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Garmin Fishfinder 340c
Garmin's Fishfinder 340c is an invaluable gadget for the small commercial fisherman, or for those keen on team fishing excursions.
It has a range of technological features providing ease of use including a 12' square screen providing brilliant definition and colour which switches to a backlit 'dim' mode for night viewing. The Garmin Fishfinder 340c is suitable for freshwater fishing (using a dual-beam transducer) and for saltwater fishing (dual frequency function).
Compatible with the Garmin's Chartplotters, the Fishfinder 340c is also compatible with CANet™, a new Controller Area Network. Boat owners are thus able to read sonar displays wherever they are in the boat. Other features are a fish alarm denoting size, See-Thru technology, Odometer, NMEA sonar data output and the unit's interface also works in 15 languages.
Here are just a few other reasons why boat owners and fishing experts can look forward to owning the Garmin Fishfinder 340c:
- Ultrascroll™ high rep rate sonar
- CCFL backlight for display and keypad
- New AutoGain technology helps see even fish
- Suitable for depths up to 1,500 ft (dual frequency)
- Patented transom/trolling mount transducer
- 256-color TFT display, 3.0' W x 4.0 H, 5.0-inch diagonal, 240 x 320 pixels
- Dual Frequency giving superb saltwater performance 50kHz (45°), 200kHz (10°)
- Unit dimensions: 6.3'W x 6.2'H x 3.1'D
- Power outputs are 500 watts (RMS) 4000 watts (peak to peak) dual frequency 400 watts (RMS), 3200 watts (peak to peak) dual beam
Read our boat gadget reviews below:
- Bushnell Waterproof Night Vision Monocular (Waterproof Monocular with Night Vision)
- Bushnell Waterproof Binoculars (7x50 Binoculars with Built-in Compass)
- Garmin Fishfinder 340c (FF340c Colour Dual Frequency Fishfinder)
- Garmin 450 Plotter (GPSMAP 450)
- Oakley Ducati Juliet Sunglasses (Sports Sunglasses)
- Suunto Observer Wristop Computer (Titanium Wrist Computer Watch)




