:

• Mud Detection: Fine particle analysis for soft bottom identification
• Sand Classification: Medium-grain bottom structure recognition
• Gravel Identification: Coarse particle size and density analysis
• Rock Detection: Hard bottom surface and structure evaluation

Required Operating Conditions:

• Detection Range: 5-100 meters depth for optimal discrimination
• Speed Limitation: 0-10 knots for accurate bottom analysis
• Transducer Mounting: Thru-hull or transom mount only (no in-hull transducers)
• Software Requirement: MFD8/12/BB software v2.06 or later

Intelligent Display Modes

Standard Mode:

• Displays most probable bottom material identification
• Available in graphic mode or 4-color bar display
• Clear, definitive bottom type indication
• Ideal for quick bottom assessment

Probability Mode:

• Shows proportional composition of potential bottom materials
• 4-color bar displays percentage likelihood of each material type
• Useful for mixed or transitional bottom compositions
• Provides comprehensive bottom analysis data

Bottom Discrimination Compatible Transducers

Recommended Transducers for Full Bottom Discrimination:

• 520-5PSD: 600W Plastic Thru-hull
• 520-5MSD: 600W Bronze Thru-hull
• 525-5PWD: 600W Transom Mount
• 525STID-MSD: 600W Bronze Thru-Hull Multi Sensor
• 525STID-PWD: 600W Transom Mount Multi-Sensor
• CA50/200-12M: 1kW Bronze Thru-Hull (requires MB1100)
• CA50/200-1T: 1kW Rubber Coated (requires MB1100)

Important Performance Notes:

• In-hull or "shoot-thru" transducers disable bottom discrimination functionality
• Standard fishfinder operation available with all compatible transducers
• Thru-hull or transom mounting required for discrimination accuracy
• Appropriate transducer selection critical for optimal performance

NavNet System Compatibility

Compatible Systems:

• NavNet 3D: Full integration with MFD8, MFD12, and Black Box systems
• NavNet TZtouch: Complete compatibility with all TZtouch displays
• NavNet TZtouch2: Advanced integration with next-generation displays

Network Features:

• 5-meter LAN cable included for network connection
• Share sonar data across all connected NavNet displays
• Seamless integration with navigation and radar systems
• Multi-station viewing capability

Incompatible Systems:

• NavNet 1 systems
• NavNet vx2 systems

Installation Guidelines

• Mounting Location: Indoor installation only (IP20 rating)
• Ventilation: Adequate airflow required for cooling
• Cable Management: Plan routing for power, network, and transducer cables
• Transducer Selection: Choose compatible discrimination transducer for full functionality
• Network Planning: Integrate with existing NavNet infrastructure
• Power Requirements: Ensure adequate 12-24V DC power supply capacity

Professional Fishing Applications

• Structure Fishing: Identify rocky bottom areas and underwater structures
• Soft Bottom Species: Locate muddy areas for flatfish and bottom feeders
• Transition Zones: Find productive areas where bottom types change
• Bait Location: Understand bottom composition preferred by baitfish
• Anchor Selection: Choose optimal holding ground based on bottom type
• Commercial Fishing: Map fishing grounds for species-specific targeting

Why Choose Furuno BBDS1?

• Proven Technology: Furuno's 75+ years of marine electronics expertise
• Scientific Accuracy: Advanced echo analysis algorithms for precise bottom identification
• Network Integration: Seamless connectivity with existing NavNet systems
• Dual Functionality: Traditional fishfinder plus bottom discrimination in one unit
• Professional Grade: Commercial-quality construction and performance
• Future-Proof: Network-based design supports system expansion

Frequently Asked Questions

How accurate is the bottom discrimination feature?

The BBDS1 uses advanced echo analysis to categorize bottom types, but results may occasionally differ from actual composition. Performance is optimal with proper transducer selection and within the recommended depth range of 5-100 meters.

Can I use in-hull transducers with the BBDS1?

No, bottom discrimination functionality requires thru-hull or transom-mounted transducers only. In-hull transducers will disable the discrimination feature due to signal attenuation and power requirements.

What happens if there's a large fish school under the boat?

Large fish schools can interfere with bottom discrimination by blocking echoes from the seafloor. The system may show incorrect results when insufficient bottom echoes are received due to fish interference.

Is the BBDS1 compatible with older NavNet systems?

The BBDS1 is not compatible with NavNet 1 or NavNet vx2 systems. It requires NavNet 3D, NavNet TZtouch, or NavNet TZtouch2 systems for proper operation.

What materials can the system detect besides the four main categories?

Materials like shell, coral, or sunken ships are categorized as the most similar material from the four main types (mud, sand, gravel, or rock) based on their reflected echo characteristics.

Model Number: BBDS1

UPC: 611679335371

Manufacturer: Furuno

Category: Marine Navigation & Instruments | Network Cables & Modules

Furuno BBDS1 Network Fishfinder

The BBDS1 is a network fish finder for NavNet 3D and NavNet TZtouch that features an updated bottom discrimination function, as well as the FDF (Furuno Digital Filter) capability of the DFF1. The BBDS1 determines the bottom structure and separates them into the following categories: mud, sand, gravel, and rock. This is achieved by analyzing echo characteristics from the bottom components such as particle size and hardness.

Connect the BBDS1 to your NavNet 3D or NavNet TZtouch network and get ready for your NavNet system to provide you with valuable information to locate rich fishing grounds, boosting your catch.

There are two bottom discrimination display modes to select from, Standard Mode and Probability Mode. In Standard Mode, the most probable materials on the bottom (mud, sand, gravel or rock) are indicated in either graphic mode or a 4-color bar on the bottom of the display.

Because bottom material can change frequently and can sometimes be difficult to identify, Probability Mode shows you what material the bottom has the greatest chance of consisting of by displaying the possible bottom materials proportionally within the 4-color bar.

Standard Features

• Frequency: 50/200 kHz alternately transmitted
  
• Output Power: 600 W/1 kW
  
• Power Supply: 12-24 VDC: 1.1-0.4 A (in output power of 1 kW)
  
• Temperature : -15° to +55° C (in operation)
  
• Relative Humidity: 93% at 40°C
  
• Waterproofing: IP20 (not waterproofed)

Required Conditions for Bottom Discrimination

• Detection Range: 5-100M
  
• Boat Speed: 0-10 kn
  
• Transducer mounting: Thru-hull or transom mount only
  
• MFD8/12/BB software: v2.06 or later

Notes:

• The result shown by this function may sometimes be different from the actual bottom components.
  
• For best performance, do not use in-hull mounted transducers with the BBDS1.
  
• The BBDS1 may show an incorrect ground discrimination result, especially when there is a big fish school right under the boat. This is because enough echoes may not be received from the bottom.
  
• Materials such as shell, coral, or a sunken ship are indicated as the most similar material from the four bottom categories:mud, sand, gravel, or rock, according to reflected echoes.
  
• Auto mode is automatically activated when the bottom discrimination function is turned on. (Manual mode is not selectable.)
  
• The BBDS1 is not compatible with NavNet 1 or NavNet vx2.
  
• Appropriate Furuno Transducer recommended for best results

Bottom Discrimination Transducers below:

520-5PSD
520-5MSD
525-5PWD
525STID-MSD
525STID-PWD
CA50/200-IT
CA50/200-12M

"The bottom structure and separates them into the following categories: mud, sand, gravel, and rock. This is achieved by analyzing echo characteristics from the bottom components such as particle size and hardness. - Connect the BBDS1 to your NavNet 3D or NavNet TZtouch network and get ready for your NavNet system to provide you with valuable information to locate rich fishing grounds, boosting your catch."

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