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Fishfi nder 240
owner’s
manual
240 updated covers.indd 1 08/16/00, 3:25 PM
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© 2000 GARMIN Corporation GARMIN International, Inc. 1200 East 151st 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 9AQ, U.K. Tel. 44/1794.519944 Fax 44/1794.519222 GARMIN (Asia) Corporation No. 68, Jangshu 2nd Road, Shijr, Taipei County, Taiwan Tel. 886/2.2642.9199 Fax 886/2.2642.9099 All rights reserved. Except as expressly provided herein, no part of this manual m
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Thank You for choosing the GARMIN Fishfi nder 240. This product is designed for easy operation and to provide years of reliable service. Introduction Please take the time to read this Owner’s Manual, and learn the opera- tion of your new unit. This will help ensure that you get the most from the Fishfi nder 240. Customer Service Product Registration If you encounter a problem, or just have a question, contact our Product Support Department at 913-397-8200, Monday — Friday 8:00 Help us better
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GARMIN Corporation warrants this product to be free from defects in materials and manufacture for one year from the date of purchase. GARMIN will, at its sole Introduction 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. The customer is, however, responsible for any transportation costs. This warranty does Limited Warranty not cover failures due to abuse, misuse, accident or unauth
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The Fishfi nder 240 Standard Package contains the following items: • Fishfi nder 240 Introduction • Protective Front Cover • Surface/Flush Mount Kit • Wiring Adapter Cable Packaging and Accessories • Owner’s Manual • Quick Reference Guide • *Transom Mount Transducer (w/depth/temp) * Optional Optional Transducers: 010-10107-00 Bronze Thru-Hull (w/depth/temp) 010-10177-00 Bronze Thru-Hull (w/depth/temp/speed) 010-10119-00 Plastic Thru-Hull (w/depth) 010-10224-00 Plastic In-Hull (depth
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Introduction..........................................................................i-vi Customer Service ............................................................................................... i Limited Warranty .............................................................................................. ii Introduction Packaging and Accessories................................................................................ iii Unit Display ...........................................
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Alarms Fish Alarm ..................................................................................................... 22 Shallow Water ................................................................................................. 22 Introduction Deep Water ..................................................................................................... 23 Battery Voltage ................................................................................................ 23 System Table of C
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The Fishfi nder 240 is able to display a variety of useful information about the underwater environment. Below are a few things the unit will Introduction help you see. Water Depth The unit displays water depth and can provide a warning for shallow What can the Fishfi nder 240 or deep-water conditions. Display? Battery Voltage The unit can display the battery voltage that is available to the unit. Water Temperature* If equipped with a capable transducer, the unit can display the water tempe
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Transducers The transducer acts as the eyes and ears of your new sonar. Proper transducer selection and installation are critical to the operation of your Installation unit. The transducer transmits sound waves toward the bottom in a cone Selecting a Transducer shape. The larger the cone angle the larger the coverage area at a given depth. While it is good to see as 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 tr
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Proper transducer installation is key to getting the best performance from your new unit. If the transducer lead is too short, extension cables are available from you GARMIN dealer. DO NOT cut the transducer lead, Installation this will void your warranty. Following are some tips and basic installation instructions for three popu- Mounting the Transducer lar transducers. Detailed installation instructions are provided in the trans- ducer kits. Transom Mount Installation DO
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In-hull Installation The 010-10224-00 transducer is designed to be mounted inside a fiberglass hull. The standard plastic transom mount transducer can also be Installation mounted in this fashion using this method. If using a temperature sensing transducer, the temperature displayed will reflect the hull temperature. Mounting the Transducer Selecting a Location The location has to be solid fi berglass, devoid of any air bubbles, laminates, fi llers or dead air space. The location needs to
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Trolling Motor Installation Included in the 010-10251-00 transducer kit you should have: Installation • Worm Gear Clamp • Cable Ties Mounting the Transducer • Transducer Mounting the Transducer: 1. Loosen the Worm Gear Clamp until end of the band is clear of the worm gear. Cable Ties 2. Slide the clamp band through the slots on the transducer. 3. Place the free end of the clamp band into the worm gear and tighten until the band is through the worm gear. Worm Gear 4. Place the cla
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Black Wire Red Wire Wiring Harness Installation The Fishfinder 240 comes with a wiring harness that connects the unit to power and the transducer with one easy-to-remove connection. Make Installation sure the wiring harness will reach the unit before beginning installation. If it is necessary to extend the power/data wires, use a wire of compa- Installing the Wiring Harness rable size and keep your extension as short as possible. 10-18 Volt Boat Supply If the transducer lead is too short,
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Wiring Harness Installation (continued) If your boat does not have a fuse block, the unit can be wired directly to the battery. Make sure the 2-Amp in-line fuse supplied with the unit Installation is installed. The Fishfi nder 240 can be connected to another piece of NMEA com- Installing the Wiring Harness patible electronic equipment. If equipped with a capable transducer, the Fishfi nder 240 sends depth, temperature and speed information that could be displayed on another de
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Display Installation (Surface Mount) The Fishfi nder 240 can be mounted to a fl at surface using the supplied Surface Mounting Bracket. Installation Installing the Display Surface Mounting the Display: 1. Position the Surface Mount in the desired location. Leave approximately 2'’ behind the unit for cable clearance. 2. Mark the location of the four mounting holes with a pencil. 3. Drill pilot holes for the mounting fasteners (not included in kit). 4. Secure the Surface Mount, using the moun
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Display Installation (Flush Mount) The Fishfi nder 240 can be mounted fl ush against a dash or electronics rack that is no more than 1/4” thick. Installation Flush Mounting the Display: 1. Remove the Surface Mount Bracket and Knobs. Installing the Display 2 Cut a 4.3”W x 4.35”H relief hole where the unit will be mounted. 3. Place the display in the relief hole and tape in place. 4. Reinstall the knobs in the unit. Install the surface mount with the cam lobes pointed toward the
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Testing the Installation While it is possible to perform some checks with the boat trailered, to properly test the installation the boat should be in the water. Installation Press the Power button and the Fishfinder 240 should power on. If the unit fails to power on, verify that the wiring adapter is seated properly in Testing the Installation the back of the unit, the Red and Black wires are connected to the correct polarity, and that the 2-Amp fuse is installed and not blown. If the uni
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Unit Operation Arrow Keys Keypad Function The Arrow Keys are used to select items on the Adjustment Bar and Setup menu and to change fi eld data. Enter Key The Enter key is used to activate/deactivate Adjustment Bar and Setup Menu data fi elds for review or change Setup Key The Setup key is used to activate/deactivate Setup Menu. Power Key The Power Key is used to turn the unit on/off and to activate the display backlight. Press and hold to turn the unit off. Press briefl y and
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At the top left of the display you will find the Adjustment Bar and a variety of user-selectable information including Depth, Battery Voltage, Water Temperature, and Speed Over Water. To provide data on Water Unit Operation Temperature and Speed Over Water, the Fishfinder 240 requires additional sensors capable of producing the particular data. Describing The Display The Depth Scale and the Flasher Function are displayed from top to bottom along the right side of the display. Messages and
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Using the Adjustment Bar The Adjustment Bar allows direct access to the settings most commonly changed while using the unit. These include the depth Range, Zoom Unit Operation setting, and the Gain (sensitivity) of the unit. Place the highlight (white bar) over the desired selection using the The Adjustment Bar RIGHT or LEFT Arrow key and the current setting will be displayed in the highlight. To immediately change the setting, press the UP or DOWN Current Setting Arrow ke
