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Garmin Fishfinder 340C User Manual

Garmin Fishfinder 340C
56 pages
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Owner’s Manual
full-featured color sonar
Fishfinder 340C

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Garmin Fishfinder 340C Specifications

General IconGeneral
Display Resolution320 x 240 pixels
Display TypeColor TFT
Transducer TypeDual-beam
Water Temperature SensorYes
Water Temperature Log and GraphYes
TransducerIncluded
Water ResistanceIPX7
Display Size3.5 inches
Sonar Frequency77/200 kHz
Power Output300 watts (RMS)
Operating Temperature5°F to 158°F (-15°C to 70°C)

Summary

Introduction

Warning

Alerts users to potential hazards during navigation that could result in serious injury or death if not avoided.

Installing the Fishfinder 340C

Selecting a Location for the Fishfinder

Advises on choosing an appropriate mounting location considering visibility, access, and cable routing.

Mounting the Fishfinder

Details the methods for surface mounting the Fishfinder using a bracket assembly on a console or overhead.

Flush Mounting the Fishfinder

Guides the user through the process of flush mounting the Fishfinder 340C into a flat panel.

Mounting the Transducer

Covers general principles and procedures for installing the transducer to ensure optimal sonar performance.

Mounting the Transducer on a Trolling Motor

Provides specific instructions for attaching the transducer to a trolling motor for dual beam operation.

Mounting the Transducer on a Transom

Details the correct placement and mounting techniques for a transom-mounted transducer.

Shoot-Thru-Hull Installation

Explains the method for installing a transducer inside the hull using epoxy for improved performance.

Installing the Wiring Harness

Guides users on connecting the wiring harness for power, transducer, and NMEA/CANet devices.

Testing the Installation

Outlines procedures to verify the proper installation and functionality of the Fishfinder 340C and its components.

Using the Fishfinder 340C

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