Furuno FR-1710 MAINTENANCE, Troubleshooting, Periodic Maintenance Schedule, Maintenance schedule

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MAINTENANCE, TROUBLESHOOTING

WARNING

ELECTRICAL SHOCK HAZARD

Do not open the equipment.

Only qualified personnel should work inside the equipment.

Turn off the radar power switch before servicing the scanner unit. Post a warn- ing sign near the switch indicating it should not be turned on while the scanner unit is being serviced.

Prevent the potential risk of being struck by the rotating scanner and exposure to RF radiation hazard.

Wear a safety belt and hard hat when working on the scanner unit.

Serious injury or death can result if someone falls from the radar scanner mast.

3.1 Periodic Maintenance Schedule

Periodic checks and maintenance are important for proper operation of any electronic sys- tems. This chapter contains maintenance instructions to be followed to obtain optimum per- formance and the longest possible life of the equipment.

Table 3-1 Maintenance schedule

Interval

Check point

Check and measures

Remarks

 

 

 

 

 

 

Weekly

Display unit

Periodically clean the exterior of

A CRT screen produces static charge

 

 

 

display unit with a dry soft cloth.

which attracts dust. DO NOT use

 

 

 

Use of commercially available

strong solvents like paint thinner or

 

 

 

CRT cleaner (spray) having

abrasive cleaners for cleaning.

 

 

 

antistatic effect is recommended.

Dust and dirt on CRT creates

 

 

 

 

symptoms similar to poor sensitivity.

 

 

 

 

 

 

 

 

 

(Continued on next page)

3-1

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Contents Marine Radar First Edition NOV Do not operate the equipment with wet hands Keep heater away from equipmentUse the proper fuse Do not open the equipmentDo not disassemble or modify the equipment Table of Contents SP-1 Declaration of Conformity FR-1760DSWord to the Owner of This Furuno Radar FeaturesIntroduction System Configuration FR-1760DSFR-1710/1725 Antenna Unit Display UnitMenu Tree ViiiPlot Menu Mark Disp OFF Erase VEC REF REL True VEC Time Curs RNG INT REJ OFF Stretch Enhance Contrast Auto Xii Transmitter on Turning on the PowerOperational Overview Control Description Control descriptionControl Panel Backlighting Tuning the ReceiverCRT Brilliance Degaussing the Screen Initializing the Compass ReadoutOn-screen Legends and Markers On-screen legends and markersSelecting presentation mode Presentation ModesCourse-up Mode Selecting the Range Scale Screen showsManual speed input Entering Own Ship’s SpeedAutomatic speed input Pulselength, Echo Stretch 10 Echo stretchS1P Adjusting the Sensitivity Manual adjustment by the A/C SEA controlAutomatic adjustment by the A/C Auto control Suppressing Sea ClutterSuppressing Precipitation Clutter Interference RejectorMeasuring the Range Measuring BearingMeasuring range by the fixed range rings Measuring range by the variable range marker VRMCollision Assessment by the Offset EBL Measuring Range and Bearing Between Two TargetsSetting a Target Alarm Zone 18 Measuring range and bearing Between two targetsAcknowledging alarm Deactivating target alarm zoneInward and outward alarms Off-centering shiftEcho Averaging 23 Echo SIG menuElectronic Plotting Aid EPA Plotting a targetTrue or relative vector, vector time Target dataTerminating target plotting Reading the target dataSetting CPA/TCPA alarm ranges Silencing CPA/TCPA audible alarmLost target alarm CPA/TCPA AlarmTrue or relative trails Target Trails Echo TrailsPast plot points Trail gradation Selecting trail timeRestoring trails Displaying, erasing target trailsResetting target trails Trail brillianceThin trails Trail afterglowParallel Index Lines Origin MarkZoom MarkersPresetting the user keys Presetting the function keysUser Keys F1, F2, F3 Function KeysFunc key objectives 42 FUNC1 menuAdjusting Brilliance of Screen Data Suppressing Second-trace EchoesEnhanced Video Time AlarmNoise Rejector Degaussing Interval Navigation DataOutputting Target Position Video ContrastClutter Sweep Background Color Selecting Range ScalesSelecting Bearing Scale Format Available color combinationsEnlarging Close-in Targets 46 A/D Converter Curve SettingA/D curve settings Alarms AlarmsAlarms con’t Peformance MonitorRadar resolution Radar ObservationGeneral Minimum and maximum rangesFalse Echoes Bearing accuracyRange measurement Multiple echoesShadow sectors Sart Search and Rescue TransponderVirtual image Sart range errors Showing Sart marks on the radar displayGeneral remarks on receiving Sart Radar bandwidthRacon Radar Beacon Radar side lobesGain SEA controlMAINTENANCE, Troubleshooting Periodic Maintenance ScheduleMaintenance schedule On nextLife expectancy of major parts Maintenance schedule con’tLife Expectancy of Major Parts Fuse Replacement Simple Troubleshooting Replacement of BatteriesBattery replacement information Easy troubleshootingService call Advanced-level TroubleshootingServiceman qualification Advanced-level troubleshooting Problem Check point Remedy Probable causeAdvanced-level troubleshooting con’t Diagnostic Test Sequence for diagnostic testTest results screen Display circuit test Parts Location Left side viewDisplay unit, top view FR-1760DS Scanner Unit Scanner unit, left side viewFR-1760DS Scanner Unit con’t Scanner unit, right side view, RF section removedFR-1760DS Power Supply Unit FR-1760DS Power supply unitFR-1710/1725 Scanner Unit RF module Upper partModule Lower part Specifications of Marine Radar Radar Display Dimension and Mass Coating Color Index RaconIndex-2