Vedere tridimensionala a fundului apei !!!

Key Features
Go 3D to see a wider area of the bottom in three dimensions.
Take a virtual underwater tour with shaded bottom contours and full 3D view orientation control for views from any perspective.
Ultra high resolution 640V x 320H 5� FSTN LCD with contrast enhancement technology.
Enhanced 3D sonar uses 11 interlaced sonar beams for higher resolution across 53º of bottom, and offers up to 20 times more history detail.
Dual function sonar provides 3D capability to 240 feet and traditional 2D capability to 1000 Feet.
Maximum 8000 Watts peak to peak (1000 Watts RMS) power output.
GPS Ready - Get advanced position location and navigation with oOptional GPS receiver.
Plug & play compatibility with WeatherSense barometric pressure, SmartCast wireless sonar link and PC connection advanced accessories.
Convenient tilt & swivel mount system with one button quick disconnect.
Compatible with existing Wide 3D Vision, 3D Vista & 3D Paramount Transducers.
Click here for Matrix 47 manual in PDF format. If you need Adobe Reader to open PDF documents, click here to get it.
Additional Features
Fresh & saltwater set up options for optimal performance in any environment.
Water surface temperature and speed included in paddle wheel.
Complete GPS trackplotting capability to show position, mark hotspots and easily find your way home.
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.
Freeze Frame pauses the 2D 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!
Choice of Inverse Grayscale, Whitelineâ„¢, High Contrast Bottom Black, or Structure IDâ„¢ Bottom Presentation.
Fully gasketed waterproof design and it floats.
Selectable large digit screen for easy-to-read number display.
Advanced LED backlight for night viewing
TripLog with Distance, Elapsed Time, and Average Speed.
Totally automatic operation or total manual operation with upper and lower range control.
Depth alarm, xxx alarm, and battery 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.
manualul la http://www.humminbird.com/images/PDF/Matrix47.pdf