Furuno MODEL CSH-73 manual Foreword, Word to CSH-73 Owners, Features

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FOREWORD

A Word to CSH-73 Owners

Congratulations on your choice of the FURUNO CSH-73 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 FURUNO CSH-73 Color Scanning Sonar is a half-circle, multibeam electronic scan- ning sonar which detects and instantaneously displays fish schools and underwater condi- tions in 16 colors on a 15" non-glare, high resolution CRT screen.

The main features of the CSH-73 are

•Vivid 16-color display provides intuitive recognition of seabed and concentration, distri- bution and volume of fish schools.

•Markers and indications keep the operator abreast of fishing conditions.

•Remote control box provides for armchair control of major functions.

•New gain, range or tilt setting appears in large characters whenever corresponding con- trol is adjusted.

•Function keys automatically setup the equipment to perform specific task.

•High power MOS FET transmitter ensures reliable operation under any condition.

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Contents Color Scanning Sonar 00080806200 Safety Instructions Table of Contents Function Keys Maintenance Foreword FeaturesWord to CSH-73 Owners Standard System ConfigurationControl Description Control Layout on Display Unit and Remote Control BoxMain Panel Power TransducerControl Function Control Function Sub PanelThis example shows settings of TVG and TX Sub Panel 2 data setting windowMain Setting Description Normal Range Sub Main Setting Description Normal Sub Range + + Remote Control BoxLowering the Transducer Turning the Power On/OffAdjusting Screen Brilliance, Control Panel Backlighting Operational OverviewDescription Selecting a Display ModeMode NormalSelecting a Display Range Setting the Tilt AngleMeasuring Range and Bearing to a Target Adjusting the GainEliminating Unwanted Feeble Echoes Fine Tuning the PicturePrinciple of TVG How to adjust TVGSuppressing Seabed Tail AGC data setting window SIGNAL, SignalPulselength data setting window TVGTX, PL 2AGC data setting window SIGNAL, Signal ProcessRejecting Sonar Interference and Noise Data setting window TVGTX, OutputIdentifying noise source Changing Tx cycle data setting window TvgtxNoise limiter data setting window SIGNAL, Signal Process Setting F-shift data setting window SonrbeamMenu Application Adjusting BeamwidthHOR This page is intentionally left blank Normal 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 DataRange and Bearing Mark Data Mark Description Net sonde transmitters with bars extending from the marks This page is intentionally left blank User 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 VECProgramming 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 MarkHow to set net sonde transmitter distances Setting Distances Between Net Sonde Transmitters16 Net behavior Observing Net BehaviorPort/Starboard display Port/Starboard, Horizontal Slice Displays18 Horizontal slice display Horizontal slice displayTurning marks on/off through the user menu Turning Marks, Data On/OffInitializing Memory Cards SAVING, Replaying PictureData to Save Saving Method Saving to Transferring Echo Data from Internal Memory to Memory Card Saving the PictureTransferring net shooting data to memory card Net shooting data contentsSaving Net Shooting Data How net shooting data is savedReplaying Saved Data Deleting Memory Card ContentsSeabed Echoes Interpreting the DisplaySurface Fish School Fish SchoolsBottom Fish School Wake 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 Display Unit Maintenance MaintenanceZinc block near the transducer must be replaced yearly Hull Unit MaintenanceSystem Menu Description Special Menu DescriptionBRG Readout Menu DescriptionMark Size Interlock DefaultsES/NET REC Hist DisplayColor Curve Data SET Menu DescriptionChange Color MenuNET Plot Corr NET ShootPlan NET SondeInit SET/TEST Menu Description NET REC Echo TestOthers Event KEY User Menu Menu TreeData SET Menu Init SET/TEST Menu System Menu From Previous This page is intentionally left blank SP-1 SpecificationsSP-2 DisplaySP-3 FeaturesThis page is intentionally left blank 13-4 IndexIN-2

MODEL CSH-73 specifications

The Furuno MODEL CSH-73 is a cutting-edge marine radar that embodies innovative technology and exceptional performance, designed specifically for commercial vessels and professional mariners. This model represents a significant advancement in radar capabilities, enhancing both navigational safety and operational efficiency.

One of the standout features of the CSH-73 is its compact design paired with a high-resolution display. The radar boasts a 12.1-inch color LCD screen that provides a crisp and clear view, allowing operators to easily identify targets and navigate in challenging conditions. The intuitive user interface facilitates quick access to essential radar functions, making it user-friendly even for those who may not be experts in radar operation.

A notable technological advancement in the CSH-73 is its digital signal processing (DSP) technology, which dramatically improves target detection capabilities, especially in adverse weather conditions. This technology helps to filter out noise and clutter, enabling the radar to provide accurate readings and reliable targeting information. The advanced target tracking capabilities allow users to monitor multiple vessels simultaneously, enhancing situational awareness.

In addition to its impressive detection capabilities, the CSH-73 features an Automatic Radar Plotting Aid (ARPA), which aids in collision avoidance by tracking the course and speed of approaching vessels. This sophisticated system simplifies decision-making for the crew, promoting safer navigation.

Another key innovation is the integration of Ethernet and NMEA 2000 connectivity. This feature enables seamless integration with other onboard systems, such as chart plotters and autopilots, creating a comprehensive navigation network. This connectivity allows for real-time data sharing, which enhances the overall operational effectiveness of the vessel.

The CSH-73 is also equipped with a range of customizable settings, allowing mariners to tailor the radar display to their specific needs and preferences. Features such as adjustable gain, sea clutter, and rain clutter suppression enhance the radar's performance under various environmental conditions.

Constructed with durability in mind, the CSH-73 adheres to robust marine standards, ensuring reliable performance even in the harshest maritime environments. This resilience is crucial for commercial vessels that regularly operate in challenging conditions.

In summary, the Furuno MODEL CSH-73 stands out as a powerful tool for enhancing maritime safety and navigation. Its advanced technologies, user-friendly interface, and durable construction make it an essential component for modern vessels, providing mariners with the confidence they need to operate effectively in any navigational scenario. The CSH-73 continues to uphold Furuno's reputation for excellence in marine electronics, making it a trusted choice for professionals worldwide.
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