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Garmin Fishfinder 340C Sonar without Transducer

Garmin Fishfinder 340C Sonar without Transducer
Item No.010-00505-00
Retail Price:$471.41
Our Price:$368.43
ConditionNew Retail Box (NOT Refurbished)
ReturnableYes (See our Return Policy)
WarrantyTiger 30 Day, Manufacturer 1 Year
This item is currently out of stock


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NOTE: This configuration requires a separate transducer for sonar use. Please see our transducers page to pick the appropriate system for your needs. For other configurations, see the Garmin Fishfinder 340C Main Page.

The Garmin Fishfinder 340C has 12-square-inches of brilliant color. For nighttime viewing, the 340C features an ultra-dim backlight mode. It's available with a dual-beam transducer for freshwater use or dual frequency for saltwater applications. The 340C works with the Garmin high-speed sonar network, which means you can connect it to a Garmin plotter to view data and adjust settings from the plotter. Enhanced software features include drift alarm, timers, and a temperature log that graphically records water temperature data.

The Fishfinder 340C is also enabled with Garmin's new CANet - a one-megabit Controller Area Network that allows users to connect their unit to one of the new GPSMAP-series chartplotters. This allows boaters to read sonar displays on chartplotters located elsewhere in the boat. The Fishfinder 340C is offered in either a dual-frequency configuration or, for inland anglers needing a wider fish-finding cone, a dual-beam model. Water temperature, a round flasher-style display, and an A-scope display also come standard on the Fishfinder 340C.

Features include:

  • 256-color TFT display, 3.0" W x 4.0 H, 5.0-inch diagonal, 240 x 320 pixels
  • CCFL backlight for display and keypad
  • Power output: 500 watts (RMS) 4000 watts (peak to peak), dual frequency 400 watts (RMS) 3200 watts (peak to peak), dual beam
  • Depth: 1,500 feet (dual frequency), 900 feet (dual beam)
  • Choose Dual Frequency 50kHz (45°), 200kHz (10°) for maximum saltwater performance or Dual Beam Width 80kHz (45°), 200kHz (14°) for maximum freshwater performance
  • Patented transom/trolling mount transducer
  • Unit dimensions: 6.3"W x 6.2"H x 3.1"D
  • Ultrascroll high rep rate sonar
  • New AutoGain technology to see more fish
  • CANet proprietary bus allows display and control of full feature sounder data on Garmin chartplotter
  • New sounder design featuring excellent shallow water performance
  • See-Thru technology: shows weak and strong returns simultaneously
  • Water temperature log and graph
  • Round flasher display mode
  • A-scope
  • Whiteline
  • Adjustable depth line
  • 2X and 4X Automatic and manual zoom
  • Water speed capable
  • Odometer
  • Adjustable keel offset
  • Alarms for fish size, shallow water, deep water and low battery
  • Battery voltage indication
  • NMEA sonar data output
  • Power down backup of settings: customer settings are not lost when the unit is turned off
  • Pre-loaded with over 15 user-interface languages

Package Includes:

  • Fishfinder 340C
  • Transom mount transducer (depending on configuration)
  • Power cable
  • Mounting bracket with tilt/swivel
  • Flush mount kit
  • Owner's manual
  • Quick-reference guide

Screen Shots:

The advantage of color is clear on this screen. Schools of fish appear in and around the stumps of a resevoir. Color fishfinders give you the ability to see the intensity of returns. The hard bottom is red, as are the solid sonar returns of fish and bait fish. Less dense objects, such as weeds or mud, show up blue or green. This makes it easier to determine the bottom consistency.

In this screen, we can see a very distinct creek channel displayed at the bottom of a resevoir. The outline of weed - about eight feet off the bottom - is shown in red. The returns around the weed are schools of game fish. The fish returns that have red or orange indicate fish large enough to provide a solid return.

Looking for an old rebate form? Click here to download it.


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