Display Unit Maintenance | Furuno CSH-23F/24F instruction

MAINTENANCE

WARNING

Do not open the cover.

There are no user-serviceable parts inside. Refer any repair work to a qualified technician.

Display Unit Maintenance

Handle the equipment with care.

Damage can cause corrosion.

Clean the screen and filter regularly. Cover the equipment when it is not in use.

An anti-static spray may be used to clean the screen. Do not use chemical-based cleaners; they can remove paint and markings.

Keep magnets and cassette tapes away from the display unit.

Keep heater away from the equipment.

Heat can damage the

DISPLAY UNIT equipment. Allow sufficient ventilation.

Figure 16-1 Display unit maintenance

Magnets or magnetic material can can distort the picture.

16-1

Image 101

Furuno CSH-23F/24F manual Display Unit Maintenance

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 Word to CSH-23F/24F Owners FeaturesForeword Standard Option System Configuration Control Description Control Layout on Display Unit and Remote Control Box Main panel control description Main Panel RECALL, Memo NORM, E/S, HistRange Gain Control Function Sub Panel Sub Panel 2 data setting window AGC SignalProcess 2AGC Sonar AlarmUP/TM Sonrbeam + + Remote Control Box Adjusting Screen Brilliance, Control Panel Backlighting Turning the Power On/OffOperational Overview Lowering the Transducer Description Selecting a Display ModeMode Seabed echo and tilt angle Setting the Tilt AngleSelecting a Display Range Points to consider How to discriminate fish echoes from the seabed Tilt angle and sea surface reflections Tilt angle for surface fish Tilt angle and beam coverage Suitable tilt angle Measuring Range and Bearing to a Target Adjusting the GainPage Eliminating Unwanted Feeble Echoes Fine Tuning the PictureHow to adjust TVG Page Pulselength data setting window TVGTX, PL AGC data setting window SIGNAL, Signal2AGC data setting window SIGNAL, Signal Process Suppressing Seabed Tail Identifying noise source Data setting window TVGTX, OutputRejecting Sonar Interference and Noise Cycle Changing Tx cycle data setting window Tvgtx Setting F-shift data setting window Sonrbeam Adjusting BeamwidthNoise limiter data setting window SIGNAL, Signal Menu Application Marks and Data Marks, Data and Display ModeNormal display mode Echo sounder combination display Normal display mode w/text Mark/Data Description Permanently Displayed Marks and DataHistory display 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 User Menu Operation Menu How to openMenu Overview User Menu Hist DSP/GRPH Menu screen location and display mode Menu Menu Item Description User Menu Description Save Picture Current VEC TM DSP System Menu DescriptionFAR TVG Mark Size BRG ReadoutData Display ES/NET REC DefaultsHist Display Interlock Color Curve Data SET Menu Description Change Color Plan NET ShootNET Sonde NET Plot Corr Init SET/TEST Menu Description Echo Test Menu Description Programming the Function Keys Function Keys Replaying a Function Key Function Key Fine Tuning Replaying Function Key Settings from a Memory Card Saving Function Key Settings to a Memory Card This page is intentionally left blank Finding Fish School Center Advanced Level Operation Tracking a fish school Tracking a Fish School target lock Erasing target lock mark Choosing target lock modeTarget lock mark appearance Target lock and tilt angle Tracking target lock mark System Menu Target Lock Setting target lock conditions Description of target lock items Detecting Fish Schools Aurally How to set the fish alarm zone Fish Alarm Relocating Fish School for Easy Observation How to relocate fish schools Estimate marks and their data Comparing of Fish School Concentration Measuring Fish School Speed How to measure fish speed 10 Event marks Event Mark Erasing an event mark Entering an event mark 12 True motion display True Motion Display 13 Net location mark Plotting Net Location Mark 14 Net behavior Observing Net Behavior No. Display Information Applications Target Slice Display This page is intentionally left blank Vertical Scanning Display Using Vertical Scanning Display Searching Application to Bonito and Tuna FishingDisplay Indications Approaching Tracking Catching Catching Port/Starboard display PORT/STARBOARD, Horizontal Slice Displays Horizontal slice display Horizontal slice display Initializing Memory Cards Memory Card Operations Data to Save Saving Method Saving to Saving the PictureTransferring Echo Data from Internal Memory to Memory Card Saving Net Shooting Data Net shooting data contentsHow net shooting data is saved Transferring net shooting data to memory card Replaying Saved Data Deleting Memory Card Contents Turning marks on/off through the user menu Turning marks on/off through the data setting windowTurning MARKS, Data ON/OFF This page is intentionally left blank Seabed Echoes Interpreting the Display Midwater, bottom fish Tilt angle 30 or more Fish Schools Wake Sea Surface Reflections Noise and Interference False Echo by Sidelobe Unretracted Transducer Warning Overvoltage Warning How to manually raise the transducer Opening the Self Test Menu Self Tests Continuous test Self Test DescriptionSingle test Color test Panel test SIO test Gray test Interface unit CS-120A, cover opened Interface Unit CS-120A Self Test This page is intentionally left blank Selection of Data at Interface Unit CS-120A Input Data Selection How to set net sonde transmitter distances Setting Distances Between Net Sonde Transmitters Display Unit Maintenance Maintenance Zinc block near the transducer must be replaced yearly Hull Unit Maintenance User Menu Menu Tree Data SET Menu Init SET/TEST Menu System Menu Previous This page is intentionally left blank SP-1 Specifications SP-2 Display SP-3 Hull Unit This page is intentionally left blank 12-2 Index IN-2