Manuals / Furuno / Marine Equipment / Marine RADAR

Furuno 1752C, 1753C, 1742, 1733C, 1723C, 1762C, 1732, 1722 Radar troubleshooting, If… But… Then…

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

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7. MAINTENANCE, TROUBLESHOOTING

7.4.2Radar

Requires a network radar.

Radar troubleshooting

	If…	But…	Then…
	you pressed the	nothing appears on the display	! check that the signal cable between the
	[POWER/BRILL] key and		display unit and the antenna is firmly
	the RADAR TX soft key to		fastened.
	show the radar picture		! Check that radar source is correct.
	marks, legends appear	no echo appears	! check in the power cable. If it is blown,
			replace it.
	picture not updated or	—	! check signal cable.
	picture freezes	—	! turn the display unit off and on again.
	picture freezes		! turn the display unit off and on again.
	tuning is adjusted	sensitivity is poor	! Magnetron may need to be replaced.
			Contact your dealer.
	range changed	radar picture does not change	! try to hit the [+] and [-] keys again.
			! turn the display unit off and on again.
	poor discrimination in	—	! adjust A/C SEA.
	range	—	! Check heading and speed data for input.
	range		! Check heading and speed data for input.
	true motion presentation	—	! reselect true motion mode.
	not working properly	—
	not working properly
	range rings are not	—	! Hit the RADAR DISPLY and RINGS soft
	displayed	—	keys to display them.
	displayed		keys to display them.

7-4

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Furuno 1752C, 1753C, 1733C, 1723C, 1762C, 1722C, 1763C, 1732C, 1742C manual Radar troubleshooting, If… But… Then…

Contents

Marine Radar 00080918202 Safety Instructions Table of Contents Iii Plotter Operation Video Sounder Operation Customizing Your Unit Vii Data Transfer Foreword Viii Features NavNet system NavNet system Two-unit NavNet system Two-unit NavNet systemThree-or more unit NavNet system What is WAAS? Xii Operational Overview Overview of display unit controls Operating ControlsDisplay unit controls Control panel Soft keys Display unitPlotter display Enter knob Alphabet, symbol, numeric Enter knob Remote controller Center Inserting a Chart Card Chart card and card remover Turning the Unit On/Off Startup test Cursor Pad, Cursor Cursor, cursor data Display brilliance, panel brilliance Brilliance adjustment soft keysDisplay Brilliance, Panel Brilliance, Contrast, Hue Display brilliance and panel brilliance windows Hue MODEL1722C/1723C series Day Night Twilight Applicable modeContrast Contrast window Display screens Selecting a DisplayDisplay modes Screen type and available display screen Selecting a display Full-screen selection window overlay for color modelRadar combination screen selection window Switching control in combination and overlay screens 12 3nm Selecting radar source Select source menuRadar source and sounder source windows Rearranging data boxes Data BoxesShowing, hiding data boxes with soft key Temporarily erasing a data box Function Keys Executing a function Radar Simulation setup menuSimulation Display Internally generated echoes Antenna unit-generated echoes Plotter Sounder This page is intentionally left blank Radar Display Radar display Tuning window TuningAdjusting the Gain Transmitting, Stand-by Gain adjustment soft keys Gain sensitivity window Reducing Sea Clutter Adjusting A/C SEASEA setting window How the A/C SEA works Adjusting the A/C Rain Rain setting windowReducing Precipitation Clutter Adjusting the FTC FTC setting window Range Scale Range scales nm, smRange scales km Signal process soft keys Pulselength Presentation Mode Selecting a presentation modeRadar display soft keys Description of presentation modes Head-up presentation modeCourse-up presentation mode Head-up North-up North-up presentation modeTrue motion presentation mode True motion Measuring the Range Measuring range by range rings How to measure range and bearing to a target with the cursor Measuring range by cursor How to measure range with the VRM Measuring range by VRMEBL/VRM soft keys Measuring the Bearing How to measure bearing with the EBL Erasing an EBL, EBL indication Erasing the Heading Line, North Marker Reducing Noise Reducing Radar Interference Radar interference Zooming ARP, TTM targets ZoomZooming in on radar targets Zoom Shifting the Picture Manual shiftTarget no. selection window Automatic shift Setting automatic shift maximum speedAuto ship speed setting window Shifting the picture manually Using the Offset EBL Predicting a collision coursePredicting collision course with the offset EBL Measuring range & bearing between two targets Measuring range and bearing between two targets Sample echo trails Echo TrailsTrail time Trail soft keys Trail gradation MODEL1722C/1723C series Starting echo trailsTrail brilliance MODEL1722 series Multitone and monotone trails Trail color MODEL1722C/1723C series Trail color window Echo Stretch Types of echo stretch Echo Averaging Effect of echo averaging Outputting TLL Data Target soft keys Guard Alarm Setting a guard alarm zone When the alarm is violated… Canceling the guard alarm How watchman works Setting watchman stand-by intervalWatchman Turning on/off watchman Waypoint Marker Waypoint marker Usage precautions for ARP ARP option, TTM operation ARP setup menu Activating/deactivating ARP, TTMARP target info window Manual acquisition ARP plot symbolsAcquiring and tracking targets ARP only Automatic acquisition Displaying target number internal, external ARP Automatic acquisition areaARP target number Terminating tracking of selected targets Cancel all targets windowTerminating tracking of ARP targets Terminating tracking of all targets Setting vector attributes ARP What is a vector?Vector reference, vector time Displaying past position display ARP Past position displaysHistory interval window 25.7 ARP, TTM target data ARP target data 25.8 CPA/TCPA alarm ARP CPA window Tcpa window Lost target alarm ARPCanceling a lost target Lost target mark Interpreting the Radar Display GeneralMinimum and maximum ranges Range resolution Radar resolutionBearing resolution Bearing accuracy Multiple echoes False echoesMultiple echoes Sidelobe echoes Shadow sectors Virtual imageVirtual image Shadow sectors Appearance of Sart signal on the radar display Sart Search and Rescue Transponder General procedure for detecting Sart response General remarks on receiving Sart SEA control Appearance of racon signal on the radar displayRacon Radar Beacon Rain control Plotter Displays Full-screen plotter displayFull-screen plotter display Contents of nav data window Nav data window Compass display Compass display Reading the XTE cross-track error monitor XTE range setting window Highway display Highway display Nav data display Nav data displays Plotter display, north-up mode North-up Auto course-up Plotter display, auto course-up modeCourse-up Plotter display, course-up mode, destination set Chart Scale Charts scalesShifting the Display Chart Cards Chart card overviewChart icons and their meanings Indices and chart enlargement Sample chart Japan showing indicesWhen a chart cannot be displayed Furuno and NavCharts Chart symbolsData for aids to navigation Port service icons NavCharts only Plotter display, showing port service displayCurrent or tide data Objects window MAP cardsCursor and data display Example of caution area window Icon data Lighthouse iconObject windows Sample lighthouse data Tide information Port service icons Tide windowDate window Own ship track Working with TrackDisplaying track Track control menu Stopping, restarting plotting of own ship track Target trackTrack control menu MODEL1722C/1723C series Changing track color MODEL1722C/1723C series Own ship’s trackOwn ship track color window Plot window Track plotting method and interval for own ship trackTrack plotting method Track plotting interval Changing own ship track/mark distribution setting Memory track & mark window Erasing track Erasing own ship track by areaErase menu Erasing all own ship track Erasing own ship track by color color modelErase track by color window Erasing all target tracks Changing mark attributes Marks, LinesEntering a mark Mark shapes Selecting line type Mark shape window Erasing an individual mark Erasing marks, linesLine style window Erasing an individual line Erasing all marks, lines Entering a waypoint at own ship position WaypointsEntering waypoints Entering a waypoint with the cursor Waypoint mark shape selection window Waypoint mark color selection window Entering a waypoint by range and bearing Alphanumeric and local waypoint lists Editing waypoint dataEntering a waypoint from the waypoint list Editing waypoint data from the waypoint list Editing a waypoint from the plotter display Erasing waypoints Erasing a waypoint with the cursorErasing a waypoint from the waypoint list Changing waypoint mark size FURUNO, NavCharts Chart details menu Searching waypoints Alphanumeric list Entering a route with existing waypoints RoutesCreating routes Route menu Entering a route with the cursor Creating voyage-based routes Save route menuSave route window Displays for entry of time, distance interval For manual entry of waypoints, do the followingTo stop recording waypoints and save the route Connecting routes Connect route window Edit route menu Inserting waypointsInserting waypoint from the route list Waypoint list for editing a route local list Inserting a waypoint from the plotter display Inserting a waypoint in an intermediate location on a route Removing a waypoint from the route list Removing waypoints from a routeErasing routes Removing a waypoint from the plotter display Selecting quick point entry method NavigationNavigating to a quick point Goto method window Selecting waypoint from the plotter display Navigating to waypointsNavigating to multiple quick points Selecting waypoint from the waypoint list Navigating to ports, port services NavCharts/C-MAP Selecting an external waypointQP window Port services and sample port list Sample filling station locations southern Italy Plotter display, route selected as destination Following a routeSelecting the route to follow Navigating route waypoints in reverse order Example of when to restart navigation Restarting navigationLog display Setting speed for ETA calculation Switching waypointsSelect speed for ETA window Canceling route navigation Plotter alarm menu AlarmsAudio alarm on/off Audio alarm window Arrival alarm How the arrival alarm worksArrival alarm window Anchor watch alarm How the anchor watch alarm worksAnchor watch alarm window How the XTE alarm works XTE Cross Track Error alarmSpeed alarm XTE alarm window Proximity alarm Proximity alarm windowProximity mark Trip alarm Trip alarm window Alarm information Alarm menu Plotter alarm messages and their meanings Resetting Trip DistanceAlarm messages General setup menu, Entering the MOB Mark, Setting MOB as Destination MOB conceptMOB mark messages This page is intentionally left blank Principle of Operation Underwater conditions and video sounder display Display mode window Sounder DisplaysSelecting a sounder display Description of sounder displays Single frequency display HF picture Dual-frequency displayDual-frequency display LF picture Sounding area and transmission frequency Bottom-zoom display Marker-zoom displayMarker-zoom display plus normal sounder display Bottom-zoom display plus normal sounder display Bottom discrimination display Bottom-lock displayBottom-lock display plus normal sounder display Bottom discrimination display Selecting screen split method in combination displays Scope display display onlyScope display Automatic Sounder Operation How to enable automatic sounder operationAuto mode window How the automatic sounder works Manual Sounder Operation Selecting the manual modeAdjusting the gain Selecting display range Range shifting Gain windowShift concept How to use the VRM, time cursor Measuring Depth, Time Reducing Interference Types of interferenceNoise limiter window Reducing Low Level Noise Appearance of clutterClutter window Signal level window Erasing Weak EchoesAppearance of weak echoes White Marker MODEL1722C/1723C series White marker window Picture Advance Speed Advancement independent of ship’s speedPicture advance window How the speed-dependent picture advance mode works Advancement synchronized with ship’s speed Display Colors MODEL1722C/1723C series Hue no. and background and echo colors Sounder alarm menu Bottom alarm window Bottom alarmFish alarm Fish alarm window Fish alarm B/L Fish alarm B/L window Water temperature alarm Water temperature alarm window When an alarm setting is violated Fish Alarm Water Temperature Graph Sounder alarm messages and their meaningsChanging Pulse Repetition Rate Bottom echo Interpreting the Sounder DisplayZero line Zero line Fish school echoes Fish school echoesSurface noise/Aeration Surface noise/aeration General Setup General setup menu Contents of general menu Description Settings Default Setting Radar Setup Radar display setupRadar display setup menu Contents of radar setting menu On next Contents of radar setting menu con’t from previous Radar range setup Radar range setup menu Radar function key menu Function key setupDefault Function Function Key Label Radar function key options Radar function keys Menu Item Function Plotter Setup Display option menu Contents of display option menuNavigation options Default Function Plotter function key menuPlotter function key options Plotter function keys RUL Ruler Chart Setup Chart offsetPlotter display, chart offset selected FURUNO, Nav-Chartschart attributes Chart details menu FURUNO, Nav-Charts Contents of chart details menu FURUNO, NavCharts Description Settings Contour line menu FURUNO, Nav-Charts Cntour Line soft key MAP chart attributes Chart details menu C-map Contents of chart details menu C-map Contents of C-MAP chart details menu from previous Settings description Depth Info soft key Depth info menu C-map Data Boxes Setup Data box menu Hot Page Setup Hot page setup menuFull-screen selection window Ovrly for color model only Combination screen selection window Description Settings Default Navigator SetupContents of nav setup menu Navigation data source GPS receiver setup Set equipped with GP-310B/320B GPS sensor setup menu Contents of GPS setup menu Contents of GPS sensor setup menu con’t from previous GPS Status Waas Setup Contents of Waas Setup menu Displaying Loran C TDs TD display setupTD setup menu Loran GRI & station pair window Displaying Decca TDs Decca chain and station pair window Nav Data Display Setup Nav data setup screenNav data setup window Sounder system setup menu Sounder SetupSystem setup Sounder system setup menu description Sounder system setup menu description con’t TVG Sensor setup menu settings Sensor setupSensor setup menu Settings Default Setting Sounding range, zoom range, bottom lock range Sounder range setup menuDefault ranges Range Sounder function key menu Sounder function key options Change this setting Sounder function keys This page is intentionally left blank Memory Card Operations Formatting memory cardsSave data menu Saving data to a memory card Memory card messages Memory card messagesMessage Reason Remedy Playing back data from a memory card Load data menu Uploading or downloading data Setting communication software on the PCUploading, Downloading Data Upload and download menus Waypoint data format Baud rate windowWaypoint data format Characters available for comment Route data menu Route comment data formatEnd of sentence Loading Waypoint Data from Yeoman Host name window Receiving Data Via Network EquipmentReceive data menu Marks & lines window Outputting Data Through the Network Select sentence menu Preventive Maintenance Maintenance programCheck point Remedy Replacement of Fuse Replacement of BatteryParts Name Type Code No Simple Troubleshooting General troubleshootingIf… Then… Radar troubleshooting RadarIf… But… Then… Plotter troubleshooting Plotter Sounder troubleshooting Sounder Diagnostics Memory I/O testTest & memory clear menu GPS sensor test Display unit testDisplay unit test results ex. MODEL1722C series GPS receiver test results Network sounder ETR-6/10N, ETR-30N test Network sounder test resultsARP test Test pattern Test patterns Keyboard, remote controller test Screen for testing keyboard, remote controller GPS Status Display GPS status display Clearing Memories Memory clear menuWindows for clearing memory Error Messages Equipment status error messages Menu Overview Menu keyAP-1 AP-2 Interval TIME, Distance AP-3 AP-4 AP-5 Zoom Marker ON, OFF System configuration AP-6 GPS Sensor Settings AP-7 AP-8 DD MM. MMM AP-9 Radar Simulation Data YES, no AP-10 Alarm key AP-11 Geodetic Chart List AP-12 World Time Chart AP-13 Icons AP-14 Specifications of Marine Radar Transceiver Module Display Unit Plotter Function Environmental Condition This page is intentionally left blank Index Index-1 Index-2 Index Index-3 Interference rejection Satellite disable GPS Receiver GP-310B Index-4 Switching in route navigation Index-5Page