Furuno FR-1525 MARK-3 User manual

MARINE RADAR

MODEL FR-1505 MARK-3 Series

FR-1505/1510/1525 MARK-3

(Including Automatic Tracking Aid ARP-10/17 and

Video Plotter RP-17)

C

9-52, Ashihara-cho,

Nishinomiya, Japan

Telephone: 0798-65-2111

Telefax: 0798-65-4200

Your Local Agent/Dealer

All ri

g

hts reserved.

PUB. No. SME-34500-B

FR-1500 MARK-3 SERIES

(KAOK)

FIRST EDITION : JAN. 1999

B : FEB. 1, 2000

Printed in Japan

1-1

1.1 Outline

The antenna unit uses a Log IF amplifier. The scanner unit is the same as that of FR-2115

(12KW) and FR-2125 (25kW). The difference between 6 kW and 12 kW sets is the use of

different type of the magnetron, and different setting of magnetron current.

The features are;

6 pulselengths enabling echo size on the screen to be similar in all ranges.

Flash ROM enabling program update to use a PC.

Non-interlace, high-resolution display (1024 768 dots).

Improved short-range performance using shorter pulselength and higher repetition rate than

before.

The table below shows the major specifications of each model.

Functions FR-1505 MARK-3 FR-1510 MARK-3 FR-1525 MARK-3

Maximum Range 48 NM 72 NM 96 NM

Program Number 0359152102

Tuning Voltage

(displayed at manual tuning) 4.9 V to 32 V

RF Module RTR-067 RTR-062 RTR-063

Antenna Rotation Approx 24 rpm or Approx 42 rpm

Output Power 6 kW 12 kW 25 kW

TX-HV Board HV-9017 A HV-9017 B

Input Voltage (Ship’s Mains)

12 VDC : 10.8 to 15.6 V

24/32 VDC : 21.6 to 41.6 V

100 VAC : 90 to 126 V

200 VAC : 198 to 253 V

24/32 VDC : 21.6 to 41.6 V

100 VAC : 90 to 126 V

200 VAC : 198 to 253 V

Chapter 1. GENERAL

1-2

1.2 Boards & Major Components

DISPLAY UNIT

Board Name FR-1505 MARK-3 FR-1510 MARK-3 FR-1525 MARK-3

SPU Board 03P9230

PWR Board DC : 03P9223 C/D, AC : 03P9228 C/D

FILTER Board DC : 03P9224, AC : LF-205A

TX-HV Board HV-9017A HV-9017B

MAIN PANEL Board 03P9226

KEY PANEL Board 03P9227

ARPA Board (Option : ARP-10/ARP-17) 18P9004 (ARP-17), 18P9007 (ARP-10)

RP Board (Option : RP-17) 03P9259

Gyro Board 64P1106 A

PM Board (Option : PM-30/50) 03P9225

CRT Unit QA1510

SCANNER UNIT

Board Name FR-1505 MARK-3 FR-1510 MARK-3 FR-1525 MARK-3

MODULATOR Board 03P9244 D 03P9244 A 03P9244 B

RFC Board 03P9243 A 03P9243 B

IF AMP Board 03P9232

INTERFACE Board 03P9242

Limitter RU-9099

MIC RU-9253/RU-9371*

Magnetron MG5389/E3560 MG5241 MG5436

Circulator RC-3686

Scanner Motor D8G-516 (24 rpm)/D8G-571 (42 rpm)

Signal Cable RW-6895/RW-4873

* : No difference between two types in performance and electrical characteristics.

1-3

1.3 Specifications

SCANNER UNIT

ITEM FR-1505 MARK-3 FR-1510 MARK-3 FR-1525 MARK-3

Radiator Type Slotted Waveguide Array

Radiator Length 120 cm (XN12AF),

200 cm (XN20AF) 120 cm (XN12AF), 200 cm (XN20AF),

240 cm (XN24AF)

Horizontal Beamwidth 1.92 deg. (XN12AF),

1.24 deg. (XN20AF) 1.92 deg. (XN12AF), 1.24 deg. (XN20AF),

0.96 deg. (XN24AF)

Vertical Beamwidth 19.5 deg. (XN12AF),

20 deg. (XN20AF) 19.5 deg. (XN12AF), 20 deg. (XN20AF),

21 deg. (XN24AF)

Within +10 deg. to

–10 deg. of mainlobe –28 dB or less

(XN12AF/XN20AF) –28 dB or less

(XN12AF/XN20AF/XN24AF))

Sidelobe

Attenuation Outside +10 deg. to

–10 deg. of mainlobe –32 dB or less

(XN12AF/XN20AF) –32 dB or less

(XN12AF/XN20AF/XN24AF)

Polarization Horizontal

Antenna Rotation approx. 24 rpm/approx. 42 rpm

Scanner Housing Structure Open Radiator

Standard 1.65 m

Compass Safe Distance Steering 1.25 m

TRANSCEIVER

ITEM FR-1505 MARK-3 FR-1510 MARK-3 FR-1525 MARK-3

Magnetron MG5389/E3560 MG5241 MG5436

Frequency &

Modulation 9380 MHz to 9440 MHz, P0N (X band)

Peak Output Power 6 kW 12 kW 25 kW

0.07 µs, approx. 3000 Hz (S1 : 0.125 nm to 1.5 nm)

0.15 µs, approx. 3000 Hz (S2 : 0.5 nm to 3 nm)

0.3 µs, approx. 1500 Hz (M1 : 0.75 nm to 6 nm)

0.5 µs, approx. 1000 Hz (M2 : 3 nm to 24 nm)

0.7 µs, approx. 1000 Hz (M3 : 3 nm to 24 nm)

Pulselength & Pulse

Repetition Rate 1.2 µs,

approx. 600 Hz

(L : 12 nm to 32 nm)

approx. 500 Hz

(L : 48 nm)

1.2 µs,

approx. 600 Hz

(L : 12 nm to 48 nm)

approx. 500 Hz

(L : 72 nm)

1.2 µs,

approx. 600 Hz

(L : 12 nm to 48 nm)

approx. 500 Hz

(L : 120 nm)

Modulator FET Switch

Duplexer Circulator with diode limiter

Tuning Automatic or Manual

Intermediate

Frequency 60 MHz

Bandwidth 25 MHz (0.07 µs, 0.15 µs, 0.3 µs),

3 MHz (0.5 µ, 0.7 µ, 1.2 µ)

1-4

DISPLAY

ITEM FR-1505 MARK-3 FR-1510 MARK-3 FR-1525 MARK-3

Picture Tube PPI (Raster scan, Daylight display)

FR-1505 M3 : 48 nm, FR-1510 K3 : 72 nm, FR-1525 M3 : 96 nm

Range Scale (nm) 0.125 0.25 0.5 0.75 1 1.5 2 3 4 6 8 12 16 24 32 48 72 96

Range Ring lnterval 0.0250.050.10.250.20.50.250.51122448 8 12 16

Number of Rings 5 5 5 3 5 6 4 6 4646464 6 6 6

Bearing Resolution 1.92 deg. (XN12AF), 1.24 deg. (XN20AF), 0.96 deg. (XN24AF)

Range Discrimination Better than 20 m

Bearing Accuracy +1 deg to –1 deg.

Minimum Range Better than 25 m (0.25 nm range)

Range Ring Accuracy

VRM Accuracy 1 deg. or 10 m, whichever is the greater

Input/Output Terminal

NMEA (two input, J202/J203) : NMEA 0183 Ver 1.5/2.0

NMEA (output, J202) : NMEA 0183 ($RATLL, $RARSD, $RATTM: ARP-10

required)

NMEA (input, J208) : NMEA 0183 (HDT/HDG/HDM/VHW)

ARPA data (output, 18P9004/J2) : Hardware (RS-422),

Software (NMEA 0183 : $RATTM : ARP-17 required)

RS-232C (input/output, MAIN PANEL J305) : System program updating

Gyro port (input, J206) : AD-10

Speed Log data (input, J210) : Contact-closure signal

Alarm output (J211) : +12 V buzzer drive signal

Remote Display port (output, J204) : TRU-HD, BP, TRU-TRIG, VIDEO

Remote Display port (input, J205) : TRU-HD, BP, TRU-TRIG, VIDEO

Monitor port (J449) : For PC monitor, Buffer PCB required

NAV Data

NMEA 0183 Format

Own ship’s position : GGA>RMA>RMC>GLL (GLL of Ver 1.5)

Speed : RMA>RMC>VTG>VHW

Heading (True) : HDT>HDG>HDM>VHW

Heading (Magnetic) : HDM>HDG>HDT>VHW

Course (True) : RMA>RMC>VTG

Course (Magnetic) : VTG>RMA>RMC

Waypoint (Range/Bearing) : RMB>BWC>BWR

Time : ZDA

Loran time difference : RMA>GLC>GTD

Water depth : DPT>DBT>DBK>DBS

Water temperature : MTW>MDA

Standard 1.4 m

Compass

safe

Distance Steering 1.05 m

1-5

ENVIRONMENTAL CONDITIONS

ITEM FR-1505 MARK-3 FR-1510 MARK-3 FR-1525 MARK-3

Scanner Unit 25 deg. to +70 deg.

Ambient

Temperature Display Unit 15 deg. to +55 deg.

Humidity Relative humidity 95% or less at +40 deg.

Vibration IEC 945, Edition 3

POWER SUPPLY & POWER CONSUMPTION

ITEM FR-1505 MARK-3 FR-1510 MARK-3 FR-1525 MARK-3

AC Power Supply 110 VAC : 90 to 126 V

220 VAC : 198 to 253 V

DC Power Supply 12 VDC : 10.8 V to 15.6 V

24/32 VDC : 21.6 V to 41.6 V 24/32 VDC : 21.6 V to

41.6 V

DC Power

(12 V) 24 rpm : 15.4 A (no wind)

19.6 A (100 knots) 24 rpm : 17.5 A (no wind)

22.0 A (100 knots)

24 rpm : 7.1 A (no wind)

9.2 A (100 knots) 24 rpm : 8.3 A (no wind)

10.2 A (100 knots) 24 rpm : 9.2 A (no wind)

11.0 A (100 knots)

DC Power

(24 V) 42 rpm : 7.5 A (no wind)

10.4 A (100 knots) 42 rpm : 8.8 A (no wind)

11.5 A (100 knots) 42 rpm : 9.6 A (no wind)

12.3 A (100 knots)

24 rpm : 5.3 A (no wind)

6.9 A (100 knots) 24 rpm : 6.3 A (no wind)

7.7 A (100 knots) 24 rpm : 6.9 A (no wind)

7.8 A (100 knots)

DC Power

(32 V) 42 rpm : 5.6 A (no wind)

7.8 A (100 knots) 42 rpm : 6.6 A (no wind)

8.6 A (100 knots) 42 rpm : 7.2 A (no wind)

9.2 A (100 knots)

24 rpm :

approx. 270 VA (no wind)

approx. 345 VA

(100 knots)

24 rpm :

approx. 310 VA (no wind)

approx. 385 VA

(100 knots)

24 rpm :

approx. 340 VA (no wind)

approx. 415 VA

(100 knots)

Power

Consumption

AC Power

(AC100-

115/200-

230) 42 rpm :

approx. 285 VA (no wind)

approx. 390 VA

(100 knots)

42 rpm :

approx. 325 VA (no wind)

approx. 435 VA

(100 knots)

42 rpm :

approx. 355 VA (no wind)

approx. 465 VA

(100 knots)

2-1

2.1 Overview

Outline

Figure 2.1 Simplified block diagram

TX

The trigger pulse from the SPU (Processor) Board is delivered to the MODULATOR Board

which outputs the signal to oscillate the magnetron, and then radar wave is emitted from the

radiator.

RX

The 9.4 GHz echo signal received by the antenna is converted to 60 MHz signal by the MIC,

amplified by IF Amplifier, and fed to the SPU (Processor) Board as a video signal. It is digitally

processed and then displayed on the CRT. The SPU Board contains a video amplifier.

Auto Plotter (optional)

The following signals are applied from the SPU board to the ARP-10/17 Board: Heading,

Bearing pulse, Video, Trigger, Bearing in AD format, and Ship’s speed (contact closure or

NMEA 0183). Target acquision and tracking are performed on the ARP Board. Target data,

target position, CPA, TCPA, Speed, and Course, are displayed on the screen.

Plotter (optional)

Data such as latitude and longitude in NMEA format is delivered from the SPU Board to the RP

Board. Plotter data generated on the RP Board is output to the SPU Board and processed to

display them on the screen. The plotter menu is generated on the SPU Board.

Chapter 2. BLOCK DESCRIPTION

2-2

2-3

Function of Each Board (Display Unit)

Board Name Function

SPU Board

03P9230

1) Contains a video amplitier circuit.

(a) Applies GAIN, STC, FTC and IR to video signal and outputs to the A/D

converter.

(b) Adjusts video signal input level (EEPOT).

(c) Changes STC curve according to the antenna height set on the Radar menu.

(d) Echo Stretching 1.

2) Performs A/D conversion of video signal. (16 gradation)

3) Echo averaging. (EAV 1/2/3)

4) Constructs radar picture from HD, BP, TRIG, and VIDEO signals.

5) Controls keyboard.

6) Mixes data being fed from ARP and RP boards to display them on the screen.

7) Displays navigation data being fed from a navigator.

8) Reads and displays trackball, EBL, and VRM data.

9) Controls tuning circuit.

10) Outputs Tx trigger and pulselength signals to antenna unit.

11) Backs up menu settings, tune voltage, and tune Ind. voltage, with the EEPROM.

12) Echo Stretching 2/3.

13) Generates menus.

14) Echo trailling.

15) Checks for the presence of ARP and RP boards at power-up.

16) Outputs HD, BP, TRIG and VIDEO signals for radar slave display. (J204)

17) Receives HD, BP, TRIG and VIDEO signals from other radar. (J205)

18) Outputs ARPA data to the external equipment. (ARP-10:NMEA 0183, TTM,

J202)

19) Outputs external buzzer signal. (J211)

20) Outputs V-SYNC, H-SYNC, R, G, B to a PC monitor or hard copier. Abuffer

circuit required. (03P9229)

21) Inputs speed log signal, contact-closure. (J210)

22) TWO NMEA input ports. (J202, J203)

23) ONE NMEA output port. (J202)

ARP Board

18P9004/

18P9007

1) Converts GAIN-, STC-, FTC-, and I/R-processed video signal to quantized video

(QV) and sends back to the SPU Board.

2) Performs automatic and manual target acquisition and tracking.

3) Detects and displays HD, BP, TRIG, VIDEO, LOG and GYRO signal errors.

4) Outputs ARPA data to the external equipment. (ARP-17: NMEA 0183, TTM,

18P9004, J2, XH-5P)

5) Calculates CPA and TCPA.

6) Detects land echo.

7) Outputs ARPA data to the SPU Board : Target No., R/B, CPA, TCPA, etc.

8) Processes trial maneuver.

RP Board

03P9259

1) Generates data (grid, own ship mark, marks, and ship's tracks, etc.) for the

plotter display.

2) Backs up data such as ship's tracks and marks.

3) Reads and displays digitized charts.

4) Outputs plotter display data to the SPU Board.

5) Inputs/outputs data (track, marks etc.) from/to the RAM card.

6) RP program stored onto the flash ROM is updated with a PC.

2-4

Board Name Function

MAIN PNL

Board

03P9220

1) Outputs encoded data of EBL, VRM and trackball signals.

2) Includes GAIN, STC, FTC, and BRIL volumes.

3) Reads EBL ON/OFF, VRM ON/OFF, FUNC 1/2/3/4, and Range +/- key data.

4) Reads PAL/PAR board status.

KEY PNL Board

03P9227 1) Includes key switches.

TX-HV Board

HV-9017 1) Supplies Tx high voltage to the antenna unit.

2) Contains overcurrent protector.

GYRO

CONVERTER

Board

64P1106

1) Converts gyrocompass signal into AD format signal.

2) Outputs Max. 6 AD format signal (25 ms or 200 ms jumper selection, select 25

ms for radar.).

PTU Board (AC)

03P9228

1) Outputs -12V, +12V, +115V (for CRT), +5V and +32V (for tuning cont.), and

motor drive voltage.

2) Outputs Power Fail (PF) signal to the RP Board.

3) Contains overcurrent protector for -12V,+12V, and +115V.

4) Contains abnormal input voltage detector.

110 VAC : Low voltage, 60 to 80 VAC; high voltage, 133 to 150 VAC

220 VAC : Low voltage, 130 to 180 VAC; high voltage, 266 to 294 VAC

PTU Board (DC)

03P9223

1) Similar to the AC board.

2) Abnormal voltage detector Low voltage;

24/32 VDC sets: 19.0 VDC or less High voltage, 41.7 VDC or more

12 VDC sets: 9.0 VDC or less High voltage, 18.0 VDC or more

Color Monitor

Assy.

QA1510 1) Daylight-bright raoterscan 15-inch high-resolution display.

PM Board

03P9255

optional 1) Power supply circuit for the performance monitor.

2-5

Start-up Sequence

Radar start-up sequence

Process

1. The soft start circuit activates to protect the power ON/OFF

relay contacts.

2. The input voltage monitor checks for abnormal voltage.

When ship’s mains is abnormal the ON/OFF relay trips off.

3. The inverter comes on and output all line voltages. The

LED comes on and the inverter goes off when overcurrent

is detected.

4. ROM, RAM, I/O port, custom IC, AGDC and VRAM are

initialized.

5. The system is initialized using EEPROM and DIP switch

data.

6. The timer starts counting down from 3 minutes (time

remaining for warm-up of magnetron).

7. Checks for the absence/presence of a gyro signal.

8. Checks for the absence/presence of the ARP and RP

Boards.

9. The SPU Board starts operating.

Note) When H-sync signal is not applied to the CRT unit,

no HV is generated, resulting in nothing on the screen.

10. The bearing scale, countdown indication, etc. appear.

11. EEPOT memorizes the preset value.

12. The screen is degaussed automatically.

3-minute warm-up can be skipped by pressing [ENTER]

several times while pressing and holding down [HL OFF].

(Do not release this information to user.)

13. Three-minute warm-up ends.

14. The radar goes into stand-by.

15. Checks for presence of BP (Bearing Pulse) signal.

16. The tuning circuit goes into “short search mode.”

17. When the range is changed, the tuning circuit goes into

“short search mode.”

18. Panel settings are written onto the EPROM.

19. Time data are written onto the EPROM.

2-6

ARPA start-up sequence

Figure 2.3 ARPA Start-up sequence

2-8

Video Signal Flow

The video signal from the RF Unit is applied to J2 of the SPU Board.

The video level is adjusted through the menu so that the main bang level is about 2.2Vpp at the output of EEPOT, U92, #5.

The video signal from an external rader can be connected to J458.

The video level adjustment for the external rader must also be made through the menu.

The ARP video which inputs to the ARP Board is GAIN-, STC-, and A/C SEA adjusted.

2-10

Auto Tuning Function

The system provides auto tuning mode which eliminates the adjustment of the receiver for

maximum echoes. The “Tune Initialization” is required after not only the installation but also the

replacement of RF unit, magnetron, MIC, and SPU board, so that the tune control voltages for

each pulse are memorized onto the EEPROM. The figure below illustrates how the tune

initialization takes place. First, full search is performed using a long pulse to find the tuning

point (a). Next, short search is performed using all pulses to find tuning points (b). After the

initialization, the pulselength used before the tune initialization is selected.

Full search: Varying tune control voltage (TUNE CONT) from about 5 V to 32 V, the

maximum tune indicator voltage is found and that tune control voltage (a) is

memorized.

Short search:The tune control voltage changes between the tune voltage (a) plus and minus

2.5 V for fine tuning.

When the radar is set from ST-BY to TX, short search is made twice. When pulselength is

changed, short search is made once.

Figure 2.6 Tune Initialization

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