Page 3 - SAFETY INSTRUCTIONS; WARNING; Radio Frequency Radiation Hazard
i l e d o M r o t a i d a R e p y t o t e c n a t s i D m / W 0 0 1 2 t n i o p o t e c n a t s i D m / W 0 1 2 t n i o p n o y t i s n e d r e w o p F R e r u t r e p a a n n e t n a 5 1 8 2 - R F ) W k 2 1 , d n a b - X ( ) ' 4 ( F A 2 1 N X e s a c t s r o W * m 5 2 . 0 e s a c t s r o W * m 3 . ...
Page 4 - ii; ELECTRICAL SHOCK HAZARD; CAUTION
ii 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 serviced. P...
Page 5 - iii; TABLE OF CONTENTS; INTRODUCTION
iii TABLE OF CONTENTS INTRODUCTION A Word to the Owner of FURUNO Radar ................................................................................ vAbout This Manual .................................................................................................................. viFeatures ......
Page 6 - iv; APPENDIX
iv 1.39 Set and Drift (Set and Rate) ........................................................................................ 1-441.40 Display of Ancillary Information ............................................................................... 1-451.41 Alarms .......................................
Page 7 - A Word to the Owner of FURUNO Radar; The FR-2805 Series are available in the following two types:; Regular type and IMO type
v INTRODUCTION A Word to the Owner of FURUNO Radar Thank you for purchasing this FURUNO radar and/or ARPA. We are confident you will dis-cover why FURUNO has become synonymous with quality and reliability. Dedicated in the design and manufacture of marine electronics equipment for 50 years,FURUNO El...
Page 8 - Precautions on high speed craft; About This Manual; Categorization by specification; See the table on the next page.
vi "This device was designed and manufactured to comply with the International Mari-time Organization (IMO) Performance Standards for Automatic Radar Plotting Aids(ARPA)." WARNING If your ship is 10,000 or more gross tons and scheduled to operate in the navigable waters ofthe United States, ...
Page 9 - Features
vii m e t I e p y t - O M I e p y t - R s e l a c S e g n a R , 5 . 1 , 5 7 . 0 , 5 . 0 , 5 2 . 0 , 5 2 1 . 0 m n 6 9 , 8 4 , 4 2 , 6 1 , 2 1 , 6 , 3 5 0 8 2 - R A F d n a 5 0 8 2 - R F , 6 , 3 , 5 . 1 , 5 7 . 0 , 5 . 0 . 5 2 . 0 , 5 2 1 . 0 m n 2 7 , 8 4 , 4 2 , 2 1 : s l e d o m r e h t O , 6 , 3 ...
Page 10 - viii; General features; Audio-visual alert for targets in guard zone; ARPA features
viii General features Daylight-bright high-resolution display 28" diagonal CRT presents radar picture of 360 mm effective diameter with alphanumericdata area around it User friendly operation by combination of tactile backlit touchpads, a trackball and rotarycontrols Audio-visual alert for targe...
Page 11 - ix; Specifications; ANTENNA RADIATORS; Beamwidth and sidelobe attenuation; RF TRANSCEIVER; Minimum range and discription
ix Specifications ANTENNA RADIATORS 1. Type Slotted waveguide array 2. Beamwidth and sidelobe attenuation d n a B d n a b - X d n a b - S r o t a i d a R e p y t N X F A 2 1 3 N X F A 0 2 N X N X ( 3 ) A N X F A 4 2 ) A 4 N X ( A 5 N X N S 6 3 F A F A 0 3 N S h t d i w m a e B ) . r o H ( . 1 8 ° 3 ...
Page 12 - ARPA FUNCTIONS; INTERFACING
x 5. Bearing accuracy ± 1 ° 6. Bearing discrimination Better than 2.5 ° except S-band 10 ft radiators (SN-30AF) 7. Presentation modes Head-up, Head-up TB, North-up, Course-up,True motion north-up(Automatically set to HU in case of compassfailure) 8. Variable Range Markers Two Variable Range Markers,...
Page 13 - xi; PROGRAM NUMBER; SPU Board; EQUIPMENT LIST; Category of Equipment Units
xi PROGRAM NUMBER SPU Board MAIN: 0359096132SUB: 0359057134 ARP Board ARP: 1859038106SUB: 18590399101 RP Board 0359094111 EQUIPMENT LIST Standard Supplies1. Display unit Radar: RDP-115 (w/RP-25) ARPA: RDP-115A (w/ARP-25, RP-25)2. Antenna unit with 30 m antenna cable3. RF transceiver unit for RF-down...
Page 14 - xii
xii 115/230 VAC, 1 φ , 50/60 Hz (Ant and disp for FR/FAR2815/2825) Interswitch RJ-7.8 Radar system dataand target data inIEC61162 chart data, etc. Other Radar system Interface IF-2300 NAV data (GLL ..) CO-SPEVV-SB-C Speed (VBW, VHW) 2C 1.5 m External Buzzer TRUE Heading (HDT) FR/FAR-2855/2835S ANTEN...
Page 15 - xiii; RADIATOR
xiii ANTENNA UNIT (Turning unit or Gearbox) l e d o M t i n u a n n e t n A e p y t r o t o M 5 1 8 2 - R A F / R F * ) C D V 4 2 , m p r 4 2 ( 4 7 0 0 - B S R 6 1 5 - G 8 D * ) C D V 4 2 , m p r 2 4 ( 5 7 0 0 - B S R 1 7 5 - G 8 D 5 2 8 2 - R A F / R F * ) C D V 4 2 , m p r 4 2 ( 4 7 0 0 - B S R 6 ...
Page 16 - Turning on the Power; Location of power switch; ) I f t h e a n t e n n a d o e s n o t r o t a t e i n; Quick Start
1-1 1. OPERATION WARNING WARNING Before turning on the radar, make sure that there is no one near the antenna unit.Serious injury or even death may result ifa rotating antenna strikes someonestanding nearby. 1.1 Turning on the Power The POWER switch is located at the lowerright corner of the display...
Page 17 - FR-2805 Series Radar Display Unit Overview
1-2 1.3 Controls FR-2805 Series Radar Display Unit Overview
Page 18 - Main control panel
1-3 Main control panel OFF ON EBL BRILL A/C RAIN OFF ON VRM RANGE ACQ AUDIO OFF ST-BY TX GAIN A/C SEA FUNC4 FUNC1 FUNC2 FUNC3 A/C AUTO BRILLIANCE controlAdjusts brightness ofentire screen. A/C RAIN controlReduces clutter fromrain, snow and clouds. A/C SEA controlReduces sea clutter. GAIN controlAdju...
Page 19 - Display controls; Mode Panel
1-4 Display controls Mode Panel HM OFF ECHO TRAILS MODE ORIGIN MARK VECTOR TRUE/ REL VECTOR TIME GUARD ALARM EBL OFFSET OFF CENTER X2 ZOOM BKGR COLOR INDEX LINES CU, TM RESET INT REJECT RINGS HM OFF Temporarily erases the heading marker. ECHO TRAILS Shows trails of target echoes in the formof simula...
Page 20 - Plotting keypad and tuning compartment
1-5 Plotting keypad and tuning compartment ORIGIN MARK VECTOR TRUE/ REL VECTOR TIME RADAR MENU ORIGIN MARK VECTOR TRUE/ REL VECTOR TIME E,AUTO PLOT MENU TARGET DATA TARGET BASED DATA AUTO PLOT TRIAL LOST TARGET HISTORY ;;;;;; ;;;;;; ;;;;;; ;;;;;; ;;;;;; MARK ;;;;;; ;;;;;; ;;;;;; ;;;;;; ;;;;;; CHART ...
Page 21 - Tuning the Receiver; Auto tune; Set the TUNE selector in the tuning; Push the tune control so that it pops
1-6 1.4 CRT Brilliance Operate the BRILL control on the controlpanel of the display unit to adjust the en-tire screen brightness. Note that the opti-mum point of adjustment varies withambient light conditions, especially be-tween daytime and nighttime. BRILL A/C RAIN GAIN A/C SEA Brilliancecontrol N...
Page 24 - Open the tuning compartment and; Presentation Modes; Unstabilised; Selecting presentation mode; Loss of Gyro Signal
1-9 1.8 Initializing the Gyro Readout Provided that your radar is interfaced witha gyrocompass, ship's heading is dis-played at the top of the screen. Upon turn-ing on the radar, align the on-screenGYRO readout with the gyrocompassreading by the procedure shown below.Once you have set the initial he...
Page 25 - Description
1-10 Presentation mode,representative display Description Head-up Mode A display withouth azimuth stabilization in whichthe line connecting the center with the top of thedisplay indicates own ship's heading. The target pips are painted at their measured dis-tances and in their directions relative to...
Page 27 - Selecting pulsewidth 1 or 2; Press the RADAR MENU key on the; Presetting pulsewidths 1 and 2; s) pulsewidth on the 3 nm
1-12 1.10 Selecting the Range Scale The display range scale is changed in 13steps on the R-type (11 steps on the IMO-type) by pressing the [+] and [-] keys. Theselected range scale and range ring in-terval are shown at the upper left corneron the screen. The display range can be expanded by75% (100%...
Page 29 - Adjusting the Sensitivity; Suppressing Sea Clutter; Automatic anti-clutter control; Manual anti-clutter control
1-14 1.12 Adjusting the Sensitivity The GAIN control is used to adjust thesensitivity of the receiver, and thus theintensity of echoes as they appear on thescreen. It should be adjusted so thatspeckled background noise is just visibleon the screen. To become acquainted with the way theGAIN control w...
Page 30 - Mutual radar interference; Inside mode panel
1-15 has not been properly adjusted. Alwaysleave a little surface clutter visible on thescreen. If no surface clutter is observed(on a very calm water), set the control atthe fully counterclockwise position. 1.14 Suppressing Precipitation Clutter In adverse weather conditions, clouds,rain or snow pr...
Page 31 - Measuring the Range; Measuring the range; Measuring the Bearing
1-16 Note: For stable reception of certain typeso f r a d a r b e a c o n s ( r a c o n s ) o r S A RT(Search and Rescue Radar Transponder)as required by SOLAS 1974 as amended1988 (GMDSS), it is recommended to turnthe interference rejector off. 1.16 Measuring the Range Use the fixed range rings to o...
Page 32 - Press the EBL ON key to display or ac-
1-17 not the corresponding VRM is displayed.The range marker changes its positionalong the EBL with the rotation of the VRMcontrol. Press the EBL OFF key to erase eachEBL. 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 ...
Page 34 - Inward and outward guard alarms; To off center the radar picture:
1-19 000 010 020 030 040 050 060 070 080 090 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330 340 350 Guard zone(guard alarm) Guard zone (guard alarm)be set between 3 and 6 nm on G-type; at anydistance from own shipon R- and N-types. A B 3 nm 6 nm 2. Mo...
Page 35 - To activate the echo stretch:
1-20 2. Press the OFF CENTER key. Then, the sweep origin is off-centered to the cur-sor position. 3. To cancel off-centering, press the OFF CENTER key again. HL OFF ECHO TRAILS MODE ORIGIN MARK VECTOR TRUE/ REL VECTOR TIME GUARD ALARM EBL OFFSET OFF CENTER Inside mode panel Cursor Cursor Off-centere...
Page 37 - Electronic Plotting Aid; Plotting a target; To perform electronic plotting:
1-22 1.24 Electronic Plotting Aid (EPA) A maximum 10 operator-selected targetscan be plotted electronically (manually)to assess their motion trend. Five past po-sitions can be displayed for each of theplotted targets. If you enter a 7th plot ona certain target, the oldest plot (past po-sition) will ...
Page 38 - Reading the target data; Terminating target plotting
1-23 True or relative vector True vectors can be displayed with refer-ence to the north. Press the VECTORTRUE/REL key to select the proper indi-cation. This feature is available in all pre-sentation modes (gyrocompass must beworking correctly). The current vectormode is indicated at the upper-right ...
Page 39 - Automatic speed input; Manual speed input; Enter the ship speed by hitting corre-; True or relative trails
1-24 Automatic speed input 1. Press the RADAR MENU key on the plotting keypad to show the FUNC-TIONS menu. Hit [RADAR MENU]. * R-type only 1 PULSE WIDTH2 ECHO STRETCH3 ECHO AVERAGE4 PANEL DIMMER5 ECHO COLOR6 SHIP'S SPEED7 INDEX LINES8 SET/DRIFT 9 BRILLIANCE0 [SYSTEM SETTING 1] 1/2OFF/1/2OFF/1/2/3OFF...
Page 41 - Trail gradation; Monotone; Displaying and erasing echo trails; Resetting echo trails; Parallel Index Lines
1-26 Trail gradation Echo trails may be shown in monotoneor gradual shading. Gradual shadingpaints the trails getting thinner with timejust like the afterglow on an analog PPIradar. Monotone (Single) Gradual shading (Multi) Selection of monochrome or gradualshading requires almost the same opera-tio...
Page 42 - dex lines are not already shown.; Adjusting index line intervals
1-27 No.2 EBL Index lines Displaying and erasing the indexlines 1. Press the INDEX LINES key if the in- dex lines are not already shown. 2. Make sure that the No.2 EBL is active and orient the index lines in a desireddirection with the EBL rotary control. 3. To erase the index lines, press the IN- D...
Page 43 - Activating anchor watch; To set up the anchor watch feature:; Alarm range setting
1-28 1.27 Anchor Watch The anchor watch feature helps you moni-tor whether own ship is dragged by windand/or tide while at anchor. This featurerequires ship position data from a suitableradio navigational aid. Provided that ownship's physical data has been entered, anown ship mark can be displayed w...
Page 44 - Showing drag line; To use the origin mark:
1-29 Showing drag line Press the [5] key to select menu item 5H I S TO RY o n t h e A N C H O R WAT C Hmenu. Further press the [5] key to select(or highlight) ON, followed by the ENTERkey to conclude your selection. A drag line, or a series of dots along whichown ship was carried by wind and watercu...
Page 45 - of interest by operating the trackball.; Heading marker; Temporarily erasing heading marker; North marker
1-30 1.29 Zoom The zoom function is available on the R-type radar only to enlarge an area of in-terest. 1. Place the cursor (+) close to the point of interest by operating the trackball. 2. Press the X2 ZOOM key. The area around the cursor and own ship is en-larged twice as large as the original siz...
Page 48 - watch alarm; Picture setup
1-33 1.33 Function Keys The four function keys (#1-4) on the con-trol panel work like the auto-dialing fea-ture of a telephone, instantly calling outdesired settings to perform specially as-signed functions. The function keys pro-vide optimum radar settings for a specificpurpose with a single key op...
Page 49 - Specific operation
1-34 The picture setup options assignable toany of the function keys are shown in thetable below. Picture setup options for function keys Label Description RIVER Optimum setting for navigation on a river. BUOY Optimum setting for detecting navigation buoys, small vessels and other small surface obje...
Page 50 - Watch alarm
1-35 Watch alarm The watch alarm sounds an externalbuzzer selected time intervals to help youkeep regular watch of the radar picturefor safety or other purposes. This featurecan be assigned to function key #4 with achoice of alarm intervals of 3, 6, 10, 12,15 and 20 minutes. (See the flowchart onpag...
Page 53 - Setting for function key #3
Page 54 - Setting for function key #4
1-39 Setting for function key #4 1.34 EPA Menu 1 CPA/TCPA WARNING OFF/ON CPA 0.0NM TCPA 00.0 MIN 2 MARK SIZE STD/LARGE 3 PLOT NO. OFF/ON 4 REL VECT TGT DATA REL/TRUE 5 AUDIO ALARM OFF/ON [EPA] Hit [E, AUTO PLOT MENU]. EPA menu appears by pressing the E,AUTO PLOT MENU key. You can set thefollowing it...
Page 55 - NAV INFORMATION Menu; Select navigation data input device and; Displaying External Waypoint
1-40 1.35 NAV INFORMATION Menu and Navigation DataDisplay Various navigation data can be displayedon the radar screen. The data includes,depending on whether appropriate infor-mation is fed into the radar, own ship po-sition, cursor position, waypoint data, winddata, water current data, depth data, ...
Page 58 - Latitude and longitude area; By own ship position entry mode; Operate the trackball to align the chart; Other items; Reset the chart alignment.; Echoes
1-43 Latitude and longitude area [ENTER MARK]0000.000 N/S 5-N 6-S000.000 E/W 7-E 8-W MARK 0101. 2. Key in the latitude. If necessary, press the following key. [5] key; N, [6] key; S 3. Key in the longitude. If necessary, press the following key. [7] key; E, [8] key; W 4. Select mark. 5. Press the EN...
Page 59 - Adjusting Relative
1-44 1.38 Adjusting Relative Brilliance Levels ofScreen Data You can adjust relative brilliance levels ofvarious marks and alphanumeric readoutsdisplayed on the screen by following thesteps shown below: 1. Press the RADAR MENU key on the plotting keypad to show the FUNC-TIONS menu. 2. Press the [9] ...
Page 62 - Principal specifications; Acquisition and tracking; • Automatic acquisition of up to 20 tar-; Vectors; Past positions: Choice of 5 or 10 past; Keys Used for ARPA
2-1 2. OPERATION OF ARPA 2.1 General The FAR-2805 series with ARP-25 boardprovide the full ARPA (Automatic RadarPlotting Aid) functions complying with IMOA. 823 as well as complying with the radarperformance in MSC.64 (67) Annex 4. This chapter describes the operation ofthe ARPA. For operation of no...
Page 63 - Control panel; ARPA Menu Operation; Press the AUTO PLOT key if the Auto
2-2 ACQ (on control panel): Manually ac-quires a target. AUDIO OFF (on control panel): Silencesaural alarm. OFF ON VRM ACQ AUDIO OFF Control panel ORIGIN MARK VECTOR TRUE/ REL VECTOR TIME RADAR MENU ORIGIN MARK VECTOR TRUE/ REL VECTOR TIME E,AUTO PLOT MENU TARGET DATA TARGET BASED DATA AUTO PLOT TRI...
Page 64 - Activating the ARPA
2-3 4. Press the ENTER key to conclude your s e l e c t i o n f o l l o w e d b y t h e R A D A RMENU key to close the FUNCTIONSmenu. The ship's speed readout at thetop of the screen shows own ship'sspeed fed from the speed log precededby the label "LOG." 5. When the speed log is used, selec...
Page 65 - Canceling target-based speed; Deactivating the ARPA; Automatic Acquisition
2-4 5. Enter the ship speed by hitting corre- sponding numeric keys followed by theENTER key without omitting leadingzeroes, if any. As an example, if the shipspeed is 8 knots, press [0] [8] [ENTER].For 4.5 knots, [0] [4] [5] [ENTER]. 6. Press the RADAR MENU key to close t h e F U N C T I O N S m e ...
Page 66 - Setting auto acquisition areas; to show the ARPA 1 menu.
2-5 one minute after acquisition indicating thetarget's motion trend. Three minutes af-ter acquisition, the initial tracking stage isfinished and the target becomes ready forstable tracking. At this point, the brokensquare mark changes to a solid circle.(Targets automatically acquired are dis-tingui...
Page 67 - Terminating tracking of targets; Individual targets
2-6 To set auto acquisition areas withtrackball To s e t a u t o a c q u i s i t i o n a r e a s w i t htrackball: 1. Press the E, AUTO PLOT MENU key to show the ARPA 1 menu. 2. Press the [2] key to select menu item 2AUT O ACQ AREA. 3. Further press the [2] key to select (or highlight) SET option. 4...
Page 68 - Manual Acquisition; Changing Plot Symbol
2-7 2.6 Manual Acquisition In auto acquisition mode (AUTO ACQON), up to 20 targets can be manuallyacquired in addition to 20 auto acquiredtargets. When auto acquisition is disabled(AUTO ACQ OFF), up to 40 targets canbe manually acquired and automaticallytracked. To manually acquire a target: 1. Plac...
Page 69 - ARPA symbols; Item
2-8 ARPA symbols The symbols used in this equipment are designed to comply with Annex E (ARPAVideo Symbols) to IEC 872, Operational Requirements for ARPA. Item Symbol Status Remarks Initial stage EPVS symbol NO. 3 Steady tracking EPVS symbol NO. 4a EPVS symbol NO. 3 CPA alarm EPVS symbol NO. 8 CPA a...
Page 70 - XX; Bottom center
2-9 ARPA symbols (continued) Item Symbol Status Remarks Guard zone On target passingthrough operator-set guard zone EPVS symbol NO. 7 Plot symbol changes to an equilateral triangle apex down, flashing together with vector if target entering guard zone (guard ring). Automaticacquisition area 5.5-6.0 ...
Page 71 - Displaying Target Data
2-10 2.8 Adjusting Brilliance of Plot Marks 1. Press the RADAR MENU key on the plotting keypad to show the FUNC-TIONS menu. 2. Press the [9] key to show the BRIL- LIANCE menu. 3. Press the [7] key to select 7 PLOT BRILL. 4. Further press the [7] key to select (or highlight) a desired brilliance leve...
Page 72 - True or relative vector; True vector; Vector time; Past Position Display
2-11 2.10 Mode and Length of Vectors True or relative vector Target vectors can be displayed relativeto own ship's heading (relative) or withreference to the north (true). Press the VECTOR TRUE/REL key toselect true or relative vectors. This fea-ture is available in all presentation modes(gyrocompas...
Page 73 - Press the ENTER key to confirm your; Ranges
2-12 Displaying and erasing pastpositions To display past positions, press theHISTORY key to display past positions oftargets being tracked. The label HISTORYappears at the upper-right corner of thescreen. ORIGIN MARK VECTOR TRUE/ REL VECTOR TIME TARGET DATA TARGET BASED DATA AUTO PLOT TRIAL LOST TA...
Page 74 - Silencing CPA/TCPA aural alarm; Setting a Guard Zone; Guard Zone; Activating the guard zone; To set and activate the guard zone:
2-13 To set the CPA/TCPA alarm ranges: 1. Press the E, AUTO PLOT MENU key on the plotting keypad to show theARPA 1 menu. 2. Press the [6] key to select menu item 6CP A, TCPA SET. At this point, a high-light cursor appears at the "CPA x.xNM"field. 3. Enter the CPA alarm range in nautical mile...
Page 75 - Operational Warnings; tion; Lost target alarm
2-14 7. Referring to figure below, place the cursor at the outer left corner of thearea (point A) and press the ENTERkey. 8. Place the cursor at the right edge of the area (point B) and press the EN-TER key. Note: If you wish to create a guardzone having a 360-degree coveragearound own ship, set poi...
Page 76 - Missing Signal; LOG; Dynamic trial maneuver
2-15 Target full alarm When the memory becomes full, thememory full status is indicated and therelevant indication appears on the screenand a short beep sounds. Manually acquired targets The indication "MAN TARGET FULL" ap-pears at the screen bottom and a shortbeep tone sounds when the numbe...
Page 77 - Static trial maneuver; To perform a trial maneuver:; Set with the VRM control.
2-16 A A0 B B0 OS0 A1 A2 A3 A4 A5 A6 A7 A8 OS1 OS2 OS3 OS4 OS5 OS6 OS7 OS8 B1 B2 B3 B4 B5 B6 B7 B8 Present ownship position Delay time = 5 min. T Dynamic trial maneuver Note that once a dynamic trial maneuveris initiated, you cannot alter own ship'strial speed, course or delay time until thetrial ma...
Page 78 - Terminating trial maneuver
2-17 Delay time: Enter in minutes by hitting numeral keys. This is thetime after which own shiptakes a new situation, notthe time the simulationbegins. Change the delaytime according to ownship loading condition,etc. 8. Press the TRIAL key again to start a trial maneuver. Trial maneuver takes place ...
Page 80 - Factors Affecting ARPA; Sea returns; Non-synchronous emissions; Low gain
2-19 Automatic acquisition areas andsuppression lines Performance of auto-acquisition is en-hanced by controlling the limit lines (sup-pression line) in the former series ofFURUNO ARPAs. In this new series ofARPAs, the automatic acquisition ringsare used instead of the limit lines. Auto acquisition ...
Page 82 - Radar resolution; Minimum range; is still shown separate; Maximum range
3-1 3. RADAR OBSERVATION For example, if the height of the antennaabove the waterline is 9 meters and theheight of the target is 16 meters, the maxi-mum radar range is; R max = 2.2 x ( 9 + 16 ) = 2.2 x (3 + 4) = 15.4 nm It should be noted that the detection rangeis reduced by precipitation (which ab...
Page 83 - Multiple echoes; Sidelobe echoes; Virtual image
3-2 Multiple echoes Multiple echoes occur when a transmittedpulse returns from a solid object like a largeship, bridge, or breakwater. A second, athird or more echoes may be observed onthe display at double, triple or other mul-tiples of the actual range of the target asshown below. Multiple reflect...
Page 84 - Shadow sectors
3-3 3.3 SART (Search and Rescue Transponder) A S e a r c h a n d R e s c u e Tr a n s p o n d e r(SART) may be triggered by any X-Band(3 cm) radar within a range of approxi-mately 8 nm. Each radar pulse receivedcauses it to transmit a response which isswept repetitively across the complete ra-dar fr...
Page 85 - Use range scale of 6 or 12 nm as the; SART range errors
3-4 When the range to the SART is reducedto about 1 nm, the radar display may showalso the 12 responses generated duringthe fast sweeps. These additional dot re-sponses, which also are equally spacedby 0.64 nm, will be interspersed with theoriginal line of 12 dots. They will appearslightly weaker an...
Page 87 - Periodic Maintenance Schedule; Interval; Weekly
4-1 4. MAINTENANCE DANGER: Electrical Shock Hazard This equipment contains high voltages which can cause death at severalinternal circuits including a cathode ray tube (CRT) which uses severalthousand volts. Any internal adjustment, servicing and repair shall only beperformed by qualified service pe...
Page 88 - Life Expectancy of Major Parts
4-2 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 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 a n n e t n a s t u n d e n e s o o l r o d e d o r r o c r o f k c e h C d n a n a e l c , y r a s s e c e n f I . s t l o b d n a f i m e h t ...
Page 89 - Easy Troubleshooting; Problem; Key beep inaudible
5-1 5. TROUBLESHOOTING DANGER: Electrical Shock Hazard This equipment contains high voltages which can cause death at severalinternal circuits including a cathode ray tube (CRT) which uses severalthousand volts. Any internal adjustment, servicing and repair shall only beperformed by qualified servic...
Page 90 - Troubleshooting; Serviceman qualification; CRT voltage
5-2 5.2 Advanced-level Troubleshooting This paragraph describes how to cure hard-ware and software troubles which should becarried out by qualified service personnel. Note: This radar equipment contains complexmodules in which fault diagnosis and repairdown to component level are not practicableby u...
Page 95 - A.1 Performance Monitor; Transmitter; Display Meaning
A-1 APPENDIX A.1 Performance Monitor For X-band radars, the FURUNO PM-30s a t i s f i e s t h e r e g u i r e m e n t c o v e r i n g9410 ± 50 MHz. For S-band radars, the PM-50 is available covering 3050 ± 30 MHz. The performance monitor is an indepen-dent unit, namely, it is not interconnectedwith ...
Page 96 - A.2 For Fishing Vessel
A-2 A.2 For Fishing Vessel This radar can be customized as a fish-ing vessel version with an internal setting.The fishing vessel version offers an addi-tional picture setup option "BIRD," whichis assignable to one of the function keysdepending on a setting on FUNCTIONKEY 1, 2 , 3 or 4 menu s...
Page 97 - RATTM (Every five seconds when acquiring 10 targets); Sentence Description; See pages which follow.; Position data
A-3 A.3 Navigation Data (IEC 61162-1 Edition 1 and Edition2) 1. I/O Sentences for Channel 1 Input BWC, BWR, DBT, DPT, GGA, GLL, MTW, MWV, RMA, RMB, RMC, VDR, VTG(*),ZDA *: not recommended in IMO-type 2. I/O Sentences of Channel 2 Input VBW, VHW, HDT Output RAOSD, RARSD (An interval of three seconds)...
Page 98 - GPZDA; Course heading, speed over ground
A-4 Data, time data GPZDA Timeout: 10 seconds Course heading, speed over ground (In the case of log) VDVBW>**VBVBW (In the case of navigator) GPVTG>GPRMC (Not recommended in IMO-type) Course heading, speed over water VDVBW>**VBW>VD VHW Water depth data SDDPT>SDDBT>**DBT>**DBS Wa...
Page 100 - SIMPLIFIED INTERCONNECTION DIAGRAM; (See Installation Manual for terminal connection)
A-6 INPUT: POSITION (GLL) CHANNEL 2 PORTOUT: OWN SHIP DATAINPUT:SDME (VBW)GYRO (HDT) IF-2300 GYROCOMPASSORGYRO CONVERTER SDME (Speed pulse) SIMPLIFIED INTERCONNECTION DIAGRAM (See Installation Manual for terminal connection) Note: The FR/FAR-2805 does not process the IEC61162-2 data. Therefore, the ...
Page 110 - MENU TREE
Page 112 - MARK SIZE
MN-3 1 CPA/TCPA WARNING (OFF, ON) CPA 0.0NMTCPA 00.0 MIN 2 MARK SIZE (STD, LARGE) 3 PLOT NO. (OFF, ON) 4 REL VECT TGT DATA (REL, TRUE)5 AUDIO ALARM (OFF, ON)
