Furuno FR-1710 manual Display circuit test

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Select item with tenkey and adjust by VRM knob.

CRT ADJUSTMENT 1. ↑

2. H SIZE

3. H POSITION

4. V SIZE

5. V POSITION

6. PINCUSHION

7. BRIGHTNESS

Figure 3-3 Display circuit test

3-9

Image 64

Contents Marine Radar First Edition NOV Do not operate the equipment with wet hands Keep heater away from equipmentDo not disassemble or modify the equipment Do not open the equipmentUse the proper fuse Table of Contents SP-1 Declaration of Conformity FR-1760DSIntroduction FeaturesWord to the Owner of This Furuno Radar 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 Operational Overview Turning on the PowerTransmitter on Control Description Control descriptionCRT Brilliance Tuning the ReceiverControl Panel Backlighting 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 showsAutomatic speed input Entering Own Ship’s SpeedManual 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 AlarmPast plot points Target Trails Echo TrailsTrue or relative trails 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 EchoesNoise Rejector Time AlarmEnhanced Video Degaussing Interval Navigation DataClutter Sweep Video ContrastOutputting Target Position Background Color Selecting Range ScalesSelecting Bearing Scale Format Available color combinationsA/D curve settings 46 A/D Converter Curve SettingEnlarging Close-in Targets Alarms AlarmsAlarms con’t Peformance MonitorRadar resolution Radar ObservationGeneral Minimum and maximum rangesFalse Echoes Bearing accuracyRange measurement Multiple echoesVirtual image Sart Search and Rescue TransponderShadow sectors 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 troubleshootingServiceman qualification Advanced-level TroubleshootingService call Advanced-level troubleshooting Problem Check point Remedy Probable cause Advanced-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