Manuals / Furuno / Marine Equipment / SONAR

Furuno CSH-23F/24F manual Interface Unit CS-120A Self Test, Interface unit CS-120A, cover opened

Models: CSH-23F/24F

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Interface Unit CS-120A Self Test

1.Open the cover of the interface unit.

2.Find DIP switch DP-1 on the lone circuit board. Turn switch #6 on to start the self test. The results of the check appear on the digital display beside the DIP switch.

3.Turn the DIP switch off after completion of the test.

					Turn #6 on.
							6

				6
				6
				7	7
				7	7
				8	8
				8	8

If the readout shows "0" the unit is functioning properly. If it is not working properly any of the following nine numerals or six alphabets appear.

Digital display

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Figure 14-8 Interface unit CS-120A, cover opened

14-5

Image 97

Furuno CSH-23F/24F manual Interface Unit CS-120A Self Test, Interface unit CS-120A, cover opened

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 Foreword FeaturesWord 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 TransducerMode Selecting a Display ModeDescription Selecting a Display Range Setting the Tilt AngleSeabed 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 How to adjust TVG Fine Tuning the PictureEliminating Unwanted Feeble Echoes Page Pulselength data setting window TVGTX, PL AGC data setting window SIGNAL, Signal2AGC data setting window SIGNAL, Signal Process Suppressing Seabed TailRejecting Sonar Interference and Noise Data setting window TVGTX, OutputIdentifying 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 ApplicationNormal display mode Marks, Data and Display ModeMarks and Data Echo sounder combination display Normal display mode w/textHistory display Permanently Displayed Marks and DataMark/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 Overview Menu How to openUser Menu Operation User Menu Hist DSP/GRPH Menu screen location and display modeMenu Menu Item Description User Menu DescriptionSave Picture Current VECFAR TVG System Menu DescriptionTM DSP Data Display BRG ReadoutMark 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 lockTarget lock mark appearance Choosing target lock modeErasing 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 DisplayDisplay Indications Application to Bonito and Tuna FishingSearching Approaching TrackingCatching CatchingPort/Starboard display PORT/STARBOARD, Horizontal Slice DisplaysHorizontal slice display Horizontal slice displayInitializing Memory Cards Memory Card OperationsTransferring Echo Data from Internal Memory to Memory Card Saving the PictureData 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, Data ON/OFF Turning marks on/off through the data setting windowTurning 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 TestsSingle test Self Test DescriptionContinuous 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