Furuno 1833C, 1933C, 1943C manual Measuring range by VRM, EBL/VRM soft keys

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2. RADAR OPERATION

2.10.3Measuring range by VRM

1. Press the [EBL/VRM] key to display the EBL/VRM soft keys.

12/LP 3nm

H-UP

	319. 9° M	EBL
	319. 9° M	VRM
		VRM

EBL1

VRM1

OFFSET

EBL2

VRM2

+ 359.9 ˚R 11.70nm

EBL/VRM soft keys

2.Press the VRM1 ON (dotted ring VRM) or VRM2 ON (dashed ring VRM) soft key to select the desired VRM. The selected VRM’s indication, at the bottom of the screen, is highlighted.

3.Rotate the [ENTER] knob the place the VRM on the inside edge of a radar target. Read the VRM indication to find range to the target.

12/LP 3nm

H-UP

VRM2 (Dashed line)

VRM1 (Dotted line)

	EBL1	EBL2
VRM1 range	---.-°R	---.-°R
	VRM1	VRM2
	3.123nm	9.343nm

319. 9° M	EBL
	VRM

EBL1

VRM1

OFFSET

EBL2

VRM2

+ 359.9 ˚R 11.70nm

Active VRM is highlighted.

VRM2 range

4.You may hide the EBL/VRM soft keys by pressing the [EBL/VRM] key. How to measure range with the VRM

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Contents Page R 0 0 Safety Instructions Table of Contents Iii Plotter Operation Video Sounder Operation Customizing Your Unit Data Transfer ViiViii ForewordModel Output Range Radar FeaturesSingle-unit NavNet system Model 1833C/1933C/1943C Single-unit NavNet system Model 1833C/1933C/1943CSingle-unit NavNet system GD-1900C Single-unit NavNet system GD-1900CThree-or-more-unit NavNet system XiiTwo-unit NavNet system Two-unit NavNet systemOperational Overview Control panel Operating ControlsDisplay unit controls Overview of display unit controlsRadar and plotter displays Soft keysDisplay unit 12/LP 3nmRemote controller Remote controllerChart card and card remover Inserting a Chart CardStartup sequence Turning the Unit On/OffDisplay brilliance and panel brilliance windows Brilliance adjustment soft keysDisplay Brilliance, Panel Brilliance, Hue Display brilliance, panel brillianceHue window 2 HueScreen type and available display screen Selecting a DisplayDisplay modes Display screensRadar combination screen selection window Selecting a displayDisplay screen selection window To adjust plotter Switching control in combination and overlay screensRadar source and sounder source windows Selecting image sourceSelect source menu Cursor, cursor data Trackball, CursorMOB mark messages Entering the MOB Mark, Setting MOB as DestinationMOB concept Data boxes Data BoxesShowing, hiding data boxes with soft key Temporarily erasing a data box Rearranging data boxesFunction keys Function KeysExecuting a function 16.0 nmSimulation Display Simulation setup menuPlotter RadarNavNet display unit-generated echoes Sounder Radar display Radar Display+ 359.9 ˚R 12/ LPTransmitting, Stand-by TuningAdjusting the Gain Tuning windowGain sensitivity window Gain adjustment soft keysHow the A/C SEA works Adjusting the A/C SEASEA setting window Reducing Sea ClutterReducing Precipitation Clutter Adjusting the A/C RainRain setting window Range scales km Range ScaleRange scales nm, sm Pulselength Signal process soft keysRadar display soft keys Presentation ModeSelecting a presentation mode Head-up HU Head-up presentation modeCourse-up presentation mode Description of presentation modesTrue motion TM North-up presentation modeTrue motion presentation mode North-up NURadar display soft keys Measuring the RangeMeasuring range by range rings Measuring range by cursor How to measure range to a target with the cursorEBL/VRM soft keys Measuring range by VRMMeasuring the Bearing Hiding EBL/VRM data boxes How to measure bearing with the EBLErasing an EBL, EBL indication Erasing EBL/VRM data boxesReducing Noise Interference Erasing the Heading Line, North MarkerRadar interference Rejecting Radar InterferenceZoom ZoomZooming in on radar targets Zooming in on ARP, TTM targetsShifting the picture manually Shifting the PictureManual shift Target no. selection windowAutomatic shift Setting automatic shift maximum speedAuto ship speed setting window Automatic shiftPredicting collision course with the offset EBL Using the Offset EBLPredicting collision course Measuring range and bearing between two targets Measuring range & bearing between two targetsTrail soft keys Echo TrailsTrail time Sample echo trailsMultitone and monotone trails Starting echo trailsTrail gradation Trail color window Echo trail modeTrail mode window Trail colorTypes of echo stretch Echo StretchEffect of echo averaging Echo AveragingTarget soft keys Outputting TLL DataHow to set a guard alarm zone Guard AlarmSetting a guard alarm zone Cancelling the guard alarm When the alarm is violated…Turning on/off watchman Setting watchman stand-by intervalWatchman How watchman worksSecond-trace echoes Suppressing Second-trace EchoesWaypoint marker Waypoint MarkerDisplay accuracy is affected by the following 26 ARP, TTM OperationARP target info window ARP setup menuActivating/deactivating ARP, TTM Automatic acquisition ARP plot symbolsAcquiring and tracking targets ARP Manual acquisitionARP target number Displaying target number ARP, TTMAutomatic acquisition area Terminating tracking of all targets Cancel all targets windowTerminating tracking of ARP targets Terminating tracking of selected targetsVector reference, vector time Setting vector attributes ARPWhat is a vector? History interval window Displaying past position ARPPast position displays ARP target data 26.7 ARP, TTM target dataCPA window 26.8 CPA/TCPA alarm ARPLost target mark Lost target alarm ARPCanceling a lost target Tcpa windowMinimum and maximum ranges Interpreting the Radar DisplayGeneral Bearing accuracy Radar resolutionBearing resolution Range resolutionSidelobe echoes False echoesMultiple echoes Multiple echoesShadow sectors Virtual imageVirtual image Shadow sectorsSart Search and Rescue Transponder Appearance of Sart signal on the radar displayGeneral remarks on receiving Sart General procedure for detecting Sart responseRain control Appearance of racon signal on the radar displayRacon Radar Beacon SEA controlFull-screen plotter display Plotter DisplaysFull-screen plotter display 001WPT Contents of nav data windowNav data window Compass display Compass displaySoft keys Reading the XTE cross-track error monitorSetting the range for the XTE monitor XTE range setting windowHighway display Highway displayNav data displays Nav data displayNorth-up Plotter display, north-up modePlotter display, course-up mode, destination set Plotter display, auto course-up modeCourse-up Auto course-upShifting the Display Chart ScaleCharts scales Chart icons and their meanings Chart CardsChart card overview When a chart cannot be displayed Indices and chart enlargementSample chart Japan, showing indices Data for aids to navigation Furuno and NavCharts chartsChart symbols Plotter display, showing port service display Port service icons NavCharts onlyExample of caution area window MAP chartsCursor and data display Objects windowObject windows Icon dataLighthouse icon Objects window Sample lighthouse dataTide information Date window Tide windowTrack control menu Working with TrackDisplaying track Own ship trackTarget track Stopping, restarting plotting of own ship trackOwn ship track color window Changing track colorOwn ship’s track Track plotting interval Track plotting method and interval for own ship trackTrack plotting method Interval windowTrack memory window Changing own ship track/mark distribution settingErase menu Erasing trackErasing own ship track by area Erasing all target tracks Erasing own ship track by colorErase track by color window Erasing all own ship trackMarks & lines menu Marks, LinesEntering a mark, line Changing mark attributesLines style window Selecting line typeMarks shape window Marks§& lines menuErasing marks, lines by area Erasing marks, linesErasing an individual mark Erasing an individual lineEntering a waypoint with the cursor WaypointsEntering waypoints Entering a waypoint at own ship positionWaypoint mark color selection window Waypoint mark shape selection windowEntering a waypoint by range and bearing Editing waypoint data from the waypoint list Editing waypoint dataEntering a waypoint from the waypoint list Alphanumeric and local waypoint listsPlotter display Editing a waypoint from the plotter displayErasing a waypoint from the waypoint list Erasing waypointsErasing a waypoint directly from the plotter display Erasing a waypoint from the menuChart details menu Changing waypoint mark size FURUNO, NavChartsAlphanumeric list Searching waypointsRoute menu RoutesCreating routes Entering a route with existing waypointsEntering a route with the cursor New route entry screenSave route window Creating voyage-based routesSave route menu To stop recording waypoints and save the route Displays for entry of time, distance intervalFor manual entry of waypoints, do the following Connect route window Connecting routesWaypoint list for editing a route local list Inserting waypointsInserting a waypoint from the route list Edit route menuInserting a waypoint in an intermediate location on a route Inserting a waypoint from the plotter displayRemoving a waypoint from the plotter display Removing waypoints from a routeErasing routes Removing a waypoint from the route listGo to method window NavigationNavigating to a quick point Selecting quick point entry methodSelecting a waypoint from the waypoint list Navigating to waypointsNavigating to multiple quick points Selecting a waypoint from the plotter displayPort services and sample port list Navigating to ports, port services NavCharts onlySample filling station locations southern Italy Navigating waypoints in reverse order Following a routeSelecting the route to follow Plotter display, route selected as destinationLog display Example of when to restart navigationRestarting navigation Select speed for ETA window Setting speed for ETA calculationSwitching waypoints Automatic waypoint switching methodsCanceling route navigation Audio alarm window AlarmsAudio alarm on/off Plotter alarm menuArrival alarm window Arrival alarmHow the arrival alarm works Anchor watch alarm window Anchor watch alarmHow the anchor watch alarm works XTE alarm window XTE Cross-Track Error alarmSpeed alarm How the XTE alarm worksProximity mark Proximity alarmProximity alarm window Trip alarm window Trip alarmPlotter alarm menu, Alarm informationPlotter alarm messages and their meanings Alarm messagesGeneral setup menu, Resetting Trip DistanceUnderwater conditions and video sounder display Principle of OperationSelecting a sounder display Display mode windowSounder Displays Indications on the single frequency display 120Description of sounder displays Single-frequency displayMarker-zoom display Dual-frequency displayDual-frequency display KHz picture Sounding area and transmission frequencyBottom-zoom display plus normal sounder display Marker-zoom display plus normal sounder displayBottom-zoom display Bottom-lock display plus normal sounder display Bottom-lock displayScope display Bottom discrimination displayBottom discrimination display Scope display display onlySelecting screen split method in combination displays How to use the Split soft key example dual frequency displayTypes of automatic sounder modes How to enable automatic sounder operationAutomatic Sounder Operation How the automatic sounder worksSelecting display range Selecting the manual modeAdjusting the gain Manual Sounder OperationShift concept Shifting the rangeGain window Measuring Depth, Time How to measure depth and timeNoise limiter window Reducing InterferenceTypes of interference Clutter window Reducing Low Level NoiseAppearance of clutter Appearance of weak echoes Signal level windowErasing Weak Echoes White marker window Color bar 16 color when white marker function is activeWhite Marker Picture advance window Picture Advance SpeedAdvancement independent of ship’s speed Advancement synchronized with ship’s speed How the speed-dependent picture advance mode worksHue no. and background and echo colors Display ColorsAlarm audio window Sounder alarm menuFish alarm window Bottom alarmFish alarm Bottom alarm windowFish alarm B/L window Fish alarm B/LWater temperature alarm window Water temperature alarmSounder alarm menu When an alarm setting is violatedSounder alarm messages and their meanings Water Temperature GraphZero line Interpreting the Sounder DisplayZero line Bottom echoSurface noise/aeration Fish school echoesSurface noise/Aeration Fish school echoesGeneral setup menu General SetupOn next Contents of general setup menuRadar display setup menu Radar SetupRadar display setup Contents of general setup menu con’t from previousCon’t on next Contents of radar display setup menuContents of radar display setup menu con’t from previous Radar range setup menu Radar range setupRadar function key options Function key setupRadar function key menu Menu Item Function Function Key Radar function keysNavigation options Plotter SetupPlotter setup menu Contents of plotter setup menu Plotter function key options Function key setupPlotter function key menu RUL Plotter function keysPlotter display, chart offset selected Chart SetupChart offset Chart details menu FURUNO, NavCharts FURUNO, NavCharts chart attributesContents of chart details menu FURUNO, NavCharts Cntour Line soft key MAP chart attributesContour line menu FURUNO, NavCharts Chart details menu C-MAPContents of chart details menu C-MAP Depth info menu C-MAP Settings descriptionDepth Info soft key Data box menu Data Boxes SetupHot page setup menu Hot Page SetupHOT Hot page setup menu, Split X 3 screen, sub screen selectionNavigation data source Navigator SetupContents of nav setup menu Con’t on next GPS receiver setupGPS setup menu Contents of GPS setup menu Contents of GPS setup menu con’t from previous Status Loran GRI & station pair window TD display setupTD setup menu Displaying Loran C TDsDecca chain and station pair window Displaying Decca TDsNav data setup window Nav Data Display SetupNav data setup screen On next Sounder SetupSystem setup TVG Sounder system setup menu description con’t from previousSensor setup menu settings Sensor setupSensor setup menu Zoom range and bottom-lock ranges Sounder range setup menuDefault basic ranges Sounding range, zoom range, bottom lock rangeSounder function key options Sounder function key menuSounder function keys Save data menu Memory Card OperationsFormatting memory cards Save data menu Saving data to a memory cardMemory card messages Memory card messagesLoad data menu Playing back data from a memory cardUpload and download menus Setting communication software on the PCUploading, Downloading Data Uploading or downloading dataCharacters available for comment Baud rate windowWaypoint data format Waypoint data formatEnd of sentence Route data menuRoute comment data format Loading Waypoint Data from Yeoman Marks & lines window Receiving Data Via Network EquipmentReceive data menu Host name windowSelect sentence menu Outputting Data Through the NetworkMaintenance program Preventive MaintenanceReplacement of Battery Trackball Maintenance Replacement of FuseRadar Simple TroubleshootingGeneral troubleshooting Radar troubleshootingPlotter Plotter troubleshootingSounder Sounder troubleshootingMemory I/O Test menu DiagnosticsMemory I/O test GPS receiver test results Display unit testDisplay unit test results GPS sensor test Requires GPS Receiver GP-310BARP test results Network sounder test Requires Network Sounder ETR-6/10NNetwork sounder test results Test pattern sequence Test patternScreen for testing keyboard, remote controller Keyboard, remote controller testGPS status display GPS Status DisplayWindows for clearing memory Clearing MemoriesMemory clear menu Error messages Error MessagesMenu key Menu OverviewAppendix System Port Appendix Plotter Chart Details MAP Soft KEY 1, Track ON/OFF Soft KEY 2, Edit MK/LINE Temperature Graph ON, OFF SPD Sensing PIC ADV ON, OFF Sounder Alarms Alarm keyRadar Alarms Plotter AlarmsGeodetic Chart List World Time Chart V E IconsModel 1833C/1933C/1943C Specifications of Marine RadarMODEL1943C Ggarmcrmagll Coating Color Specifications of Video Plotter GD-1900C IPX5 Index-1 IndexIndex Index-2Messages Index-3Index-4 Presentation modeTrackball Index-5

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1833C, 1933C, 1943C specifications

Furuno is a well-respected name in marine electronics, renowned for producing high-quality navigation and fish-finding equipment. Among their product line, the Furuno 1943C, 1953C, 1933C, GD-1900C, and 1833C stand out as reliable radar systems, providing exceptional performance and advanced features for both commercial and recreational vessels.

The Furuno 1943C is a powerful 12 kW radar system, boasting a 10.4-inch monochrome display with a user-friendly interface. It is equipped with digital signal processing (DSP) technology that enhances target detection and resolution. The 1943C offers superior target tracking capabilities, even in challenging weather conditions. Its patented Auto Gain Control ensures that small targets are not lost in clutter, making it a favorite among serious navigators.

Moving on to the Furuno 1953C, this model has an impressive 12 kW output and features a high-resolution 15-inch color display. It integrates advanced features such as Automatic Radar Plotting Aid (ARPA) for tracking multiple targets simultaneously, increasing situational awareness and safety on the water. Additionally, the 1953C offers a range of presentation modes, allowing users to customize the display to their specific needs.

The Furuno 1933C is a compact yet efficient radar solution with a 6 kW output and a 10.4-inch monochrome display. This system is highly regarded for its reliable performance and ease of use. Its user-friendly interface makes navigation simple, while features such as Target Analyzer and Echo Trails aid in identifying potential hazards, ensuring safe passage through busy waterways.

The Furuno GD-1900C combines chartplotting and radar in a single unit. With a 10.4-inch color display, it provides clear visuals of radar data as well as navigation charts. The GD-1900C supports various chart formats, including C-MAP and Navionics, allowing boaters to access detailed navigational information. This system is especially useful for those who need both radar and chartplotting capabilities in a space-saving design.

Lastly, the Furuno 1833C is a versatile radar system with a 4 kW output and a 7-inch color display, catering to smaller vessels. It features Furuno's advanced technology, such as a built-in GPS receiver and the ability to overlay radar data on electronic charts. This model is ideal for recreational boaters seeking an affordable yet feature-rich radar solution.

In summary, Furuno’s range of radar systems, including the 1943C, 1953C, 1933C, GD-1900C, and 1833C, demonstrates the brand’s commitment to quality and innovation in marine technology. Each unit incorporates advanced features tailored to meet the diverse needs of boaters, ensuring safe and efficient navigation on the water.