Auto tilt concept | Furuno FSV-84 manual

4. SLANT 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. Once the target lock is turned off auto tilt operation is resumed.

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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 Features ForewordWord to the Owner of the Furuno FSV-84 Xii System Configuration Blackbox type configurationSystem with locally supplied monitor Xiii Standard type configuration System with Furuno monitorXiv Operational Overview Control DescriptionControl unit 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 Main menu default Control Panel DimmerOthers menu Display Setting menu Dialog box for setting numeric value Selecting a display mode Mode selection menusDisplay Mode, Display Division Sample display mode pictures Horizontal modeHorizontal mode display 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 Horizontal mode Horizontal mode indications and marksIndications and Marks Horizontal2 mode Dialog box for setting combination Landscape Left Inset Display Range Range concept Setting the tilt angle Tilt Angle Automatic tilt Automatic tilt range narrow with Auto Tilt keyAutomatic tilt range wide 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 Rejecting Sonar Interference and Noise Identifying noise sourceInterference rejector Changing Tx interval Shifting Tx frequencyHow TX Interval works 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 Detecting Fish Schools Aurally Selecting directionRange and audio bearing marks Alarm & Audio menu Selecting audio sectorAudio sector dialog box Automatic training ReverberationIndications related to automatic training Presentation Mode Presentation mode descriptionPresentation modes Automatic return of own ship mark in true motion How to select a presentation mode Display Setup menuPresentation mode dialog box 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 How to measure fish school speed Measuring Fish School SpeedEntering fish marks Deleting fish marks Fish markDeleting fish marks with the Delete Mark key Deleting fish marks through the menu Event Mark, Own Ship Position Mark Entering an event markEvent mark data Entering an own ship position mark Deleting an event mark, own ship position markEvent mark description Deleting event marks, own ship position mark from the menu Net Course Mark Inscribing the net course markNet 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 Interpreting the Horizontal Display Bottom echoesBottom echoes Fish schools Fish schools Sea surface reflections WakeSea surface reflections Wake Sidelobe echoes false echoes Noise and interferenceNoise and interference Vertical Mode Vertical Mode Concept Setting the vertical displayVertical mode concept Overview Vertical Mode Indications and Marks Typical vertical displayVertical 1 display indications and markers Vertical bearing mark, tilt mark Solid Line Dashed LineVertical scan and horizontal scan ranges Auto Train Trackball mark position reference markAuto train 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 mode ES1 + ES2 Echo sounder + net recorder displayEcho sounder combination display Upward + downward looking net recorder display ES2 mode Echo Sounder 2 display Upward + downward looking display Selecting an Echo Sounder Mode Enabling an echo sounder modeDisplay mode dialog box System menu setting and available displays Echo sounder mode configurations and menu setting ES1 SETTING, ES2 Setting menus Selecting Display RangeRange and display shift concept 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 Overview ES1 Setting menuES1 setting menu description 10 ES2 Setting Menu Overview ES2 Setting menu net recorder connectedES2 Setting menu description History Mode History mode concept Sample History Display How to Interpret, Set the History Display How to interpret the history displayInterpreting 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 NUMERIC/GRAPHIC Data Display Full Numeric/Graphic Data DisplayFull Numeric/graphic data display Abbreviated Numeric/Graphic Data Display Abbreviated Numeric/graphic display Numeric/Graphic Data Description Numeric/graphic data descriptionOn next 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 Programming function keys Dialog box for erase ship trackConfirmation for registering function key Erasing programs Function key dialog box User Prog Control Selecting a user programProgramming the User Prog control 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 Opening the Alarm & Audio menuAlarm & Audio menu description PRESET, Memory Card menu Opening the PRESET, Memory Card menuPRESET, Memory Card menu description Initial Setting menu Opening the Initial Setting menuInitial Setting menu description Mark Display menu Heading mark Range ringsBearing scale Data on ship’s track Net movement plotFish marks connected with line Target lock mark Mark Size menuMark Size menu Others Menu Data Display menu Data Display menu Current flow direction settings Current VEC & Wind menuCurrent VEC & Wind menu NET Sonde Setting menu Xmtr Distance setting windowNET Sonde Settng menu NET Shoot Setting menu NET Shoot Setting menuDepth Display menu Stabilization menu Stabilization menuTest menu Initialization menu Initialization menuTime offset dialog box Storing Image, Configuration Memory Card Operations10-1 Processor unit 10-2 Memory Card menu Loading, Deleting Files 10-3Memory Card menu, recall, delete dialog box opened Formatting Memory Cards 10-4 MAINTENANCE, Troubleshooting Preventive MaintenanceCleaning the equipment 11-1 Hull Unit Maintenance Hull unit maintenance11-2 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 11-8Board test results 11-9 Interpreting the board test results Panel test 11-10Panel test Trackball check Lever check Test pattern 11-11Test patterns 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