Page 2 - F I R S T E D I T I O N
C 9 - 5 2 , A s h i h a r a - c h o , N i s h i n o m i y a , J a p a n Te l e p h o n e : 0 7 9 8 - 6 5 - 2 1 1 1 Te l e f a x : 0 7 9 8 - 6 5 - 4 2 0 0 Y o u r L o c a l A g e n t / D e a l e r A l l r i g h t s r e s e r v e d . P U B . N o . O M E - 3 4 5 3 0 F R - 1 7 0 0 S E R I E S ( Y O S H ...
Page 3 - SAFETY INSTRUCTIONS; WARNING; exist are given in the; DANGER; Electrical shock can result.; Keep heater away from equipment.
i SAFETY INSTRUCTIONS WARNING Radio Frequency RadiationHazard The radar scanner emits electromagneticradio frequency (RF) energy which can beharmful, particularly to your eyes. Neverlook directly into the scanner aperture froma close distance while the radar is in oper-ation or expose yourself to th...
Page 4 - ii; ELECTRICAL SHOCK HAZARD; Do not open the equipment.
ii WARNING WARNING ELECTRICAL SHOCK HAZARD Do not open the equipment. Only qualified personnelshould work inside theequipment. Turn off the radar powerswitch before servicing the scanner unit. Post a warn-ing sign near the switchindicating it should not beturned on while the scannerunit is being ser...
Page 5 - iii; TABLE OF CONTENTS; OPERATIONAL OVERVIEW
iii TABLE OF CONTENTS INTRODUCTION ................................................................................. vSYSTEM CONFIGURATION ............................................................. vi|MENU TREE .................................................................................... v...
Page 6 - iv; RADAR OBSERVATION
iv 1.41 Clutter Sweep ........................................................................................................... 1-321.42 Outputting Target Position ........................................................................................ 1-321.43 Background Color ......................
Page 7 - INTRODUCTION; A Word to the Owner of This FURUNO Radar
v INTRODUCTION A Word to the Owner of This FURUNO Radar Thank you for purchasing this FURUNO radar. We are confident you will discover why FURUNOhas become synonymous with quality and reliability. Dedicated in the design and manufacture of marine electronics equipment for half a century,FURUNO Elect...
Page 8 - SYSTEM CONFIGURATION; DISPLAY UNIT; Speed Log; ANTENNA UNIT; POWER
vi SYSTEM CONFIGURATION FR-1760DS DISPLAY UNIT RDP-120 ATA Board ARP-17 GPS, etc. Serial Data (I/O) Pulse Input Speed Log Gyrocompass Gyro Converter GC-8A Option Ship’s Mains24/32 VDC Rectifier RU-3424 External Buzzer OP03-21 100/110/115/220/230 VAC,1 φ , 50/60 Hz Remote Display FMD-8010/FMD-811 ANT...
Page 9 - vii
vii FR-1710/1725 Ship’s Mains24/32 VDCor100/110/115/220/230 VAC, 1 φ , 50/60 Hz ANTENNA UNIT *: FR-1725 only FR-1710 XN12AF-RSB0074-062 (24 rpm)XN20AF-RSB0074-062 (24 rpm)XN12AF-RSB0075-062 (42 rpm)XN20AF-RSB0075-062 (42 rpm) FR-1725 XN20AF-RSB0074-063 (24 rpm)XN24AF-RSB0074-063 (24 rpm)XN20AF-RSB00...
Page 10 - viii; MENU TREE
viii MENU TREE TGT TRAIL 1. TIME 15S 30S 1M 3M 6M 15M 30M CONT 2. MODE REL TRUE 3. SHADE MONO MULTI 4. LEVEL 1 2 3 5. TRAIL COPY OFF ON 6. THIN TRAIL OFF ON 7. THIN MODE 1 2 3 4 ECHO SIG 1. TGT COLOR YEL GRN COLOR* 2. ECHO AVG OFF 0.5 1 2 3 3. INT REJ OFF 1 2 3 4. N REJ OFF ON 5. ENHANCE OFF ON 6. 2...
Page 11 - ix
ix 1. MARK DISP OFF ON 2. ERASE 3. VEC REF REL TRUE 4. VEC TIME 30S 1M 3M 6M 15M 30M 5. CPA SET OFF 0.5NM 1NM 1.5NM 2NM 3NM 4NM 5NM 6NM 6. TCPA SET 30S 1M 2M 3M 4M 5M 6M 12M 15M 7. TRACK OFF ON 8. AUDIO ALARM OFF ON 9. INTVAL* 30S 1M 2M 3M 6M 0. ↓ * MARK 1. ERASE 2. MODE REL TRUE * Requires Video Pl...
Page 13 - xi
xi FUNC 1 MENU 1. ↑ 2. FUNC SEL COAST OCEAN R-SEA RAIN BIRD-N BIRD-F 3. ECHO AVG OFF 0.5 1 2 3 4. INT REJ OFF 1 2 3 5. STRETCH OFF 1 2 6. N REJ OFF ON 7. ENHANCE OFF ON 8. CONTRAST OFF 1 2 3 9. A/C AUTO OFF ON 5 [F • 2 MENU] 1. TRAIL TIME 26. HUTB MODE 2. TRAIL MODE 27. TUNE A/M 3. TRAIL SHADE 28. E...
Page 14 - xii
xii DEGAUSS 1. ↑ 2. DEGS INTV OFF 30S 1M 2M 3. DEGS DEG OFF 45 ° 90 ° 135 ° TIME ALARM 1. ↑ 2. ALARM INTV OFF 3M 6M 12M 15M 20M RANGE 1. ↑ 2. RANGE 1/8 1/4 1/2 3/4 1 1.5 2 3 4 6 8 12 16 24 32 48 72 96 120 OTHER 1. ↑ 2. TEST 3. DEGAUSS 4. TIME ALARM 5. RANGE 6. INSTALL* 7 FR-1760DS Max. range: 120 NM...
Page 15 - Turning on the Power; Figure 1-1 Location of power switch; Video Lockup Recovery
1-1 1.1 Turning on the Power The [POWER] switch is located at the topleft corner of the display unit. Push it to switchon the radar set. To turn off the radar, push itagain. The screen shows the bearing scaleand digital timer approximately 15 secondsafter power-on. The timer counts down threeminutes...
Page 16 - Control Description; Figure 1-2 Control description
1-2 1.3 Control Description MODE TGT TRAIL GZ ALARM SHIFT ZOOM INDEX LINE EBL OFFSET MARK RINGS PREV MENU MENU ENTER SELECT CANCEL CLEAR 4 2 3 5 6 1 7 8 9 0 F1 F2 F3 ON OFF HL OFF (PUSH) GAIN A/C AUTO (PUSH) A/C SEA TLL (PUSH) A/C RAIN BRILL BKGND COLOR (PUSH) DEGAUSS (PUSH) EBL RANGE TX STBY ON OFF...
Page 17 - Control Panel Backlighting; Tuning the Receiver; Automatic tuning
1-3 1.4 CRT Brilliance Operate the BRILL control on the controlpanel of the display unit to adjust the entirescreen brightness. Note that the optimumpoint of adjustment varies with ambient light-ing conditions, especially between daytimeand nighttime. 1.5 Control Panel Backlighting 1. Press the [MEN...
Page 18 - AUTO or MAN from the MODE field.; Degaussing the Screen; Figure 1-7 OTHER menu
1-4 3. Press the [7] key twice to display the TUNE menu. TUNE 1. ↑ 2. MODE AUTO MAN 3. TUNE SET Figure 1-6 TUNE menu 4. Press the [2] key to select the option AUTO or MAN from the MODE field. 5. Press the [ENTER/SELECT] key. 6. Press the [MENU] key to close the menu. 1.7 Degaussing the Screen Each t...
Page 20 - Presentation Modes; Selecting presentation mode; Loss of Compass Signal; Description
1-6 1.10 Presentation Modes This radar has the following presentationmodes: Head-up, Head-up/TB, Course-up,North-up, and True Motion. Selecting presentation mode Press the [MODE] key on the panel at theright side of the display unit. Each time the[MODE] key is pressed, the presentationmode and mode ...
Page 22 - Automatic resetting of own ship position in true motion mode; Selecting the Range Scale; The range selected automatically determines
1-8 Description True Motion Mode 000 010 020 030 040 050 060 070 080 090 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330 340 350 Northmarker Presentation mode,representative display Own ship and other moving objects move in accord-ance with their true ...
Page 23 - Automatic speed input; Figure 1-9 OTHER menu; Manual speed input; twice to show the OTHER menu.; LOG or NAV speed indication; About Ship’s Speed
1-9 1.12 Entering Own Ship’s Speed EPA requires an own ship speed input andcompass signal. The speed can be enteredfrom a speed log or navaid (automatic) orthrough the plotting keypad (manual). Automatic speed input 1. Press the [MENU] key and the [0] key twice to show the OTHER menu. OTHER 1. HDG S...
Page 24 - Figure 1-10 Echo stretch
1-10 1.13 Pulselength, Echo Stretch The ECHO control selects pulselength, andecho stretch when it is not turned on with auser key ([F1], [F2], [F3]). The pulselength inuse is displayed at the upper-left position ofthe screen using the abbreviations (suffixedwith “P”) shown in the table on the next p...
Page 26 - Confirm that the sensitivity is properly; CAUTION
1-12 1.14 Adjusting the Sensitivity The GAIN control adjusts the sensitivity ofthe receiver. It works in precisely the samemanner as the volume control of a broadcastreceiver, amplifying the signals received. The proper setting is such that the back-ground noise is just visible on the screen. Ifyou ...
Page 27 - Interference Rejector; Figure 1-13 Interference
1-13 1.16 Suppressing Precipitation Clutter The vertical beamwidth of the scanner is de-signed to see surface targets even when theship is rolling. However, by this design theunit will also detect rain clutter (rain, snow,or hail) in the same manner as normal tar-gets. Figure 1-12 shows the appearan...
Page 28 - Measuring the Range; Rotate the VRM rotary control clockwise; Figure 1-15 How to measure; Measuring Bearing; Rotate the EBL rotary control clockwise
1-14 1.18 Measuring the Range Measuring range by the fixed rangerings Use the fixed range rings to obtain a roughestimate of the range to a target. They areconcentric solid circles about own ship, or thesweep origin. The number of rings is auto-matically determined by the selected rangescale and the...
Page 30 - Setting a Target Alarm Zone
1-16 3. Turn the VRM rotary control until the range marker on the No. 1 EBL aligns withtarget 2 in Figure 1-18. The active VRMreadout at the lower-right corner of thescreen indicates the distance between thetwo targets. 4. To return the EBL origin to the own ship position, press the [EBL OFFSET] key...
Page 31 - Acknowledging alarm; Figure 1-21 Inward and outward alarms
1-17 Target alarmzone A B Figure 1-20 Target alarm Note: If you wish to create a target alarmzone having a 360-degree coverage aroundown ship, set point “B” in almost the samedirection (approx. ± 3 ° ) as point “A” and press the [GZ ALARM] key. Two alarm zones can be set as describedabove. To change...
Page 33 - Figure 1-25 EPA display; Plotting a target
1-19 1.25 Electronic Plotting Aid (EPA) 10 operator-selected targets can be plottedelectronically to assess their motion trend.Five past positions can be displayed for eachof the plotted targets. If you enter a 6th ploton a certain target, the oldest plot (past posi-tion) will be erased. A vector ap...
Page 34 - True or relative vector, vector time; key twice to select PLOT.; Reading the target data; Terminating target plotting
1-20 True or relative vector, vector time Vectors can be displayed relative to ownship’s heading (Relative) or with referenceto the North (True). This feature is availablein all presentation modes (compass must beworking correctly). The current vector modeis indicated at the upper-right corner of th...
Page 35 - Setting CPA/TCPA alarm ranges; Figure 1-27 PLOT menu; Silencing CPA/TCPA audible alarm
1-21 2. Press the [2] key twice to select OFF from the ERASE field. 3. Press the [ENTER/SELECT] key followed by the [MENU] key. Setting CPA/TCPA alarm ranges When the predicted CPA of any target be-comes smaller than a preset CPA alarm rangeand its predicted TCPA less than a presetTCPA alarm limit, ...
Page 36 - Past plot points; Figure 1-28 PLOT menu; True or relative trails; Figure 1-29 Target trails
1-22 Past plot points Past plot points may be marked on the dis-play with as many as nine dots. You can turnthis display on/off as follows: 1. Press the [MENU] key. 2. Press the [7] key twice to select PLOT. 1. MARK DISP OFF ON 2. ERASE 3. VEC REF REL TRUE 4. VEC TIME 30S 1M 3M 6M 15M 30M 5. CPA SET...
Page 37 - Trail gradation; Monotone; Figure 1-31 Monotone and multitone; Displaying, erasing target trails; Figure 1-33 TGT TRAIL menu; Restoring trails; Figure 1-34 How trail copy works
1-23 4. Press the [ENTER/SELECT] key to con- firm your selection, then the [MENU] keyto close the menu. Trail gradation Target trails may be shown in monotone ormultitone. Gradual shading paints the trailsgetting thinner with time just like the after-glow on an analog PPI radar. Monotone (Single) Gr...
Page 38 - the TRAIL COPY field as appropriate.; Resetting target trails; Figure 1-35 BRILL menu; Thin trails; or OFF as appropriate.; Trail afterglow
1-24 3. Press the [5] key to select ON or OFF from the TRAIL COPY field as appropriate. 4. Press the [ENTER/SELECT] key and [MENU] key in order. Resetting target trails To reset (or clear) the target trail memory, holdthe [TGT TRAIL] key depressed for about 3seconds. Target trails are cleared and th...
Page 39 - Parallel Index Lines; Figure 1-36 Index lines; Displaying/erasing the index lines; To use the origin mark:; Origin mark reference; Figure 1-37 MARK menu; Erasing origin marks; Erasing individual origin marks
1-25 1.27 Parallel Index Lines Parallel index lines are useful for keeping aconstant distance between own ship and acoastline or a partner ship when navigating.The orientation of the index lines is controlledwith the EBL rotary control and the intervalsbetween the lines adjusted with the VRM ro-tary...
Page 40 - Heading line
1-26 1.29 Zoom The zoom function is useful for enlarging anarea of interest as large as twice the normalviewing. This performs the range scale re-duction to a half and the offset at the sametime. Zoom can be used on ranges other than0.125, 72, 96, 120 nm. 1. Place the cursor (+) close to the point o...
Page 41 - Presetting the user keys; Figure 1-39 FUNC menu; Figure 1-40 Function menu; Activating a user-defined key
1-27 1.31 User Keys (F1, F2, F3) The user keys [F1], [F2] and [F3] may be pro-grammed by the operator to display a desiredmenu. For example, you can program the [F2]key to select target trail time whenever thekey is pressed. The default settings are [F1], echo averag-ing; [F2], echo stretch and [F3]...
Page 42 - Figure 1-41 FUNC menu
1-28 Adjusting these features on a function keymenu changes the original function key set-tings. To restore the original settings for aparticular function key, it is necessary to dis-play the relevant function key menu and se-lect appropriate menu options. Table 1-2 FUNC key objectives l e b a L n o...
Page 45 - Degaussing Interval
1-31 Echo enlarged in bearingand range directions Figure 1-48 How the enhance function works Note: Enhanced video can also be selectedwith a user key. 1.38 Degaussing Interval The screen is degaussed automatically atcertain time intervals, as well as each timethe radar is turned on, to demagnetize t...
Page 46 - Outputting Target Position
1-32 1.40 Video Contrast The video contrast is adjustable in three lev-els according to the radar video samplinglevel. Select the level so that the video con-trast feature changes the dynamic range ofthe video signal to improve picture contrast.Picture shows up most clearly from the back-ground. 1. ...
Page 47 - Background Color; Table 1-4 Available color combinations; Selecting Range Scales; Figure 1-53 OTHER sub menu; Figure 1-54 RANGE menu
1-33 1.43 Background Color The secondary function of the BRILL control(BKGND COLOR) is to select the color of thebackground, characters, menu, markers andindications, from the five color combinationsshown in the table below. Each press of thecontrol selects one of the five color combina-tions. Table...
Page 48 - Figure 1-56 FUNC menu
1-34 1.46 A/D Converter Curve Setting Video signal threshold level and color outputsetting (for the CRT) are executed when thevideo signal is converted from analog to digi-tal. Select the A/D curve according to objec-tive referring to the table below. The defaultsetting is A. 1. Press the [MENU] key...
Page 50 - Peformance Monitor; To turn on the performance monitor:
1-36 Table 1-6 Alarms (con’t) t l u a F m r a l a e l b i d u A m r a l a l a u s i V s u t a t s m r a l a t i u q o T l a n g i s o e d i V e r u li a f p e e b s u o u n i t n o C G N I S S I M L A N G I S O E D I V . s r a e p p a e h t s s e r p , p e e b e h t e c n e li s o T r e z z u B . y ...
Page 51 - Radar resolution; Bearing resolution; Minimum and maximum ranges; Minimum range; is still shown separate from the point; Maximum range; where; Figure 2-1 Radar horizon
2-1 RADAR OBSERVATION For example, if the height of the scannerabove the waterline is 9 meters and the heightof the target is 16 meters, the maximum ra-dar range is; R max = 2.2 x ( 9 + 16 ) = 2.2 x (3 + 4) = 15.4 nm It should be noted that the detection range isreduced by precipitation (which absor...
Page 52 - Multiple echoes; Figure 2-2 Multiple echoes; Sidelobe echoes; Range resolution; Bearing accuracy
2-2 2.2 False Echoes Occasionally echo signals appear on thescreen at positions where there is no targetor disappear even if there are targets. Theyare, however, recognized if you understandthe reason why they are displayed. Typicalfalse echoes are shown below. Multiple echoes Multiple echoes occur ...
Page 53 - Shadow sectors; Figure 2-5 Shadow sectors; Virtual image; Figure 2-4 Virtual image
2-3 Shadow sectors Funnels, stacks, masts, or derricks in thepath of the scanner block the radar beam. Ifthe angle subtended at the scanner is morethan a few degrees, a non-detecting sectormay be produced. Within this sector targetscan not be detected. Radarantenna Radarmast Shadow sector Figure 2-5...
Page 54 - Figure 2-6 Appearance of SART signal on; General remarks on receiving SART; SART range errors
2-4 When the range to the SART is reduced toabout 1 nm, the radar display may show alsothe 12 responses generated during the fastsweeps. These additional dot responses,which also are equally spaced by 0.64 nm,will be interspersed with the original line of12 dots. They will appear slightly weaker and...
Page 55 - Figure 2-9 Appearance of RACON signal
2-5 Radar side lobes As the SART is approached, side lobes fromthe radar scanner may show the SART re-sponses as a series of arcs or concentricrings. These can be removed by the use ofthe anti-clutter sea control although it maybe operationally useful to observe the sidelobes as they may be easier t...
Page 56 - MAINTENANCE, TROUBLESHOOTING; Periodic Maintenance Schedule; Table 3-1 Maintenance schedule
3-1 MAINTENANCE, TROUBLESHOOTING WARNING ELECTRICAL SHOCK HAZARD Do not open the equipment. Only qualified personnelshould work inside theequipment. Turn off the radar powerswitch before servicing the scanner unit. Post a warn-ing sign near the switchindicating it should not beturned on while the sc...
Page 57 - Life Expectancy of Major Parts; Table 3-2 Life expectancy of major parts
3-2 Table 3-1 Maintenance schedule (con’t) l a v r e t n I t n i o p k c e h C s e r u s a e m d n a k c e h C s k r a m e R 6 o t 3 s h t n o m - il a u q r o f ( - h c e t d e i f s n a i c i n ) y l n o s t u n d e s o p x E n o s t l o b d n a t i n u r e n n a c s d e n e s o o l r o d e d o r ...
Page 58 - Replacement of Batteries; Table 3-4 Battery replacement information; Simple Troubleshooting; Table 3-5 Easy troubleshooting
3-3 3.3 Fuse Replacement Various fuses are used to protect the equip-ment from overvoltage (overcurrent) or equip-ment fault. If the fuse blows find the causebefore replacing. If the fuse blows again afterreplacement, request service. CAUTION Use the proper fuse. Use of a wrong fuse can cause fire o...
Page 62 - Figure 3-1 Sequence for diagnostic test
3-7 3.7 Diagnostic Test A diagnostic test program is provided to en-able testing of major circuit boards in the ra-dar display unit. Note that the normal radarpicture is lost during this test. Proceed as follows to execute the diagnostictest: 1. Press the MENU key to shown the main menu. 2. Press th...
Page 63 - Figure 3-2 Test results screen
3-8 FR-1700 Series TEST1. Program No. 03591511** 2. ROM Check OK 3. RAM Check OK 4. Antenna Rotation 24rpm 5. Tx Trigger Frequency 3000Hz6. Video Level 000 7. Video Signal OK 8. Navigation I/O 1 OK 9. Navigation I/O 2 OK 10. NMEA Heading IN OK 11. LOG Pulse IN OK ARP Test1. Program No. 18590411** 18...
Page 64 - Select item with tenkey and adjust by VRM knob.; Figure 3-3 Display circuit test
3-9 1. ↑ 2. H SIZE 3. H POSITION 4. V SIZE 5. V POSITION 6. PINCUSHION 7. BRIGHTNESS Select item with tenkey and adjust by VRM knob. CRT ADJUSTMENT Figure 3-3 Display circuit test
Page 65 - PARTS LOCATION; left side view
4-1 PARTS LOCATION Cooling Fan0615-24M DANGER Electrical shock hazard.Do not touch anode cap or its cable. ATA Board ARP-17(option) 18P9004A Figure 4-1 Display unit, right side view Cooling FanMMS-06C24DS-R01 RP Board RP-17 (option)03P9259A DANGER Electrical shock hazard.Do not touch parts in-side t...
Page 69 - FR-1760DS Power Supply Unit
4-5 FR-1760DS Power Supply Unit Fuse 801 Terminal boardPTB-1 R813 Terminal boardPTB-2 RELAY Board[A] 03P9003 Fan motor B801 POWER Board03P6810 TX HV Board (1)03P6810 Transmittersection TX HV Board (2)03P6810 TransformerT804 Check meter Switch S801 Hour meter Fuse 802 Fuse 803 Figure 4-9 FR-1760DS Po...
Page 70 - RF Module
4-6 FR-1710/1725 Scanner Unit RF Module TB Board03P9242 S901 Bow Side MP-3795Board Motor RTR-06* **KW IF Board03P9232 MIC Assy. RU-9253 (For RTR-063) RU-9371 (For RTR-062A) RFC Board03P9243 Diode LimitterRU-9099 RF module (Upper part)
Page 72 - SPECIFICATIONS OF MARINE RADAR; ANTENNA RADIATORS
SP - 1 SPECIFICATIONS OF MARINE RADAR FR-1710/1725/1760DS 1. ANTENNA RADIATORS (1) Type Slotted waveguide array (2) Polarization Horizontal (3) Rotation 24 rpm or 42 rpm (FR-1760DS: 24 rpm only) (4) Radiator length 4 ft (XN12AF), 6.5 ft (XN20AF), 8 ft (XN24AF) 8.1 ft (SN4A), 9 ft (SN5A) (5) Horizont...
Page 75 - COMPASS SAFE DISTANCE
SP - 4 Performance Monitor: To be installed in an exposed area 7. COATING COLOR (1) Display Unit Panel: N3.0, Chassis: 2.5GY5/1.5 (2) Antenna Unit N9.5 8. COMPASS SAFE DISTANCE (1) Display unit Standard: 1.15 m Steering: 0.90 m (2) Antenna unit FR-1710: Standard: 1.65 m Steering: 1.25 m FR-1725: Sta...
Page 76 - INDEX
Index-1 INDEX A A/C AUTO control 1-12A/C RAIN control 1-13A/C SEA control 1-12ACQ key 1-20A/D converter curve setting 1-35Alarms 1-36AUDIO OFF key 1-22 B Background color 1-34Battery replacement 3-3Bearing measurement 1-14Bearing scale format 1-34BRILL control 1-3Brilliance screen 1-3screen data 1-3...
