Auto tilt concept | Furuno FSV-84 guide

2. HORIZONTAL MODE

For example, when the [RANGE] control, [TILT] control and [AUTO TILT] key are set to 800 m, 8° and width (1) respectively, the tilt angle changes at each transmission as follows:

8°→9°→8°→7°→8°

Tilt angle setting

Auto tilt concept

Note: The [AUTO TILT] key is inoperative when the target lock function is active or is made active. Auto tilt is resumed once target lock is disabled.

2-10

Image 44

Furuno FSV-84 manual Auto tilt concept

Contents

Color Scanning Sonar 00015742711 Important Notices Safety Instructions Iii Replace anticorrosion zinc plate yearly This page intentionally left blank Table of Contents Safety Instructions Table of Contents Vii Viii NUMERIC/GRAPHIC Data Display MAINTENANCE, Troubleshooting Word to the Owner of the Furuno FSV-84 FeaturesForeword Xii System Configuration Blackbox type configurationSystem with locally supplied monitor Xiii Xiv Standard type configurationSystem with Furuno monitor Control unit Operational OverviewControl Description Turning the Power On/Off Turning the power onTurning the power off Power & Transducer controls Lowering, Raising the Transducer Screen BrillianceLowering the transducer Raising the transducer Others menu Main menu defaultControl Panel Dimmer Display Setting menu Dialog box for setting numeric value Display Mode, Display Division Selecting a display modeMode selection menus Horizontal mode display Sample display mode picturesHorizontal mode H2 mode Horizontal 2 display Slant mode, single display Slant display singleSlant mode, combination display Slant display combination V1 + ES1 or ES2 mode V1 and V2 modesV1 and V2 displays V1 & ES1 ES2 display History mode ES1 modeHistory display ES1 display ES2 mode ES1 + ES2 modeES2 display shown downward picture ES1 + ES2 display Adjusting the Gain Menu Overview Main menu Scan Setting menu Menu Title Echo sounder picture advance speed dialog box YES This page intentionally left blank Horizontal Mode Basic Operating Procedure Indications and Marks Horizontal modeHorizontal mode indications and marks Horizontal2 mode Dialog box for setting combination Landscape Left Inset Display Range Range concept Setting the tilt angle Tilt Angle Automatic tilt range wide with Auto Tilt key Automatic tiltAutomatic tilt range narrow with Auto Tilt key Auto tilt concept Relation between bottom echo and tilt angle Case 1 Tilt angle 30 toCase 2 Tilt angle 10 to Case 3 Tilt angle 0 to Tilt angle for surface fish Tilt angle Suitable tilt angle Tilt angle and beam coverage Measuring Range and Bearing to a Target Location of trackball data Eliminating Weak Echoes Principle of TVG Numeric data entry dialog box Adjust AGC Suppressing Bottom Tail Adjust 2nd AGC Decrease pulse length Adjust Near AGC Fish echo Interference rejector Rejecting Sonar Interference and NoiseIdentifying noise source How TX Interval works Changing Tx intervalShifting Tx frequency Setting reference bearing for frequency change Noise limiterEcho average Reverberation reduction Sidelobe suppression Adjusting Beamwidth Tracking a Fish School target lock Selecting target lock typeTarget Lock menu Target lock type dialog box Fish school tracking mode Target lock mark and target lock data Position tracking mode How position tracking mode target lock works Target Lock menu Range and audio bearing marks Detecting Fish Schools AurallySelecting direction Audio sector dialog box Alarm & Audio menuSelecting audio sector Indications related to automatic training Automatic trainingReverberation Presentation Mode Presentation mode descriptionPresentation modes Automatic return of own ship mark in true motion Presentation mode dialog box How to select a presentation modeDisplay Setup menu Fish Alarm Fish alarm status dialog box How to set the fish alarm zone How to create desired alarm zone How to use offcenter Relocating Fish School for Easy Observation Comparing Fish School Concentration Estimate marks and their data Entering fish marks How to measure fish school speedMeasuring Fish School Speed Deleting fish marks Fish markDeleting fish marks with the Delete Mark key Deleting fish marks through the menu Event mark data Event Mark, Own Ship Position MarkEntering an event mark Event mark description Entering an own ship position markDeleting an event mark, own ship position mark Deleting event marks, own ship position mark from the menu Net course mark Net Course MarkInscribing the net course mark Observing Net Behavior Net behavior PRESET, Memory Card menu Storing, Recalling PictureStoring the picture Recalling stored picture Others Menu Displaying the Others menu Color Setting menu Others menu description Color response curve TVG setting window Bottom echoes Interpreting the Horizontal DisplayBottom echoes Fish schools Fish schools Sea surface reflections WakeSea surface reflections Wake Noise and interference Sidelobe echoes false echoesNoise and interference Vertical Mode Vertical Mode Concept Setting the vertical displayVertical mode concept Overview Vertical 1 display indications and markers Vertical Mode Indications and MarksTypical vertical display Vertical scan and horizontal scan ranges Vertical bearing mark, tilt markSolid Line Dashed Line Auto train Auto TrainTrackball mark position reference mark Measuring the Range Measuring range with the trackball Select V-SCAN Setting and press the Menu key TVG setting dialog box Vertical Mode Suppressing Bottom Tail Adjust 2nd AGC Rejecting Interference and Noise Noise limiter Suppressing sidelobes Dialog box Vertical Expansion Display Vertical 1 expansion display Gain Control Wide Beamwidth Others menu description Setting window Display size Application to Bonito and Tuna Fishing SearchingTracking Approaching Catching Catching Slant Mode Slant mode single display Sensor Slant mode combination display Dialog box for setting slant combination display H1 display Slant display NUMERIC/ Graphic Data Display Display Range Tilt Angle Automatic tilt Auto tilt concept Auto Training Eliminating Weak Echoes Scan Setting menu Suppressing Bottom Tail Decrease pulse length Adjust Near AGC Fish echo Rejecting Sonar Interference and Noise Changing Tx interval Noise limiter Adjusting Beamwidth Tracking a Fish School target lock Fish school tracking mode Position tracking mode Target Lock menu Detecting Fish Schools Aurally Selecting audio sector Offcenter Manual offcenter Automatic offcenter Fish Alarm How to set the fish alarm zone Numeric Measuring Fish School Speed Deleting fish marks Event Mark, Own Ship Position Mark Entering an own ship position mark Erase Marks menu Net Course Mark 21˚ Others sub menu Others menu description Scan Color TVG setting window Interpreting the Slant Display Surface fish school Bottom fish school Sea surface reflections False echo by sidelobe This page intentionally left blank Echo Sounder Mode Typical Echo Sounder Displays Echo sounder 1 displayIndications and markers on the echo sounder 1 display Trackball mark position reference mark Echo sounder 2 net recorder or echo sounder display Downward-looking net recorder display Echo sounder combination display Echo sounder combination mode ES1 + ES2Echo sounder + net recorder display Upward + downward looking net recorder display ES2 mode Echo Sounder 2 display Upward + downward looking display Display mode dialog box Selecting an Echo Sounder ModeEnabling an echo sounder mode System menu setting and available displays Echo sounder mode configurations and menu setting Range and display shift concept ES1 SETTING, ES2 Setting menusSelecting Display Range Dialog box for setting numeric data Range dialog box ES1 Setting and ES2 Setting menus Picture Advance Speed Picture advance speed dialog box Measuring Depth, Distance Estimating fish concentration with estimate marks Fish histogram Fish histogram ES1 setting menu description ES1 Setting Menu OverviewES1 Setting menu ES2 Setting menu description 10 ES2 Setting Menu OverviewES2 Setting menu net recorder connected History Mode History mode concept Sample History Display Interpreting the history display How to Interpret, Set the History DisplayHow to interpret the history display Setting the history marker Slant range and tilt angle Setting the width of the history marker Horizontal slice width dialog box Setting the picture advance mode Full Numeric/graphic data display NUMERIC/GRAPHIC Data DisplayFull Numeric/Graphic Data Display Abbreviated Numeric/Graphic Data Display Abbreviated Numeric/graphic display On next Numeric/Graphic Data DescriptionNumeric/graphic data description Numeric/graphic data description con’t. from previous Customizing the Equipment User MenuDeleting items from user menu Main menu user menu Programming the user menu Message for registration of user menu item Example default function programs Function Keys F1-F6Executing a function Function dialog box for storing picture Dialog box for selection of presentation mode Dialog box for adjustment of panel dimmerFunction dialog box for recalling picture Function dialog box for erasing fish marks Confirmation for registering function key Programming function keysDialog box for erase ship track Erasing programs Function key dialog box Programming the User Prog control User Prog ControlSelecting a user program User program options This page intentionally left blank Others Menu Erase Marks menu Display Setting menu Opening the Display Setting menuDisplay Setting menu description Display Settng menu Tilt Alarm & Audio menu description Alarm & Audio menuOpening the Alarm & Audio menu PRESET, Memory Card menu description PRESET, Memory Card menuOpening the PRESET, Memory Card menu Initial Setting menu Opening the Initial Setting menuInitial Setting menu description Mark Display menu Bearing scale Heading markRange rings Fish marks connected with line Data on ship’s trackNet movement plot Mark Size menu Target lock markMark Size menu Others Menu Data Display menu Data Display menu Current VEC & Wind menu Current flow direction settingsCurrent VEC & Wind menu NET Sonde Settng menu NET Sonde Setting menuXmtr Distance setting window Depth Display menu NET Shoot Setting menuNET Shoot Setting menu Test menu Stabilization menuStabilization menu Time offset dialog box Initialization menuInitialization menu Storing Image, Configuration Memory Card Operations10-1 Processor unit 10-2 Memory Card menu Memory Card menu, recall, delete dialog box opened Loading, Deleting Files10-3 Formatting Memory Cards 10-4 MAINTENANCE, Troubleshooting Preventive MaintenanceCleaning the equipment 11-1 11-2 Hull Unit MaintenanceHull unit maintenance Fuse Replacement 11-3Unit and fuse Unit Fuse rating Troubleshooting TroubleshootingSymptom Check, Remedy 11-4 Error messages Message Meaning, Remedy Power supply11-5 Transducer Error Codes Error messages con’t from previousError code 11-6 Status Messages TestsTest menu 11-7 Board test results Board test11-8 11-9 Interpreting the board test results Panel test 11-10Panel test Trackball check Lever check Test patterns Test pattern11-11 Rx test For service technician Noise test For service technician11-12 Rx test sequence, Rx test message Raising the Transducer from the Hull Unit Raising the transducer automatically11-13 Raise/lower control box, cover removed Raising the transducer manually 11-14 Menu Tree AP-1 AP-2 Appendix AP-3 Xmtr Distance AP-4 Tilt Interlock OFF, on Specifications of the Color Scanning Sonar FSV-84 Transceiver Unit Power Supply Index IN-1 IN-2 Indications IN-3 OFF Center key Offcentering Vertical mode Smoothing IN-4 IN-5 V1/S, V2 keys