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Fishfi nder 320C
owner’s
manual
and
reference
guide
320C Cover.indd 1 3/11/2003, 11:33:53 AM
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© Copyright 2003 Garmin Ltd. or its subsidiaries Garmin International, Inc. st 1200 East 151 Street, Olathe, KS 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. 44/1794.519944 Fax 44/1794.519222 Garmin Corporation nd No. 68, Jangshu 2 Road, Shijr, Taipei County, Taiwan Tel. 886/2.2642.9199 Fax 886/2.2642.9099 All Rights Reserved. Except as expressly provided herein, no p
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Preface Introduction Thank you for choosing the Garmin Fishfi nder 320C. This product is designed for easy operation and to provide years of reliable service. Please take the time to read this Owner’s Manual, and learn the operation of your new unit. This will Preface and help ensure that you get the most from the Fishfi nder 320C. This manual is broken down into three sections Registration for your convenience. Section One covers the installation and testing for the Fishfi nder 320C. Section Two
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LIMITED WARRANTY Introduction 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 in normal use. Such repairs or replacement will be made at no charge to the customer for parts or labor, provided that the customer shall be responsible for any transportation cost. This warranty does not Warranty and cover failures due to abuse
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Software License Agreement Introduction BY USING THE FISHFINDER 320C, YOU AGREE TO BE BOUND BY THE TERMS AND CONDITIONS OF THE FOLLOWING SOFTWARE LICENSE AGREEMENT. PLEASE READ THIS AGREEMENT CARE- FULLY. Software License Agreement Garmin grants you a limited license to use the software embedded in this device (the “Software) in binary executable form in the normal operation of the product. Title, ownership rights and intellectual property rights in and to the Software remain in Garmin. You
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Introduction Before installing and getting started with your unit, please check to see that your package includes the following items. The package part number can be found on the outside of the box. If any parts are miss- ing, please contact your Garmin dealer immediately. Packing List Standard Package (010-00289-00 w/o transducer): • Fishfi nder 320C Unit • Surface-Mount Bracket and Knobs • Power/Data Cable • Owner’s Manual • Self-Adhesive Quick Reference Guide • Protective Cover • Flush-
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Transducers Introduction The transducer acts as the eyes and ears of your new sonar. Proper transducer selection and installation are important to the operation of your unit. The transducer transmits sound waves toward the bottom in a cone shape. The larger the cone angle the larger the coverage area at a given depth. While it is good to see as Selecting a Transducer large of an area as possible, it is best to select a transducer that suits the water that you are on. A wide cone angle transd
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Simulator . . . . . . . . . . . . . . . . . . . . . . . . .18 Depth Line . . . . . . . . . . . . . . . . . . . . . . . .12 Introduction NMEA Input/Output . . . . . . . . . . . . . . . .18 Noise Reject . . . . . . . . . . . . . . . . . . . . . . .12 Factory Settings . . . . . . . . . . . . . . . . . . . .18 Scroll . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 Software Version . . . . . . . . . . . . . . . . . . . .18 Size Split . . . . . . . . . . . . . . . . . . . . . . . . .
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Installing the Fishfi nder 320C Installation The Fishfi nder 320C must be properly installed according to the following instructions to get the best possible performance. To complete the installation, you’ll need the appropriate fasteners and tools. Check that all cables will reach the unit mounting location and also take time to read through these instructions Unit Installation prior to installation. Be sure to always wear safety goggles and a dust mask when drilling, cutting or sand- ing. W
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Flush Mounting the Fishfi nder 320C Unit Installation The Fishfi nder 320C can be fl ush mounted on a fl at panel. When fl ush mounting the Fishfi nder 320C, be sure to choose an appropriately sized location for the unit. Check that all cables will reach the unit mounting location before beginning installation. Use the Flush Mount Template provided in the box to Unit Installation determine a location. Be sure to always wear safety goggles and a dust mask when drilling, cutting or sand- ing. Include
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Black Wire Red Wire Connecting the Power/Data Cable Installation The power/data cable connects the Fishfi nder 320C to a 10-35 volt DC system and provides interface capabilities for connecting external devices. The color code in the diagram (pg. 4) indicates the appropriate harness connections. Replacement fuse is a AGC/3AG - 2 Amp fuse. If it is necessary to extend the power/ Wiring and Interfacing data wires, use a wire of comparable size and keep your extension as short as possible. To 10-
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PIN1(red)10-35VDC Installation PIN2(black)Ground(PowerandData) Power (Cable View) 10-35voltsDC Wiring and Interfacing PIN3(blue) Port1DataOUT 4 3 5 2 6 PIN4(brown)Port1DataIN 1 7 RXD+ GPS/NMEA PIN5(white)Port2DataIN(N/C) Device TXD+ PIN6(green)Port2DataOUT andRXD- You can download a copy of Garmin's propri- PIN7(yellow)AlarmLow NMEADevice etary communication protocol document from the Help and Support section of our web site at RXD+ AlarmRelay Note: During a typical installation, only the Red
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Proper transducer installation is key to getting the best performance from your new unit. If the trans- Installation ducer lead is too short, extension cables are available from your Garmin dealer. Coil and secure any excess cable. DO NOT cut the transducer lead or any part of the transducer cable, as this will void your warranty. The cable cannot be spliced and connected to any existing (Garmin or non-Garmin) transducer cables. Mounting the T ransducer Following are some tips and basic insta
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To avoid drilling a hole to mount a thru-hull transducer, a transducer may be secured with epoxy inside Installation a boat (“shoot-thru-hull” installation). This type of installation can provide better noise reduction and allow you to use a higher gain setting. For a transducer to be mounted inside the hull (shoot-thru, not thru-hull), the boat must be fi berglass, with no core. Contact your boat manufacturer if you are unsure. Professional installation may be necessary. Be sure to always
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Testing the Installation 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. Press the POWER/BACKLIGHT key (see pg. 8) and the Fishfi nder 320C should power on. If the unit Testing the Installation fails to power on, verify that the wiring adapter is seated properly in the back of the unit, the Red and Black wires are connected to the correct polarity, and that the 2-Amp fus
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Using the Keypad Unit Operation ZOOM Key— displays the Zoom adjustment control. Pressing Up/Down on the ARROW KEYPAD will select the desired zoom level. FREQ Key— displays the Frequency adjustment control. Pressing Up/Down on the ARROW KEYPAD will Keypad Usage select the desired sonar frequency. DATA Key— toggles the data fi eld in the upper left of the Sonar Page between the Basic and Advanced ZOOM FREQ displays. When held for more than 2 seconds, enters Advanced data setup. GAIN Key— displa
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Sonar Page Unit Operation The Sonar Page is where your Fishfi nder 320C becomes a powerful fi shfi nder/fl asher. If the unit does not detect a transducer, a “Sonar Turned Off” message will appear across the Sonar Page. If in Simulator mode, a ‘Running Simulator’ message will appear after 2 minutes of inactivity. Describing the Display The top left of the screen contains numbers or data fi elds, such as Depth, Water Speed and Water Temp (see pg. 14), while the currently selected Adjustment (see
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Using the Adjustment Menu Unit Operation The Adjustment Menu allows direct access to the settings and features most commonly used on the Sonar Page. There are 10 main adjustment options available: Range, Zoom, View, Gain, Target Level, Whiteline, Frequency, Depth Line, Noise Reject, and Scroll. All adjustments may be made by using the Adjustment Menu Options ARROW KEYPAD and ENTER key. The currently selected option will appear in the upper left of the display with an up and down arrow on eac
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The Zoom function is divided into six display levels: Unit Operation 2X Split –– Shows two reduced-size sonar pictures at the same time. The right half of the display screen shows the complete sonar picture at its original scale. The left half shows a portion of the original picture at 1/2 depth scale. 2X Zoom –– Displays the 2X zoomed picture on the full screen and does not show the original scale Adjustment Menu Options picture. 4X Split –– Shows two reduced pictures, the right at the origi
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• Whiteline — controls how the unit displays information about the bottom type (hard or soft). With Unit Operation the Whiteline ‘Off’, all high-intensity bottom returns will display as red. With Whiteline set at ‘Normal’ or 1-100%, this option can be used to better determine bottom hardness. See page 24 for more information on this feature. Adjustment Menu Options • Frequency — allows you to choose a sonar operation frequency. Frequency refers to the “pitch” of the sound that the transducer
