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Home > Marine Electronics and Navigation > FISHFINDERS > Humminbird 931C DF

The 931c features high performance sonar with an ultra wide, high resolution color display for big picture views of the bottom and no compromise split screens viewing.

931C DF Features:

• Brilliant, 7" sunlight viewable color display with 480V x 854H resolution
  
• Precision 200kHz or dual frequency 50/200kHz tranducer options
  
• 750 Watts RMS, 6000 Watts PtP (200kHz) power output, 2 1/2 target separation, 1000 ft depth or 1000 Watts RMS, 8000 Watts PtP (50KHz) power output, 2 1/2 target separation, 2500 ft depth**
  
• Memory card expansion slot to save Screen Snap Shots or optional cartography
  
• Dual microprocessors and dual channel sonar transmitter/receiver deliver fast, smooth operation
  
• GPS Ready - Full screen trackplotter, 3D track and split screen sonar/track with adjustable split
  
• Programmable View Presets Access Important Screens with one touch
  
• Plug & Play compatibility with the GPS Receiver, WeatherSense Barometric Pressure, Wireless Sonar Link Advanced Accessories
  
• In-dash or Gimbal mount


• Fresh & saltwater set up options for optimal performance in any environment
  
• Water surface temperature included in transducer, speed paddelwheel included
  
• Complete GPS Trackplotting capability to show position, mark hotspots and easily find your way home with optional GPS connected
  
• PC Connection capability to save waypoints, and upgrade internal software
  
• Accelerated Real Time Sonar operates at up to 40 times per second to instantly capture the action under the boat.
  
• X-press menus place most important setting at your fingertips
  
• Freeze Frame pauses the sonar scroll for detailed inspection of the screen
  
• Instant Image Update immediately shows the results of setting changes for the most accurate fine tuning
  
• Sonar Echo Enhancement technology is so sensitive itll track a jig to over 40ft and separate targets within 2 inches!
  
• Fully gasketed waterproof design & it floats
  
• Selectable large digit screen for easy-to-read number display
  
• Backlight for night viewing
  
• TripLog with distance, elapsed time, and average speed
  
• Totally automatic operation or totally manual operation with upper and lower range control
  
• Temperature graph overlay and audiable temperature alarm
  
• One-touch Zoom with 2x, 4x, 6x, and 8x zoom levels
  
• Adjustable chart speed
  
• Feature memory retains your settings
  
• One-year limited warranty
  
• Assembled in U.S.A.