Garmin 340c Manual De Propietario

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NTRODUCTION

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A

BOUT

 T

HIS

 M

ANUAL

Thank you for choosing the Garmin

®

 Fishfinder 340C. The 

Fishfinder 340C is a full-featured, color sonar that offers a choice 

of display styles, a dual beam or dual frequency option, and many 

more features, including the following:

•  Ultrascroll™, which gives you a much faster update rate on 

your Sonar Pages.

•  Auto Gain, which enables you to see more fish and 

structures.

•  CANet™ capability, which enables you to connect your unit 

to CANet-capable Garmin chartplotters, so you can read the 

Sonar Pages on chartplotters located elsewhere in the boat.

•  Round flasher, which gives you an option for how to view 

the sonar.

•  Whiteline, which helps you to interpret bottom hardness.
•  2x and 4x automatic and manual zoom.
•  Adjustable keel offset.
•  Alarms for fish size, shallow water, deep water, and low 

battery.

•  NMEA sonar data output and navigation data input.

To get the most out of your Fishfinder 340C, read this manual and 

learn the operating procedures. This manual includes the following:

•  Introduction—contains the Table of Contents, product 

registration, contact, and cleaning information.

•  Getting Started—provides general information that can 

help you before you install and use your Fishfinder 340C.

•  Installing the Fishfinder 340C—covers the installation and 

testing for the Fishfinder 340C. 

•  Using the Fishfinder 340C—provides details about the 

features and operations of the Fishfinder 340C. 

•  Appendix—contains information, such as specifications, 

optional accessories, and messages that might appear. You 

can also find warranty information in the Appendix. 

•  Index—helps you quickly find information in this manual.

 

This manual uses the term Warning to indicate a potentially 

hazardous situation, which, if not avoided, could result in death or 

serious injury.
This manual uses the term Caution to indicate a potentially 

hazardous situation, which, if not avoided, may result in minor 

injury or property damage. It may also be used without the symbol 

to alert you to avoid unsafe practices.