Furuno manual Foreword, Word to CSH-23F/24F Owners, Features

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FOREWORD

A Word to CSH-23F/24F Owners

Congratulations on your choice of the FURUNO CSH-23F/24F Color Scanning Sonar. We are confident you will see why the FURUNO name has become synonymous with quality and reliability.

For over 40 years FURUNO Electric Company has enjoyed an enviable reputation for qual- ity marine electronics equipment. This dedication to excellence is furthered by our exten- sive global network of agents and dealers.

This equipment is designed and constructed to meet the rigorous demands of the marine environment. However, no machine can perform its intended function unless operated and maintained properly. Please carefully read and follow the recommended procedures for op- eration and maintenance.

We would appreciate hearing from you, the end-user, about whether we are achieving our purposes.

Thank you for considering and purchasing FURUNO equipment.

Features

The CSH-23F/24F is a full-circle, multibeam electronic color scanning sonar which detects and displays fish schools on a 15/21 inch non-glare, high-resolution color CRT.

The main features of the CSH-23F/24F are

• Vivid 16-color color, echo strength dependent display for improved recognition of sea- bed, fish school concentration, distribution and volume.

• Memory card for storage and replay of sonar picture (whole screen or echo inside esti- mate mark), net shooting data, ship's track, tidal current data, etc.

• Function keys for customized operation.

• Menu-driven operation with help screen.

• Wide variety of display modes: normal sonar picture, echo sounder combination, histrical display combination, port/starboard display, horizontal slice, target slice, and unique ver- tical scanning.

• Various marks and alphanumeric fishing information for intuitive operation.

• Remote control box for armchair control of major functions.

• High power MOS FET transmitter for reliable operation.

• Automatic screen degausser

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Contents Color Scanning Sonar 00080818600 Safety Instructions Do not use the equipment for other than its intended purpose Table of Contents Vertical Scanning Display Self Tests This page is intentionally left blank Features ForewordWord to CSH-23F/24F Owners Standard Option System ConfigurationControl Description Control Layout on Display Unit and Remote Control BoxMain panel control description Main PanelRECALL, Memo NORM, E/S, HistRange GainControl Function Sub PanelSub Panel 2 data setting window AGC SignalProcess 2AGCSonar AlarmUP/TM Sonrbeam+ + Remote Control BoxAdjusting Screen Brilliance, Control Panel Backlighting Turning the Power On/OffOperational Overview Lowering the TransducerSelecting a Display Mode ModeDescription Setting the Tilt Angle Selecting a Display RangeSeabed echo and tilt angle Points to consider How to discriminate fish echoes from the seabedTilt angle and sea surface reflections Tilt angle for surface fishTilt angle and beam coverage Suitable tilt angleMeasuring Range and Bearing to a Target Adjusting the GainPage Fine Tuning the Picture How to adjust TVGEliminating Unwanted Feeble Echoes Page Pulselength data setting window TVGTX, PL AGC data setting window SIGNAL, Signal2AGC data setting window SIGNAL, Signal Process Suppressing Seabed TailData setting window TVGTX, Output Rejecting Sonar Interference and NoiseIdentifying noise source Cycle Changing Tx cycle data setting window TvgtxSetting F-shift data setting window Sonrbeam Adjusting BeamwidthNoise limiter data setting window SIGNAL, Signal Menu ApplicationMarks, Data and Display Mode Normal display modeMarks and Data Echo sounder combination display Normal display mode w/textPermanently Displayed Marks and Data History displayMark/Data Description Erasable Marks and Data Bearing marker Mark Description Range R Auto Tilt Auto Scan Gain Brill TVG TVG DIM This page is intentionally left blank Menu How to open Menu OverviewUser Menu Operation User Menu Hist DSP/GRPH Menu screen location and display modeMenu Menu Item Description User Menu DescriptionSave Picture Current VECSystem Menu Description FAR TVGTM DSP BRG Readout Data DisplayMark Size ES/NET REC DefaultsHist Display InterlockColor Curve Data SET Menu DescriptionChange Color Plan NET ShootNET Sonde NET Plot CorrInit SET/TEST Menu Description Echo Test Menu DescriptionProgramming the Function Keys Function KeysReplaying a Function Key Function Key Fine TuningReplaying Function Key Settings from a Memory Card Saving Function Key Settings to a Memory CardThis page is intentionally left blank Finding Fish School Center Advanced Level OperationTracking a fish school Tracking a Fish School target lockChoosing target lock mode Target lock mark appearanceErasing target lock mark Target lock and tilt angle Tracking target lock markSystem Menu Target Lock Setting target lock conditionsDescription of target lock items Detecting Fish Schools Aurally How to set the fish alarm zone Fish AlarmRelocating Fish School for Easy Observation How to relocate fish schoolsEstimate marks and their data Comparing of Fish School ConcentrationMeasuring Fish School Speed How to measure fish speed10 Event marks Event MarkErasing an event mark Entering an event mark12 True motion display True Motion Display13 Net location mark Plotting Net Location Mark14 Net behavior Observing Net BehaviorNo. Display Information Applications Target Slice DisplayThis page is intentionally left blank Vertical Scanning Display Using Vertical Scanning DisplayApplication to Bonito and Tuna Fishing Display IndicationsSearching Approaching TrackingCatching CatchingPort/Starboard display PORT/STARBOARD, Horizontal Slice DisplaysHorizontal slice display Horizontal slice displayInitializing Memory Cards Memory Card OperationsSaving the Picture Transferring Echo Data from Internal Memory to Memory CardData to Save Saving Method Saving to Saving Net Shooting Data Net shooting data contentsHow net shooting data is saved Transferring net shooting data to memory cardReplaying Saved Data Deleting Memory Card ContentsTurning marks on/off through the data setting window Turning MARKS, Data ON/OFFTurning marks on/off through the user menu This page is intentionally left blank Seabed Echoes Interpreting the DisplayMidwater, bottom fish Tilt angle 30 or more Fish SchoolsWake Sea Surface ReflectionsNoise and Interference False Echo by SidelobeUnretracted Transducer Warning Overvoltage WarningHow to manually raise the transducer Opening the Self Test Menu Self TestsSelf Test Description Single testContinuous test Color test Panel testSIO test Gray testInterface unit CS-120A, cover opened Interface Unit CS-120A Self TestThis page is intentionally left blank Selection of Data at Interface Unit CS-120A Input Data SelectionHow to set net sonde transmitter distances Setting Distances Between Net Sonde TransmittersDisplay Unit Maintenance MaintenanceZinc block near the transducer must be replaced yearly Hull Unit MaintenanceUser Menu Menu TreeData SET Menu Init SET/TEST Menu System Menu Previous This page is intentionally left blank SP-1 SpecificationsSP-2 DisplaySP-3 Hull UnitThis page is intentionally left blank 12-2 IndexIN-2