Furuno FR-8051 manual Location of Parts, Antenna Unit

Page 55

Chapter 5

LOCATION OF PARTS

5.1 Antenna Unit

DANGER

This equipment uses high voltage electricity which can shock, burn or cause death.

Only qualified personnel should work inside the enclosures.

Reed switch

BEARING SIGNAL

GENERATOR Board

MP-3795

Antenna motor

24 rpm: D8G-516

36 rpm: D8G-570

N photo No. 639

Figure 5-1 Antenna unit (all models), cover opened

5 – 1

Image 55

Contents Marine Radar First Edition NOV Safety Information Do not diassemble or modify the equipment Iii Radio Frequency Radation HazardUse the correct fuse Table of Contents Maintenance Foreword Features Word to FR-8051/8111/8251 OwnersVii Configuration of FR-8051/8111/8251 Antenna Unit SpecificationsTransceiver Module Others Power Supply and Power ConsumptionDisplay Unit Environmental ConditionsName Type Qty Remarks Equipment ListsStandard Set XiiName Type Code No Remarks Optional EquipmentSpare Parts XiiiXiv Categorization by SpecificationFunction Type Control Description Operation25 NM Display IndicationsDisplay indications lower part Selecting Range Turning the Radar On/OffTransmitting, Stand-by Selecting presentation mode Presentation ModePresentation mode Description Representative display Description Presentation modeBasic menu operation Menu OverviewChanging pages on the Initial menu MK Erase erase all fixed marks Menu treeInitial Tune SET AUTO, Manu SPD Mode MAN, LOG, NAV Selecting tuning mode Tuning the ReceiverAdjusting Sensitivity Adjusting Picture BrillianceAutomatic anti-clutter control Adjusting Brilliance of Control Panel and MarkersAdjusting Range Ring Brilliance Suppressing Sea ClutterMeasuring range by the range rings Suppressing Rain ClutterHeading and North Markers Measuring the RangeMeasuring Bearing Collision Assessment by Measuring Range Offset EBL Canceling the cursor offsetOff-centering the Picture Index LinesInscribing Marks on the Display ZoomFunction key Turning on a function Own Ship SpeedAutomatic speed input Manual speed input Ship’s GraphicInterference Rejector Echo TrailsTrail reference Canceling echo trailStarting echo trail Trail timeTrail brilliance Electronic Plotting E-plotPlotting a target Vector time Canceling target plottingTarget data True or relative vectorActivating the guard zones Setting a Guard Alarm ZoneSetting a guard zone Selecting guard zone typeHow to turn on echo averaging Watch AlarmSilencing the aural alarm Canceling the guard zone and guard alarm26 Echo average Suppressing Second-Trace EchoesSelecting Pulselength Presetting pulselengthEcho Stretch Noise RejectionOutputting Cursor Position TLL data Waypoint DisplaySelecting pulselength set to use Selecting Unit of Range Measurement, Bearing Reference Alarm Output Signal On/OffSector Blanking Radar Observation Range ResolutionRadar Picture, Target Properties and Radar Pulse Multiple echoes Bearing ResolutionFalse Echoes Indirect echoesBlind and shadow sectors Minimum and Maximum RangesSide-lobe echoes Minimum rangeLocating a Ship or Survival Craft in Distress by Sart Gain When Working on the Antenna Unit MaintenancePart Type Life expectancy Remarks Interval Check point Check and measures RemarksSimple Troubleshooting TroubleshootingProblem Remedy Serviceman qualification Advanced-level TroubleshootingProblem Check point and probable Remedy Cause Problem Check point and probable Remedy Cause Problem Check point and probable Remedy Cause Diagnostic test, test pattern Diagnostic TestAntenna Unit Location of PartsModulator Trigger RF Transceiver UnitRF transceiver unit FR-8051/8111 Display unit, top view Display Unit common to all modelsDisplay unit, right side view Display Meaning Transmitter normal Receiver normal Performance MonitorOperating a performance monitor Transmitter Receiver PerformanceVideo Plotter RP-15 Auto Plotter ARP-15Fluxgate Heading Sensor C-2000 Page