Furuno FR-8051 manual Specifications, Antenna Unit, Transceiver Module

Page 11

SPECIFICATIONS

Antenna Unit

Type

 

 

 

Slotted waveguide array

 

 

 

 

 

 

 

 

 

 

Polarization

 

Horizontal

 

 

 

 

 

 

 

 

 

 

 

 

 

Length

 

 

 

4 ft(XN2)

6.5 ft(XN3)

6.5 ft (XN3A)

8 ft(XN4A)

Beamwidth

 

1.8 x 25°

1.2 x 25°

1.23 x 20°

0.9 x 20°

Rotation speed

 

24 rpm (36 rpm optional)

 

 

 

 

 

 

 

 

 

 

Transceiver Module

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Frequency

 

9410 MHz ± 30 MHz (X-band)

 

 

 

 

 

Peak output power

 

FR- 8051: 6 kW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FR- 8111: 10 kW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FR- 8251: 25 kW

 

 

 

 

 

 

 

 

 

 

Transmitting tube

 

FR- 8051: E3560, MG5232

 

 

 

 

 

 

 

 

 

 

 

 

FR- 8111: E3566 or MG5241

 

 

 

 

 

 

 

 

 

 

 

 

FR- 8251: 9M752 or M5187F

 

 

 

 

 

 

 

 

Pulselength (PL) & Pulse Repetition Rate (PRR)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Range (nautical miles)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PL

PRR

 

0.125

0.25

0.5

 

0.75

1.5

 

3

 

6

12

24

 

48

72

96

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SP

2100Hz

 

 

0.08 microseconds

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MP1

2100Hz

 

 

 

 

 

0.3 microseconds

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MP2

1200Hz

 

 

 

 

 

 

 

 

0.6 microseconds

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LP

600Hz*

 

 

 

 

 

 

 

 

 

 

 

1.2 microseconds

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

* 500 Hz on 72, 96 nm range

 

 

 

 

 

 

 

 

 

 

 

 

 

500 Hz when 2nd trace echo rejection is off (MP1, MP2, LP only)

 

 

 

 

 

Modulator

 

FR-8051/8111: FET switching method

 

 

 

 

 

 

 

 

 

FR-8251: Line Pulse

 

 

 

 

 

 

 

 

 

 

I/F amplifier

 

Logarithmic, IF 60 MHz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bandwidth: 25MHz (0.08 μs),

2.5 MHz (0.3 μs, 0.6 μs, 1.2 μs)

Tuning

 

 

 

Automatic or manual

 

 

 

 

 

 

 

 

 

 

Receiver front end

 

MIC (Microwave IC)

 

 

 

 

 

 

 

 

 

 

Duplexer

 

Circulator with diode limiter

 

 

 

 

 

 

 

 

x

Image 11
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 Vii Features Word to FR-8051/8111/8251 OwnersForeword Configuration of FR-8051/8111/8251 Transceiver Module SpecificationsAntenna Unit Others Power Supply and Power ConsumptionDisplay Unit Environmental ConditionsName Type Qty Remarks Equipment ListsStandard Set XiiName Type Code No Remarks Optional EquipmentSpare Parts XiiiFunction Type Categorization by SpecificationXiv Control Description Operation25 NM Display IndicationsDisplay indications lower part Transmitting, Stand-by Turning the Radar On/OffSelecting Range Presentation mode Description Representative display Presentation ModeSelecting presentation mode Description Presentation modeChanging pages on the Initial menu Menu OverviewBasic menu operation 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 LinesFunction key ZoomInscribing Marks on the Display Automatic speed input Own Ship SpeedTurning on a function Manual speed input Ship’s GraphicInterference Rejector Echo TrailsTrail reference Canceling echo trailStarting echo trail Trail timePlotting a target Electronic Plotting E-plotTrail brilliance 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 RejectionSelecting pulselength set to use Waypoint DisplayOutputting Cursor Position TLL data Sector Blanking Alarm Output Signal On/OffSelecting Unit of Range Measurement, Bearing Reference Radar Picture, Target Properties and Radar Pulse Range ResolutionRadar Observation 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 RemarksProblem Remedy TroubleshootingSimple Troubleshooting Problem Check point and probable Remedy Cause Advanced-level TroubleshootingServiceman qualification 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 PerformanceFluxgate Heading Sensor C-2000 Auto Plotter ARP-15Video Plotter RP-15 Page