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981C SI  Features:

• View enormous areas of the bottom with picture-like detail using Side Imaging sonar
  
• Brilliant, 7" sunlight viewable color display with 480V x 854H resolution
  
• Dual frequency 50/200kHz sonar and revolutionary Side Imaging sonar technology
  
• Dual microprocessors and triple channel sonar transmitter/receiver deliver fast, smooth operation
  
• Memory card expansion slot to save Screen Snap Shots or optional cartography
  
• 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 WeatherSense Barometric Pressure, SystemLink and 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.