Humminbird 931C DF Fishfinder 406190-1

We asked ourselves one question when designing the new 900 Series Fishing System: what can we put into it, to give anglers a huge advantage on the water, helping them find more fish, faster? First, we built it around a monster 7” diagonal display for a big picture view, or for bigger split screen views.  We gave it serious power and 200/50kHz sonar for the best picture of the bottom, fish and structure possible, in saltwater or freshwater.  Because it’s a true fishing system you can upgrade and expand your 900 Series with high performance add-on accessories.  The 900 Series had to be easy to use as well as sophisticated, so the intuitive controls quickly take you to the screens you need. Every last thing we put into the 900 Series Fishing System is there to give the most dedicated or tournament angler a huge, on-the-water advantage.
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** Dual microprocessors and dual channel sonar transmitter/receiver deliver fast, smooth operation 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, SmartCast Wireless Sonar Link and PC Connection Advanced Accessories In-dash or Gimbal mount.
	Additional Features
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. Xpress™ 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 it’ll track a jig to over 40ft and separate targets within 2 ½ 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.

	Advanced Accessories
12 Channel WAAS GPS Receiver Hand-held GPS Connections WeatherSense Barimetric Pressure Monitor Matrix SmartCast Wireless Sonar Link PC Connection Kit

 Owners Manual (PDF format)