FishFinder 340C Dual Frequency

Twelve square inches of brilliant color - with the Fishfinder 340's bright color display, finding fish is easier than ever.

See Fish in Bright Color

The FishFinder 340C has a brilliant colorTFT display and ultra-dim backlight mode so you can see the screen clearly, in bright sunlight or after sundown. This FishFinder includes a dual-frequency transducer to optimize the 340C for freshwater or off-shore fishing. and, the 340C records water temperature data and lets you set multiple alarms, including drift alarms and timers.

Connect to Another Plotter

The FishFinder 340C can connect to Garmin's CANet - a one-megabit Controller Area Network that allows users to connect to one of the new GPSMAP series chartplotters. Once connected, you can read sonar information on the 340C from plotters located elsewhere in your boat.

Other Features

- Power output: 500 watts (RMS), 4,000 watts (peak to peak)
- See-Thru technology: shows weak and strong returns simultaneously
- Ultrascroll refreshes data with lightning speed
- Auto Gain setting adjusts sonar sensitivity automatically
- Unit remembers user settings when it is turned off
- Whiteline shows you how thick the bottom is
- 2X and 4X automatic and manual zoom
- Round flahser display mode and A-scope
- Battery voltage indicator
- NMEA sonar data output

Maps & Software Options

No maps available for this unit.

What's in the Box

Fishfinder 340C
Transom-mount transducer
Power cable
Mounting bracket
Protective cover
Owner's manual

Physical and Performance

Unit dimensions, WxHxD:
6.3" x 6.2" x 3.1" (16 x 15.7 x 7.9 cm)
Display size, WxH:
4" x 3" (10.2 x 7.6 cm)
Display resolution, WxH:
234 x 320 pixels
Display type:
256-color TFT
Weight:
2.25 lb (1.02 kg)
Waterproof:
Yes (IPX7)
RoHS version available:
No

Features

CANet compatible:
Yes
Audible alarms:
Yes
Dual-frequency sonar capable:
Yes
Dual-beam sonar capable:
No
Split-screen zoom:
No
Ultrascroll (displays fish targets at higher speeds):
Yes
See-thru technology (shows fish hidden in cover):
Yes
Fish Symbol ID (identify fish targets):
Yes
AutoGain Technology (minimize clutter):
Yes
Whiteline (indicates hard or soft bottom):
Yes
Adjustable depth line:
Yes
A-scope (real-time display):
Yes
Bottom lock:
Yes
Water temperature log and graph:
Yes
Water temperature sensor included:
Yes
Water speed capable:
Yes

Other

Frequency:
200 kHz
Transmit power:
500 W (RMS), 4,000 W (peak to peak)
Voltage range:
10-33
Maximum depth:
1,500 ft.
Cone angle:
14 or 45 degrees (dual beam)

Support for this Garmin product

Tech Support: 1-800-800-1020
Online: Garmin Support