Garmin 400C Fish Finder User Manual
Contents
1. iv Important Information eene iv Installing the Fishfinder 400C buddies 1 Step 1 Select a Location for the Fishfinder 1 Step 2 Mount the Fishfinder 2 Step 3 Install the Transducer 4 Step 4 Install the Wiring Harness 10 Step 5 Test the Installation ss 13 Basic Operation e bodas 15 Turning the Fishfinder 400C On or Off S 15 Adjusting the Backlight Setting 15 Using Simulator Mode eene 15 Using the Fishfinder 400C Keypad 15 Understanding the Home Screen 16 Understanding the Full Screen 17 Understanding the Split Zoom Screen 17 Understanding the Flasher Screen 18 Il Understanding the Split Freq Screen 18 Understanding the Numbers Screen 19 Understanding the Temp Log Screen 19 Understanding the Configure Screen 20 Customizing the Fishfinder 400C baa 212. Using the Fishfinder 400C Keypad f fishfinder 400C Power Backlight Range ROCKER SELECT SELECT GARMIN HOME POWER BACKLIGHT Press and hold to turn the unit on or off press and release to adjust the backlight and day night modes RANGE Press to adjust the range of the sonar ROCKER Press up down left or right to move through menus highlight fields and enter data SELECT Press to select highlighted items and confirm on screen messages HOME Press to return to the Home screen MENU Press to access additional settings and configuration options Press to return to the previous screen when indicated 15 Basic OPERATION Understanding the Home Screen When you turn on your Fishfinder 400C the Home screen appears Press up or down on the ROCKER and then press SELECT to choose an option NOTE Options on this screen vary based on the type of transducer installed Home 62 5 ig RullfScreen 44 TEull Screen Home Screen Dual Frequency Home Screen Dual Beam 16 Full Screen Opens a full screen graph of the transducer s sonar readings page 17 Flasher Dual Beam transducer only Opens a round flasher to indicate the transducer s sonar readings as an alternative to the linear graph page 18 Split Freq Dual Frequency transducer only Opens a split screen that uses the full capability of the dual frequency transducer A 50
3. owner s manual A GARMIN 2006 2007 Garmin Ltd or its subsidiaries Garmin International Inc Garmin Europe Ltd Garmin Corporation 1200 East 151 Street Unit 5 The Quadrangle No 68 Jangshu 2 Road Olathe Kansas 66062 USA Abbey Park Industrial Estate Shijr Taipei County Taiwan Tel 913 397 8200 or 800 800 1020 Romsey SO51 9DL UK Tel 886 2 2642 9199 Fax 913 397 8282 Tel 44 0 870 8501241 outside the UK Fax 886 2 2642 9099 0808 2380000 within the UK Fax 44 0 870 8501251 All rights reserved Except as expressly provided herein no part of this manual may be reproduced copied transmitted disseminated downloaded or stored in any storage medium for any purpose without the express prior written consent of Garmin Garmin hereby grants permission to download a single copy of this manual onto a hard drive or other electronic 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 copyright notice and provided further that any unauthorized commercial distribution of this manual or any revision hereto is strictly prohibited Information in this document is subject to change without notice Garmin reserves the right to change or improve its products and to make changes in the content without obligation to notify any person or organization of such changes or improvements Visit the G
4. The zoom is off or set to No Zoom by default Four options are available 2x Zoom twice the magnification 4x Zoom four times the magnification Bottom Lock locks the zoom window to the bottom The default zoom span is 10 ft and can be adjusted Split Zoom opens the Split Zoom screen 25 DVANCED SETTINGS Zoom Depth While Zoomed available only when you are using a 2x or a 4x Zoom By default the Zoom Depth is set to Auto and automatically adjusts with the depth You can adjust this setting to zoom in at a specific depth Span While Zoomed with Bottom Lock While using Bottom Lock this option replaces the Range option Adjust this setting just as you would the Range setting to expand or contract the zoomed distance from the bottom Depth Line turn on the depth line to quickly reference a specific depth on the Full Screen Split Zoom screen or Split Freq screen While viewing a screen showing the Depth Line press up or down on the ROCKER to move the line A Scope Dual Frequency Transducer vertical flasher that appears along the right side of the screen The A Scope indicates structure and bottom returns much like the Flasher screen page 18 The horizontal width of a signal in the A Scope indicates the strength of the signal 26 Resetting the Odometer If you are using a speed sensing transducer an odometer is available on the Numbers screen and the Flasher screen that tracks the distan
5. Garmin if you have any questions while using your Fishfinder 400C In the USA contact Garmin Product Support by phone 913 397 8200 or 800 800 1020 Monday Friday 8 AM 5 PM Central Time or go to www garmin com support and click Product Support In Europe contact Garmin Europe Ltd at 44 0 870 8501241 outside the UK or 0808 2380000 within the UK Tell Us What You Think Tell us how you like this manual Fill out the Product Documentation Survey Go to www garmin com contactUs and click Product Documentation Survey Fishfinder 400C Owner s Manual INTRODUCTION Caring for the Fishfinder 400C The case is constructed of high quality materials and does not require user maintenance except cleaning Cleaning the Case Clean the unit s outer casing except for the screen using a cloth dampened with a mild detergent solution and then wipe dry Avoid chemical cleaners and solvents that may damage plastic components Cleaning the Screen The unit s lens is coated with a special anti reflective coating that is sensitive to skin oils waxes and abrasive cleaners Cleaners containing ammonia alcohol abrasives or anti grease detergents will harm the anti reflective coating It is important to clean the lens using an eyeglass lens cleaner that is specified as safe for anti reflective coatings and a clean lint free cloth Water Immersion The unit is waterproof to IEC Standard 60529 IPX7 It can withstand immersion
6. IMPLIED OR STATUTORY INCLUDING ANY LIABILITY ARISING UNDER ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE STATUTORY OR OTHERWISE THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS WHICH MAY VARY FROM STATE TO STATE IN NO EVENT SHALL GARMIN BE LIABLE FOR ANY INCIDENTAL SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES WHETHER RESULTING FROM THE USE MISUSE OR INABILITY TO USE THIS PRODUCT OR FROM DEFECTS IN THE PRODUCT Some states do not allow the exclusion of incidental or consequential damages so the above limitations may not apply to you Garmin retains the exclusive right to repair or replace the unit or software or offer a full refund of the purchase price at its sole discretion SUCH REMEDY SHALL BE YOUR SOLE AND EXCLUSIVE REMEDY FOR 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 Securely pack the unit and a copy of the original sales receipt which is required as the proof of purchase for warranty repairs Write the tracking Fishfinder 400C Owner s Manual APPENDIX number clearly on the outside of the package Send the unit freight charges prepaid to any Garmin warranty service station Online Auction Purchases Products sold through online auctions are not eligible for rebates or other special offers from Garmin Online auction confirmations are not accepted for warranty verific
7. Selling AS Lec REFS MM RM 21 Changing the Display Settings 21 Changing the Sonar Settings 22 Changing the System Settings 23 Configuring Transducer Settings 23 Customizing Units of Measure eee 24 Advanced Settings niania Resetting the Odometer eene 26 Setting the Temp Log Duration and Scale 26 Appendix iia sers Bond rursus uke 27 SOC MI CAM RS 27 Optional Accessories essences 27 Alarms and Messages eeennenneennnnnnnnnnnnns 28 Limited Warranty aie DEA ARN NAAR ARR 29 Declaration of Conformity DOC 30 Software License Agreement eee 30 E a A E wiseduisnsrcoina A t 31 Fishfinder 400C Owner s Manual Product Registration Help us better support you by completing our online registration today Connect to our Web site at www garmin com registration Use this area to record the serial number 8 digit number located on the back of the Fishfinder 400C in case your Fishfinder 400C needs service Keep the original sales receipt or a photocopy in a safe place Serial Number Contact Garmin Contact
8. Water Alarm depth has been reached Simulating Operation the unit is in Simulator Mode Sonar Failed Unit Needs Repair there is an internal problem with the fishfinder Contact your dealer or Garmin Product Support to have the unit serviced Transducer Disconnected Sonar Turned Off there is not a transducer attached bad cable transducer or the transducer cable was disconnected If the transducer cable is removed while the unit is on reconnect and cycle power Water Speed Sensor Is Not Working the speed sensor is not detected Check the connections Entering Leaving target water temperature the target water temperature is 2 F 1 1 C above or below the temperature specified by the Water Temperature Alarm These messages appear when you enter or leave that zone Fishfinder 400C Owner s Manual 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 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 cover failures due to abuse misuse accident or unauthorized alteration or repairs THE WARRANTIES AND REMEDIES CONTAINED HEREIN ARE EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES EXPRESS
9. are missing contact your Garmin dealer immediately Before you begin the installation Read and follow the instructions to install the unit e Gather the appropriate fasteners and tools Verify that all cables can reach the unit mounting location and the transducer Wear safety goggles and a dust mask when drilling cutting or sanding If you experience difficulty installing the unit contact Garmin Product Support or contact a professional installer To install and use your fishfinder 1 Select a location for the fishfinder 2 Mount the fishfinder 3 Install the transducer 4 Install the wiring harness 5 Test the installation Fishfinder 400C Owner s Manual INSTALLING THE FISHFINDER 400C Step 1 Select a Location for the Fishfinder Consider the following when you select an installation location Provides optimal viewing as you operate your vessel Allows easy access to the unit s keypad sstrong enough to support the weight of the fishfinder and protect it from excessive 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 an area that is exposed to extreme temperature conditions NOTE The temperature range for the Fishfinder 400C is 5 F to 131 F 15 C to 55 C Extended exposure to temperatures exceeding this range in storage or operating c
10. surface of the hull and face of the transducer with 400 grit wet or dry sandpaper 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 Place the transducer in the epoxy turning the transducer to work out any air bubbles Weight the transducer in place and allow it to cure for 24 hours INSTALLING THE FISHFINDER 400C Step 4 Install the Wiring Harness The Fishfinder 400C comes with a wiring harness that connects the fishfinder to power and the transducer with one easy to remove connection and provides interface capabilities for connecting external devices The color code in the diagram see page 11 indicates the appropriate harness connections The replacement fuse is a AGC 3AG 3 Amp fuse If it is necessary to extend the power wires use 22 AWG wire DO NOT cut the transducer cable because this voids your warranty If your boat has an electrical system you might be able to wire the fishfinder directly to an unused holder on your current fuse block If you are using the boat s fuse block remove the in line fuse holder supplied with the fishfinder You can also wire the fishfinder directly to the battery CAUTION The Fishfinder 400C maximum input voltage is 35 Volts DC Do not exceed this voltage because this can damage the Fishfinder 400C and void the warranty e NOTE During a typical installation use only the Red and Black wires The other wire
11. 4 28 whiteline 22 wiring harness installing 10 12 Z zoom 25 2x 25 4x 25 depth 26 split 17 25 Fishfinder 400C Owner s Manual For the latest free software updates excluding map data throughout the life of your Garmin products visit the Garmin Web site at www garmin com A GARMIN 2006 2007 Garmin Ltd or its subsidiaries Garmin International Inc 1200 East 151 Street Olathe Kansas 66062 USA Garmin Europe Ltd Unit 5 The Quadrangle Abbey Park Industrial Estate Romsey S051 9DL UK Garmin Corporation No 68 Jangshu 2 Road Shijr Taipei County Taiwan www garmin com Part Number 190 00757 00 Rev B
12. E DO NOT mount the transducer behind strakes struts fittings water intake or discharge ports or anything that creates air bubbles or causes the water to become turbulent The transducer must be in clean non turbulent water for optimal performance Fishfinder 400C Owner s Manual INSTALLING THE FisHFINDER 400C 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 mount at the selected transom location Make sure the transducer is parallel with the water line Mark the center locations of each hole on the transducer mount Using a 5 32 bit drill the pilot holes approximately 1 25 mm deep at the marked locations To avoid drilling the holes too deep wrap a piece of tape around the bit at 1 from the point of the bit Apply marine sealant to the 5 x 30 mm screws Attach the transducer assembly to the transom using the 5 x 30 mm screws Adjust the transducer assembly to extend beyond the bottom of the transom approximately 1 8 3 mm on fiberglass hulls or 3 8 10 mm on aluminum hulls Adjust the transducer assembly to be aligned parallel with the water Tighten the 10 32 locking nut until it touches the mounting bracket and then tighten 1 4 turn more Do not overtighten Place the first cable clamp on the transducer cable approximately one third of the distance betw
13. also indicated Suspended targets appear as symbols No background c information appears Suspended targets appear as symbols with no background information shown The target depth of each symbol is indicated 22 Scroll Speed adjust the rate at which the sonar scrolls from right to left Ultrascroll Fast Medium or Slow If you have a speed capable transducer select Auto to have the scroll speed automatically adjust to your vessel s water speed Surface Noise show or hide the sonar returns near the surface of the water Hide surface noise to help reduce clutter Whiteline highlights the strongest signal from the bottom to help identify its hardness or softness Off default Whiteline is disabled High the most sensitive setting Almost all stronger returns are highlighted in white Medium many stronger returns are highlighted in white e Low the least sensitive setting Only the strongest returns are highlighted in white Numbers show or hide battery voltage water temperature or water speed if your transducer is capable NOTE To show water temperature or water speed change the setting to Auto If the connected transducer is capable the data is shown Fishfinder 400C Owner s Manual Changing the System Settings To change the system settings on the Configure screen highlight System and press SELECT Beeper set when the unit makes audible sounds The three settings are Off Ala
14. armin Web site www garmin com for current updates and supplemental information concerning the use and operation of this and other Garmin products Garmin CANet See Thru and Ultrascroll are registered trademarks or trademarks of Garmin Ltd or its subsidiaries and may not be used without the express permission of Garmin January 2007 Part Number 190 00757 00 Rev B Printed in Taiwan INTRODUCTION The Fishfinder 400C is a full featured color sonar that offers a choice of display styles a dual beam or dual frequency option and more Fishlinder 400C Tips and Shortcuts Press HOME from any screen to return to the Home screen Press MENU from any of the main screens to access advanced settings Press and release the D POWER key to adjust the display settings Fishfinder 400C Owner s Manual INTRODUCTION Quick Links Installing the Fishfinder 400C page 1 Mounting the Fishfinder 400C page 2 Installing the Transducer page 4 Basic Operation page 15 Customizing the Fishfinder 400C page 21 Changing the System Settings page 23 Customizing the Transducer Settings page 23 Advanced Settings page 25 Alarms and Messages page 28 INTRODUCTION Introduction ad Fishfinder 400C Tips and Shortcuts ee i ASU PEC IG cc i Product Registration retenti text cucine iii Caring for the Fishfinder 400C ss iii locui fe
15. ation To obtain warranty service an original or copy of the sales receipt from the original retailer is required Garmin will not replace missing components from any package purchased through an online auction International Purchases A separate warranty is provided by international distributors for units purchased outside the United States This warranty is provided by the local in country distributor and this distributor provides local service for your unit Distributor warranties are only valid in the area of intended distribution Units purchased in the United States or Canada must be returned to the Garmin service center in the United Kingdom the United States Canada or Taiwan for service Garmin Europe Ltd Unit 5 The Quadrangle Abbey Park Industrial Estate Romsey SO51 9DL UK Tel 44 0 870 8501241 outside the UK 0808 2380000 within the UK Fax 44 0 870 8501251 Garmin International Inc 1200 East 151st Street Olathe Kansas 66062 USA Tel 913 397 8200 or 800 800 1020 Fax 913 397 8282 Garmin Corporation No 68 Jangshu 2nd Road Shijr Taipei County Taiwan Tel 886 2 2642 9199 Fax 886 2 2642 9099 29 PPENDIX Declaration of Conformity DoC Hereby Garmin declares that this Fishfinder 400C is in compliance with the essential requirements and other relevant provisions of Directive 1999 5 EC To view the full Declaration of Conformity see the Garmin Web site for your Garmin pro
16. ce noise 31 INDEX numbers 22 numbers screen 19 O odometer resetting 26 optional accessories 27 P physical specifications 27 POWER BACKLIGHT key 15 power data and transducer cables 1 3 product registration iii Q quick links i R range 25 RANGE keys 15 registration See product registration reset odometer 26 ROCKER key 15 S scale 26 scroll speed 22 selecting a location for shoot thru hull installation 8 SELECT key 15 32 setting alarms See alarms settings advanced 25 26 display 21 sonar 22 system 23 transducer 23 shoot thru hull installation 8 simulator mode 23 using 15 software license agreement 30 sonar specifications 27 sonar settings changing 22 specifications 27 speed sensor 24 split frequency screen 18 split zoom screen 17 surface mounting the fishfinder 2 surface noise 22 suspended targets 22 swivel base 3 swivel mount bracket 3 system information viewing 23 T temperature range for the fishfinder 1 temp log screen 19 test the installation 13 tips and shortcuts i transducer 8 assembling 4 cables 1 dual beam 5 18 23 dual frequency 18 23 25 installing 4 7 settings 23 transom 7 transom mounting on a 6 transom mount installation 14 trolling motor mounting on a 5 U Ultrascroll 12 V voltage 10 Ww warnings iv warranty See limited warranty waterproof See water immersion water immersion iii water speed 24 calibrate 24 water temperature 2
17. ce you travel To reset the odometer 1 Press MENU 2 Highlight Reset Odometer and press SELECT 3 Highlight Yes and press SELECT Setting the Temp Log Duration and Scale On Temp Log screen press MENU to view advanced options Duration set the scope of time along the bottom of the graph Scale set the temperature span along the right side of the graph Fishfinder 400C Owner s Manual PPENDIX Specifications Physical Specifications Size 5 Hx 5 7 W x3 D 12 7 cm x 14 5 em x 7 62 cm Weight 1 20 Ibs 544 kg Display 4 0 diagonal 10 19 cm 3 21 Hx 241 W 8 16 cm x 6 12 em QVGA display with adjustable brightness 320 x 240 pixels capable of 4 096 colors Case Fully gasketed high impact plastic alloy waterproof to IEC 529 IPX7 standards Temp Range 5 F to 131 F 15 C to 55 C Power Source 10 35 VDC Usage 21 Watts max at 12 VDC Fuse AGC 3AG 3 0 Amp Sonar Power Dual Frequency 500 Watts RMS 4 000 Watts peak to peak Dual Beam 400 Watts RMS 3 200 Watts peak to peak Frequency 50 200 kHz dual frequency 80 200 kHz dual beam Depth 1 500 ft dual frequency 900 ft dual beam Depth capacity is dependent on water salinity bottom type and other water conditions Fishfinder 400C Owner s Manual APPENDIX Optional Accessories You can purchase the following optional accessories on the Garmin Web site www garmin com Flush Mount Kit mounts your fishfinde
18. cer lead is too short extension cables are available from your Garmin dealer Coil and secure any excess cable A CAUTION DO NOT cut the transducer lead or any part of the transducer cable because cutting the transducer cable voids your warranty The cable cannot be spliced and connected to any existing Garmin or non Garmin transducer cables The following pages contain tips and basic installation 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 installer Assembling the Transducer To assemble the transducer 1 Insert the rubber washer and plastic spacer into the transducer at the same time DO NOT lubricate the rubber washer Route the cable toward the back of the transducer Slide the transducer into the transducer mount Place a 5 mm flat washer on the 10 32 x 1 75 screw and insert the screw through the transducer mount spacer and rubber washer Place the remaining 5 mm flat washer on the exposed end Install the 10 32 lock nut finger tight You can tighten the transducer further after installation on the boat Cable tie slot Fishfinder 400C Owner s Manual Mounting the Transducer on a Trolling Motor Dual Beam Transducers Only To mount the transducer on a trolling motor 1 Slide the large cable tie through the slot on the transducer mount with the ridges of the band
19. duct www garmin com products fishfinder400c Click Manuals and then select the Declaration of Conformity link 30 Software License Agreement BY USING THE FISHFINDER 400C YOU AGREE TO BE BOUND 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 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 acknowledge that the Software is the property of Garmin and is protected under the United States of America copyright laws and international copyright treaties You further acknowledge that the structure organization and code of the Software are valuable trade secrets of Garmin and that the Software in source code form remains a valuable trade secret of Garmin You agree not to decompile disassemble modify reverse assemble reverse engineer or reduce to human readable form the Software or any part thereof or create any derivative works based on the Software You agree not to export or re export the Software to any country in violation of the export control laws of the United States of America Fishfinder 400C Owner s Manual INDEX A A scope 26 accessories 27 advanced settings 25 alarms 21 28 battery 21 deep water 21 drift 21 fish 21 shallow water 21 wat
20. een the transducer and the top of the transom INSTALLING THE FISHFINDER 400C 6 Mark the location Using a 1 8 bit drill a pilot hole approximately 3 8 10 mm deep 7 Attach the cable clamp using a 4 x 12 mm screw Coat the screw with marine sealant before installation Repeat steps 5 and 6 using the other cable clamp 8 Route the transducer cable as needed to the fishfinder DO NOT CUT THE CABLE Avoid routing the cable with electrical wires or other sources of electrical interference Drill pilot holes here Align with the transom bottom The transducer should extend 1 8 below fiberglass hulls or 3 8 below aluminum hulls Vertical Keep it parallel with the water line KR Shoot Thru Hull Installation To avoid drilling a hole to mount a thru hull transducer a transducer can be secured with epoxy inside 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 fiberglass with no core Contact your boat manufacturer if you are unsure Professional installation might be necessary Some transducers are specifically designed to be mounted inside a fiberglass hull The standard plastic transom mount transducer can also be mounted using this method If using a temperature sensing transducer the temperature shown
21. er 400C Wiring Harness Fishfinder 400C Owner s Manual 11 INSTALLING THE FISHFINDER 400C Connecting to a NMEA device You can connect the Fishfinder 400C to another piece of NMEA compatible electronic equipment such as a Garmin GPS Global Positioning System device If equipped with a capable transducer the Fishfinder 400C can send depth temperature and speed information Refer to the wiring diagrams on page 11 for connecting the Fishfinder 400C to NMEA compatible devices To install the wiring harness to a GPS or other NMEA device 1 Follow the voltage source installation steps see page 10 For Garmin units the ground Black wires serve as NMEA ground and must be attached together or on the same terminal Refer to the wiring diagram of your GPS unit for wire identification 2 Connect the Blue NMEA Out wire from the Fishfinder 400C to the NMEA In wire on the GPS NMEA unit s wiring harness 3 Turn on the Fishfinder 400C NMEA Output setting page 23 For Garmin GPS units set the communications interface to NMEA NMEA NMEA In NMEA Out or NMEA Interfacing with NMEA The Fishfinder 400C allows for NMEA 0183 Version 3 01 output with a compatible GPS or navigation device You must set NMEA Output On to send data page 23 12 The SDDBT SDDPT SDMTW SDVHW SDWPL sentences are sent in NMEA 0183 Version 3 01 output from the Fishfinder 400C You can purchase complete information about National Marine Elec
22. er temp 21 arches 22 B backlight adjusting 15 basic operation 15 beam 25 bottom lock 25 bracket assembly 2 C calibrate the speed sensor 24 CANet 12 27 caring for the fishfinder iii Fishfinder 400C Owner s Manual cleaning the case iii the screen iii clutter See surface noise configure screen 20 contact garmin iii customizing sonar settings 22 system settings 23 transducer settings 23 units of measure 24 D Declaration of Conformity 30 depth 24 line 26 range 25 span 26 zoom 26 display settings changing 21 distance 24 duration 26 F factory settings restoring 23 fish symbols 22 flasher 18 26 flush mount 2 27 frequency 25 full screen 17 fuse 10 27 G gain 25 GPS wiring toa 12 H HOME key 15 Home screen 16 l important information iv input voltage 10 installing 1 selecting a location 1 testing 13 the fishfinder on the mounting bracket 3 the mount 2 the transducer 4 on a transom 6 on a trolling motor 5 shoot thru hull 8 the wiring harness 10 to a Garmin CANet 12 interfacing with NMEA 12 INDEX K keel offset 23 adjusting 24 keypad using 15 L language changing 23 LCD screen 1 limited warranty 29 location for shoot thru hull installa tion 9 location for the fishfinder 1 M MENU key 15 messages 28 mounting bracket 3 bracket assembly 2 transducer on a transom 7 transducer on a trolling motor 5 N NMEA 12 NMEA device connecting to 12 noise See surfa
23. event water from seeping into the transom Mount the transducer parallel with the bottom Mount the transducer cable cover well above the waterline Transducer should extend gt 1 8 below fiberglass hull or 73 8 below aluminum hull Make sure that the transducer is below water level when the boat is on plane at high speed 1 i 1 1 i i i not mount the transducer directly in the ER path of the prop The transducer can cause cavitation that may degrade the boat s performance and damage the prop Fishfinder 400C Owner s Manual 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 water DO NOT mount the transducer behind strakes rivet lines struts fittings water intake discharge ports eroding paint or anything that creates turbulence Mount the transducer as close to the center 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 mount the transducer in the path of the prop on single drive boats The transducer can cause cavitation that can degrade the boat s performance and damage the prop On twin drive boats mount the transducer between the drives if possible e NOT
24. facing up until equal lengths extend on both sides of the mount NOTE For cold water or heavy timber or debris areas a metal 4 5 worm gear clamp is recommended 2 Position the mount gasket on the curved top of the transducer mount 3 Place the transducer assembly against the motor body of the trolling motor with 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 hole on the opposite end and pull it through until it is snug but not tight The cable tie clicks when you pull it 5 Position the transducer so that it is parallel with the bottom when in use and make sure the gasket is aligned properly Pull the cable tie end until tight Trim off the excess if necessary Tighten the 10 32 locking nut until it touches the mounting bracket and then tighten 1 4 turn more Do not overtighten Fishfinder 400C Owner s Manual INSTALLING THE FISHFINDER 400C 6 Route the 30 foot 9 m transducer cable using the supplied cable ties to secure the cable to the motor shaft You can fill the forward facing portion except the cable tie pocket of the transducer mount with sealant to avoid accumulating debris Cable tie Front of the transducer INSTALLING THE FISHFINDER 400C Mounting the Transducer on a Transom Apply marine sealant to all screw threads to pr
25. iles Hour mh Kilometers Hour kh or Knots kt with a compatible transducer Distance select Statute mi Metric km or Nautical nm with a compatible transducer Fishfinder 400C Owner s Manual DVANCED SETTINGS Press MENU on any screen to access advanced options Sonar Range MENU MENU Dual Frequency Dual Beam Range By default the range is set to Auto The range of the depth scale on the right side of the screen adjusts automatically as the depth readings increase or decrease Highlight Manual Range and press SELECT to manually adjust the scope of the depth scale Gain controls the sensitivity of the Fishfinder 400C s sonar receiver By default the Gain is set to Auto which automatically sets the sonar sensitivity Fishfinder 400C Owner s Manual ADVANCED SETTINGS Highlight Manual Gain and press SELECT to manually adjust the Gain To see more detail increase the Gain If there is too much detail or the screen is cluttered decrease the Gain Beam when using a Dual Beam transducer select a wide or narrow beam Frequency when using a Dual Frequency transducer select how the frequencies appear on screen By default the frequency is set to 200kHz You can specify that the unit uses only the 200kHz frequency the 50kHz frequency or Dual Frequency A NOTE If you choose Dual the Split Freq screen appears Zoom zoom in to a section of the Full Screen
26. ill the mounting holes e f you secure the base with machine bolts drill three 5 32 5 mm holes at the locations you marked OR e f you secure the base with self tapping screws drill starter holes at the locations you marked Do not make the starter holes deeper than half the screw length Secure the swivel base with three bolts or screws DO NOT OVERTIGHTEN Place the swivel mount bracket over the swivel base and secure it with the short knob Fishfinder 400C Owner s Manual INSTALLING THE FISHFINDER 400C Installing the Fishfinder 400C on the Mounting Bracket To install the unit on the mounting bracket 1 Align the slot on the back of the fishfinder with the long mounting knob and slide the fishfinder into place If necessary adjust the long knob to spread the bracket arms apart Turn counter clockwise to widen the bracket arms and clockwise to tighten Adjust the fishfinder angle and tighten the long mounting knob until snug b w Rotate the swivel mount bracket by twisting it left or right The bracket clicks as you turn it Select a good viewing angle and then tighten all knobs Connect the power data and transducer cables to the back of the fishfinder making sure the locking rings are fully tightened on both connectors INSTALLING THE FISHFINDER 400C Step 3 Install the Transducer Proper transducer installation is key to getting the best performance from your fishfinder If the transdu
27. in meter of water for 30 minutes Prolonged submersion can cause damage to the unit After submersion be certain to wipe and air dry the unit before reuse iii INTRODUCTION D Warnings Failure to avoid the following potentially hazardous situations could result in an accident or collision resulting in death or serious injury When navigating carefully compare information displayed on the unit to all available navigation sources including information from visual sightings and maps For safety always resolve any discrepancies or questions before continuing navigation 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 provided in accordance with California s Proposition 65 See www garmin com prop65 for more information LAMP S INSIDE THIS PRODUCT MAY CONTAIN MERCURY AND MUST BE RECYCLED OR DISPOSED OF ACCORDING TO LOCAL STATE OR FEDERAL LAWS Important Information The California Waste Recycling Act of 2003 requires the recycling of certain electronics For more information on the applicability to this product see www erecycle org iv Fishfinder 400C Owner s Manual INSTALLING THE FISHFINDER 400C To successfully operate your Fishfinder 400C you must properly install the fishfinder and all of its related parts Compare the contents of this package with the packing list on the box If any pieces
28. kHz frequency graph appears on the left a 200kHz frequency graph appears on the right page 18 Split Zoom Opens a split screen with the normal graph on the right zoomed to your preferred level on the left page 17 Numbers Opens a set of data fields to show information numerically page 19 Temp Log Shows a customizable graph of the water temperature when using a compatible transducer or sensor page 19 Configure Configure unit settings page 20 Fishfinder 400C Owner s Manual Understanding the Full Screen The Full Screen is the main screen for both dual beam and dual frequency transducers On the Home screen highlight Full Screen and press SELECT Depth Suspended targets Range Transducer mode j Bottom Fishfinder 400C Owner s Manual Basic OPERATION Understanding the Split Zoom Screen Use the Split Zoom screen to view the full sonar data from the graph as well as a zoomed in portion on the same screen On the Home screen highlight Split Zoom Screen and press SELECT Depth temperature and speed Transducer mode I Basic OPERATION Understanding the Flasher Screen The Flasher screen dual beam transducer only provides an almost instantaneous return of what is below your boat The depth scale is organized as a ring that starts at the top or 12 00 and progresses clockwise Sonar information flashes on the ring when it is received at the depth indicated on the inside ring Li
29. ke the regular graph The colors indicate different strengths of the sonar return On the Home screen highlight Flasher and press SELECT Voltage Flasher ring Understanding the Split Freq Screen Use the Split Freq screen dual frequency transducer only to view both the 50kHz and 200kHz frequencies on the same screen On the Home screen highlight Split Freq and press SELECT Depth temperature and speed Range Frequencies Fishfinder 400C Owner s Manual Understanding the Numbers Screen The Numbers screen shows data fields populated by important numeric information instead of a graph The data fields you see are determined by the capabilities of your transducer On the Home screen highlight Numbers and press SELECT 63 6 Water Temp 58 2 Voltage 14 2 Water Speed Odometer 8 7 0 0 All transducers show depth If you are using a temperature capable transducer the Water Temp field appears If you are using a speed capable transducer the Water Speed and Odometer fields appear Fishfinder 400C Owner s Manual Basic OPERATION Understanding the Temp Log Screen If you are using a temperature capable transducer the Temp Log screen keeps a graphic log of temperature readings over time The current temperature and depth are shown in the top left corner On the Home screen highlight Temp Log and press SELECT Temp and depth Temp range Time elapsed The temperature appears al
30. lecta color type measure scheme Language 0 0 Transducer 0 0 C Color Scheme f M CL Espanol Dual Beam ome ere Fr ancais nautical kt eeo Kt a3 E Back gt fax The Home screen appears after you select your configuration options After 15 seconds of inactivity the fishfinder automatically switches to Full Screen NOTE If the transducer is not detected a Transducer Disconnected Sonar Turned Off message appears Fishfinder 400C Owner s Manual 13 INSTALLING THE FISHFINDER 400C Because water is necessary to carry the sounder s sonar signal the transducer must be in the water to work properly You cannot get a depth or distance reading when out of the water When you place your boat in the water check for leaks around any screw holes that were added below the water line DO NOT leave your boat in the water for an extended period of time without checking for leaks To test the transom mount transducer installation T 14 Begin testing the installation at a slow speed If the sonar appears to be working properly gradually increase the boat s speed while observing the sonar s operation If the sonar signal is suddenly lost or the bottom return is severely degraded note the speed at which this occurs Return the boat to the speed at which the signal was lost Make moderate turns in both directions and see if the signal improves If the signal strength improves while
31. of Keel Enter negative number to show depth from the surface 23 CUSTOMIZING THE FISHFINDER 400C To adjust the Keel Offset 1 Highlight Keel Offset and press SELECT 2 Use the ROCKER to set the value of the keel offset 3 Press SELECT to accept the number Calibrate Water Speed to use a speed sensing transducer use this menu to calibrate the speed sensor If you are not using a speed sensing transducer this menu does not appear NOTE Press MENU to cancel your changes and return to the Transducer menu To calibrate the speed sensor 1 Highlight Calibrate Water Speed and press SELECT 2 Bring the boat to cruising speed Note your top speed and then stop the boat 3 Highlight OK and press SELECT NOTE If the boat is not moving fast enough or the speed sensor is not registering a speed a Speed Too Low message appears Highlight OK press SELECT and safely increase boat speed If you get the message again stop the boat and make sure the speed sensor wheel is not stuck If the wheel turns freely check the cable connections If you continue to get the message contact Garmin Product Support 24 Customizing Units of Measure To change the units of measure on the Configure screen highlight Units and press SELECT Depth select Feet ft Meters m or Fathoms fa Water Temp select Fahrenheit F or Celsius C with a compatible transducer Water Speed select M
32. onditions may cause failure of the LCD screen This type of failure and related consequences are NOT covered by the manufacturer s limited warranty INSTALLING THE FISHFINDER 400C Step 2 Mount the Fishfinder You can mount your fishfinder in one of two ways Surface Mount mount the fishfinder onto a bracket included that attaches to the console or overhead Flush Mount use the optional flush mount kit to mount the fishfinder into a flat panel See the Appendix for more information Surface Mounting the Fishfinder The Fishfinder 400C s compact waterproof case is suitable for mounting in exposed locations or at the nav station The Fishfinder 400C comes with a tilt swivel mounting bracket that can be used for console or overhead mounting Mounting the Bracket Assembly Tools not included drill screwdriver Phillips or standard and one of the following Three 8 4 mm pan head machine bolts 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 secure the swivel base If you use a screw with a countersunk head you risk damaging the mounting bracket Fishfinder 400C Owner s Manual To mount the bracket assembly 1 Using the swivel base as a template mark the location of the three holes that secure the bracket to the mounting surface Dr
33. ong the right side and the time elapsed appears along the bottom The graph scrolls to the left as information is received 19 Basic OPERATION Understanding the Configure Screen The Configure screen contains the main configuration options for the Fishfinder 400C From this screen you can define and adjust settings universal to all Fishfinder 400C screens On the Home screen highlight Configure and press SELECT Configure DDD EN EIG 20 Alarms set alarms to alert you of various events See page 21 Display customize display settings including backlight and Day Night mode See page 21 Sonar customize sonar settings See page 22 System set various system options See page 23 Transducer set transducer options See page 23 Units customize the units of measure shown on Fishfinder 400C screens See page 24 For more information on the Configure screen see the Customizing the Fishfinder 400C section beginning on page 21 Fishfinder 400C Owner s Manual CUSTOMIZING THE FisHFINDER 400C CUSTOMIZING THE FISHFINDER 400C Changing the Display Settings You can switch between Day and Night modes and brighten or Setti ng Alarms darken the backlight You can set the Fishfinder 400C to sound an audible alarm when To change the display settings on the Configure screen highlight certain conditions are met By default all alarms are turned off Display and press SELECT To set an alarm on the Configure sc
34. r flush on the bulkhead or cabin wall CANet Connection Kit allows you to connect your Fishfinder 400C to CANet capable Garmin chartplotters so you can read sonar displays on chartplotters located elsewhere in the boat 27 PPENDIX Alarms and Messages The Fishfinder 400C uses an on screen message system to alert you to unit operating characteristics When a message appears press SELECT to acknowledge the message and return to the screen you were viewing Battery Alarm battery voltage has fallen below the value entered in the Battery Alarm setup Battery Voltage Is Too High too much input voltage the unit shuts off in 10 seconds Decrease the input voltage to 35 Volts or less Boat Is Not Moving Fast Enough to Calibrate the boat is not moving fast enough for the speed wheel to provide a valid speed Can t Read Voltages That High Limited to Top of Range the voltage value in the Battery Alarm setup is higher than the unit can read Can t Read Voltages That Low Limited to Bottom of Range the voltage value in the Battery Alarm setup is lower than the voltage where the unit automatically turns off Deep Water Alarm the Deep Water Alarm depth has been reached 28 Drift Alarm the depth has changed by the amount of the Drift Alarm value Fish Alarm an icon appears and a beep sounds if enabled when a fish is detected This alarm does not show a message banner Shallow Water Alarm the Shallow
35. reen highlight Alarms and Sieve press SELECT CFIN n Press left or right Shallow Water Deep Water set an alarm to sound when the depth i on the ROCKER A Press left or right to adjust the is less than or greater than the specified value on the ROCKER backlight Fish set an alarm to sound when the unit detects a suspended to switch between Day and Night target of the specified symbols moda Water Temp set an alarm to sound when the transducer reports a temperature that is 2 F 1 1 C above or below the specified temperature Battery set an alarm to sound when the battery reaches a user determined low voltage Drift set an alarm to sound when the depth changes by the value specified Fishfinder 400C Owner s Manual 21 CUSTOMIZING THE FISHFINDER 400C Changing the Sonar Settings To change the sonar settings on the Configure screen highlight Sonar and press SELECT Color Scheme choose white or blue This affects the background on all sonar screens but does not change the Numbers or Temp Log screens Fish Symbols set how the Fishfinder 400C interprets suspended targets m The Fishfinder 400C does not interpret the sonar return Off d ata default Suspended targets appear as symbols Background sonar information appears making the distinction between fish and structure easier amp Suspended targets appear as symbols with background information shown The target depth of each symbol is
36. reflects the hull temperature Fishfinder 400C Owner s Manual 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 air space In an area of clean non turbulent water at all speeds The location must not be over any strakes or behind any obstruction on the hull that would create turbulence shoot thru hull transducer installation If you are unsure if your hull is equipped with a pre located pocket contact your hull manufacturer e NOTE Many modern hulls have a dedicated pocket for To test the location 1 Fabricate a test device from a section of PVC pipe or a can as shown in the following illustration 2 Temporarily seal the test device to the hull with caulking or RTV sealer and fill with water or light mineral oil 3 Place the transducer in the water pointed directly at the bottom and weight it down Set the unit for optimum performance If the sonar performance is significantly degraded another location must be tested Fishfinder 400C Owner s Manual Strip caulk or INSTALLING THE FisHFINDER 400C Weight the transducer to hold it in place SX PVC pipe or a can Fill a pipe or can with RTV sealer N water or a light mineral oil Hull surface Testing the Location To permanently install the transducer i Lightly sand the
37. rms Only default and On keys and alarms Simulator turn on the Simulator to have the Fishfinder 400C act as though a transducer is connected NMEA Output connect the Fishfinder 400C to NMEA compatible electronic equipment such as a Garmin GPS device and send information To do so you must change this setting to On For more information on connecting to a NMEA device see page 12 Language select the on screen language System Information view the current operating software version and your unit s unique internal unit ID Factory Settings reset the Fishfinder 400C to the factory settings You are prompted to confirm your choice to restore all factory settings Choose Yes Otherwise choose No to retain your current configuration Fishfinder 400C Owner s Manual CUSTOMIZING THE FisHFINDER 400C Configuring Transducer Settings To change the transducer settings on the Configure screen highlight Transducer and press SELECT Type select the transducer type Dual Frequency or Dual Beam Keel Offset offset the surface reading for the depth of a keel so you can measure depth from the bottom of your keel instead of from the transducer s location Enter a positive number to offset for a keel You can enter a negative number to compensate for a large vessel that may draw several feet of water Transducer at Surface Enter positive number to show depth from the bottom of keel Transducer at Bottom
38. s do not have to be connected for normal operation of the Fishfinder 400C unit For information on connecting to a NMEA or CANet compatible device see page 12 10 To install the wiring harness 1 Usea test light or voltmeter to determine the polarity of the voltage source 2 Connectthe Red or positive wire to the positive voltage terminal If you use the boat s fuse block route the positive connection through the fuse as shown on the diagram 3 Connectthe Black or ground wire to the negative voltage terminal 4 Install or check the 3 Amp fuse on the boat s fuse block or in the in line holder 5 Align the notches on the cable plug and on the back of the fishfinder Insert the cable into the connector and tum the lock ring counter clockwise until it stops 3 Amp fuse To 10 38 Volt boat supply der 400C ee A To Fishfin Fuse block Fishfinder 400C Owner s Manual INSTALLING THE FISHFINDER 400C WE To Transducer PIN 8 Black Ground PIN 7 Yellow Alarm RED VDC PIN 13 Red DC Positive PIN 12 White CANet H PIN 16 Green CANet L PIN 18 Blue NMEA Out BLACK Ground e Fishfinder 400C Pin Assignment DC Power Source B NM BLUE NMEA Out RXD NMEA Devi aI evice GREEN CANet L RXD WHITE CANet H Alarm Relay 100ma max coil current YELLOW Alarm Low Fishfind
39. tronics Association NMEA format and sentences from NMEA Seven Riggs Avenue Severna Park MD 21146 USA www nmea org Installing the Fishfinder 400C to a Garmin CANet The Fishfinder 400C is a CANet compatible sonar device Using the CANet if applicable optimizes the performance of CANet compatible units allowing sonar information from the Fishfinder 400C to be shared with up to two CANet compatible Garmin GPS units A standard NMEA connection only allows depth temperature and speed information to be sent to a single GPS device whereas a CANet connection provides full sonar readings including Ultrascroll so you can view and control the same information on your compatible GPS unit s as you can on your Fishfinder 400C NOTE To use the Garmin CANet with your Fishfinder 400C you must obtain a CANet Kit Contact your Garmin dealer or visit www garmin com Fishfinder 400C Owner s Manual INSTALLING THE FISHFINDER 400C Step 5 Test the Installation To turn on your Fishfinder 400C for the first time press and hold the C POWER key until the unit beeps and turns on Use the ROCKER and the SELECT key and follow the screens to configure your Fishfinder 400C e NOTE Although it is possible to perform some checks with the boat trailered the boat should be in the water to properly test the installation To configure your Fishfinder 400C for the first time Select a language Selecta transducer Select units of Se
40. turning adjust the transducer so that it extends another 1 8 below the transom of the boat It might take several adjustments to eliminate the degradation If the signal does not improve you might have to move the transducer to a different location NOTE When adjusting the depth of the transducer make the adjustments in small increments Placing the transducer too deep can adversely affect the boat s performance and put the transducer at greater risk of striking underwater objects Fishfinder 400C Owner s Manual Basic OPERATION Turning the Fishfinder 400C On or Off Press and hold the POWER key until the unit beeps and the Home screen appears you have to select a language transducer type units of measure and color scheme NOTE When you turn on the Fishfinder 400C for the first time Adjusting the Backlight Setting 1 Press and release the C POWER key 2 Press left on the ROCKER to decrease the brightness press right to increase Using Simulator Mode If a transducer is not connected no data is shown on the screens By turning on Simulator Mode the Fishfinder 400C acts as though a transducer is connected Use Simulator Mode to practice and learn how to use your Fishfinder 400C CAUTION When in Simulator Mode the depth temperature and speed information are simulated They do not represent the actual depth water temperature or vessel speed Fishfinder 400C Owner s Manual Basic OPERATION
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