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Humminbird 345C DI Fish Finder User Manual

1. 455 kHz and 800 kHz Down Imaging 200 kHz and 455 kHz traditional sonar Area of Coverage Down Imaging 75 10 dB in 455 kHz 45 10 dB in 800 kHz Traditional sonar 25 10 dB in 200 kHz 16 10 dB in 455 kHz Target Separation 0 00 00 ee 2 1 2 Inches 63 5 mm Power Requirement 0 0 00 cece eee eee ee 10 20 VDC LCD Matrix a5 n 06o Soateeasuteheeyarctencannedennseas 320 V x 240 H Transducer 0 eee teen eees XNT 9 DIT Transducer Cable Length 000005 20 ft 6 m Current Draw 0 cence eens 344 mA IPX Rating IP67 Waterproof Submersible 1 m for 30 minutes and dust tight NOTE Humminbird verifies maximum stated depth in saltwater conditions but actual depth performance may vary due to transducer installation water type thermal layers bottom composition and slope NOTE Product specifications and features are subject to change without notice 80 Specifications Glossary Sonar Terms Beam Sonar Beam The wide cone shaped projection of sound waves formed as sound travels underwater See Cone Angle Bottom Contour The profile of the bottom graphed to the display as the depth changes Bottom Hardness The density or composition of the bottom Varying levels of hardness can be determined by interpreting the thickness of the main sonar return Hard returns appear thin and black softer returns appe
2. Use the 4 WAY Cursor Control key to select Light or Background and then use the LEFT or RIGHT Cursor key to change the settings Press EXIT to exit the Light and Background submenu NOTE Your 300 Series Fishfinder will start up with the backlight on and will automatically turn it off to conserve power VIEW Key Q The VIEW key is used to cycle through all available views Press the VIEW key to advance to the next view Repeatedly pressing VIEW cycles through all views available Views can be hidden to optimize the system to your fishing requirements see Views or Setup Menu Tab NOTE Press the EXIT key to cycle through the views in reverse order Key Functions 31 MENU Key The MENU key is used to access the menu system See he Menu System for more information e Start Up Options Menu Press the MENU key during the power up sequence to view the Start Up Options menu e X Press Menu Press the MENU key once in any view to access the X Press Menu which provides frequently used menu settings that correspond with the current view e Main Menu Press the MENU key twice in any view to access the Main Menu which is organized under tabbed headings to help you find a specific menu item quickly 4 WAY Cursor Control Key LEFT RIGHT UP or DOWN Cursor keys The 4 WAY Cursor Control key has multiple functions which depend on the view menu or situation e Menu Selection Press the DOWN or UP Cursor keys
3. data in a traditional flasher format When Ice Fishing Mode is on the Circular Flasher View displays the data in flasher format with additional features including Zoom and Depth Cursor Also the fishfinder s sensitivity settings are adjusted automatically to accommodate ice fishing conditions These settings will apply to the other Sonar Views until you turn off the Ice Fishing Mode See Views Circular Flasher View for more information Sonar Menu Tab 67 Ea Imaging Colors Imaging Colors q Blue p Down Imaging Views only 345c DIJ Settings Blue Amber 1 Amber 2 Brown Green Inverse Gray Green Red Default Blue Imaging Colors allows you to select which color palette you would like to use for the Down Imaging display 68 Sonar Menu Tab Setup Menu Tab Advanced Setup Menu Tab Setup Menu Tab From any view press the MENU key twice to access the tabbed Main Menu then press the RIGHT Cursor key until the Setup tab is selected NOTE Menu options will vary depending on which accessories are attached to the unit NOTE Menu options can be expanded or simplified by setting the User Mode to Advanced or Normal See Main Menu User Mode for details 69 Units Depth Units Depth 4 Feet Settings Domestic Models Feet Fathoms International Models Meters Default Feet Meters Units Depth selects the units of measure for all depth related readouts Units Temp Units Temp 4 T
4. Aden Auto 000 Advanced Settings Auto 10 to 1000 feet 3 to 330 meters International Models only Default Auto Max Depth controls the maximum depth of operation When Max Depth is set to Auto the Fishfinder will acquire bottom readings as needed within the capacity of the unit When Max Depth is set to match your fishing maximum depth your Fishfinder will not attempt to acquire sonar data below that depth so more detail will be shown on the screen NOTE If the bottom is deeper than the Max Depth setting the digital depth readout will flash indicating that the Fishfinder cannot locate the bottom Water Type Water Type 4 Freh P Advanced Settings Fresh Salt shallow Salt deep Default Fresh Water Type configures your unit for operation in fresh or salt water In salt water you can also choose the shallow or deep setting Water Type affects the accuracy of deep water depth readings In salt water what would be considered a large fish might be 2 to 10 times bigger than a large fish in fresh water depending on the type of fish you are seeking The salt water setting allows for a greater range in fish size adjustment to account for this difference Ice Fishing Mode Ice Fishing Mode 4 Off Advanced Settings Off On Default Off Ice Fishing Mode controls how information is displayed in the Circular Flasher View When Ice Fishing Mode is off the Circular Flasher View displays Real Time Sonar RTS
5. Menu Option Name Setup User Mode Noise Filter Noise Filter ee 4 low gt Advanced ead requirements Settings Off Low Medium High1 High2 High3 Default Low Available Menu Settings Ae Soe eet and Default Noise Filter adjusts the sonar Noise Filter to limit interference on the display from sources such as your boat engine turbulence or other sonar devices Setting Description Menu Option as it appears on the screen 40 Main Menu User Mode Normal or Advanced Menu options can be simplified or expanded by setting your Fishfinder User Mode to Normal or Advanced Normal Mode is the default setting when you first power on your 300 Series Fishfinder Normal mode is provided for users who want greater simplicity and fewer menu choices Advanced Mode is provided for users who want the highest level of control over the Fishfinder Several menu settings are added to the Main Menu when the User Mode is changed to Advanced To change the User Mode setting 1 Press the MENU key twice to access the Main Menu 2 Press the RIGHT Cursor key until the Setup tab is selected 3 Press the DOWN Cursor key to highlight User Mode on the Setup main menu 4 Press the LEFT or RIGHT Cursor keys to change the User Mode setting Normal Advanced Default Normal NOTE Any changes made while in Advanced Mode will remain in effect after you switch back to Normal Mode For example the Select Readouts menu option is availab
6. Fishfinder Reconnect if necessary and power up the Fishfinder again to see if this fixes the problem e Replace the non functioning transducer with a known good transducer if available and power up the control head again e Check the transducer cable Replace the transducer if the cable is damaged or corroded Troubleshooting 715 Display Problems There are several main conditions or sources of possible interference that may cause problems with the quality of the information displayed on the control head Look in the following table for some symptoms of display problems and possible solutions Problem The control head loses power at high speeds When the boat moves at higher speeds the bottom disappears or suddenly weakens or the display contains gaps There are no fish detected even when you know they are in the water under the boat or sonar readings seem weak or faulty Possible Cause If the power output of your boat s engine is unregulated the control head may be protecting itself using its over voltage protection feature Make sure the input voltage does not exceed 20 Volts The transducer position may need to be adjusted A mix of air and water flowing around the transducer cavitation may be interfering with the interpretation of sonar data See your Installation Guide for suggestions on adjusting the transducer position Electrical noise from the boat s engine may be interfering with sonar re
7. International only Settings Celsius Fahrenheit Default Celsius Units Temp selects the units of measure for all temperature related readouts International Models only Units Distance Units Distance 4 7 Statute Miles gt n Temp Speed only Settings Domestic Models Statute Miles Nautical Miles Default Statute Miles International Models Meters Kilometers Meters Nautical Miles Feet Statute Miles Feet Nautical Miles Default Meters Kilometers Units Distance selects the units of measure for all distance related readouts This menu option is available if a Temp Speed accessory is connected and the paddlewheel has moved at least once Units Speed Units Speed 4 mph gt w Temp Speed only Settings Domestic Models mph kts International Models kph Default mph kph Units Speed selects the units of measure for speed related readouts This menu option is available if a Temp Speed accessory is connected and the paddlewheel has moved at least once 70 Setup Menu Tab MENE hsoa ona 4 Normal gt Settings Normal Advanced Default Normal User Mode sets the menu system to Normal or Advanced When set to Normal default setting the basic set of menu options are shown in the menu system When set to Advanced additional menu options are added to the menu system See Main Menu User Mode for details Language Language 4 English International only Settings Various Default Eng
8. ec cciscivccstcnscisssseviactensetseaitrsieescutiesnsdcustasdavddwsrarscteoueteanditnnciass Temp Offset Advanced sssssesieiesierierisrrrsrisrisrisrirsresrisrrsrrrinnrnrrnnresresrisrrsnrerrenrnns Digits Format Aavanced sa csscsucsssnssuonsisncsndcenevonsnncsniuntiniaesusiaskssnuenssakvasniattaciounianonoriact Speed Calibration Advanced with Temp Speed only cssc LVS HONS UAUION Ar E TAE E A E A E TEE Sound Control s seer ececsesiexepeececetstrestecte seumicnevacsen oaea rai aaa eii araa AE EE Troubleshooting Fishfinder Doesn t Power Up c cccscssccscsscsscscscscscscscscseseecesseesesesesesestsestesenscasens Fishfinder Defaults to Simulator with a Transducer Attached cccceee Display Problems vi sascanueaccninscustessonciinus deidiaseiusastaastadisiiinaiendneahudeainessweavinaavansdvabiesane Finding the Cause of Noise c cscccssssescsccsescsescsesesssssssescseessscscscsteeeesasseseeeeseeeess 300 Series Fishfinder Accessories Specifications Glossary Contact Humminbird 15 15 19 76 i 78 19 81 85 Table of Contents NOTE Entries in this Table of Contents which list International Only are only available on products sold outside of the U S by our authorized international distributors To obtain a list of authorized international distributors please visit our Web site at humminbird com or contact our Customer Resource Center at 334 687 6613 NOTE Entries in this Table of Content
9. focuses on a smaller area of the bottom to provide enhanced resolution With enhanced resolution the angler can more easily see fish hanging in structure or multiple fish hanging close together Zoom Bottom Lock Bottom Lock Zoom is a feature that focuses on a smaller area just above the bottom to provide enhanced resolution Unlike regular zoom it continuously graphs the bottom at a constant point on the display regardless of changes in depth This flattens out the bottom contour but is effective at showing fish on or near the bottom and is preferred by many saltwater anglers 84 Glossary Contact the Humminbird Customer Resource Center in any of the following ways By Telephone Monday Friday 8 00 a m to 4 30 p m Central Standard Time 1 800 633 1468 By e mail typically we respond to your e mail within three business days service humminbird com For direct shipping our address is Humminbird Service Department 678 Humminbird Lane Eufaula AL 36027 USA YY HUMMINBIRD 80
10. humminbird com or contact our Customer Resource Center at 1 800 633 1468 for details 18 Accessories 345c Specifications Depth Capability 0 00000 1000 ft 330 m Power Output 0 0 0 cece eee 300 Watts RMS 2400 Watts Peak to Peak Operating Frequency 200 kHz and 83 kHz DualBeam PLUS Area of Coverage DualBeam PLUS 60 10 dB in 83 kHz 20 10 dB in 200 kHz Target Separation 0 00 00 2 1 2 Inches 63 5 mm Power Requirement 20 0 cece eee 10 20 VDC LCD Matrix a3 cou avn tanen ee eee 5d acme os ae aaeeatesiad 320 V x 240 H Transducer 0 0c cette eee ees XNT 9 20 T Transducer Cable Length 0 00005 20 ft 6 m Current Draw 2 cette tenes 380 mA IPX Rating IP67 Waterproof Submersible 1 m for 30 minutes and dust tight NOTE Humminbird verifies maximum stated depth in saltwater conditions but actual depth performance may vary due to transducer installation water type thermal layers bottom composition and slope NOTE Product specifications and features are subject to change without notice Specifications 79 345c DI Specifications Depth Capability 250 ft 76 m Down Imaging 600 ft 183 m traditional sonar Power Output 0 00 ccc eee ee 300 Watts RMS 2400 Watts Peak to Peak Operating Frequency
11. means that the unit is having trouble locating the bottom This usually happens if the water is too deep the transducer is out of the water the boat is moving too fast or for any other reason that the unit can t accurately receive continuous data Views 19 Sonar Zoom View Sonar Zoom View provides a magnified view of the bottom and structure The Sonar Zoom View makes it easier to see separate sonar returns that would usually be displayed close together such as those caused by fish suspended close to the bottom or within structure e The Zoom Level or magnification is displayed in the lower left corner of the display Press the MENU key once to access the Sonar X Press Menu and use Zoom Level to adjust the zoom settings e The Zoomed View is displayed on the left side of the screen As the depth changes the zoomed view updates automatically e The Full Range View is displayed on the right side of the screen The Full Range View includes the Zoom Preview Box which shows where the zoomed view Is in relation to the full range view e The Upper and Lower Depth Range numbers indicate the high and low range of the water which is being viewed e Digital Readouts cannot be customized therefore information such as water temperature and voltage are unavailable in the Sonar Zoom View Sonar Zoom View Sty E Upper Depth Range ft l 2 we Hiii Full Range View Depth lt N N Upper Depth Range Zoom View Zoomed View X fuli Ra
12. sets the shallowest depth range that will be displayed on the Sonar Split Sonar Circular Flasher and Big Digits Views Upper Range is often used with Lower Range For example if you are only interested in the area between 20 and 50 feet deep you should set the Upper Depth Range to 20 and the Lower Depth Range to 50 The Sonar View will then show the 30 foot area between 20 and 50 and will not show the surface or the bottom assuming the bottom is deeper than 50 feet Greater detail will be shown for the area between 20 and 50 feet NOTE A minimum distance of 10 feet will be maintained between the Upper and Lower Range regardless of the manual settings entered 52 Flasher X Press Menu F gt Lower Range 63ft utoj o0 Settings Auto 10 to 1000 feet 3 to 330 meters International Models only Default Auto Lower Range sets the deepest depth range that will be displayed by the unit Auto The Lower Range will be adjusted by the unit to follow the bottom automatically Auto is the default setting Manual You can adjust the Lower Range to lock the unit on a particular depth Adjust the Upper and Lower Range together to view a specific depth range especially when looking for fish or bottom structure For example if you are fishing in 60 feet of water but are only interested in the first 30 feet surface to a depth of 30 feet you should set the Lower Depth Range limit to 30 The display will show the 0 to 30 foot range w
13. the Select Readouts option does not appear under the Setup lab change the User Mode to Advanced Press the UP or DOWN Cursor keys to select a Readout position then press the RIGHT or LEFT Cursor keys to choose what will be displayed in that position To hide the data window select Off 18 Views Sonar View Sonar View presents a historical log of sonar returns The most recent sonar returns are charted on the right side of the display As new information is received the historical information scrolls left across the display e Upper and Lower Depth Range numbers indicate the distance from the surface of the water to a depth range sufficient to show the bottom e Depth is automatically selected to keep the bottom visible on the display although you can adjust it manually as well see Sonar X Press Menu e Digital Readouts shown on the display will change based on the Select Readouts settings or the optional purchase accessories attached see Setup Menu Tab Select Readouts e Freeze Frame Use the 4 WAY Cursor Control key to freeze the display and move the cursor over a sonar return The depth of the sonar return will be displayed at the bottom of the screen in the cursor dialog box Sonar View THE aah Upper Depth pe pies i Ge Sin ae P Temperature a Triplog Spa RS ir ad Cursor Speed a i RTS Window Sonar History Window Cursor Dialog Box Lower Depth 26 Range NOTE If the Depth number is flashing it
14. to highlight a menu option then press the RIGHT or LEFT Cursor keys to change a menu setting The changes will be activated and saved immediately e Freeze Frame In Sonar View and Down Imaging View press any arrow on the 4 WAY Cursor Control key to freeze the display and move the active cursor to a location on the screen A cursor dialog box will display to show the depth of the location you choose e Active Cursor Press any arrow on the 4 WAY Cursor Control key and the active cursor will appear on the screen NOTE In Freeze Frame or Active Cursor mode you can also make the cursor move diagonally by pressing in between two of the arrows on the 4 WAY Cursor Control key e Circular Flasher View Ice Fishing Mode On Press the UP or DOWN Cursor keys to move the Depth Cursor Press the RIGHT or LEFT Cursor keys to adjust the Zoom Range see Views Circular Flasher View 32 Key Functions EXIT Key O Q The EXIT key has multiple functions which depend on the situation e f an alarm is sounding press the EXIT key to cancel the alarm e lf a menu tab is selected press the EXIT key to exit the menu mode and return to the view e f a menu is active press the EXIT key to return to the previous level in the menu system e From any view press the EXIT key to cycle through the available views in reverse order e f Freeze Frame is active press the EXIT key to return to a scrolling display e If the Cursor is activ
15. too shallow Temperature Water surface temperature Bottom Return Use the appearance of the bottom return to determine bottom hardness Rock and gravel provide a clearer sonar return than mud and sand because hard objects reflect sonar better than soft objects Topography Changes The light part of the display shows where the beam is hitting hard bottom or rising terrain The dark part of the display indicates soft bottom sand mud or descending terrain Speed If a Temp Speed accessory is connected the Fishfinder can display the speed of the boat and can keep a Iriplog of nautical or statute miles traveled NOTE Entries in this view that list with Temp Speed are available if the accessory is What s on the Down Imaging Display 13 Down Imaging models only 345c DI information about the area directly below your boat The razor thin high display Down Imaging reveals a variety of recognizable features so that you Upper Range Clouded Area may indicate a bait ball and White Streaks may indicate fish Structure Shadows Result from a lack of reflected sonar from a particular area and can be as valuable for interpretation than the sonar reflected by the object itself Use shadows to help you see the image in 3 dimensions Oriented in space You can gain insight into the actual shape of an object or the depth to which it has sunk into the bottom through shadows on the display Objects s
16. 345c and 345c DI Operations Manual 531955 1EN_A 345cpi GPS Fishfinder ZOOM HUMMINBIRD 300 Series Thank You Thank you for choosing Humminbird America s 1 name in fishfinders Humminbird has built its reputation by designing and manufacturing top quality thoroughly reliable marine equipment Your Humminbird is designed for trouble free use in even the harshest marine environment In the unlikely event that your Humminbird does require repairs we offer an exclusive Service Policy free of charge during the first year after purchase and available at a reasonable rate after the one year period For complete details see the separate warranty card included with your unit We encourage you to read this operations manual carefully in order to get full benefit from all the features and applications of your Humminbird product To contact our Customer Resource Center call 1 800 633 1468 or visit our Web site at humminbird com WARNING This device should not be used as a navigational aid to prevent collision grounding boat damage or personal injury When the boat is moving water depth may change too quickly to allow time for you to react Always operate the boat at very slow speeds if you suspect shallow water or submerged objects WARNING Disassembly and repair of this electronic unit should only be performed by authorized service personnel Any modification of the serial number or attempt to repair the origin
17. LOONT NOI ae S E OE 65 83 kHz Sensitivity Advanced DualBeam PLUS Sonar only PASC sccccee 65 455 kHz Sensitivity Advanced Down Imaging only 345 DI accses 65 Deppin Lines Avance ss srransatcaresanrseuiiestentaruiasteainen a aa A 66 Noise Filter Advanced cccccccccscccssssecscssscesssssscccsseesssssccssssssesesseceecnsesessseseceesseceeenens 66 Max Depi Advanced wvcasctsmesseatoreasirehs tiaras deisieianeeneatnTeenenaaieals 67 Water Type Advanced accinccnsdtarexasisssararivactuenivantnnassevsniatabalvdcaiaavnevaciaiiivnncaadeaineaatunas 67 ice FISHING Mode Moanced somenis a T ness 67 Imaging Colors Down Imaging Views only 945c DI sousse 68 Setup Menu Tab 69 Units De piissornaraairiosoe saaa a 70 Units Temp nternational only cecccccccceccsccssssssssesscsescscscessssssessesesseneseeeesesnesseeen 70 Units Distance with Temp Speed only asss 70 Units Speed with Temp Speed only aossen 70 PS MOG E cosets E A S beet A E A eee miceu teenies 71 Language 100 O sesno Ea i 71 Triplog Reset with Temp Speed only cccccscesessssssssssesesseessscsesssssssssssessenseseeseeeees 71 Restore Defaults onnnnonenssseertsesnrenesnttsesnnrensnntneonnnseenntnsennnneonnnnnennnntennnntenntnneans 71 Select Views Advanced cceccecccseccescscescecescesescescsceeceececsecaecacsesacsecaceetesaseavaeeareeeateees 12 Table of Contents Select Readouts Advanced Sonar View and Down Imaging View only Depth Offset Aavanced
18. Menu Tab Troubleshooting Before contacting the Humminbird Customer Resource Center please read the following section Taking the time to review these troubleshooting guidelines may allow you to solve a performance problem yourself and therefore avoid sending your unit back for repair Fishfinder Doesn t Power Up If your Fishfinder doesn t power up use the Installation Guide that also comes with it for specific confirmation details making sure that e The power cable is properly connected to the Fishfinder control head e The power cable is wired correctly with red to positive battery terminal and black to negative terminal or ground e The fuse is operational e The battery voltage of the power connector is at least 10 Volts Correct any known problems including removing corrosion from the battery terminals or wiring or actually replacing the battery if necessary Fishfinder Defaults to Simulator with a Transducer Attached A connected and functioning transducer will cause the newly started Fishfinder to go into Normal operating mode automatically If when you power up the Fishfinder it goes into Simulator mode automatically even though a transducer is already connected this means that the control head is not detecting the transducer Perform the following troubleshooting tasks e Using the Installation Guide that also comes with your Fishfinder check to make sure that the transducer cable is securely connected to the
19. Range Views 29 What s on the 300 Series Control Head Your 300 Series Fishfinder interface is easy to use A combination of keys and special features allows you to control what you see on the display Refer to the following illustration and see Key Functions for more information Screen MENU key Q VIEW key EXiTkey 4 WAY Cursor Control key POWER LIGHT key Q LEFT RIGHT UP or DOWN Cursor keys 30 The 300 Series Control Head Key Functions Your Fishfinder user interface consists of a set of easy to use keys that work with various on screen views and menus to give you flexibility and control over your fishing experience POWER LIGHT Key The POWER LIGHT key is used to power the Fishfinder on and off You can also use the POWER LIGHT key to adjust the backlight and contrast of the display Power On the control head Press the POWER LIGHT key to power on the unit When the Title screen is displayed press the MENU key to access the Start Up Options Menu Power Off the control head Press and hold the POWER LIGHT key for 3 seconds A message will appear to indicate how many seconds there are until shutdown occurs To ensure that shutdown occurs properly and any menu settings will be saved your Fishfinder should always be turned off using the POWER LIGHT key Adjust the Backlight or the Display g Background Color Press the POWER LIGHT key M Back d 1 to access the Light and Background submenu
20. TOTAL TIME 14 5 hog PCB S N 1 0001 001 Press VIEW for Next Screen Accessory Test SYSTEM STATUS Accessory Test lists the accessories connected to the system ACCESSORY TEST Aux Temp UNCONNECTED speed UNCONNECTED WOTE The speed accessory will be detected only Temperature CONNECTED the paddlewheel has moved since your o o Start Up Options Menu 37 gp X Press Menu The X Press Menu provides a shortcut to your E gt Lower Range most frequently used settings The options Auto provided on the X Press Menu correspond hb Chart Speed with the current view For example if you are in g a Sonar View and press the MENU key once the Sonar X Press Menu will display fe Sensitivity 1 X Press Menu To use an X Press Menu 1 In any view press the MENU key once 2 Press the UP or DOWN Cursor keys to highlight an X Press Menu option then press the RIGHT or LEFT Cursor keys to change the menu setting NOTE The X Press Menu will collapse temporarily and the screen will update if it is affected by your menu setting change which allows you to see the effects of your change immediately 3 Reactivate the X Press Menu by pressing the UP or DOWN Cursor keys Total Screen Update When you change any menu settings that affect the current view the view will update immediately i e you don t have to exit the menu to apply the change to the
21. al equipment or accessories by unauthorized individuals will void the warranty WARNING This product contains chemicals known to the State of California to cause cancer and or reproductive harm WARNING Do not travel at high speed with the unit cover installed Remove the unit cover before traveling at speeds above 20 mph NOTE Some features discussed in this manual require a separate purchase and some features are only available on international models Every effort has been made to clearly identify those features Please read the manual carefully in order to understand the full capabilities of your model ENVIRONMENTAL COMPLIANCE STATEMENT It is the intention of Humminbird to be a responsible corporate citizen operating in compliance with known and applicable environmental regulations and a good neighbor in the communities where we make or sell our products WEEE DIRECTIVE EU Directive 200Z 96 EC Waste of Electrical and Electronic Equipment Directive WEEE impacts most distributors sellers and manufacturers of consumer electronics in the European Union The WEEE Directive requires the producer of consumer electronics to take responsibility tor the management of waste from their products to achieve environmentally responsible disposal during the product life cycle WEEE compliance may not be required in your location for electrical amp electronic equipment EEE nor may it be required for EEE designed and intended as fixed
22. an display or hide any view to suit your fishing preferences See the following pages for more information about each View NOTE When you change any menu settings that affect the sonar the view will update immediately You don t have to exit the menu to apply the change to the screen Views 17 To customize your view rotation You can choose which views are hidden or visible in your view rotation 1 Press the MENU key twice to access the tabbed Main Menu then press the RIGHT Cursor key until the Setup tab is selected Press the DOWN Cursor key to highlight Select Views and press the RIGHT Cursor key to access the Select Views submenu NOTE If the Select Views option does not appear under the Setup tab change the User Mode to Advanced Press the UP or DOWN Cursor keys to select a View Press the LEFT or RIGHT Cursor keys to change the status of the view from Hidden to Visible or vice versa To change the Digital Readouts Each view displays digital readout information such as speed or time which varies with the view selected and the accessory attached The digital readouts on the Sonar View can be customized See Setup Menu Tab Select Readouts for more information i Press the MENU key twice to access the tabbed Main Menu then press the RIGHT Cursor key until the Setup tab is selected Press the DOWN key to highlight Select Readouts and press the RIGHT Cursor key to access the Select Readouts submenu NOTE If
23. appears The sound pulses are transmitted at various frequencies depending on the application Very high frequencies 455 kHz are used for greatest definition but the operating depth is limited High frequencies 200 kHz are commonly used on consumer sonar and provide a good balance between depth performance and resolution Low frequencies 83 kHz are typically used to achieve greater depth capability The power output is the amount of energy generated by the sonar transmitter It is commonly measured using two methods e Root Mean Square RMS measures power output over the entire transmit cycle e Peak to Peak measures power output at the highest points The benefits of increased power output are the ability to detect smaller targets at greater distances ability to overcome noise better high speed performance and enhanced depth capability 3 Z00kHD 60 Degree Total Coverage Bottom Coverage 1 x Depth DualBeam PLUS Sonar DualBeam PLUS models only 345c Your 345c Fishfinder uses a 200 83 kHz DualBeam PLUS sonar system with a wide 60 area of coverage DualBeam PLUS sonar has a narrowly focused 20 center beam surrounded by a second beam of 60 expanding your coverage to an area equal to your depth In 20 feet of water the wider beam covers an area 20 feet wide DualBeam PLUS sonar returns can be blended together viewed separately or compared side by side DualBeam PLUS is ideal f
24. ar thicker and less black It is important to note that a sonar return from a sloping bottom can have the appearance of a softer bottom Cavitation The effect of air bubbles created as the propeller rotates and the boat moves through the water Cone Angle The angular measurement of the sonar beam at a specific dB down point i e 10 dB See dB Down Point Dead Zone The area of the sonar beam that receives the sonar signal after the main bottom return Fish and other objects close to the bottom that fall within the dead zone will probably not be visible in the sonar beam Precision sonar beams such as the Humminbird 20 beam have a smaller dead zone than wider sonar beams Decibel The measurement for sound pressure level or intensity of the sonar return See dB Down Point dB Down Point The standard decibel level at which the sonar cone angle is measured and is written as 10 dB or 3 dB Measurements at smaller down points bigger negative numbers indicate that the less intensive sonar signals are being used for the measurement Display FSTN Film Super Iwist Nematic FSTN is a monochrome display technology characterized by black high contrast pixels All monochrome fixed mount Humminbird products use FSTN technology Frequency A measure of the number of sound wave cycles per second of a sound impulse transmitted underwater A typical frequency for fishfinders is 200 kHz which offers a good balance of per
25. at has been classified as being a fish Three different fish size icons represent the intensity of the sonar return and provide an indicator of relative fish size In DualBeam PLUS models 345c targets detected in the 200 kHz narrow beam are represented as orange fish symbols and targets detected in the 83 kHz wide beam are represented as blue fish symbols Ci 1 aS et ai Gi Narrow Beam Wide Beam Orange Fish Symbols Blue Fish Symbols In Down Imaging models 345c DI targets detected in the 455 kHz conical beam are represented as orange fish symbols and targets detected in the 200 kHz conical beam are represented as blue fish symbols When Fish ID is turned off the Fishfinder shows only the raw sonar returns on the display These returns will often result in arches forming on the display indicating potential targets Due to the transducer beam angle the distance to a fish decreases as the fish moves into the beam and then increases as it moves out again creating a Fish Arch when this distance change is shown on the display Boat speed chart speed and the position of the fish within the sonar beam greatly affect the shape of the arch Transducer Cone and Fish Arches 62 Sonar Menu Tab Fish ID Sensitivity 5 Fish ID Sensitivity 1 ee Settings Low 1 High 10 Default 5 Fish ID Sensitivity adjusts the threshold of the Fish ID detection algorithms Selecting a higher setting allows weaker returns to b
26. attery Alarm sounds when the input battery voltage is equal to or less than the menu setting The battery alarm will only sound for the battery that is connected to the Fishfinder The Low Battery Alarm should be set to warn you when the battery voltage drops below the safety margin that you have determined For example if you are running a trolling motor battery operated you would want to set the Low Battery Alarm to sound before the battery voltage drops too low for it to be used to start your main gasoline powered engine 56 Alarms Menu Tab Temp Alarm Off Temp Alarm orr ee 5 Settings Off 33 120 Fahrenheit 0 50 Celsius International Models only Default Off Temp Alarm sounds when the water temperature detected by the Fishfinder reaches the Temp Alarm setting which is either set in degrees Fahrenheit or Celsius International Models only For example if the Temp Alarm is set to 58 degrees Fahrenheit and the water temperature falls from 60 degrees to 58 degrees the Temp Alarm will sound Similarly if the water temperature rises from 56 degrees to 58 degrees the Temp Alarm will also sound Alarm Tone Alarm Tone 4 Medium gt Settings High Medium Low Default Medium Alarm Tone selects the pitch of the alarm sound A brief tone will be produced as you adjust the Alarm Tone so that you can select the tone that you can hear best Alarms Menu Tab 57 Sonar Menu Tab Press the MENU key twice to a
27. ccess the Main Menu and then press the RIGHT Cursor key until the Sonar tab is selected NOTE Menu options can be expanded or simplified by setting the User Mode to Advanced or Normal See Main Menu User Mode for details NOTE Menu options are determined by your Humminbird model See the following pages for full menu descriptions Sonar Menu Advanced Mode 58 Sonar Menu Tab Beam Select Beam Select q 200kH2 gt Settings DualBeam PLUS 200 83 kHz 200 kHz 83 kHz Down Imaging 200 kHz 455 kHz Default 200 kHz Beam Select sets which sonar returns from the transducer will be displayed on the screen The available beam frequencies are determined by your Humminbird model DualBeam PLUS models 345c allow you to choose 200 83 kHz 200 kHz or 83 kHz e When set to 200 83 kHz the returns from both beams are blended by starting with the 83 kHz wide beam return dimming it and then overlaying it with the 200 kHz narrow beam return The darker 200 kHz narrow beam sonar returns will stand out from the paler 83 kHz wide beam sonar returns The Split Sonar View continues to display the sonar returns from each beam in their respective windows The blended information is shown in the Sonar View Sonar Zoom View and the Big Digits View The RTS Window in the Sonar View and the Circular Flasher View will only show the returns from the 200 kHz narrow beam e When set to 200 kHz only the returns from the 200 kH
28. ception See Finding the Cause of Noise for more information Sonar readings may be affected if the transducer is not positioned correctly i e mounted at an angle not straight down or there is some kind of mechanical interference either because it is mounted inside a hull that is too thick for proper sonar transmission the bond between the transducer and the hull is not airtight or because the transducer is dirty Check with your Installation Guide for guidance on re positioning the transducer and make sure the transducer Is clean Low battery voltage may be affecting the power of signal transmission Electrical noise from the boat s engine may be interfering with sonar reception See Finding the Cause of Noise for more information 76 Troubleshooting Finding the Cause of Noise Electrical noise usually affects the display with many black dots at high speeds and high sensitivity readings One or more of the following sources can cause noise or interference Possible Source of Noise Isolation Other electronic devices Turn off any nearby electronic devices to see if the problem goes away then turn them on one at a time to see if the noise re appears The boat s engine To determine whether the boat s engine is the source of the noise increase the RPMs while the boat is in neutral and stationary to see if the noise increases proportionately if noise appears when you rev the engine the problem could be the spark plugs a
29. cscsrereseretesteteeees 49 PUTT AIG eee E E E EE 50 TTA E CG e EEEE E EE A EE S A E E E N A ET E 50 an GO aore e E A E E a acvotseseeaeee 50 Flasher X Press Menu Circular Flasher View only 51 POU SMO seca eae N EENAA AAA cece O E AA N themes 52 Upper Range Advanced Sonar Split Sonar Circular Flasher and Big Digits Views only wesc 52 POU ORE MAING coaie E 53 Color Palette Circular Flasher Ice Fishing Mode only ecccccccceecssescsesescsssesessesesseseeees 53 Zoom Level Circular Flasher View Ice Fishing Mode only i ssssesvseccsecsescssssssseteeseseees 54 Alarms Menu Tab 55 Baine E a EI E AA E AS T 56 POET OA e T 56 Low Bater Alai seuranneina eea o 56 MUU es TALI epe E E E EE of Aar SOULE cotvessessonicnctscasniacsasinna E E E nich EEE E E 57 Sonar Menu Tab 58 Beam Select scodtisinanssadesisivanecestecisasnersenaroiathonwicravansandsniassisirseotcmrenmisaisihaseigisunimensenteas 59 Imaging Frequency Down Imaging Views only 945c Df eccsscsvscsceveveceserereteresees 60 Table of Contents Suriaco CIOT spnipsucmcesaiatnastuossionrtastioneneds csieutaqceed Iineisendstonianne sneezes RS 61 SALE E T a LA e ME T E A A A E S E 61 AAD E S N EE E EEE A AN A E E E EEE E 62 SAID SOM SMUT oorsese aa eE tees 63 Real Time Sonar RTS Window soci ccccccs ccs cecsecaseeascstanleveacetssreeenctenwtaideuaveedees 63 Sonar Colors Sonar View Sonar Zoom View and Big Digits View asss 64 BOORI VICO sacesatacegacotee gas axccetsurvg E E E 64
30. depth of the sonar return at the cursor location will be displayed in the cursor information box Down Imaging View 89 8 Ba GO Temperature 6 1 Surface Clutter White Streaks possibly vegetation or fish Bottom Return Lower Depth Range Speed B G NOTE See What s on the Down Imaging Display and Down Imaging X Press Menu for more information Views 23 Circular Flasher View Circular Flasher View provides two ways to view sonar data in traditional flasher format The view is controlled by the Ice Fishing Mode menu option in the Sonar Menu Tab e When Ice Fishing Mode is off the Circular Flasher View displays Real Time Sonar RIS data in a traditional flasher format e When Ice Fishing Mode is on the Circular Flasher View displays the sonar data in traditional flasher format with additional features including Zoom and Depth Cursor Set the Circular Flasher View Mode 1 Press the MENU key twice 2 Press the RIGHT Cursor key until the Sonar Menu Tab is selected 3 Press the DOWN Cursor Key to select Ice Fishing Mode Press the RIGHT or LEFT Cursor key to select On or Off Default Off See Sonar Menu Tab for more information 24 Views Ice Fishing Mode Off When Ice Fishing Mode is off the Circular Flasher View displays Real Time Sonar RTS data in a traditional flasher format e Flasher X Press Menu Press the MENU key once in the Circular Flasher View Use the X Pre
31. e press the EXIT key to remove the cursor from the display Key Functions 33 The Menu System The Menu System is divided into easy to use menu modules as follows e Start Up Options Menu Press the MENU key during the power on sequence to view the Start Up Options Menu From the Start Up Options Menu you can choose the following Fishfinder Modes Normal Simulator and System Status e X Press Menu The X Press Menu provides a shortcut to the most frequently used settings and the options on the X Press Menu correspond with the current view e Main Menu The Main Menu is a standard set of menu settings which are organized under the following tabbed headings Alarms Sonar and Setup NOTE The X Press Menu s and the Main Menu options can also be expanded or simplitied by setting the User Mode to Advanced or Normal see Main Menu User Mode 34 The Menu System Start Up Options Menu Press the MENU key during the power on sequence to view the Start Up Options Menu and select one of the modes described on the following pages Also see Power On for additional information Start Up Options Press Right Cursor Arrow to Select Normal Use Normal for on the water operation with a transducer connected If a functioning transducer is connected Normal operation will be selected automatically at power up and your Fishfinder can be used on the water To exit Normal operation power off your Fishfinder Star
32. e and select the area you want to magnify The zoomed view is shown on the right side of the flasher dial between two lines The normal view is shown on the left side of the flasher dial 5 Close Zoom Press the MENU key Select Zoom Level from the X Press Menu and press the LEFT Cursor key to select 1X Circular Flasher Zoom Normal View reading the tull depth of the water column Zoom Line upper limit Press the RIGHT or LEFT Cursor Zoom Line lower limit key to change Zoom View the Zoom 2X magnification Range 28 Views Down Imaging Sonar Combo View Down Imaging models only 345c DI Down Imaging Sonar Combo View shows traditional Sonar information on the top of the screen and Down Imaging sonar information on the bottom e X Press Menu Press the MENU key once to access the Down Imaging X Press Menu You can set the sensitivity of the sonar the chart scrolling speed and the display color palette see Down Imaging X Press Menu and Sonar X Press Menu e Freeze Frame Press any arrow on the 4 WAY Cursor Control key and the view will freeze and a cursor will appear on both views on the screen Use the 4 WAY Cursor Control key to move the cursor over a sonar return and the depth of the sonar return will be displayed in the cursor dialog box Down Imaging Sonar Combo View Depth Upper Depth Range Traditional Sonar Window Down Imaging Sonar Window Lower Depth
33. e displayed as fish This is useful for identifying smaller fish species or baitfish Selecting a lower setting displays fewer fish from weak sonar returns This is helpful when seeking larger species of fish Fish ID Sensitivity is used in conjunction with Fish ID Fish ID must be on for Fish ID Sensitivity to affect the ability of the Fishfinder to identify sonar returns as fish RTS Window Real Time Sonar RTS Window 4 Narrow P Settings Wide Narrow Off Default Narrow RTS Window sets the RTS Window to either Wide or Narrow or turns it off in the Sonar View The RTS Window always updates at the fastest rate possible and only displays returns that are within the transducer beam See What s on the Sonar Display for more information NOTE The Wide RIS Window does not use grayscale RTS Window Wide RTS Window Narrow o o RTS Window Off Sonar Menu Tab 63 C q Original Palette p Sonar View Sonar Zoom View Circular Flasher View and Big Digits View Settings Gray Green Inverse Original Palette Palette 1 Palette 2 Palette 3 Default Original Palette Sonar Colors allows you to select which color palette you would like to use for the display The palette you choose will be applied to the Sonar View Sonar Zoom View Circular Flasher View Ice Fishing Mode Off and Big Digits View e Gray Light Gray weak to Black strong e Green Dark Green
34. eadout 1 D Advanced Sonar View and Readout a Settings Various Default Off The readout Select Readouts sets the information to display Readout 3 positionon in each of the 5 fixed position data windows ie tae arranged around the left and bottom edges of Readout 4 the Select the Sonar View screen To leave the data Readouts window blank select Off See Views to change Voltage Window the Select Readouts Readout 5 of Data windows can display readouts from Supported accessories such as Temp Speed Each data window can be empty or contain one Select Readouts a of the following information categories e Speed e Temperature o Triplog e Voltage NOTE The availability of the digital readout information corresponds with the view selected and the accessory attached 1 Setup Menu Tab Default Sonar View Sonar View with Select Readouts _156 37 851sm A 5 4mph Po Depth Offset 0 0ft Depth Offset 10 0 10 0 Advanced Settings 10 0 to 10 0 feet or 3 0 to 3 0 meters International Models only Default 0 feet Depth Offset will adjust the digital depth readout to indicate depth from the waterline or boat s keel Enter a positive vertical measurement from the transducer to the waterline to read the depth from the waterline Enter a negative vertical measurement from the transducer to keel to read the depth from the keel Temp Offset 0 0 Temp Offset 10 0 10 0 Advanced Settings 10 0 to 10 0 degr
35. ees Default 0 Temp Offset will adjust the temperature readout by the amount entered Setup Menu Tab 73 Digits Format Digits Format q Small tenths gt Advanced Settings Small tenths Large tenths No tenths Default Small tenths Digits Format adds a tenth decimal place to the readouts such as Temperature and Depth Use the settings to change the display of the decimal place or remove it from the digital readouts Examples of the different settings are displayed below Also see Se ect Readouts and Views 217 217 2T Small tenths Large tenths No tenths Speed Calibration 07 Speed Calibration 20 aa Advanced with Temp Speed only Settings 20 to 20 Default 0 Speed Calibration will adjust the speed readout by the percentage entered This menu option is available if a Temp Speed accessory is connected and the paddlewheel has moved at least once q Visible Settings Off Visible Default Visible Demonstration controls whether the Demonstration Mode is visible or off The Demonstration Mode appears on the screen if you don t press any keys during the warning screen at power up Menu settings cannot be saved in Demonstration see Power On and Start Up Options Menu Sound Control Sound Control q AllSounds p Settings No Sounds Alarms Only All Sounds Default All Sounds Sound Control allows you to set when the control head will beep or sound because of key presses and or alarms 74 Setup
36. elation to the bottom What s on the Down Imaging Display 15 Down Imaging Sensitivity Use Imaging Sensitivity to control how the sonar returns appear on the display Increase the sensitivity to reveal weaker returns that may be of interest especially in very clear water or greater depths Decrease the Imaging Sensitivity to eliminate the clutter from the display that is sometimes present in murky or muddy water See maging Sensitivity or Down Imaging Sensitivity for more information Freeze Frame and Active Cursor Freeze Frame and Active Cursor Press any arrow on the 4 WAY Cursor Control key and the screen will freeze and a cursor will be displayed Use the 4 WAY Cursor Control key to move the cursor over a sonar return and the depth of the sonar return will be displayed in the cursor dialog box 16 What s on the Down Imaging Display Views The sonar information from your Fishfinder is displayed on your screen in a variety of easy to read views There are many views available on your Fishfinder e Default View When you first power up the 345c control head Sonar View will be the default view When you first power up the 345c DI control head Down Imaging View will be the default view e Cycle When you press the VIEW key repeatedly the display cycles through the available views on your screen When you press the EXIT key the display cycles through the available views in reverse order e Customize You c
37. etting Manual You can adjust the Lower Range to lock the unit on a particular depth M will be displayed in the lower right corner of the screen to indicate the unit is in Manual mode Adjust the Upper and Lower Range together to view a specific depth range especially when looking for fish or bottom structure For example if you are fishing in 60 feet of water but are only interested in the first 30 feet surface to a depth of 30 feet you should set the Lower Depth Range limit to 30 The display will show the 0 to 30 foot range which allows you to see a more detailed view than you would see if the display went all the way to the bottom NOTE A minimum distance of 10 feet will be maintained between the Upper and Lower Range regardless of the manual settings entered Sonar X Press Menu 45 W Chart Speed 6 Chart Speed E ultra Settings 1 9 Ultra where 1 Slow 9 Fast Ultra Fastest Default 5 Chart Speed determines the speed at which the sonar information moves across the display and consequently the amount of detail shown A faster speed shows more information and is preferred by most anglers however the sonar information moves across the display quickly A slower speed keeps the information on the display longer but the bottom and fish details become compressed and may be difficult to interpret Regardless of the Chart Speed setting the RTS Window will update at the maximum rate possible for the dept
38. exit the menu to apply the change to the screen Main Menu 39 Quick Tips for the Main Menu e From any menu option on a menu tab press the EXIT key to jump directly to the top of the tab e From the bottom of a menu tab press the DOWN Cursor key to jump directly to the top of the tab e From the top of a menu tab press the LEFT or RIGHT Cursor keys to scroll to the next tab You can also jump to the beginning or end of the tab rotation by repeatedly pressing the RIGHT or LEFT Cursor keys e f there is a down arrow at the bottom of a menu tab press the DOWN Cursor key to scroll to additional menu options e f there is a right or left arrow on a menu option press the RIGHT or LEFT Cursor keys to make setting changes or see more information e f you press MENU or EXIT to leave the Main Menu and then return to the Main Menu ata later time the menu will open to the same tab as the last time the Main Menu was displayed Note for all Menu Settings The settings in all menus are adjusted in the same way Simply use the 4 WAY Cursor Control key to highlight a menu option and then change the settings or activate the option see Main Menu or X Press Menu Below is an example of how the menu options are described in this manual Each description shows the menu option appearance the available settings and the specific control head settings required i e advanced user mode international only view navigation or accessory
39. formance under many conditions Lower frequencies such as 50 kHz are capable of penetrating to greater depths but with less resolution Higher frequencies such as 455 kHz offer greater resolution but are limited in depth performance Humminbird uses a variety of frequencies that are optimized for specific applications Glossary 81 Grayscale The use of varying shades of gray to represent the strength of the sonar signal on the display Traditionally the strongest sonar signals are represented in black and progressively weaker signals are represented in progressively lighter shades of gray Noise The unintentional external sound waves that interfere with the optimal operation of sonar Noise appears as random dots on the display and is caused by a variety of sources Many Humminbird products have a Noise Filter menu setting that allows the user to clear the screen of noise that is difficult to eliminate also see 7roubleshooting Pixels The picture elements or small square blocks that make up the image on the LCD Measured as a vertical by horizontal number i e 640V x 320H this key specification typically indicates the quality of resolution In fishfinders the total resolution vertical multiplied by horizontal is often less important than the Vertical Pixel resolution because a greater number of vertical pixels provide finer resolution of targets detected by sonar Sonar information on the horizontal axis can va
40. h conditions Zoom Level Zoom Level q 2x gt Sonar Zoom View only Settings 2x 4x 6x 8x Default 2x Zoom Level sets the magnification level for the Sonar Zoom View Use Zoom to see more detail in the bottom sonar returns that might be displayed close together such as those caused by fish suspended close to the bottom or within structure Zoom Level is only available on the X Press Menu from the Sonar Zoom View The Zoom Preview Box shows the section of the bottom that will be magnified NOTE The Zoom Preview Box tracks the bottom and cannot be moved El Bottom Lock Bottom Lock 4 off b Sonar Zoom View only Settings Off On Default Off Bottom Lock changes the mode of the zoomed view in the Sonar Zoom View Bottom Lock continuously graphs the bottom at a constant point on the display regardless of changes in depth This flattens out the bottom contour but is effective at showing fish on or near the bottom 46 Sonar X Press Menu Bottom Range 15ft Bottom Range 108m6 Sonar Zoom View only when Bottom Lock is On Settings 10 60 feet 2 10 fathoms or 3 20 meters International Models only Default 15 feet Bottom Range allows you to control how much of the water column measured up from the bottom is shown in the Sonar Zoom View Choose a small value to see low lying bottom structure or details of the bottom return Choose a larger value to see large structure in deeper water NOTE It is poss
41. he 300 Series Fishfinder uses sonar to locate and define structure bottom contour and composition as well as depth directly below the transducer Your 300 Series Fishfinder sends a sound wave signal and determines distance by measuring the time between the transmission of the sound wave and when the sound wave is reflected off of an object it then uses the reflected signal to interpret location size and composition of an object Sonar is very fast A sound wave can travel from the surface to a depth of 240 ft 70 m and back again in less than 1 4 of a second It is unlikely that your boat can outrun this sonar signal SONAR is an acronym for SOund and NAvigation Ranging Sonar uses precision sound pulses or pings which are emitted into the water in a teardrop shaped beam The sound pulses echo back from objects in the water such as the bottom fish and other submerged objects The returned echoes are displayed on the LCD screen Each time a new echo is received the old echoes are moved across the LCD creating a scrolling effect 2 How Sonar Works rit eo A Sonar Frequency High Frequency Low Frequency aL Greater Resolution Low Resolution Less Depth Greater Depth Deeper Power Output Cycle Peak To Peak Root Mean Square PtP RMS How Sonar Works When all the echoes are viewed side by side an easy to interpret graph of the bottom fish and structure
42. he unit is in Manual mode Adjust the Upper and Lower Range together to view a specific depth range especially when looking for fish or bottom structure For example if you are fishing in 60 feet of water but are only interested in the first 30 feet surface to a depth of 30 feet you should set the Lower Depth Range limit to 30 The display will show the 0 to 30 foot range which allows you to see a more detailed view than you would see if the display went all the way to the bottom NOTE A minimum distance of 10 feet will be maintained between the Upper and Lower Range regardless of the settings entered manually hb Chart Speed 6 Chart Speed 1S ultra Settings 1 9 Ultra where 1 Slow 9 Fast Ultra Fastest Default 5 Chart Speed determines the speed at which the sonar information moves across the display and consequently the amount of detail shown A faster speed shows more information and is preferred by most anglers however the sonar information moves across the display quickly A slower speed keeps the information on the display longer but the bottom and fish details become compressed and may be difficult to interpret E Imaging Colors Imaging Colors q Blue b Settings Blue Amber 1 Amber 2 Brown Green Inverse Gray Green Red Default Blue Imaging Colors allows you to select which color palette you would like to use for the Down Imaging display 50 Down Imaging X Press Menu Z Sensiti
43. hfinder NOTE The digital readouts in the Big Digits View cannot be customized e The Triplog shows distance traveled average speed and time elapsed since the Triplog was last reset Big Digits View ee La ere TL ray k Timer shows the time elapsed since Inplog was last reset Depth Distance is the distance traveled since the Iriplog Temperature was last reset Voltage displays the battery voltage Average Speed shows the speed since the Inplog was last reset Speed 195 16 8485 14 1 5 5mh 40 22 Views Down Imaging View Down Imaging models only 345c DIJ Down Imaging View uses the razor thin high definition profiling beams to produce the detailed sonar data that you see on the display Sonar returns are charted on the right side of the display As new information is received the historical information scrolls left across the display See What s on the Down Imaging Display for more information e Down Imaging X Press Menu Press the MENU key once to access the Down Imaging X Press Menu You can set the sensitivity of the sonar the chart scrolling speed the display color palette and the Upper Range and Lower Range see Down Imaging X Press Menu e Freeze Frame Press any arrow on the 4 WAY Cursor Control key and the Down Imaging View will freeze and a cursor will appear on the screen Use the 4 WAY Cursor Control key to move the cursor over a sonar return The
44. hich allows you to see a more detailed view than you would see if the display went all the way to the bottom NOTE A minimum distance of 10 feet will be maintained between the Upper and Lower Range regardless of the manual settings entered Color Palette Circular Flasher View Ice Fishing Mode only E Settings Palette 1 Palette 2 Palette 3 Default Palette 1 Color Palette sets the colors used to display sonar returns in the Circular Flasher View when Ice Fishing Mode is turned on The active color palette is shown in the center of the circular flasher display The color palettes range from weak to strong sonar return signals which are displayed left to right on the color preview bar See Views Circular Flasher View for more information Choose from the following color palettes Palette 1 Green weak Yellow medium Red strong Palette 2 Yellow weak Green medium Red strong Palette 3 Blue weakest Green weak Light Green weak to medium Yellow medium Orange fairly strong Red strong Flasher X Press Menu 53 Zoom Level Zoom Level A b Circular Flasher View Ice Fishing Mode only Settings 1x 2x Default 1x Zoom Level sets the magnification level for the Circular Flasher View when Ice Fishing Mode is turned on When the Zoom Level is set to 1x the Zoom feature is turned off When the Zoom Level is set to 2x the Circular Flasher View displays a 2x magnified view of the area you cho
45. ible to set the Bottom Range to be greater than the depth In this case you may see surface Clutter in a wavy band that mirrors changes in the depth Sonar X Press Menu 47 Imaging Sensitivity 10 Down Imaging Auto 20 X Press Menu Down Imaging Views only 345c DI The Down Imaging X Press Menu provides a shortcut to your most frequently used settings Press the MENU key once while in any of the Down Imaging Views to access the Down Imaging X Press Menu Down Imaging X Press Menu MOTE Menu options can be expanded or simplified by setting the User Mode to Advanced or Normal See Main Menu User Mode for details NOTE Menu options are determined by your Humminbird model See the following pages for full menu descriptions 4 g Down Imaging X Press Menu t Down Sensitivity Auto Imaging Sensitivity Auto 20 Settings Auto 1 to 20 where Low 1 High 20 Default 10 Imaging Sensitivity controls how the sonar returns are displayed on the Down Imaging Views Increase the Imaging Sensitivity to reveal weaker returns that may be of interest especially in very clear water or greater depths A high imaging sensitivity setting shows more sonar returns from small baitfish and suspended debris in the water however if the sensitivity is adjusted too high the display may become too cluttered Decrease the Imaging Sensitivity to eliminate the clutter from the display that i
46. ing the Sonar Display It is important to understand the significance of the display The display does not show a literal 3 dimensional representation of what is under the water Each vertical band of data received by the control head and plotted on the display represents something that was detected by a sonar return at a particular time As both the boat and the targets fish may be moving the returns are only showing a particular segment of time when objects were detected not exactly where those objects are in relation to other objects shown on the display The returned sonar echoes are displayed on the screen As a new echo is received the historical data scrolls left across the view Real Time Sonar RTS Window A Real Time Sonar RTS Window appears on the right side of the display in the Sonar View only The RTS Window updates at the fastest rate possible for depth conditions and shows only the returns from the bottom structure and fish that are within the transducer beam The RTS Window plots the depth and intensity of a sonar return see Sonar Menu Tab RTS Window The Narrow RTS Window indicates the sonar intensity through the use of colors Red indicates a strong return and blue indicates a weak return The depth of the sonar return is indicated by the vertical placement of the return on the display depth scale What s on the Sonar Display The Wide RTS Window indicates the sonar intensity th
47. le when the User Mode is set to Advanced If you change the Select Readouts settings while operating in Advanced User mode the Select Readouts you choose will continue to display on the screen even if you switch back to Normal User Mode Main Menu 41 Sonar Menu Tab Normal Mode Sonar Menu Tab Advanced Mode 4 Main Menu Sonar X Press Menu Sonar X Press Menu Sonar X Press Menu Sonar Views only The Sonar X Press Menu provides a shortcut to your most frequently used settings Press the MENU key once while in any of the Sonar Views to access the Sonar X Press Menu NOTE Menu options can be expanded or simplified by setting the Fishfinder User Mode to Advanced or Normal See Main Menu User Mode for details NOTE Menu options are determined by your Humminbird model See the following pages for full menu descriptions 43 10 Sensitivity Settings Low 1 High 20 Default 10 Sensitivity controls how much detail is shown on the display and will adjust the sensitivity of all sonar frequencies When operating in very clear water or greater depths increase the sensitivity to see weaker returns that may be of interest If the sensitivity is adjusted too high the display may become too cluttered Decrease the sensitivity to eliminate the clutter from the display that is sometimes present in murky or muddy water If Sensitivity is adjusted too low the display may not show many sonar re
48. lish Language selects the display language for menus nternational Models only Triplog pega e confirm _ Triplog Reset w Temp Speed only ANo Yesb Settings Press RIGHT Cursor key and follow screen instructions Triplog Reset resets the Triplog to zero and will appear in the menu if a Temp Speed Accessory is connected and the paddlewheel has moved at least once The Triplog provides the following information timer for elapsed time distance traveled since last reset and average speed NOTE See Views to find out how to display Iniplog information on the screen aa 9 Confirm Restore Defaults 7 Restore Detaults Settings Press RIGHT Cursor key and follow screen dho Yes gt instructions Use this menu choice with caution Restore Defaults resets ALL menu settings to their factory defaults Setup Menu Tab 71 Select Views Select Views Down Imaging View ae Advanced Down Sonar Combo View Visible Settings Visible Hidden Default Visible Select Views allows you to set the available views to hidden or visible in the view rotation The view will be removed from the view rotation if it is set to Hidden and will be displayed in the view rotation If it is set to Visible Visible Visible Split Sonar View isible Big Digits View Y Visible MOTE See Views for more information Circular Flasher View Visible Self Test Hidden Accessory Test Hidden Select Readouts R
49. lternator or tachometer wiring Replace the spark plugs with resistor plugs install an alternator filter or route the control head power and transducer cables away from the engine wiring Cavitation from the boat s Turbulence created by the propeller can cause propeller noise make sure the transducer is mounted at least 15 38 cm from the propeller and that the water flows smoothly over the face of the transducer at all times Troubleshooting 71 300 Series Fishfinder Accessories Accessories customize the Humminbird Fishfinder to your needs and enable you to stay on the edge of new technology When an accessory is connected to the Humminbird Fishfinder additional menus and readouts are added automatically to the Main Menu System Accessories available today that are supported by your Humminbird include Temperature Speed Simply plugs into the Humminbird control head and provides real time speed and temperature readouts as well as a valuable Triplog function NOTE If an external Temperature Speed 1S W or Temperature TG W accessory Is connected AND a transducer with temperature built in is connected at the same time the TS W or 1G W accessory will override the temperature built into the transducer Be sure to check out our Web site humminbird com for additional new and exciting accessories to grow your Humminbird Fishfinder NOTE Each accessory requires a separate purchase You can visit our Web site at
50. nge View Zoom Preview Box Lower Depth Range Zoom View Lower Depth Range Full Range View Zoom Level _ 20 Views Split Sonar View Split Sonar View displays sonar returns from each down beam frequency on separate sides of the screen You can use the Split Sonar View to make side by side comparisons between the sonar returns from both beams e DualBeam PLUS models 345c display sonar returns from the 83 kHz wide beam on the left side of the screen and sonar returns from the 200 kHz narrow beam on the right side of the screen e Down Imaging models 345c DI display sonar returns from the 455 kHz narrow beam on the left side of the screen and sonar returns from the 200 kHz wide beam on the right side of the screen e Depth is displayed in the upper left hand corner e The Digital Readouts in the Split Sonar View cannot be customized therefore information such as water temperature and voltage are unavailable in the Split Sonar View 200 83 kHz Split Sonar vey m a il En Ti zien Py lt Upper Depth Depth a amp nE Range a mi 200 kHz Sonar History Window 83 kHz Sonar History Window _ Lower Depth Range Views 21 Big Digits View Big Digits View provides digital data in a large easy to see format e Digital Readouts Depth is always displayed Readouts for temperature speed and Triplog information are displayed automatically if the appropriate accessory is connected to the Fis
51. nits provide international features and are designed to meet country and regional regulations Languages maps time zones units of measurement and warranty are examples of features that are customized for Humminbird international units purchased through our authorized international distributors To obtain a list of authorized international distributors please visit our Web site at humminbird com or contact our Customer Resource Center at 334 687 6613 300 Series Down Imaging DualBeam PLUS Fish ID Humminbird RTS RTS Window Structure ID SwitchFire WhiteLine and X Press Menu are trademarked by or registered trademarks of Humminbird Baekmuk Batang Baekmuk Dotum Baekmuk Gulim and Baekmuk Headline are registered trademarks owned by Kim Jeong Hwan 2011 Humminbird Eufaula AL USA All rights reserved Table of Contents Power On 1 How Sonar Works 2 DualBeam PLUS Sonar DualBeam PLUS models only S45 Cf seeen 4 Down Imaging Sonar Down Imaging models only 945c DI aossen 5 Dual Beam Ice Transducer optiona purchase XI 9 20 Ice Transducer only sses 6 What s on the Sonar Display 7 Understanding the Sonar Display cccccccsssssssssscseescsssssescscsssscsescsceeesessasseeeees 9 Real Time Sonar RTS Window ce cee eeceecescesccescecescseeceesecseeveceevacsetetseeeseteees 9 SW PE s a E E A 10 Freeze Frame and Active Cursor ssis 10 mstant image UDO sc chee c
52. nstantly on the screen 10 What s on the Sonar Display Bottom Presentation As the boat moves the unit charts the changes in depth on the display to create a profile of the Bottom Contour The type of bottom can be determined from the return charted on the display A Hard Bottom such as compacted sediment or flat rock appears as a thinner line across the display A Soft Bottom such as mud or sand appears as a thicker line across the display Rocky Bottoms have a broken random appearance Bottom Contour Profile with RTS Window 7 je T Geen Ay 5 idle Pict i Rocky Bottom __ Soft Bottom Hard Bottom lt The sonar returns from the bottom structure and fish can be represented as WhiteLine or Structure ID See Sonar Menu Tab Bottom View to set the bottom view What s on the Sonar Display 11 Structure ID represents weak returns in blue and strong returns in red WhiteLine highlights the strongest sonar returns in white resulting in a distinctive outline This has the benefit of clearly defining the bottom on the display 12 What s on the Sonar Display What s on the Down Imaging Display Down Imaging uses its unique transducer and sonar technology to provide definition profiling beams produce the detailed sonar data that you see on the can interpret the structure and bottom contour including the following items Depth water depth can be set to alarm when the water becomes
53. or a wide range of conditions from shallow to very deep water in both fresh and salt water Depth capability is affected by such factors as boat speed wave action bottom hardness water conditions and transducer installation 4 How Sonar Works 75 Degree Total Coverage Bottom Coverage 1 x Depth e How Sonar Works Down Imaging Sonar Down Imaging models only 345c DI Your 345c DI Fishfinder uses Down Imaging technology The Down Imaging transducer scans the water with razor thin high definition beams The beams are wide side to side but very thin front to back The Down Imaging beams can be operated at two frequencies 455 kHz 75 or 800 kHz 45 Select 455 kHz for the best overall image quality and depth Select 800 kHz for the sharpest image See Sonar Menu Tab Imaging Frequency for more information The transducer also uses conical beams to provide data in traditional 2D format see What s on the Sonar Display Select 455 kHz for a narrowly focused 16 center beam or select 200 kHz for a wider 25 beam see Sonar Menu Tab Beam Select Depth capability is affected by such factors as boat speed wave action bottom hardness water conditions and transducer installation DUAL BEAM Ice transducer 200kHZ gt 60 Degree Total Coverage Bottom Coverage 1 x Depth Dual Beam Ice Transducer optional purchase XI 9 20 Ice Transducer only Your Fishfinder supports the o
54. or temporary installation in transportation vehicles such as automobiles aircraft and boats In some European Union member states these vehicles are considered outside of the scope of the Directive and EEE for those applications can be considered excluded from the WEEE Directive requirement This symbol WEEE wheelie bin on product indicates the product must not be K disposed of with other household refuse It must be disposed of and collected for recycling and recovery of waste EEE Humminbird will mark all EEE products in EE accordance with the WEEE Directive It is our goal to comply in the collection treatment recovery and environmentally sound disposal of those products however these requirements do vary within European Union member states For more information about Where you should dispose of your waste equipment for recycling and recovery and or your European Union member state requirements please contact your dealer or distributor from Which your product was purchased ROHS STATEMENT Product designed and intended as a fixed installation or part of a system in a vessel may be considered beyond the scope of Directive 2002 95 EC of the European Farlament and of the Council of 27 January 2003 on the restriction of the use of certain hazardous substances in electrical and electronic equipment ATTENTION INTERNATIONAL CUSTOMERS Products sold in the U S are not intended for use in the international market Humminbird international u
55. ose The zoomed view is shown on the right side of the flasher dial between two lines The normal view is shown on the left side of the flasher dial The Zoom Range can be adjusted with the RIGHT and LEFT Cursor key See Views Circular Flasher View for more information 54 Flasher X Press Menu Alarms Menu Tab From any view press the MENU key twice to access the Main Menu The Alarms tab will be the default selection NOTE When an alarm is triggered you can silence it by pressing any key The alarm will be silenced and will not be triggered again until a new instance of the alarm condition is detected Alarms Menu Alarms Menu Tab D5 Depth Alarm off Depth Alarm i oooO Orr T 100 Settings Off 1 to 100 feet or 0 5 to 30 meters International Models only Default Off Depth Alarm sounds when the depth becomes equal to or less than the menu setting Fish ID Alarm Fish ID Alarm gt _ Settings Off All Large Medium Large Default Off Fish ID Alarm sounds when the Fishfinder detects fish that correspond to the alarm setting Fish ID Alarm will only sound if Fish ID is on For example if you ve set the Fish ID Alarm to sound for Large fish only the Fish ID alarm will sound when a large sized fish is detected of gt be al q aaa gt Large Medium qi gt Large i gt Low Battery Alarm Off Low Battery Alarm i orr 5 Settings Off 8 5V 13 5V Default Off E Low B
56. ow water and over hard bottoms it is possible to see a third sonar return under some circumstances The second return provides useful information to help determine bottom hardness as areas with harder bottoms will generally create a second return The second return can be used as a guide to set Sensitivity when in shallower water 82 Glossary SONAR SOund and NAvigation Ranging Sonar technology uses precision sound bursts transmitted underwater to determine the distance and other attributes of objects in the water Distance can be determined because the speed of sound in water is constant and the time for the signal to return is measured Sound also travels very quickly underwater making sonar a responsive cost effective tool Sonar is the basic technology behind all recreational and commercial fishfinding and depthfinding devices Sonar Update Rate The number of times per second that the transducer s transmitter receiver sends and receives sonar signals A very fast sonar update rate collects more information and provides a more detailed image of the bottom fish and structure Many Humminbird units operate at up to 40 times per second when in single frequency operation Due to the limitation of the speed of sound in water the update rate begins to slow as depth increases to deeper than 50 feet In very shallow water less than 10 feet however update rates as much as 60 times per second can be achieved Speed The rate at which the boa
57. pth capability select 800 kHz 75 Degree Total Coverage Bottom Coverage 1 x Depth 60 Sonar Menu Tab Surface Clutter 5 Surface Clutter 10 Settings Low 1 to High 10 Default 5 Surface Clutter adjusts the filter that removes surface clutter noise caused by algae and aeration The lower the setting the less surface clutter will be displayed Surface Clutter Surface Clutter 5 Am M oroe hei 4 Clear Mode gt Settings Max Mode Clear Mode Default Clear Mode SwitchFire controls how the sonar returns are displayed in the Sonar Views Choose Max Mode to see only raw sonar returns on the display When Max Mode is selected you will see the maximum sonar information available within the transducer beam so more fish arches and better jig tracking are shown Choose Clear Mode to see less clutter and more fish size accuracy on the display When Clear Mode is selected the clutter is filtered and sonar returns are interpreted to provide more details about the objects within the transducer beam regardless of their location In other words a large arch on the display means a large fish has been detected Sonar Menu Tab 61 Fish ID Settings Off On Default Off Fish ID uses advanced signal processing to interpret sonar returns and will display a Fish Symbol when very selective requirements are met When a fish is detected a fish icon and its depth are displayed above the return th
58. ptional purchase XI 9 20 Ice Transducer which provides selectable dual frequency sonar with a wide area of coverage Selectable dual frequency gives you the option of two beams and both beams will cover the bottom and provide high definition The 20 degree center beam provides the highest definition while the 60 degree beam provides wider coverage Depth capability is affected by such factors as bottom hardness and water conditions Whether fishing in shallow to very deep water selectable dual frequency is ideal for a variety of conditions 6 How Sonar Works What s on the Sonar Display The 300 Series Fishfinder can display a variety of useful information about Depth Water depth can be set to alarm when the water becomes too shallow Temperature Water surface temperature Timer Elapsed time with Temp Speed Accessory Distance Distance traveled with Temp Speed Accessory Average Speed Average speed reading with Temp Speed Accessory Speed If a Iemp Speed accessory is attached the Fishfinder can display the speed of the boat and can keep a Iriplog of nautical or statute miles traveled p Second Sonar Retum When the sonar signal bounces between the bottom and the surface of the water and back again Use the appearance of the second return to determine bottom hardness Hard bottoms will show a strong second return while soft bottoms will show a
59. rough the use of a bar graph The length of the plotted return indicates whether the return is weak or strong The depth of the sonar return is indicated by the vertical placement of the return on the display depth scale The Wide RIS Window does not use grayscale SwitchFire SwitchFire controls how the sonar returns are displayed in the Sonar Views SwitchFire settings are available in the Sonar Menu Tab To see the maximum sonar information available within the transducer beam so more fish arches and better jig tracking are shown choose Max Mode To see less clutter and more fish size accuracy interpreted from the transducer beam choose Clear Mode See Sonar Menu Tab SwitchFire for more information Freeze Frame and Active Cursor Freeze Frame amp Active Cursor Press any arrow on the 4 WAY Cursor Control key and the screen will freeze and a cursor will be displayed Use the 4 WAY Cursor Control key to move the cursor over a sonar return and the depth of the sonar return will be displayed at the bottom of the screen in the cursor dialog box The RTS Window continues to update in Freeze Frame To return to a scrolling display and exit Freeze Frame press the EXIT key Freeze Frame is available in the Sonar Split Sonar and Sonar Zoom Views Instant Image Update Instant Image Update You can change a variety of sonar menu settings such as Sensitivity or Upper Range and the adjustments will be shown i
60. ry greatly depending on boat speed and the Chart Speed setting Power Output The amount of sound energy emitted into the water by the transducer s transmitter Power output is measured using either RMS Root Mean Square or P I P Peak to Peak measurement systems Either method is acceptable but it is important when comparing power outputs to make sure that the same measurement system is being used for both outputs because P T P numbers are 8 times higher than RMS numbers Greater power output allows the sonar signal to penetrate through weeds and thermoclines reach deeper depths and operate more effectively in noisy environments such as when the boat is running at high speed Pulse Width Pulse Length The length of time that a sonar sound burst is transmitted into the water Shorter pulse widths provide better target separation but cannot travel to great depths Longer pulse widths provide better depth penetration but result in poorer target separation Humminbird varies pulse width based on depth to optimize both target separation and depth performance See Target Separation Second Return Describes the appearance of a second sonar return below the primary sonar return bottom contour at exactly twice the true depth The second return is caused by the same sonar energy bouncing off the bottom once rebounding to the water surface and then traveling back down to the bottom to be reflected again Second returns are more common in shall
61. s sometimes present in murky or muddy water If the sensitivity is adjusted too low the display may not show many sonar returns that could be fish E Upper Range 35ft Upper Range ol 990 Advanced Down Imaging Views only Settings 0 to 990 feet or 0 to 397 meters International models only Default 0 feet Upper Range sets the shallowest depth range that will be displayed on the Down Imaging Views Upper Range is often used with Lower Range For example if you are only interested in the area between 20 and 50 feet deep you should set the Upper Depth Range to 20 and the Lower Depth Range to 50 The Sonar View will then show the 30 foot area between 20 and 50 and will not show the surface or the bottom assuming the bottom is deeper than 50 feet Greater detail will be shown for the area between 20 and 50 feet NOTE A minimum distance of 10 feet will be maintained between the Upper and Lower Range regardless of the manual settings entered Down Imaging X Press Menu 49 A Auto 1000 Settings Auto 10 to 1000 feet 3 to 330 meters International Models only Default Auto Lower Range sets the deepest depth range that will be displayed by the unit Auto The Lower Range will be adjusted by the unit to follow the bottom automatically Auto is the default setting Manual You can adjust the Lower Range to lock the unit on a particular depth D will be displayed in the lower right corner of the screen to indicate t
62. s which list with Temp Speed only require the purchase of separate accessories You can visit our Web site at humminbird com to order these accessories online or contact our Customer Resource Center at 1 800 633 1468 NOTE Some features discussed in this manual require a separate purchase and some features are only available on international models Every effort has been made to clearly identify those features Please read the manual carefully in order to understand the full capabilities of your model yi Power On Follow the instructions below to power on your Humminbird control head 345c Title Screen 1 Press the POWER LIGHT key 2 When the Title screen is displayed press the MENU key to access the Start Up Options Menu 3 Use the 4 WAY Cursor Control key to select Normal if there is a transducer attached to the control head or Simulator if there isn t a transducer attached to the control head NOTE See Start Up Options Menu for more information e f a functioning transducer is connected Normal operation will be selected automatically at power up and your Fishfinder can be used on the water e f a transducer is not connected and you wait too long to select a Start Up Option the system will default to whichever menu is already highlighted e In Simulator you can learn how to use your control head and save settings in advance for later use Power On 1 O Sonar technology is based on sound waves T
63. screen Menu options can be simplified or expanded by setting the User Mode to Normal or Advanced See Main Menu User Mode for details 38 X Press Menu Alarms 2 55 Main Menu Depth Alarm The Main Menu provides the standard set of Off menu options including the settings that are Fish ID Alarm changed less frequently The Main Menu is O organized under the following tabs to help you find a specific menu item quickly Alarms Low Battery Alarm Sonar and Setup Off NOTE Menu options can be expanded or simplified by Temp Alarm setting the User Mode to Advanced or Normal See Off Main Menu User Mode for details Alarm Tone Medium Main Menu Normal User Mode To use the Main Menu 1 In any view press the MENU key twice 2 Press the RIGHT or LEFT Cursor keys to highlight a menu tab 3 Press the DOWN or UP Cursor keys to select a specific menu option under that tab 4 Press the RIGHT or LEFT Cursor keys again to change a menu setting e A down arrow at the bottom of a menu means that you can scroll to additional menu options using the DOWN Cursor key e Aright or left arrow on a menu option means that you can use the RIGHT or LEFT Cursor keys to make changes or to see more information e Press the EXIT key to move quickly to the top of the tab Total Screen Update When you change any menu settings that affect the current view the view will update immediately i e you don t have to
64. se or a fish hanging very close to structure Humminbird fishfinders provide a very good 2 1 2 inches of target separation in shallower than 100 feet of depth Target separation decreases as depth increases due to the need for longer Pulse Width to achieve greater depth See Pulse Width Glossary 83 Thermoclines Water layer s of distinctly different temperatures that create a sonar reflection due to the density of the differing water temperatures Typically a thermocline will appear as a continuous band across the display at some distance above the bottom contour Thermoclines are of interest to anglers because fish will suspend above or below the thermocline as they seek the optimum temperature and oxygen levels Time Variable Gain TVG A processing step applied to the sonar return to normalize the data so that objects of equal size i e fish appear to be the same size even if they are separated by a good distance Transducer The transducer is part of the sonar system which mounts on the boat and is in contact with the water that converts the electrical energy from the transmitter into sound energy and that forms the sonar beam in turn Internally the transducer consists of one or more piezo electric disks that expand by very minute amounts to create the sound wave This element also works in reverse converting the returned sound energy back into an electrical signal that the receiver interprets See SONAR Zoom A feature that
65. ss Menu to set the Sensitivity Upper Range and Lower Range e Depth and temperature are always displayed e The Digital Readouts cannot be customized Circular Flasher View Ice Fishing Mode Off Flasher Dial Depth Views 25 Ice Fishing Mode On When Ice Fishing Mode is on the Circular Flasher View displays the sonar data in traditional flasher format with additional features including Zoom and Depth Cursor e Sensitivity When you turn on Ice Fishing Mode the fishfinder s sensitivity settings are adjusted automatically to accommodate ice fishing conditions These settings will apply to the other Sonar Views until you turn off Ice Fishing Mode see Set the Circular Flasher View Mode in this section e Flasher X Press Menu Press the MENU key once in the Circular Flasher View Use the X Press Menu to set the Sensitivity Upper Range Lower Range and Color Palette e Color Palettes The color preview bar in the center of the display indicates the current palette and the weak to strong sonar return range is displayed from left to right To change the color palette see Flasher X Press Menu Color Palette e The Digital Readouts cannot be customized Circular Flasher View Ice Fishing Mode On Battery Icon Zoom Setting Off indicates the percentage of Paley PONG Flasher Dial Depth Current Color Palette Units of Measurement Sensitivity see Flasher X Press Menu Noise Filter see Sensiti
66. t Up Options Menu 35 Simulator Use Simulator to learn how to use your Fishfinder before taking your boat on the water The Simulator is a very powerful tool that provides a randomly updated display which simulates on the water operation Simulator We recommend going through this manual while using the Simulator since all of the menus function and affect the display in the same way as they would in Normal operation Any menu changes you make will be saved for later use NOTE It is important to select Simulator manually trom the Start Up Options Menu as opposed to letting the Fishfinder enter Simulator automatically as it will if a transducer is not connected and you do nothing during power up A message will appear often on the display to indicate Simulator mode To exit Simulator power off your Fishfinder System Status Use System Status to view system connections and to conduct a unit self test After you select System Status from the Start Up Options Menu press the VIEW key to display the following options o Self Test e Accessory Test To exit System Status power off your Fishfinder 36 Start Up Options Menu Self Test Screen Self Test displays results from the internal diagnostic self test including unit serial self Test number Printed Circuit Board PCB serial PASSED number software revision total hours of operation and the input voltage o N MODEL 1 1 001 345 SOFTWARE VERSION VOLTAGE
67. t moves through the water Boat speed can be measured as Speed Over Ground or Speed Through Water Speed Over Ground is provided by GPS and is the measurement of the boats progress across a given distance Speed Through Water is provided by a speed paddlewheel and is the measurement of the flow past the boat which may vary depending on current speed and direction Speed Through Water is most critical for anglers using downriggers as it impacts the running depth of the down riggers Speed Over Ground is optimal for navigation as accurate destination times can be derived from this measurement Humminbird products allow for input and display of both sources Structure A general term for objects on the bottom that present a discontinuity and are a likely attractor for fish This includes bottom contour features drop offs humps and holes standing structure stumps timbers brush piles and a wide range of other potential objects sunken boats reefs Surface Clutter A phenomenon where sonar returns are reflected off of tiny objects near the surface of the water including algae and even air bubbles Typically saltwater environments have significantly greater surface clutter than freshwater due to continuous wind and wave action that causes aeration at the surface Target Separation The measurement of minimum distance that a fishfinder needs to be able to recognize two very close objects as two distinct targets i e two fish hanging very clo
68. t setccstat ec ausexctsansspenencasestenreesceds E 10 DOOM FIESEnta O ouessa a aAa AAE EATE 11 What s on the Down Imaging Display Down Imaging models only 345c DI 13 Understanding the Down Imaging Display cccccsssseesesesssseessseseeeeeeeen 15 Interpreting the Display asticsevsvisssrsestncasnrschesiwsivasioynsarindaadaiaiyndeiverCeracstyisriecsnuntieieee 15 Down Imaging Sensitivity cccccssessssssssescsccssssscscstesessssssseeeesssssescsestessesacees 16 Freeze Frame and Active Cursor cccccccsesescssscsssssessessssssssssssssesscssstscssseseseeerenen 16 Views 17 SONA a ha er ee S EEEE E 19 sonar Loom VIEW eae eee cen anA een ai 20 SDS ONAT VIEW cs st ages E E 21 ONS VO oe A A A 22 Down Imaging View Down Imaging models only 945c DI eccsescsveveceveveverererees 23 Circular Flasher View isesesisesssissrsrissrssirsresrrsrisnrsnreniesrnnrrsrenrrrinnrsrnrernnrrans 24 Down Imaging Sonar Combo View Down Imaging models only 945c DI 29 Table of Contents What s on the 300 Series Control Head Key Functions FOWER LUIGHE KOY scscsccassatesassseinactesteavisteiusaansunateineny ican onatsitishamesuneiantiat MIE OY E E E E A E E AAE AN E A E E E MENEK GV coann A E N A WAY Cursor Control Key ccscscscscssssesssssescscscsscsescscsresessssseeeeessessescseenessasens EE TOW a rtetece cso scceere E NETET The Menu System Start Up Options Menu IN OFT ll OAN EE N EN onetebantrone
69. tanding on the bottom cast a sonar shadow The longer the shadow the taller the object Fish also cast shadows You can use the shadow to interpret how close the fish is to the bottom Lower Range connected to the 300 Series Fishtinder 14 What s on the Down Imaging Display 0 Understanding the Down Imaging Display 20 The images you see on the Down Imaging display are produced using sonar technology Each time the unit pings a strip of data representing all the echoes received by the transducer are put see Like traditional 2D Sonar the sonar history scrolls left across the screen Interpreting the Display Down Imaging beams illuminate the bottom contour structure and fish The beams are wide side to side but very thin front to back Use the light and dark parts of the display to interpret the objects under your boat as follows e Dark shades represent soft returns mud sand or descending terrain e Light shades represent denser terrain timber rocks or rising terrain A very hard bottom may appear as white on the display e White Streaks or Clouds may represent fish on the display e Shadows are not caused by light but by the lack of a sonar return Objects standing on the bottom cause a sonar shadow to appear on the display The longer the shadow the taller the object Fish may also cast shadows You can use the shadow to interpret where the fish or object is located in r
70. tas EA EAE E T O aa A am acneie System Stats scosristdisshorsmiuivasedsavelsiniddcanrgvinidiaceimeveoneveuniigsivasgueiveniiwiesdineratanionss ENE OSU E E E EEN E E E SE A ST T ACCES O TOS aia S E E E X Press Menu Main Menu Quick Tips for the Main Menu u c ccccccsscssessesssssesssssesseesecsesssssssssssssesseeseeseenseeeen Note for all Menu Settings ccescessessssssesssssesssessessessesssessesssssesssesssesseseessesseeseessee User Mode Normal or Advanced 0 ccccceeseseeeseesesscsessestsesssesteeseeneenenen Sonar X Press Menu Sonar Views only SFSU EI a EA A E A A A A A E Upper Range Advanced Sonar Split Sonar Circular Flasher and Big Digits Views only wesc LOWO RANOU soararn sira E E a BEEE T E E a E AAE E E IE A A ET AEN AAST 30 31 31 31 32 32 33 34 35 35 36 36 37 37 38 39 40 40 41 Table of Contents ZOOM Level Sonar Zoom View only eccessscssscsvsesescscscscscscssseseessscssesescesacssasseseenseeseneess 46 Bottom Lock Sonar Zoom View only cececccccecccscsescsccscstscsessssssessssessesecsceseescesaneenenees 46 Bottom Range Sonar Zoom View only when Bottom LOCK is ON s ssscsesvsesvevevereverereteees 4 Down Imaging X Press Menu Down Imaging Views only 345c DI 48 Imaging Sensitivity secscuicsasedossivpivanivnsd datousshsnvacrdianisussvtuenividesiverstauisninsinivanuiedsdhssroine 49 Upper Range Advanced Down Imaging Views only csssessscscscsse
71. ted without affecting the sensitivity of the 200 kHz returns shown in the 200 kHz sonar window 455kH Sensitivity 8 455 kHz Sensitivity 10 O e Advanced Down Imaging only 345c DIJ Settings 10 to 10 Default 0 455 kHz Sensitivity adjusts the sensitivity of the 455 kHz beam Increase the sensitivity to display additional weak returns and decrease the sensitivity to display fewer weak returns Sonar Menu Tab 65 Depth Lines Depth Lines 4 On b Advanced Settings Off On Default On Depth Lines divide the display into four equal sections which are separated by three horizontal depth lines The depth of each line is displayed along the depth scale You can turn Depth Lines On or Off Depth Lines EE ee aa Sage Amer ery Wea ep at de se ey F TA ee pee ee pee ie ea 79 55 lt 0 Depth Lines i P 5 Am MD aey 4 Low gt Advanced Settings Off Low Medium High 1 High 2 High 3 Default Low Noise Filter adjusts the sonar Noise Filter to limit interference on the display from sources such as your boat engine turbulence or other sonar devices The Off setting removes all filtering Low Medium and High 1 High 2 High 3 settings add progressive filtering of the sonar returns High 1 High 2 and High 3 are useful when there is excessive trolling motor noise but in some deep water situations the High settings may actually hinder your unit s ability to find the bottom 66 Sonar Menu Tab
72. turns that could be fish NOTE The Sensitivity setting is a global setting and will adjust the sensitivity of all sonar frequencies Sensitivity at Low Sensitivity at Medium Sensitivity at High 44 Sonar X Press Menu E Upper Range 35ft Upper Range o 990 Advanced Sonar Split Sonar Circular Flasher and Big Digits Views only Settings 0 to 990 feet or 0 to 327 meters International Models only Default 0 feet Upper Range sets the shallowest depth range that will be displayed on the Sonar Split Sonar Circular Flasher and Big Digits Views Upper Range is often used with Lower Range For example if you are only interested in the area between 20 and 50 feet deep you should set the Upper Depth Range to 20 and the Lower Depth Range to 50 The Sonar View will then show the 30 foot area between 20 and 50 and will not show the surface or the bottom assuming the bottom is deeper than 50 feet Greater detail will be shown for the area between 20 and 50 feet NOTE A minimum distance of 10 feet will be maintained between the Upper and Lower Range regardless of the manual settings entered E Lower Range 63ft Lower Range Autoll 1000 settings Auto 10 to 1000 feet 3 to 330 meters International Models only Default Auto Lower Range sets the deepest depth range that will be displayed by the unit Auto The Lower Range will be adjusted by the unit to follow the bottom automatically Auto is the default s
73. very weak one or none at all I Cursor Dialog Box Indicates cursor depth on the display and the depth of the bottom directly below the cursor NOTE Entries in this view that list with Temp Speed are available if the device is connected to What s on the Sonar Display 7 the area under your boat including the following items High Sonar Intensity Return Bait Ball d Fish The Fishfinder displays fish as arches and or fish icons and can be set to alarm when a fish of a certain size is detected When a target is detected a Fish ID symbol appears on the display with the depth displayed above it The size of the symbol indicates the intensity of the sonar return The unit will clearly show schools of Bait Fish as clouds of different shapes and sizes depending on the number of fish and boat speed Thermoclines Layers of water with different temperatures that appear at different depths and different times of the year A thermocline typically appears as a continuous band of many colors moving across the display at the same depth Cursor Available in Freeze Frame and can be positioned in the Sonar View to provide depth of a sonar return and bottom depth below the cursor N RTS Real Time Sonar Window Structure Where fish may be hiding Low Sonar Intensity Return the 300 Series Fishfinder 8 What s on the Sonar Display Understand
74. vity 17 8 Beam Select see Sonar Main Menu Noise Filter Low 200hHz Sonar Main Menu 26 Views To activate the Depth Cursor Use the Depth Cursor to identify depth on the flasher display 1 4 Views Set up Press the VIEW key repeatedly until the Circular Flasher View is displayed on the screen Turn on the Ice Fishing Mode see Sonar Menu Tab Activate Press the DOWN Cursor key and the purple cursor line will appear on the display Adjust the Cursor Press the UP or DOWN Cursor keys repeatedly until you reach the chosen depth reading The depth reading of the cursor Is displayed in the top right corner of the view Close the Cursor Press the EXIT key Circular Flasher View with the Depth Cursor Depth Cursor Reading Depth Cursor Sensitivity 10 O Noise Filter Low 200 83kHz ha el 21 To activate Flasher Zoom The Zoom feature displays a 2x magnified view of the area you choose on the flasher display 1 Set up Press the VIEW key repeatedly until the Circular Flasher View is displayed on the screen Turn on the Ice Fishing Mode see Sonar Menu Tab 2 Activate Press the MENU key Select Zoom Level from the X Press Menu and press the RIGHT Cursor key to select 2X Zoom upper limit and lower limit lines will appear on the display 3 Close the X Press Menu Press the EXIT key 4 Adjust the Zoom Range Press the RIGHT or LEFT Cursor keys repeatedly to adjust the zoom rang
75. vity 10 Flasher X Press Menu iO DE Circular Flasher View only The Flasher X Press Menu provides a shortcut to your most frequently used settings Press the MENU key once while in the Circular Flasher View to access the Flasher X Press NOTE Menu options can be expanded or simplified by setting the User Mode to Advanced or Normal See Main Menu User Mode for details Flasher X Press Menu Ea NOTE To activate Ice Fishing Mode see Sonar Menu Tab Flasher X Press Menu D 1 Sensitivity 10 Sensitivity L E Settings Low 1 High 20 Default 10 Sensitivity controls how much detail is shown on the display and will adjust the sensitivity of all sonar frequencies When operating in very clear water or greater depths increase the sensitivity to see weaker returns that may be of interest If the sensitivity is adjusted too high the display may become too cluttered Decrease the sensitivity to eliminate the clutter from the display that is sometimes present in murky or muddy water If Sensitivity is adjusted too low the display may not show many sonar returns that could be fish NOTE The Sensitivity setting is a global setting and will adjust the sensitivity of all sonar frequencies E Upper Range 35ft Upper Range olmag Advanced Sonar Split Sonar Circular Flasher and Big Digits Views only Settings 0 to 990 feet or 0 to 327 meters International Models only Default 0 feet Upper Range
76. weak to Light Green strong Inverse Black weak to White strong Original Palette Cyan weak to Red strong Palette 1 Navy Blue weak Purple medium Yellow strong Palette 2 Navy Blue weak Green medium Yellow strong Palette 3 Navy Blue weak to Red strong NOTE To change the color palette for the Circular Flasher View see Flasher X Press Menu Color Palette E Bottom View Bottom View q Structure ID gt Settings Structure ID WhiteLine Default Structure ID Bottom View selects the method used to represent bottom and structure on the display See What s on the Sonar Display Bottom Presentation for more information 64 Sonar Menu Tab Zoom Width Zoom Width q Wide p Settings Narrow Medium Wide Default Wide Zoom Width adjusts the width of the zoomed view on the Sonar Zoom View which is on the left side of the display See Views Sonar Zoom View for more information B3kHz Sensitivity 0 83 kHz Sensitivity 10 10 Advanced DualBeam PLUS Sonar only 345c Settings 10 to 10 Default 0 83 kHz Sensitivity changes the sensitivity of the 83 kHz beam Increasing the 83 kHz Sensitivity will display additional weak returns and decreasing the 83 kHz Sensitivity will display fewer weak returns NOTE 83 kHz Sensitivity is particularly useful for adjusting the sensitivity of the 83 kHz sonar returns in the 200 83kHz Split Sonar View The amp 3kHz sensitivity can be adjus
77. z narrow beam will be displayed in the Sonar View the Sonar Zoom View the Big Digits View and the Circular Flasher View The Split Sonar View will continue to display returns from both beams in their respective windows The RTS Window in the Sonar View will display the returns from the 200 kHz narrow beam When set to 83 kHz the returns from the 83 kHz wide beam will be displayed in the Sonar View the Sonar Zoom View the Big Digits View and the Circular Flasher View The Split Sonar View will continue to display returns from both beams in their respective windows The RTS Window will display the returns from the 83 kHz wide beam Sonar Menu Tab 59 The Down Imaging models 345c DI allow you to choose 200 kHz or 455 kHz for conical sonar coverage in the traditional sonar views e When set to 200 kHz only the returns from the 200 kHz 25 beam will be displayed in the Down Imaging Views e When set to 455 kHz only the returns from the 455 kHz 16 narrow beam will 75 Degree Total Coverage be displayed in the Down Imaging Views Bottom Coverage 1 x Depth eo Imaging Frequency Imaging Frequency q 455kHz p Down Imaging Views only 345c DI Settings 455 kHz 800 kHz Default 455 kHz Imaging Frequency allows you to select which frequency to apply to the Down Imaging beams 455 kHz or 800 kHz For the best overall image quality and depth select 455 kHz For the sharpest image but limited de

Humminbird 345C DI Fish Finder User Manual

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