Furuno MODEL CSH-73 manual Adjusting Beamwidth, Menu Application, Hor

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Adjusting Beamwidth

Beamwidth can be adjusted at SONR•BEAM, BEAM on the data setting window.

Table 3-1 Beamwidth adjustment menus

	Menu	Application

		Set to "0" for normal use. The higher the setting the
	HOR	narrower the beam. This control may be used
	HOR	together with the AGC and NL controls to suppress
		together with the AGC and NL controls to suppress
		sea surface reflections and seabed echoes.

3-7

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Contents

Color Scanning Sonar 00080806200 Safety Instructions Table of Contents Function Keys Maintenance Features ForewordWord 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 TVG Suppressing Seabed Tail AGC data setting window SIGNAL, Signal Pulselength 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 SonrbeamAdjusting Beamwidth Menu ApplicationHOR This page is intentionally left blank Marks, Data and Display Mode Normal 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 Menu How to open User Menu OverviewUser 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 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 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/OffSAVING, Replaying Picture Initializing Memory CardsData 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 DisplayFish Schools Surface Fish SchoolBottom 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 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 Display Unit Maintenance MaintenanceZinc block near the transducer must be replaced yearly Hull Unit MaintenanceSystem Menu Description Special Menu DescriptionMenu Description BRG ReadoutMark Size Interlock DefaultsES/NET REC Hist DisplayColor Curve Data SET Menu DescriptionChange Color MenuNET Plot Corr NET ShootPlan NET SondeInit SET/TEST Menu Description Echo Test NET RECOthers 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