Manuals / Furuno / Marine Equipment / Marine RADAR

Furuno 1732C, 1753C, 1742, 1733C, 1752 Simple Troubleshooting, General troubleshooting, If… Then…

Models: 1752C 1732 1763C 1723C 1732C 1733C 1742 1722 1762C 1752 1753C 1762 1722C 1742C

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7. MAINTENANCE, TROUBLESHOOTING

7.4Simple Troubleshooting

This section provides simple troubleshooting procedures which the user can follow to restore normal operation. If you cannot restore normal operation do not attempt to check inside the unit. Any trouble should be referred to a qualified technician.

7.4.1General

	General troubleshooting

If…	Then…
you cannot turn on the	! check for blown fuse.
power	! check that the power connector is firmly fastened.
	! check for corrosion on the power cable connector.
	! check for damaged power cable.
	! check battery for proper voltage output (10.8 to 31.2 V).
there is no response when	! turn off and on the power. If there still is no response the key may be faulty.
a key is pressed	Request service.

7-3

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Furuno 1732C, 1753C, 1742, 1733C, 1752, 1723C, 1762C, 1722C, 1763C Simple Troubleshooting, General troubleshooting, If… Then…

Contents

Marine Radar 00080918202 Safety Instructions Table of Contents Iii Plotter Operation Video Sounder Operation Customizing Your Unit Data Transfer ViiViii ForewordFeatures NavNet system NavNet systemThree-or more unit NavNet system Two-unit NavNet systemTwo-unit NavNet system Xii What is WAAS?Operational Overview Display unit controls Operating ControlsOverview of display unit controls Control panelPlotter display Soft keysDisplay unit Enter knob Enter knob Alphabet, symbol, numericCenter Remote controllerChart card and card remover Inserting a Chart CardStartup test Turning the Unit On/OffCursor, cursor data Cursor Pad, CursorDisplay Brilliance, Panel Brilliance, Contrast, Hue Brilliance adjustment soft keysDisplay brilliance, panel brilliance Display brilliance and panel brilliance windowsContrast Day Night Twilight Applicable modeHue MODEL1722C/1723C series Contrast windowDisplay modes Selecting a DisplayDisplay screens Screen type and available display screenRadar combination screen selection window Selecting a displayFull-screen selection window overlay for color model 12 3nm Switching control in combination and overlay screensRadar source and sounder source windows Selecting radar sourceSelect source menu Showing, hiding data boxes with soft key Data BoxesRearranging data boxes Temporarily erasing a data boxExecuting a function Function KeysSimulation Display Simulation setup menuRadar Internally generated echoesPlotter Antenna unit-generated echoesSounder This page is intentionally left blank Radar display Radar DisplayAdjusting the Gain TuningTuning window Transmitting, Stand-byGain sensitivity window Gain adjustment soft keysSEA setting window Adjusting A/C SEAReducing Sea Clutter How the A/C SEA worksReducing Precipitation Clutter Adjusting the A/C RainRain setting window FTC setting window Adjusting the FTCRange scales km Range ScaleRange scales nm, sm Pulselength Signal process soft keysRadar display soft keys Presentation ModeSelecting a presentation mode Course-up presentation mode Head-up presentation modeDescription of presentation modes Head-upTrue motion presentation mode North-up presentation modeNorth-up True motionMeasuring range by range rings Measuring the RangeMeasuring range by cursor How to measure range and bearing to a target with the cursorEBL/VRM soft keys How to measure range with the VRMMeasuring range by VRM Measuring the Bearing Erasing an EBL, EBL indication How to measure bearing with the EBLReducing Noise Erasing the Heading Line, North MarkerRadar interference Reducing Radar InterferenceZooming in on radar targets ZoomZooming ARP, TTM targets ZoomTarget no. selection window Shifting the PictureManual shift Auto ship speed setting window Setting automatic shift maximum speedAutomatic shift Shifting the picture manuallyPredicting collision course with the offset EBL Using the Offset EBLPredicting a collision course Measuring range and bearing between two targets Measuring range & bearing between two targetsTrail time Echo TrailsSample echo trails Trail soft keysTrail brilliance MODEL1722 series Starting echo trailsTrail gradation MODEL1722C/1723C series Multitone and monotone trailsTrail color window Trail color MODEL1722C/1723C seriesTypes of echo stretch Echo StretchEffect of echo averaging Echo AveragingTarget soft keys Outputting TLL DataSetting a guard alarm zone Guard AlarmCanceling the guard alarm When the alarm is violated…Watchman Setting watchman stand-by intervalHow watchman works Turning on/off watchmanWaypoint marker Waypoint MarkerARP option, TTM operation Usage precautions for ARPARP target info window ARP setup menuActivating/deactivating ARP, TTM Acquiring and tracking targets ARP only ARP plot symbolsManual acquisition Automatic acquisitionARP target number Displaying target number internal, external ARPAutomatic acquisition area Terminating tracking of ARP targets Cancel all targets windowTerminating tracking of selected targets Terminating tracking of all targetsVector reference, vector time Setting vector attributes ARPWhat is a vector? History interval window Displaying past position display ARPPast position displays ARP target data 25.7 ARP, TTM target dataCPA window 25.8 CPA/TCPA alarm ARPCanceling a lost target Lost target alarm ARPTcpa window Lost target markMinimum and maximum ranges Interpreting the Radar DisplayGeneral Bearing resolution Radar resolutionRange resolution Bearing accuracyMultiple echoes False echoesMultiple echoes Sidelobe echoesVirtual image Virtual imageShadow sectors Shadow sectorsSart Search and Rescue Transponder Appearance of Sart signal on the radar displayGeneral remarks on receiving Sart General procedure for detecting Sart responseRacon Radar Beacon Appearance of racon signal on the radar displaySEA control Rain controlFull-screen plotter display Plotter DisplaysFull-screen plotter display Nav data window Contents of nav data windowCompass display Compass displayXTE range setting window Reading the XTE cross-track error monitorHighway display Highway displayNav data displays Nav data displayNorth-up Plotter display, north-up modeCourse-up Plotter display, auto course-up modeAuto course-up Plotter display, course-up mode, destination setShifting 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 NavChartsChart symbols Current or tide data Port service icons NavCharts onlyPlotter display, showing port service display Cursor and data display MAP cardsObjects window Example of caution area windowObject windows Icon dataLighthouse icon Tide information Sample lighthouse dataDate window Port service iconsTide window Displaying track Working with TrackOwn ship track Track control menuTrack control menu MODEL1722C/1723C series Stopping, restarting plotting of own ship trackTarget track Own ship track color window Changing track color MODEL1722C/1723C seriesOwn ship’s track Track plotting method Track plotting method and interval for own ship trackPlot window Track plotting intervalMemory track & mark window Changing own ship track/mark distribution settingErase menu Erasing trackErasing own ship track by area Erase track by color window Erasing own ship track by color color modelErasing all own ship track Erasing all target tracksEntering a mark Marks, LinesChanging mark attributes Mark shapesMark shape window Selecting line typeLine style window Erasing marks, linesErasing an individual mark Erasing an individual lineErasing all marks, lines Entering waypoints WaypointsEntering a waypoint at own ship position Entering a waypoint with the cursorWaypoint mark color selection window Waypoint mark shape selection windowEntering a waypoint by range and bearing Entering a waypoint from the waypoint list Editing waypoint dataAlphanumeric and local waypoint lists Editing waypoint data from the waypoint listEditing a waypoint from the plotter display Erasing a waypoint from the waypoint list Erasing waypointsErasing a waypoint with the cursor Chart details menu Changing waypoint mark size FURUNO, NavChartsAlphanumeric list Searching waypointsCreating routes RoutesEntering a route with existing waypoints Route menuEntering a route with the cursor Save 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 routesInserting waypoint from the route list Inserting waypointsEdit route menu Waypoint list for editing a route local listInserting a waypoint in an intermediate location on a route Inserting a waypoint from the plotter displayErasing routes Removing waypoints from a routeRemoving a waypoint from the route list Removing a waypoint from the plotter displayNavigating to a quick point NavigationSelecting quick point entry method Goto method windowNavigating to multiple quick points Navigating to waypointsSelecting waypoint from the plotter display Selecting waypoint from the waypoint listQP window Navigating to ports, port services NavCharts/C-MAPSelecting an external waypoint Sample filling station locations southern Italy Port services and sample port listSelecting the route to follow Following a routePlotter display, route selected as destination Navigating route waypoints in reverse orderLog display Example of when to restart navigationRestarting navigation Select speed for ETA window Setting speed for ETA calculationSwitching waypoints Canceling route navigation Audio alarm on/off AlarmsPlotter alarm menu Audio alarm windowArrival alarm window Arrival alarmHow the arrival alarm works Anchor watch alarm window Anchor watch alarmHow the anchor watch alarm works Speed alarm XTE Cross Track Error alarmHow the XTE alarm works XTE alarm windowProximity mark Proximity alarmProximity alarm window Trip alarm window Trip alarmAlarm menu Alarm informationAlarm messages Resetting Trip DistancePlotter alarm messages and their meanings General setup menu,MOB mark messages Entering the MOB Mark, Setting MOB as DestinationMOB concept This page is intentionally left blank Underwater conditions and video sounder display Principle of OperationSelecting a sounder display Display mode windowSounder Displays Single frequency display Description of sounder displaysDual-frequency display LF picture Dual-frequency displayHF picture Sounding area and transmission frequencyMarker-zoom display plus normal sounder display Marker-zoom displayBottom-zoom display Bottom-zoom display plus normal sounder displayBottom-lock display plus normal sounder display Bottom-lock displayBottom discrimination display Bottom discrimination displayScope display Selecting screen split method in combination displaysScope display display only Auto mode window How to enable automatic sounder operationAutomatic Sounder Operation How the automatic sounder worksAdjusting the gain Selecting the manual modeManual Sounder Operation Selecting display rangeShift concept Range shiftingGain window Measuring Depth, Time How to use the VRM, time cursorNoise 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 White Marker MODEL1722C/1723C seriesPicture 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 Colors MODEL1722C/1723C seriesSounder alarm menu Fish alarm Bottom alarmBottom alarm window Fish alarm windowFish alarm B/L window Fish alarm B/LWater temperature alarm window Water temperature alarmFish Alarm When an alarm setting is violatedChanging Pulse Repetition Rate Water Temperature GraphSounder alarm messages and their meanings Zero line Interpreting the Sounder DisplayBottom echo Zero lineSurface noise/Aeration Fish school echoesFish school echoes Surface noise/aerationGeneral setup menu General SetupDescription Settings Default Setting Contents of general menuRadar display setup menu Radar SetupRadar display setup On next Contents of radar setting menuContents of radar setting menu con’t from previous Radar range setup menu Radar range setupDefault Function Function Key Label Function key setupRadar function key menu Radar function key optionsMenu Item Function Radar function keysNavigation options Plotter SetupDisplay option menu Contents of display option menu Plotter function key options Default FunctionPlotter function key menu RUL Ruler Plotter function keysPlotter display, chart offset selected Chart SetupChart offset Chart details menu FURUNO, Nav-Charts FURUNO, Nav-Chartschart attributesDescription Settings Contents of chart details menu FURUNO, NavChartsCntour Line soft key Contour line menu FURUNO, Nav-ChartsChart details menu C-map MAP chart attributesContents of chart details menu C-map Settings description Contents of C-MAP chart details menu from previousDepth info menu C-map Depth Info soft keyData box menu Data Boxes SetupFull-screen selection window Ovrly for color model only Hot Page SetupHot page setup menu Combination screen selection window Contents of nav setup menu Navigator SetupDescription Settings Default Navigation data sourceGPS sensor setup menu Contents of GPS setup menu GPS receiver setup Set equipped with GP-310B/320BGPS Status Contents of GPS sensor setup menu con’t from previousContents of Waas Setup menu Waas SetupTD setup menu TD display setupDisplaying Loran C TDs Loran GRI & station pair windowDecca chain and station pair window Displaying Decca TDsNav data setup window Nav Data Display SetupNav data setup screen System setup Sounder SetupSounder system setup menu Sounder system setup menu descriptionTVG Sounder system setup menu description con’tSensor setup menu Sensor setupSensor setup menu settings Settings Default SettingDefault ranges Sounder range setup menuSounding range, zoom range, bottom lock range RangeSounder function key options Sounder function key menuSounder function keys Change this settingThis page is intentionally left blank Save data menu Memory Card OperationsFormatting memory cards Saving data to a memory card Message Reason Remedy Memory card messagesMemory card messages Load data menu Playing back data from a memory cardUploading, Downloading Data Setting communication software on the PCUploading or downloading data Upload and download menusWaypoint data format Baud rate windowWaypoint data format Characters available for commentEnd of sentence Route data menuRoute comment data format Loading Waypoint Data from Yeoman Receive data menu Receiving Data Via Network EquipmentHost name window Marks & lines windowSelect sentence menu Outputting Data Through the NetworkCheck point Remedy Preventive MaintenanceMaintenance program Parts Name Type Code No Replacement of FuseReplacement of Battery If… Then… Simple TroubleshootingGeneral troubleshooting If… But… Then… Radar troubleshootingRadar Plotter Plotter troubleshootingSounder Sounder troubleshootingTest & memory clear menu DiagnosticsMemory I/O test Display unit test results ex. MODEL1722C series Display unit testGPS sensor test GPS receiver test resultsARP test Network sounder ETR-6/10N, ETR-30N testNetwork sounder test results Test patterns Test patternScreen for testing keyboard, remote controller Keyboard, remote controller testGPS status display GPS Status DisplayWindows for clearing memory Clearing MemoriesMemory clear menu Equipment status error messages Error MessagesAP-1 Menu OverviewMenu key Interval TIME, Distance AP-2AP-3 AP-4 Zoom Marker ON, OFF AP-5AP-6 System configurationAP-7 GPS Sensor SettingsDD MM. MMM AP-8Radar Simulation Data YES, no AP-9AP-10 AP-11 Alarm keyAP-12 Geodetic Chart ListAP-13 World Time ChartAP-14 IconsSpecifications of Marine Radar Transceiver Module Display Unit Plotter Function Environmental Condition This page is intentionally left blank Index-1 IndexIndex Index-2Interference rejection Index-3Index-4 Satellite disable GPS Receiver GP-310BIndex-5 Switching in route navigationPage