Garmin Fishfinder 340C Owner'S Manual Download Page 7

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Fishﬁnder 340C Owner’s Manual

ETTING

TARTED

ACKING

IST

AND

PTIONAL

CCESSORIES

ETTING

TARTED

Before installing and using your Fishﬁnder 340C, check to see that

your package includes the following items. The package number

is on the outside of the box. If any parts are missing, contact your

Garmin dealer immediately.

Packing List

Standard Package (010-00505-00)

•   Fishﬁnder 340C unit
•   Tilt/swivel mount
•   6-foot data/power cable
•   Owner’s manual
•  Quick reference guide
•  Flush mount template
•   Protective cover
•   Flush mount hardware kit

Optional Package (010-00505-01)

• Standard package
• Dual beam (14°/45°) plastic trolling motor/transom mount

transducer with depth and temperature and an attached

30-foot cable

Optional Package (010-00505-02)

• Standard package
• Dual frequency (200/50kHz) plastic transom mount

transducer with depth and temperature and an attached

30-foot cable

Optional Package (010-00505-03 with Worldwide

Language Support)

• Standard package
• Dual frequency (200/50kHz) plastic transom mount

transducer with depth and temperature and an attached

30-foot cable

Optional Accessories

The following optional accessories are available at

www.garmin.com:

•   Speed sensors
•  Quick-release ﬂush mount kit
•  CANet

™

connection kit

• Optional transducers and transducer accessories

Summary of Contents for Fishfinder 340C

Page 1: ...Fish nder 340C...

Page 2: ...ronic storage medium to be viewed and to print one copy of this manual or of any revision hereto provided that such electronic or printed copy of this manual must contain the complete text of this cop...

Page 3: ...l To get the most out of your Fish nder 340C read this manual and learn the operating procedures This manual includes the following Introduction contains the Table of Contents product registration con...

Page 4: ...ation for the Fish nder 5 Mounting the Fish nder 6 Mounting the Transducer 9 Installing the Wiring Harness 15 Testing the Installation 20 Using the Fish nder 340C 21 Learning the Basic Functions 21 Us...

Page 5: ...870 8501241 Caring for the Fish nder The Fish nder case is constructed of high quality materials and does not require user maintenance except cleaning Cleaning the Case Clean the Fish nder s outer cas...

Page 6: ...Act of 2003 requires the recycling of certain electronics For more information on the applicability to this product see www erecycle org Hg LAMP S INSIDE THIS PRODUCT MAY CONTAIN MERCURYAND MUST BE R...

Page 7: ...t Optional Package 010 00505 01 Standard package Dual beam 14 45 plastic trolling motor transom mount transducer with depth and temperature and an attached 30 foot cable Optional Package 010 00505 02...

Page 8: ...and interpret The transducer sends sound waves down into the water in a cone shape similar to a ashlight beam covering a smaller circular area at the top and angling out to a larger circular area at...

Page 9: ...water because it gives you a much wider view of objects in the water including areas beyond the sides of your boat At a depth of 30 feet the wide beam covers the area of approximately a 20 foot circl...

Page 10: ...ings NOTE If the Fish nder is unable to track the bottom for any reason the digits which indicate depth ash on and off to alert you that the Fish nder is not tracking the bottom Along the top of the s...

Page 11: ...cessive vibration or shock Allows room for the routing and connection of the power data and transducer cables There should be at least a 3 inch 8 cm clearance behind the case DO NOT mount the unit in...

Page 12: ...s with matching nuts and washers and a 5 32 5 mm drill bit Three 8 pan head self tapping screws and a 1 16 drill bit for drilling starter holes Use a pan head machine bolt or self tapping screw to sec...

Page 13: ...e bracket clicks as you turn it Select a good viewing angle and then tighten all knobs 4 Connect the power data and transducer cables to the back of the Fish nder making sure the locking rings are ful...

Page 14: ...holes You can cut slightly inside the indicated line and then sand or le the panel as needed to obtain the best t 6 Install the four mounting studs into the Fish nder by screwing the shorter section i...

Page 15: ...nstallation instructions for some popular transducers Detailed installation instructions are provided in the transducer kits Some transducers might have to be installed by a professional marine instal...

Page 16: ...th the front of the transducer pointed away from the trolling motor propeller 4 Wrap the two ends of the cable tie around the motor body Place the pointed end of the cable tie through the fastener hol...

Page 17: ...r of the boat as possible DO NOT cut the transducer lead This voids your warranty DO NOT mount the transducer in locations where it might be jarred when launching hauling trailering or storing DO NOT...

Page 18: ...ansom approximately 1 8 3 mm on berglass hulls or 3 8 10 mm on aluminum hulls Adjust the transducer assembly to be aligned parallel with the water 4 Tighten the 10 32 locking nut until it touches the...

Page 19: ...n When installing a transducer the installation location must be the following Solid berglass without any air bubbles laminates llers or dead air space In an area of clean non turbulent water at all s...

Page 20: ...rface of the hull and face of the transducer with 400 grit wet or dry sandpaper 2 Build a dam using strip caulk about 1 4 6 mm tall Pour about 1 8 3 mm of two part slow cure epoxy into the dam 3 Place...

Page 21: ...to the battery CAUTION The Fish nder input voltage is 33 volts DC Do not exceed this voltage because this can damage the Fish nder and void the warranty NOTE During a typical installation use only the...

Page 22: ...e Fish nder to the Data OUT wire on the GPS NMEA harness 4 Set the Fish nder 340C NMEA Input Output to On page 32 For Garmin GPS units set the communications interface to NMEA NMEA NMEA In NMEA Out or...

Page 23: ...7 INSTALLING THE FISHFINDER 340C INSTALLING THE WIRING HARNESS CANet H CANet L Accessory On DC Power Source DC Positive RX NMEA TX NMEA CANet H CANet L Orange Accessory On Fish nder 340C Pin Assignmen...

Page 24: ...nstallation instructions as well If you need additional help please contact Garmin Product Support To install the 3 Wire Connector 1 Insert up to wires into the 3 wire connector Do not strip the wire...

Page 25: ...ator Connection Diagram Below CANet Terminator CANet Unit CANet Unit CANet Unit The CANet Extension Cable can be cut to any length 1 ft to 80 ft and a CANet compatible device can be inserted on the ca...

Page 26: ...he boat s performance and put the transducer at greater risk of striking underwater objects Because water is necessary to carry the sounder s sonar signal the transducer must be in the water to work p...

Page 27: ...cer it automatically enters Simulator mode see page 42 2 When the Fish nder detects a transducer at initial start up a Select Transducer Type window appears Press ENTER 3 Use the ROCKER to select your...

Page 28: ...a compatible NMEA GPS device RANGE Keys Press to view the Range Menu and select a setting ROCKER Key Press to move through menus highlight elds enter data or move the pointer Press to change the curre...

Page 29: ...ges Menu disappears after a few seconds Depending on the current page you can access page speci c information including one or more of the following Access the Main Menu by pressing and holding the AD...

Page 30: ...pending on your settings see page 37 The middle of the page contains a right to left moving sonar image of the water beneath your boat Items appear as they pass under your transducer Items on the righ...

Page 31: ...g other than Off for the Zoom option If Zoom contains a setting other than Off the current Zoom setting is used for half of the screen and the other side is not zoomed Using the Flasher Page If you pr...

Page 32: ...en in that position and press ENTER 4 Make all changes When you are nished press QUIT Using the Main Menu The Main Menu contains the Fish nder settings that should not require frequent change The Main...

Page 33: ...ed targets appear as symbols with no background information shown The target depth is indicated suspended targets appear as symbols Background information appears making the distinction between sh and...

Page 34: ...bottom strength It makes the bottom and the sh easier to see and requires fewer adjustments Keel Offset allows you to offset the surface reading for the depth of a keel This makes it possible to meas...

Page 35: ...eed Both the top GPS ground speed and uncalibrated water speed appears at the bottom of the calibration window Note your top speed then stop the boat and press ENTER 3 By default the top speed automat...

Page 36: ...ge in degrees for viewing on the log and on the Sonar Pages Select Auto to have the Fish nder automatically determine the best range or select a Span of 2 4 6 8 or 10 degrees Log Duration sets how fas...

Page 37: ...oo shallow or too deep The settings are Off default and a user de ned number Drift sets an alarm to sound when you exceed a speci ed drift depth range For example if the value is set to 5 feet and the...

Page 38: ...he Fish nder does not detect a transducer it automatically enters Simulator mode NMEA Input Output controls the input and output of NMEA 0183 version 3 01 data to and from the Fish nder This setting m...

Page 39: ...in degrees minutes and thousandths of a minute hddd mm mmm The following additional formats are available latitude longitude in decimal degrees hddd ddddd and latitude longitude in degrees minutes and...

Page 40: ...ff to adjust for daylight saving time Current Time and Current Date shows the current time and date These elds are blank if the Fish nder is not receiving a time from an attached GPS You cannot edit t...

Page 41: ...the bottom of the water Gain controls the sensitivity of the Fish nder s sonar receiver Auto default is the recommended setting It automatically sets the sonar sensitivity You can also set the gain ma...

Page 42: ...it on page 28 Depth Line adds a horizontal depth line across the screen that is used to measure the depth of underwater objects The depth of the line appears on the right side of the line Press up or...

Page 43: ...rolling data Split When Zoomed splits the screen when you use the Zoom option If you turn on Zoom then this setting splits the screen If Zoom is Off and you turn on Split When Zoomed the last used zoo...

Page 44: ...t your choice Your choice appears as a new data eld Repeat this step for each eld you want to change 5 When you are nished press QUIT to exit the Advanced Data Menu Your new choices appear on the scre...

Page 45: ...input WTR TEMP water temperature the water temperature at the transducer XTE crosstrack error how far off the chosen course you are measured by your selected distance units This indicates if you are...

Page 46: ...o save the location of an underwater object such as a stump rock or brush pile which you can navigate back to with your GPS receiver To enable NMEA input output 1 Press and hold ADJ MENU The Main Menu...

Page 47: ...underwater drop off or stump that you want to mark Data appears with the GPS coordinates depth and surface temperature for that location 4 Press ENTER The New Waypoint Window appears with a default fo...

Page 48: ...nditions Using Simulator Mode You can use Simulator mode to practice and learn the operation of the Fish nder If the Fish nder does not detect a transducer it automatically starts in Simulator mode Wh...

Page 49: ...ntence Check the wiring Deep Water Alarm the Deep Water Alarm depth has been reached Drift Alarm the depth has changed by the amount of the Drift Alarm value Fish Alarm an icon appears and a beep soun...

Page 50: ...R ANY BREACH OF WARRANTY To obtain warranty service contact your local Garmin authorized dealer or call Garmin Product Support for shipping instructions and an RMA tracking number The unit should be s...

Page 51: ...UND BY THE TERMS AND CONDITIONS OF THE FOLLOWING SOFTWARE LICENSE AGREEMENT PLEASE READ THIS AGREEMENT CAREFULLY Garmin grants you a limited license to use the software embedded in this device the Sof...

Page 52: ...t date 34 custom range 27 D data cnfg key 22 data elds 24 26 37 date 34 daylight saving time 34 dcog desired course over ground 38 Declaration of Conformity 45 defaults 32 de nitions data eld 38 depth...

Page 53: ...35 range keys 22 reset odometer 32 ROCKER key 22 S scale 27 scale log and graph 30 screen cleaning the iii scroll 36 scroll speed 28 selecting a location 5 selecting a location for shoot thru hull ins...

Page 54: ...1 U underwater waypoints 41 units tab 33 using the keypad 22 V view 36 vmg velocity made good 39 volt 39 voltage 15 W warranty 44 water immersion iii water speed 27 29 37 water temperature 37 water te...

Page 55: ......

Page 56: ...subsidiaries Garmin International Inc 1200 East 151st Street Olathe Kansas 66062 USA Garmin Europe Ltd Unit 5 The Quadrangle Abbey Park Industrial Estate Romsey SO51 9DL UK Garmin Corporation No 68 Ja...

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