Garmin Fishfinder 340C Owner's Manual

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Fishﬁnder 340C

full-featured color sonar

owner’s manual

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Summary of Fishfinder 340C

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Fishﬁnder 340c full-featured color sonar owner’s manual.
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© 2006 garmin ltd. Or its subsidiaries garmin international, inc. 1200 east 151 st street, olathe, kansas 66062, u.S.A. Tel. 913/397.8200 or 800/800.1020 fax 913/397.8282 garmin (europe) ltd. Unit 5, the quadrangle, abbey park industrial estate, romsey, so51 9dl, u.K. Tel. 44/0870.8501241 fax 44/087...
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Fishﬁnder 340c owner’s manual i i ntroduction > a bout t his m anual i ntroduction 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 th...
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Ii fishﬁnder 340c owner’s manual i ntroduction > p roduct r egistration , c ontact g armin , and c aring for the f ishfinder product registration help us better support you by completing our online registration today! Have the serial number of your fishﬁnder handy, and connect to our web site (http:...
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Fishﬁnder 340c owner’s manual iii i ntroduction > t able of c ontents t able of c ontents introduction ...........................................................................I about this manual ................................................................... I product registration ..............
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Iv fishﬁnder 340c owner’s manual i ntroduction > w arning warning warning: this product, its packaging, and its components contain chemicals known to the state of california to cause cancer, birth defects, or reproductive harm. This notice is being provided in accordance with california’s propositio...
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Fishﬁnder 340c owner’s manual 1 g etting s tarted > p acking l ist and o ptional a ccessories g etting s 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, con...
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2 fishﬁnder 340c owner’s manual g etting s tarted > u nderstanding the f ishfinder and s onar understanding the fishﬁnder and sonar the fishﬁnder 340c is a fully automatic, color sonar unit that allows you to go out on the water and ﬁnd ﬁsh without having to conﬁgure a lot of settings; or, if from e...
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Fishﬁnder 340c owner’s manual 3 g etting s tarted > u nderstanding the f ishfinder and s onar using dual beam dual beam works best for shallow water (for example, inland) applications. A dual beam transducer can transmit a narrow or a wide beam. The water area covered by the transmitted sound waves ...
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4 fishﬁnder 340c owner’s manual g etting s tarted > u nderstanding the f ishfinder and s onar fish bottom surface clutter water depth depth scale the strongest sonar returns appear on your screen as the most intense solid color (depending on your selected color scheme; red is the default). The weake...
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Fishﬁnder 340c owner’s manual 5 i nstalling the f ishfinder 340c > s electing a l ocation for the f ishfinder i nstalling the f ishfinder 340c to ensure the successful operation of your fishﬁnder 340c, you must properly install the fishﬁnder and all of its related parts. To install and use your fish...
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6 fishﬁnder 340c owner’s manual i nstalling the f ishfinder 340c > m ounting the f ishfinder mounting the fishﬁnder there are two possible installation methods for your fishﬁnder: • you can mount the fishﬁnder onto a bracket that attaches to the console or overhead. • you can ﬂush mount the fishﬁnde...
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Fishﬁnder 340c owner’s manual 7 i nstalling the f ishfinder 340c > m ounting the f ishfinder 4. Place the swivel mount bracket over the swivel base and secure it with the short knob. Installing the unit on the mounting bracket to install the fishﬁnder on the mounting bracket: 1. Align the slot on th...
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8 fishﬁnder 340c owner’s manual i nstalling the f ishfinder 340c > m ounting the f ishfinder included mounting hardware —(4) 3 mm studs, (4) ﬂat washers, and (8) 3 mm hex nuts. Tools (not included) —center punch, drill, 1/8 " (3 mm) drill bit, 3/8 " (6 mm) drill bit, jig saw, 1/16 " (2 mm) allen wre...
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Fishﬁnder 340c owner’s manual 9 i nstalling the f ishfinder 340c > m ounting the t ransducer mounting the transducer proper transducer installation is key to getting the best performance from your new fishﬁnder. If the transducer lead is too short, extension cables are available from your garmin dea...
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10 fishﬁnder 340c owner’s manual i nstalling the f ishfinder 340c > m ounting the t ransducer mounting the transducer on a trolling motor (dual beam only) to mount the transducer on a trolling motor: 1. Slide the large cable tie through the slot on the transducer mount (see the illustration on page ...
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Fishﬁnder 340c owner’s manual 11 i nstalling the f ishfinder 340c > m ounting the t ransducer mounting the transducer on a transom when selecting a transom mount location, consider the following for optimal performance: • for your sonar to operate properly, the transducer must be located in calm wat...
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12 fishﬁnder 340c owner’s manual i nstalling the f ishfinder 340c > m ounting the t ransducer tool list (not included)—drill, 3/8" wrench or socket, 5/32" and 1/8" drill bits, masking tape, #2 phillips screwdriver, and marine sealant. To mount the transducer on a transom: 1. Position the transducer ...
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Fishﬁnder 340c owner’s manual 13 i nstalling the f ishfinder 340c > m ounting the t ransducer ok level drill pilot holes here. Vertical bottom of the transom align with the transom bottom. The transducer should extend 1/8" below ﬁberglass hulls or 3/8" below aluminum hulls. Keep it parallel with the...
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14 fishﬁnder 340c owner’s manual i nstalling the f ishfinder 340c > m ounting the t ransducer selecting a location for a shoot-thru-hull installation when installing a transducer, the installation location must be the following: • solid ﬁberglass, without any air bubbles, laminates, ﬁllers, or dead ...
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Fishﬁnder 340c owner’s manual 15 i nstalling the f ishfinder 340c > i nstalling the w iring h arness installing the wiring harness the fishﬁnder comes with a wiring harness that connects the fishﬁnder to power and the transducer with one easy-to-remove connection and provides interface capabilities ...
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16 fishﬁnder 340c owner’s manual i nstalling the f ishfinder 340c > i nstalling the w iring h arness — + to 10-33 volt boat supply 2a - + boat ground 3-amp fuse to fishﬁnder 340c the fishﬁnder 340c can be connected to another piece of nmea compatible electronic equipment, such as a garmin gps (globa...
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Fishﬁnder 340c owner’s manual 17 i nstalling the f ishfinder 340c > i nstalling the w iring h arness interfacing the fishﬁnder 340c allows for nmea 0183, version 3.01 input/output with a compatible gps or navigation device. You must set nmea input/output to on to send or receive data (page 41). The ...
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18 fishﬁnder 340c owner’s manual i nstalling the f ishfinder 340c > i nstalling the w iring h arness canet h canet l accessory on dc power source dc positive (rx nmea) (tx nmea) (canet h) (canet l) orange (accessory on).
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Fishﬁnder 340c owner’s manual 19 i nstalling the f ishfinder 340c > t esting the i nstallation testing the installation while it is possible to perform some checks with the boat trailered, the boat should be in the water to properly test the sonar portion of the installation. To test the installatio...
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20 fishﬁnder 340c owner’s manual i nstalling the f ishfinder 340c > t esting the i nstallation 4. If the signal does not improve, it might be necessary to move the transducer to a different location. Note: when adjusting the depth of the transducer, make the adjustments in small increments. Placing ...
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Fishﬁnder 340c owner’s manual 21 u sing the f ishfinder 340c > l earning the b asic f unctions u sing the f ishfinder 340c if you are turning on your fishﬁnder 340c for the ﬁrst time, use the following procedure. If you have already turned on your fishﬁnder, and you are just familiarizing yourself w...
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22 fishﬁnder 340c owner’s manual u sing the f ishfinder 340c > u sing s imulator m ode using simulator mode you can use simulator mode to practice and learn the operation of the fishﬁnder. If the fishﬁnder does not detect a transducer at startup, it automatically starts in simulator mode. While in s...
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Fishﬁnder 340c owner’s manual 23 u sing the f ishfinder 340c > u sing the f ishfinder 340c k eypad using the fishﬁnder 340c keypad power/backlight key • press and hold to turn the unit on or off. • press and release to cycle through the maximum, user-set, and minimum backlight brightness levels. Qui...
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24 fishﬁnder 340c owner’s manual u sing the f ishfinder 340c > u nderstanding the m ain p ages understanding the main pages the fishﬁnder 340c typically offers several main pages for you to use, including the sonar page, flasher page, and numbers page. If you are using a dual frequency transducer, a...
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Fishﬁnder 340c owner’s manual 25 u sing the f ishfinder 340c > u nderstanding the m ain p ages if you are using a dual frequency transducer and you set the frequency to dual , you can access the split sonar page, the sonar (220khz) page, the sonar (50khz) page, and its related adjustment menu. Split...
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26 fishﬁnder 340c owner’s manual u sing the f ishfinder 340c > u nderstanding the m ain p ages to split the screen: 1. From a sonar page, press adj/menu . The adjustment menu appears. 2. Use the rocker to select split when zoomed , and press enter . 3. Use the rocker again to select on , and press e...
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Fishﬁnder 340c owner’s manual 27 u sing the f ishfinder 340c > u sing the m ain m enu using the numbers page when you use the numbers page, you can view three data ﬁelds of your choice. (see “conﬁguring advanced data fields” on page 39 for more information about the data ﬁelds.) to change the data ﬁ...
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28 fishﬁnder 340c owner’s manual u sing the f ishfinder 340c > u sing the m ain m enu 3. Use the rocker to highlight the setting you want to change, and press enter . The available settings appear. 4. Use the rocker to highlight the setting you want, and then press enter . The new setting is now act...
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Fishﬁnder 340c owner’s manual 29 u sing the f ishfinder 340c > u sing the m ain m enu • scale —controls the depth scale displayed vertically along the right side of the graph. The settings are overlay (default), in the corners , basic scale, or no scale . • custom range —allows you to specify a cust...
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30 fishﬁnder 340c owner’s manual u sing the f ishfinder 340c > u sing the m ain m enu in sonar data presentation and is recommended for all applications. The presentation is based on bottom strength. It makes the bottom and the ﬁsh easier to see and requires fewer adjustments. • keel offset —allows ...
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Fishﬁnder 340c owner’s manual 31 u sing the f ishfinder 340c > u sing the m ain m enu note: if the boat is not moving fast enough or the speed sensor is not registering a speed, a “boat is not moving fast enough to calibrate” message appears at the bottom of the screen. Check that the speed sensor w...
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32 fishﬁnder 340c owner’s manual u sing the f ishfinder 340c > u sing the m ain m enu alarms tab the alarms tab contains settings for the fishﬁnder’s alarms. (for a list of alarms and unit messages, see page 45.) the alarm tab is divided into two sub tabs: sonar alarms and system alarms. To set an a...
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Fishﬁnder 340c owner’s manual 33 u sing the f ishfinder 340c > u sing the m ain m enu system sub tab • battery —sets an alarm to sound when the battery is reaching a critical state of discharge. The settings are off (default) and a user-deﬁned number of volts remaining. • timer —allows you to contro...
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34 fishﬁnder 340c owner’s manual u sing the f ishfinder 340c > u sing the m ain m enu • nmea input/output —controls the input and output of nmea 0183 version 3.01 data to and from the fishﬁnder. This setting must be on to receive gps navigational data and send sonar nmea data. See page 17 for detail...
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Fishﬁnder 340c owner’s manual 35 u sing the f ishfinder 340c > u sing the m ain m enu ( hddd°mm.Mmm’ ). The following additional formats are available: latitude/longitude in decimal degrees ( hddd. Ddddd° ) and latitude/longitude in degrees, minutes, and seconds ( hddd°mm’ss.S” ). • heading —sets th...
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36 fishﬁnder 340c owner’s manual u sing the f ishfinder 340c > u sing the a djustment m enu using the adjustment menu the adjustment menu gives you direct access to the most commonly used settings and features. The adjustment menu also provides a quick review of how the sonar is conﬁgured. This menu...
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Fishﬁnder 340c owner’s manual 37 u sing the f ishfinder 340c > u sing the a djustment m enu • gain— controls the sensitivity of the fishﬁnder’s sonar receiver. Auto (default) is the recommended setting. It automatically sets the sonar sensitivity. You can also set the gain manually. To see more deta...
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38 fishﬁnder 340c owner’s manual u sing the f ishfinder 340c > u sing the a djustment m enu • 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 down on the rocke...
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Fishﬁnder 340c owner’s manual 39 u sing the f ishfinder 340c > c onfiguring a dvanced d ata f ields conﬁguring advanced data fields the top-left corner of the screen contains conﬁgurable data ﬁelds for the sonar pages. You can display basic or advanced data for these data ﬁelds. By default, the basi...
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40 fishﬁnder 340c owner’s manual u sing the f ishfinder 340c > c onfiguring a dvanced d ata f ields data field deﬁnitions brg (bearing)—the compass direction from a location to a destination, measured to the nearest degree. When using a gps receiver, bearing usually refers to the direction to a wayp...
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Fishﬁnder 340c owner’s manual 41 u sing the f ishfinder 340c > p ausing a s onar or f lasher p age and m arking a w aypoint pausing a sonar or flasher page use a paused screen to take a better look at sonar returns. The depth continues to update while the page is paused, but the fishﬁnder does not s...
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42 fishﬁnder 340c owner’s manual u sing the f ishfinder 340c > m arking a w aypoint to start or stop pointer mode on a sonar page: 1. From a sonar page, hold pause for two seconds. The fishﬁnder is now in pointer mode. 2. Use the rocker to move the cursor around on the screen. Information about the ...
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Fishﬁnder 340c owner’s manual 43 u sing the f ishfinder 340c > m arking a w aypoint 5. To change the name, highlight the name ﬁeld, and press enter . 6. Make your changes using the rocker . (alphabetic and numeric characters are available.) press enter when you are ﬁnished. 7. Use the rocker to move...
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44 fishﬁnder 340c owner’s manual a ppendix > s pecifications and o ptional a ccessories a ppendix speciﬁcations physical speciﬁcations size: 6.2" h x 6.3" w x 3.1" d (15.8 cm x 16.0 cm x 8.3 cm) weight: 2.25 lbs. (1.02 kg) display: 5.0" diagonal (12.7 cm), 4.0" h x 3.0" w, 256-color tft display with...
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Fishﬁnder 340c owner’s manual 45 a ppendix > m essages and a larms messages and alarms the fishﬁnder 340c uses an on-screen pop-up message system to alert you to unit operating characteristics. When a message appears, press enter to acknowledge the message and return to the page you were viewing. An...
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46 fishﬁnder 340c owner’s manual a ppendix > l imited w arranty limited warranty this garmin product is warranted to be free from defects in materials or workmanship for one year from the date of purchase. Within this period, garmin will at its sole option repair or replace any components that fail ...
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Fishﬁnder 340c owner’s manual 47 a ppendix > s oftware l icense a greement the garmin fishﬁnder 340c has no user-serviceable parts. Should you ever encounter a problem with your unit, please take it to an authorized garmin dealer for repairs. The fishﬁnders are fastened shut with screws. Any attempt...
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48 fishﬁnder 340c owner’s manual i ndex i ndex symbols 200 khz frequency 2 2x zoom 38 4x zoom 38 50 khz frequency 2 a a-scope 38 accessories 1, 44 adj/menu key 23 adjustment menu 36 for the split sonar page 25 alarms 32 alarms tab 32 anti-reﬂective coating ii arches 4 assembling the transducer 9 aut...
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Fishﬁnder 340c owner’s manual 49 i ndex i immersion, water ii input voltage 15 installation 19 installation, shoot-thru-hull 13 installing the unit on the mount bracket 7 the wiring harness 15 installing the ﬁshﬁnder 5 interfacing 17 k keel offset 30 keypad, using the 21, 23 l language, changing the...
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50 fishﬁnder 340c owner’s manual i ndex storage ii strongest sonar returns 4 stw (speed through water) 40 surface clutter 4 surface mounting the ﬁshﬁnder 6 swap split 38 swivel base 6 swivel mount bracket 7 symbols, ﬁsh 28 system sub tab 33 system tab 33 t target level 37 temperature 29 temperature ...
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Visit the garmin web site at www.Garmin.Com. © 2006 garmin ltd. Or its subsidiaries garmin international, inc. 1200 east 151 st street, olathe, kansas 66062, u.S.A. Garmin (europe) ltd. Unit 5, the quadrangle, abbey park industrial estate, romsey, so51 9dl, u.K. Garmin corporation no. 68, jangshu 2 ...