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Furuno 1832 Radar Detector User Manual

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1. bas 1 F 9 G 6 ONNIN E uH 10 iH e N FURUNO RSB 0062 ANTENNA UNIT 2 3 eJ e e n 3 a3 5 lt ae o gt eed 4 SPER E iw E a E e e lt x 8356 t I 855 t Bunos i i s SN QN9 gt 9 gt BEEN B 0S gt I i gt H I RII 5 1 Boi e gt N _ _ lt tm H 5 X VYL JHS 499 49 Lg 5789 09 07087 80 CATETE er zor d 27 9 1 9 g gt 932Zng 1x3 z gt 5271 2444 sig Ae Dee xis X wi JHS dga dEHN _ 5 5 6017 MAG PK lt OND al 5 gt al lt M Pt 872 9 dz a 2 a 7 NO gt g gt HB 1 lt 0 g 1 528 zs a 9MAS Ai gt y gt 4 04 lt t ay gt gt IM G RC 8 coxa n s gt 9NAS Hi gt ZOUD
2. hib ARAKAS NANAWAWAASG Sa e Q lt Fg py moeudmet 26 P TETSESS 252 20 i i EB T 3 2 gt lt 5 lt ii sg 224 b lt 2 Bit 811 408 AVTdSIG 8286 588 8 eee SES 288854846 9 lt 91 lt lt 8 lt lt 7 lt lt 51 lt 8454 NZ cen gt 1 M Le MM Nass M a 221111121 1 1 ae 5 SSES SSS ire WAY IPA N gt S amw 278 X T doa nzs4 Ess gt CIA 5 F 8 86 gess 88832 FB S eeses 55 18 21446 GUVAdIHS t be 4 E du LINN N3NNVOS EY A13A1123443 01039 VAUAAUAUAUAUAUAUAUAOAUA BE ARKABE SE Co M3 Wa tn G3 eh wm CO NS dNY ID 801028400 QNnOHS 7 a amp BS 310N zo r zm S S dd d 5 WHERE t ut _ 9026 04 7921 100 86 LINA VNNHINY dich s
3. 11 e AZ OND gt gt NO BER 471 140 4042 A gt 940 1HM CY 01 lt 2 N 76 92 71 d6HA 128 1 amisyzg en 00 Age i2 ay M WOE AZOZ40L LLSB MM 025072 S AA SNIVA S dIHS igen 3438 AZt VOI we Zee Se oy 0g 02781701 z0003d YZ8 N AZE Z VS 01 172826560 lt m O e 5 E INTERCONNECTION DIAGRAM FURUNO ELECTRIC CO L TD FURUNO 013IHS 073195 SHIYM 5 4195 lt 2 SNIYH 5 me SNIYH 5 4195 E Ow 5 JIHS FM LSEId SHIYM 5 yi Q SNIYM S yi Q SNIYH S dI HS SNIWM S dEBS NOS dk LBE LA IE id to AD 100 A to SCANNER m gt 2 nN 458 5 P1 RAMS 34 AAAAAA MM EPN gt AMMIAN 3338535813288 PLB gt GNO MJ B2 RAIN 41351 DATA H DATA SHIELO 41352 HJ_A5SEHU TUNINC ND EXT _TRIGC SV 2 lov 317362 8 321 J283 3 DATA H 4 2 DATA 5 gt CLK H amp 2 CLK C gt ANT SY 2 gt SPARE 1 q m m e e 2 911369 9 SV gt 5 gt 5 6 5 5 5 gt T gt 5 GND 8 gt CND
4. 2 H SYNC CRT 12V 3 PNE ISP a iz 3 DRAWN CHECKED Jun 6 17 Jats APPROVED lt o C3441 KO1 FURUNO ELECTRIC CO LTD OD 2181231 L i 1 TIUM HO T Chho OCT CH h c b s f a ON 32018 01 9797 T3008 Ji ddV ON 03 10BAH 1 1 5 CSE 95 101 SaN 1 1085 2 pu CPST L6TT v8CC SLOM ie VL806 W3i le OND 20 GND I9 6 W3 51 0 ie DN 1088 l lise GSOON I 2 51 1 N 2084 Add A T he i AS E gt 5 Em t A l t l js 5 Adit Adi A l 1 I ir 1 908F PLAT Perse 4 2125 31 3 8 Se 555 SEEB Nid bB 26 UH 28 3110 OM 3 325 9 1 U Mum um V 1V8 N 9 LINA V IN _ aN 4 10 v 2 d c900 88SM Adhd OIH19 1 ONNHNSA JILVWSHIS A UO Zh6 LN PU 1901 34 CIN 204 coH Sd21290 SW O H3AO018 AKAN WN c 0 12985 0 0 1 54 9
5. pcm Se cable assy 20m 4 Accessaries 000 086 872 5 Spare Parts PO312200 000 086 965 Ist Optional Equipment pe Ol Remarks RU 3423 000 030 443 1 1932 1942 AC Magnifying Lens 03 121 1500 008 439 000 1 Flush Mount Kit 145 008 476 060 SC S Eq s o Mounting Bracket 1 OP03 92 008 445 070 For MODEL1832 1 6 External Buzzer OP03 21 000 030 097 See note 1 Note 1 Even though the display unit meets waterproof standard IPX 5 the connection of external buzzer radar plotter and or remote display can affect waterproofness Watertight integrity cannot be guaranteed When these modification has been done the display unit should not be mounted where exposed Note 2 Conversion from MCP connector square type to MJ connector circular type viii Installation Materials ET 169xx 1832 CodeNo ay Remarks _ E Power Power Cable 0389332 E 138 028 a a Head M10 x SUS304 000 862 iw Hex Bolt Flat Washer M10 SUS304 000 864 131 4 Spring Washer M10 SUS304 000 864 261 CP03 170xx Model 1932 1942 L Mame Tye Codewe Remans Lied Cae 20m MBZ PED Sind Cable 30m MJ B2ILPFO002300 000 138 973 000 cwispx a MERGDSUSOE lesNe Flat Washer oos a
6. 22 1 1 E TABLE 1 INDICATES TOLERANCE OF DIMENSIONS 2 2 1222 EH Re COMPASS SAFE DISTANCE ume 2 A BU 10x DI amp 1 4 SCALE 1 4 s f 1 10 Motto C3441 G01 E LUILINE DRAWING FURUNO ELECTRIC CO LTD D 3 FUR UNO 103610 10 Sates RADIATOR SCALE 1 25 21 5 XN10A M1761 1761M2 1931 1931M2 MODEL 851 1932 XN12A M1941 1941M2 1941R 861 FR 7041 7041R 7061 F FORWARD B ce x C 240 350 260 _ 435 M12 BOLT 65 DRAIN HOLE 56 2 SEAL WASHER CW1053DX ln XN10 VA ANT CLEARAN P4 2 CENTER OF ROTATION 50 CABLE ENTRY FIXNG HOLES 4 013 250 _ XN10A 21 8 10 MOUNTING DIMENSIONS MASS XN12A 20 0 kg 1096 DETAIL OF CABLE ENTRY 10 5 0062 XN12A RSB0062 065 OUTLINE DRAWING LL FURUNO ELECTRIC CO LTD GI 002 OIHIOJ3T3 ONNYNSA MYdDVIG NO J93NNOOU3INI dVOVd Sus FB5 Sog E ZS 9E J lt lt 668 13d0N F rz riz r IM mis
7. 8 2 12 Measuring the Range 9 2 13 Measuring the Bearing 9 2 14 Using the Offset EBL 9 2 15 Shifting off centering the Picture 10 11 MENU OPERATION 12 3 1 Basic Menu Operation 12 3 2 Selecting the Presentation Mode 12 3 3 Magnifying Long Range Echoes echo SES ES 13 Sud BOBO Tra 13 3 5 Suppressing Radar Interference 14 3 6 Selecting Pulsewidth 15 o Guard Alar us n retibus 15 3 0 ee eer ma eda 16 3 9 Displaying Navigation Data 17 3 10 OTHER MENU Description 18 Eunction E 19 3 12 Suppressing Noise 19 3 13 Adjusting Brilliance of Markers 19 3 14 Outputting Target Position 19 4 FALS ECHOES 20 4 1 Multiple Echoes 20 4 2 Side lobe Echoes 20 4 3 Indir ct ECho6S8 oie 20 4 4 Blind and Shadow Sectors 21 5 MAINTENANCE amp TROUBLE SHOOTING norton 22 5 Preventitive Maintenance 22 5 2 Replacing the Fuse 22 5 3 Troubleshooting 23 Sod Sell 24 5 5 Life Expectancy of Magnetron 24 6 INSTALLATI
8. Own Position L L TD Cursor Posi B R L L Alm Sense LV Low Mid High Dead Sector Off On 36 1832 Range 36 48 1932 1 8 1 4 1 2 3 4 1 1 5 2 3 4 6 8 12 16 24 36 48 64 1942 m Test Installation Setup 4 Nav Talker All GPS LC 2 Depth Unit m fa ft 3 Temp Unit C F 4 Hdg Sensor Magnet Gyro 5 Key Beep Off On 6 Scan Stop Rotate Stop 7 Dead Sector 8 Tune Video Adjustment 9 Heading Alignment 10 Sweep Timing Adjustment 11 MBS Adjustment 12 Ant Height Low Mid high 13 STC Curve Sharp Std Gntl 14 Ope Mode Master Slave 15 Hours in Use 16 Hours AP 1 ARP 10 OPTION A WARNING Hazardous voltage can shock burn or cause death Only qualified personnel should work in the unit This auto plotter is not designed to replace the human eye nor make decisions for the navigator It is intended for use as an aid to navigation Always maintain a watch while underway Data obtained from this auto plotter should always be double checked against other sources to verify the reliability of the data This auto plotter automatically tracks a acquired radar target and calculates its course and speed indicating it by a vector Since the data generated by this unit are based on what radar targets are selected the radar must always be optimally tuned for use with it to ensure that required targets will not be lost or unwanted targets such as
9. cmo maaole Gris our 0 520 e Note All plotter in the table except the GP 1800 2 can receive TLL data 31 Signal cable connector DJ 1 waterproof Left HDG connector Mid NMEA connector for NAV Right NMEA connector for E S NCAUTION Replace the fuses to 5 A for 24 32 VDC set Power cable connector External equipment connector To be used for Remote Display External Alarm Buzzer OP03 21 and Radar Plotter RP 110 Ground terminal NCAUTION Ground the equipment Ungrounded equipment can give off or receive electro magnetic interference or give electrical shock Figure 6 20 Connections on the display unit 6 3 Exchange of Fuse for 24 32V Power Supply The power cable comes with a 10A fuse in the fuse holder This fuse is for use with a 12V DC power supply For 24V 32V DC power supply replace the fuse with the 5A fuse supplied and attach 5A label supplied to fuse holder 6 4 Checking the Installation After completing the installation it is a good idea to recheck it to be sure all steps were correctly done Use the table 6 1 to check the installation Tick box LI The signal cable is securely retained against the mast or mounting platform and is free of interference from running rigging LI The cable gland or entry on the deck if provided is waterproofed LI The power connections to the battery are of correct polarity LI T
10. 131 e T EV 7 255 175 EOM 2g 1 6 gat 1 26 Pom wea DER 21 Jea It 8 LEA 3 SLT T T x 6602 6 71 eol me ar mmm T e 5 2 5 a gt ol gt gt gt So 2 6 1 BEH 2 0 22 onl BEB onl BBB ee BENT I gs909 ND UO LI ER 522 3 WERE n 885 E 288 o mea aye TARI VVYYVYYYY laeetg2822g 5 EC EC DX ON Y Y Y 3 eo 55365556 CIT cen TT in tititi lt 8 DEN t DEM AK lo m M x Ht Ax S NI 135 E D Eo ARR 5 P T4 rT3 T4 MEME ILI TE 1 LLL ri E t m L1 L i Li pi RI E gt BENE E 4 5 IT 1 RE Pa 5 At 33 lt ANS gt C c n um ioi 538027588 5 Lo 2 22c o Q LL L L 4
11. 155 30S 2M 3M 6M 0 5 1nm 3nm 5nm Off Hel MENU Press the ACQ ENTER key The menu shown in Figure AP 1 appears AP 4 1M 2M 4M 5M 6M Off On TCPA Set Auto ACQ Figure AP I ARP Menu 5 Operate the omnipad to select the menu item 1 Display 6 Operate the omnipad to select On 7 Press the ACQ ENTER key 8 Press the MENU key to close the menu Target under auto tracking but not selected for cursor data reading Target Full Mar Target selected for data reading Auto Acquisition Lost Target Area Threatening target 7 NS 77 ii 13 5 R 0 142NM VRM 0 048NM 0 100NM COURSE 287 8 T 12 5 KT 12 35 BEARING 42 5 T RANGE 5 36NM SPEED CPA 2 TRUE VECTOR 15 MIN ARP Data Area Figure AP 2 ARP Display Deactivating the Auto Plotter To deactivate the Auto Plotter 1 Open the ARP 10 MENU 2 Operate the omnipad to select the 1 Dis play 5 Operate the omnipad to select Off 6 Press the ACQ ENTER key 7 Press the MENU key to close the menu Acquiring targets Manual Acquisition Follow the steps below to manually acquire a target Up to 10 targets can be manually ac quired 1 Place the cursor on a target of interest by operating the omnipad 2 Press the ACQ ENTER key The plot symbol changes its shape according to the status as below A vector appears in about one minute
12. gt 9 gt GMO GND gt 10 gt GNO aW 400 QN2 009 0N2 d5 05 t avaya gt 2Ed iv AYONA ALY VOVA 1 85 01 Y avOval Ev gt gt 8 avava gt 626 gt 8 7 1 73 4 2 gt s2db v avova 9174Y013 126 gt 9 7 4310Y3 32 5 Sv aor bE avava S2H b YOY CY avava 2 4 2Y Ora gt 524 gt 2 3903 1 412 gt 124 12 3 0 MY 212 5 4 D 1 OCC gt 19 DCi OCC 20 OCt 324 gt SPARE DATA H gt DATA gt CLE H gt CLE C ANT Su PuR W73v0va 2282 17 avdVa gt 178 5 0v 3v0v8 45087407 1Y3 a2 d5 N 14818 407 1X3 GND gt 6 amp 1 d i5 N INI 407 1X3 81 5 W INE 307 1X3 114 gt OND N 115397 aq 13 31 5 71385347 42 0N5 5 ONS NOU div Oa 43 185 0N5 N 3A7 49 2162 87 AA 494 N35 Lig gt gt ON9 N75 da Y gt 6 gt 537 Jav N2 68 Q0N9 107 3 0v3 38 7 gt 1073 0 4 907 3 0Y4 7 50 31072 5079099 38 7 gt 51 3Y0Y3 bO 3 0Y4 58 5 K 3Y0Y3 0 3Y043 kg 7 gt 073 0 3 20 3Y0Y34 5 20 3Y0V3 107 3Y0Y3 28 5 107 303 807 4v0v3 18 7 9073 0 3 0 EV N QN3 2 gt 0N9 0N2 2 EV 0N9 030IA7 46 LE Y g
13. 1 2 How Ships Determined Position Before Radar Before the invention of radar when running in fog near a rugged shoreline ships would sound a short blast on their whistles fire a shot or strike a bell The time between the origination of the sound and the returning of the echo indi cated how far the ship was from the cliffs or the shore The direction from which the echo was heard indicated the relative bearing of the shore 1 3 How Radar Determines Hange Radar determines the distance to the target by calculating the time difference between the transmission of a radar signal and the reception of the reflected echo It is a known fact that ra dar waves travel at a nearly constant speed of 162 000 nautical miles per second Therefore the time required for a transmitted signal to travel to the target and return as an echo to the source is a measure of the distance to the tar get Note that the echo makes a complete round trip but only half the time of travel is needed to determine the one way distance to the target This radar automatically takes this into account in making the range calculation 1 4 How Radar Determines Bearing The bearing to a target found by the radar is determined by the direction in which the radar scanner antenna is pointing when it emits an electronic pulse and then receives a returning echo Each time the scanner rotates pulses are transmitted in the full 360 degree circle each pulse at a slightly di
14. Switch Temporarily erases heading line and north mark if displayed Control Reduces sea clutter Switch Long press Shifts your vessel s position to cursor location Brief press Doubles size of area between your vessel and location selected by cursor Control Reduces rain clutter Switch Displaces the EBL origin Lights when the economy mode IS Default switch function lt m 27 2 BASIC OPERATION SELECT CANCEL gt Q m S 2 m JJ RANGE 00 lt 20 EBL VRM TRO m m m O OF BRILL E O Co gt O 20 gt Zz gt gt lt CGC O UJ lt Figure 2 1 Control panel Omnipad Shifts cursor VRM and EBL select items and options on menu 1 Acquires the target selected with the ominipad 2 Registers selection on menus Sets guard zone area Selects radar range Enables erases EBL1 EBL2 EBL3 EBL4 Outputs target position data Automatically reduces sea and rain clutters Adjusts display brilliance Sets radar in stand by transmits radar pulse Turns power on off 2 2 Display Indication and Markers Echo trail elapsed time P 13 Heading requires heading data Heading line P 8 Range P 6 HDG emnt rpm Range ring interval P 6 Pulselength P 6 Disp
15. e Lost target alarm CPA TCPA Alarm Visual and audible alarm are generated when the predicted CPA and TCPA of any target become less than their preset limits The au dible alarm continues for 10 seconds The Auto plotter ARP 10 continuously moni tors the predicted range at the Closest Point of Approach CPA and predicted time to CPA TCPA of each tracked target to own ship When the predicted CPA of any target be comes smaller than a preset CPA alarm range and its predicted TCPA less than a preset TCPA alarm limit the ARP 10 releases an audible alarm In addition the target plot sym bol changes to a triangle and flashes together with its vector Provided that this feature 1s used correctly it will help prevent the risk of collision by alert ing you to threatening targets It is important that GAIN A C SEA A C RAIN and other radar controls are properly adjusted and the Auto Plotter is set up so that it can track tar gets effectively CPA TCPA alarm ranges must be set up prop erly taking into consideration the size ton nage speed turning performance and other characteristics of own ship A WARNING The CPA TCPA alarm feature should never be relied upon as a sole means for detecting the risk of collision The navigator is not relieved of the responsibility to keep visual lookout for avoiding collisions whether or not the radar or other plotting aid is in use Follow the steps shown below to set the C
16. MAN ACQ AUTO ACQ IFE DATA1 FE DATA2 Program No 0359139 1XX ROM Hours in use 000006 9H Tx hours 000001 1H Press MENU for OTHERS menu Figure 5 1 Self test screen 4 The ROM and RAM are automatically checked If NG No Good appears to the right of ROM or RAM indication contact your dealer for advice ARP 10 TEST results appear only when optional ARP 10 board is mounted 5 To check the keyboard press any key ex cept the omnipad ACQ and power keys Its corresponding location on the display lights in black if the key is operating properly 6 Press the ACQ key to check the display circuit The following pattern should appear Figure 5 2 Test pattern 24 6 INSTALLATION This chapter provides the procedures neces sary for installation Installation mainly con sists of the following siting and mounting the display unit and antenna unit connection of the signal cable and the power cable establishing the ground checking the installation and adjustments 6 1 Antenna Unit Installation Siting handling considerations The antenna unit is generally installed either on top of the wheelhouse or on the radar mast on a suitable platform Locate the antenna unit where there is a good all round view rigging intercepting the scanning beam Any obstruction will cause shadow and blind sectors A mast for instance with a diameter considerably less
17. avoid where possible routing the signal cable near other onboard electrical equipment Also avoid running the cable in parallel with power cables Pass the cable through the hole and apply sealing compound around the hole for waterproofing The procedure for connecting the signal cable to the antenna unit is as following 1 Through a pipe or waterproof cable grand fitted on the wheelhouse top or bulkhead 2 Unfasten four screws at bottom of the scan ner base to remove the cable gland assem bly 3 Pass the signal cable through the antenna base and the cable gland assembly re moved in step 2 4 M4x10 CLAMP PLATE PACKING FLAT WASHER Figure 6 15 Passing the signal cable through the antenna housing 4 Fasten the cable gland assembly 5 Connect the lead wires to RTB 9100 in the antenna housing by referring to the Inter connection Diagram Fasten the ground washer at the bottom of the antenna hous ing as shown in Figure 6 13 amp GROUND WIRE Fasten shield here RTB 9100 Figure 6 14 Connection in the antenna housing Final preparation 1 Place the antenna housing cover on the housing Loosely fasten the four fixing bolts on the cover Scanner housing cover Figure 6 15 Fastening the antenna housing cover 2 Apply grease to the two slot pins Using a wooden hammer to prevent damage to paint insert slotted pins into the pinning holes until the pin head is flush with
18. change the radar goes into stand by WATCHMAN appears during stand by If there 1s change the radar sounds the audible alarm cancels the watchman function and transmits continuously Turning on watchman 1 Create a guard zone usually 360 degrees with the guard alarm function Press the MENU key Select OTHER MENU Press the ACQ ENTER key Select 15 Watchman Un A W N Press the omnipad to select watchman rest period 5 minutes 10 minutes or 20 min utes WATCHMAN appears at the top of the screen the radar transmits for one minute to check for targets inside the guard zone and then the CRT shuts off and the radar goes into stand by Cancelling watchman Go into the OTHERS menu and set 15 Watchman for off Note 1 Watchman can be used without a guard zone Note 2 The alarm sounds just before the ra dar starts and stops transmitting 3 9 Displaying Navigation Data Navigation data can be displayed at the screen bottom if this radar receives navigation input in IEC 1162 format Navigation data include position in latitude and longitude or Lo ran C time difference HDG vr rir in l un vw et 345 6 R 23 0 R OWN SHIP 34 56 12N 135 34 56E SPD 35 0KT 1 5 NM 0 06 L_13 5 R 0 142NM CURSOR 34 29 98N 136 35 77E TTG 01 00 range bearing and time to go to bo
19. lected with the cursor ACQ ENTER with the cursor Acquires the target selected ARP 10 MENU Operation The ARP 10 MENU operation includes the followings Display Turns on off the plot symbols past positions and target data All Cancel Cancels the tracking of all targets Vector Ref Selects relative vector or true vectors To select your choice open the ARP 10 menu and the legend Rel and True appear on the 3 Vector Ref line Operate the omnipad When your selection is in the reverse video press the ACQ ENTER key Vector Length Selects vector time History Selects past position plot interval CPA Set Selects CPA alarm limit When a target is predicted to come within this limit an aural alarm sounds and at the same time the corresponding target symbol changes to a blinking triangle Note If the preset CPA limit is set at OFF a target which is on collision course will not produce an alarm TCPA Set Selects TCPA alarm limit Auto ACQ Turns on off Auto Acquisition Area AP 3 Activating the Auto plotter To activate the Auto Plotter follow the steps shown below 1 Adjust the GAIN A C SEA and A C RAIN controls for proper radar picture 2 Press the MENU key to open the main menu El Display All Cancel Vector Ref Vector Length History CPA Set 3 Operate the omnipad to select ARP 10 ARP MENU Select item by omnipad and press ENTER key 30S 3M 6M 15M
20. switch before servicing the antenna unit Post a warn ing sign near the switch indicating it should not be turned on while the antenna unit is being serviced Prevent the potential risk of someone begin struck by the rotating antenna and expo sure to RF radiation hazard A WARNING Do not disassemble or modify the equipment Fire electrical shock or serious injury can result Turn off the power immediately if water leaks into the equipment or the equipment is emitting smoke or fire Continued use of the equipment can cause fire or electrical shock Do not place liquid filled containers on the top of the equipment Fire or electrical shock can result if a liquid spills into the equipment CAUTION Use the proper fuse Use of a wrong fuse can result in fire or permanent equipment damage Do not use the equipment for other than its intended purpose Personal injury can result if the equipment is used as a chair or stepping stool for example Do not place objects on the top of the equipment The equipment can overheat or personal injury can result if the object falls FOREWORD Congratulations on your choice of the FURUNO MODEL 1832 1932 1942 Marine Radar We are confident you will see why the FURUNO name has become synonymous with quality and reliability For over 50 years FURUNO Electric Company has enjoyed an enviable reputation for innova tive and dependable marine electronics equip
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22. IE6IA 6 lt C86 3 10 76 1 6 JOIVInQOW Y 525 42711 2 A M 90881 Ael 6 lt 5 et r cam SW lt 21 MO 25 25 Logr 108d LEBTELLBd lt lt 190 CN IE6IA HST6L GIAL 9ggd 9zer alu een _ CEST LE0L7 A TW EOI V8T6L GIA 8167 QWlege I I 816L GIN gindoW H AI OSNVH1 ig __ oore aiu osz S vC AG ON Tta ON ON ON ON 6 LAG c IQ TAON TEG TAGON FURUNO ELECTRIC CO LTD 5 WJ 23 LW Coy 9 52 Ashihara Cho Nishinomiya City 662 8580 Hyogo Japan Tel 81 798 65 2111 Fax 81 798 65 4200 Pub NO DOC 297 Declaration of Conformity C d 0 6 0 We FURUNO ELECTRIC CO LTD Manufacturer 9 52 Ashihara Cho Nishinomiya City 662 8580 Hyogo Japan Address declare under our sole responsibility that the product Marine radar Model 1832 for recreational crafts and small fishing boats Serial No 3356 001 1 Model name serial number is in conformity with the essential requirements as described in the Directive 1999 5 EC of the European Parliament and of the Council on radio equipment
23. Waterproofing Antenna unit IPX6 Display unit IPX5 15 Power supply amp power consumption 12 V 24 V or 32 VDC 10 2 V to 41 6 VDC SOW 16 Protection feature Protection against reverse polarity overvolt age overcurrent and internal fault 17 Compass safe distance MODEL 1932 SPECIFICATIONS ANTENNA UNIT Radiator Slotted waveguide array 2 Radiator length 100 cm 3 Horizontal beamwidth 3 99 4 Vertical beamwidth 27 5 Sidelobe Within 20 of mainlobe less than 24 dB Outside 20 of mainlobe less than 30 dB 6 Polarization Horizontal 7 Antenna rotation speed 24 rpm 8 Wind resistance Relative wind speed 100 knots 51 5 m s TRANSCEIVER MODULE contained in antenna Pulselength amp pulse repetition rate 0 08 us 2100 Hz 0 125 0 25 0 5 0 75 1 5 0 3 us 1200 Hz 1 5 2 3 0 8 us 600Hz 3 4 6 8 12 16 24 36 48 2 Others See MODEL 1832 DISPLAY UNIT 1 Range scale nm Range Range interval and no of Rings 0 125 0 0625 2 0 25 0 125 4 0 75 0 25 3 1 0 25 4 1 5 0 5 3 2 0 5 4 3 1 3 4 1 4 6 2 3 8 2 4 12 3 4 16 4 4 24 6 4 36 12 3 48 12 4 2 Compass safe distance Sra tan compas Display uni 3 Others See MODEL 1832 vi MODEL 1942 SPECIFICATIONS ANTENNA UNIT Radiator Slotted waveguide array 2 Radiator length 120 cm 3 Horizontal beamwidth 1 92 4 Ve
24. after acquisition indicating the target s motion trend If the target 1s con sistently detected for three minutes the plot symbol changes to a solid mark If acquisi tion fails the target symbol blinks and disap pears shortly _ SQUARE dotted Immediately after acquisition Plot symbol shown in broken lines SQUARE dotted with a vector One minute after acquisition Vector still un reliable cf CIRCLE Solid with a vector 3 minutes after acquisition Plot symbol changes to a solid circle indicating the stable tracking condition LARGE CIRCLE The plot symbol of a target under tracking becomes twice as large as the normal symbol when the target is selected for data reading Note 1 The target to be acquired should be within 0 2 to 16 nm from own ship and not obscured by sea or rain clutter for successful acquisition Note 2 When you want to acquire 11th target cancel tracking one of less important targets Note 3 When auto acquisition mode Auto ACQ is on up to 5 targets can be acquired For detail see next section titled Automatic Acquisition A WARNING When a tracked target nears another tracked target the targets may be swapped When two targets come close to each other one of the two can become a lost target Should this happen reacquisition of the lost target is required after the two targets have separated Automatic Acquisition The Auto plotter ARP 10 can acquire up
25. antenna housing cover from the antenna housing by loosening four fixing bolts The antenna housing cover fitted with the transceiver module can be stored in a convenient place until the wiring to the an tenna unit is done 3 Place the antenna housing on the mount ing platform and orient it as shown in Fig ure 6 11 Ship s bow p gt Ship s bow Figure 6 11 How to orient the antenna unit 4 Insert four M12 x 60 hex head bolts with the seal washers from inside the antenna housing to prevent the bolts from contact ing the transceiver module Install the seal washer with the larger diameter next to the head of the bolt Coat flat and spring wash ers and nuts and then use them to fasten the antenna housing to the mounting plat form Finally coat exposed parts of nuts bolts and flat and spring washers as shown in Figure 6 12 Note Tighten the bolts by their nuts to pre vent damage to the seal washer Do not turn the bolts to secure the antenna housing Hex head bolt M12 x 60 Seal washer N gr A Sili LP icone Flat washer sealant Spring washer Hex head nut Scanner housing Figure 6 12 How to mount the antenna housing 28 Connections Only the signal cable runs from the display unit to the antenna unit Make the hole for passing the cable through the bulkhead or deck at least 20 millimeters diameter In order to minimize the chance of picking up electrical interference
26. broadcast receiver amplifying the signals received The proper setting is such that the background noise is just visible on the screen If you set up for too little sensitivity weak echoes may be missed On the other hand excessive sensitivity yields too much background noise strong tar gets may be missed because of the poor con trast between desired echoes and the background noise on the display To adjust receiver sensitivity transmit on long range and adjust the GAIN control so back ground noise is just visible on the screen 2 9 Adjusting the A C SEA Control reducing sea clutter Echoes from waves can be troublesome cover ing the central part of the display with random signals known as sea clutter The higher the waves and the higher the scanner above the water the further the clutter will extend Sea clutter appears on the display as many small echoes which might affect radar performance See the left hand figure in Figure 2 4 When sea clutter masks the picture adjust the A C SEA control to reduce the clutter How the A C SEA control works The A C SEA control reduces the amplifica tion of echoes at short ranges where clutter 1s the greatest and progressively increases am plification as the range increases so amplifica tion will be normal at those ranges where there is no sea clutter Adjusting the A C SEA control The proper setting of the A C SEA should be such that the clutter is broken u
27. head screws to fix the ARP 10 Board Front d Spring meer 3 3pos SQ 20 Spacer Pan Head Screw M3 x 8 3pcs ARP 10 Board SPU Board 18P9007 SPU9211 Pull the front panel slightly to fix these screws Input Signal Check Place the radar in transmit condition after con necting the speed and heading sensor Make sure the following items are OK on Self Test menu e SPEED e COURSE e TRIGGER Video Signal Check Make sure the follows on Self Test menu e VIDEO OK e Adjust GAIN A C SEA and A C RAIN so that the readout for FE DATA 1 and 2 are less than 1 000 215412979 ONIS SHI 303 0cX9 SM3H9S 9NIddV ASN SNOISN3WIG 30 SONVYSIOL S31VOIONI di8Vl Z 39NVuV3TD PAYIS 0939430934 1 J10N 761 Z61 ZE81 TOON 23 A IERSE AOddW ELS we ON ao S 1 8MI ddd mn 472 0Bf 8 02x93 AC KY CA 5 SPITE LOU 2 2 TIRT HAN 1H L1 a 2 7 088 ILY AINN _ _ Hum 0014 08 6 S310H DNIXIJ TVNIWH3L GND M3IA WE 9 7 6 0 4era JVI L CABLE ENTRY 216 MEAG gt SHIP S BOW
28. ment This dedication to excellence 1s furthered by our extensive global network of agents and dealers Your radar is designed and constructed to meet the rigorous demands of the marine environ ment However no machine can perform its intended function unless properly installed and maintained Please carefully read and follow the recommended procedures for installation operation and maintenance While this unit can be installed by the purchaser any purchaser who has doubts about his or her technical abilities may wish to have the unit installed by a FURUNO representative or other qualified technician The importance of a through installation can not be overemphasized We would appreciate hearing from you the end user about whether we are achieving our pur poses Thank you for considering and purchasing FURUNO equipment Features Your radar has a large variety of functions all contained in a remarkably small cabinet The main features of the MODEL 1832 1932 1942 are e Traditional FURUNO reliability and qual ity in a compact lightweight and low cost radar Durable brushless antenna motor On screen alphanumeric readout of all op erational information Standard features include EBL Electronic Bearing Line VRM Variable Range Marker Guard Alarm Display Off Center and Echo Trail Watchman feature periodically transmits the radar to check for radar targets which may be entering the alarm
29. setting or se lect SHIFT on the menu OFFCENTER appears at the top right corner of the display when the picture is shifted Cursor Cursor 1 Place cursor where desired 2 Press SHIFT ZOOM key to off center display Figure 2 12 Shifting the picture Cancelling shifted picture Press the F1 A C SEA control again 2 16 Zoom The zoom feature allows you to double the size of the area between your vessel and any loca tion within the current range to take a closer look at an area of interest 1 Select location with the cursor 2 Press and hold down the F1 A C SEA control about two seconds if its function 1 set for ZOOM default setting or select ZOOM on the menu Zoom appears at the top right corner when the ZOOM function is on e N Cursor D Place cursor Press F1 to zoom where desired Figure 2 13 Zoom function Note 1 Zoom is cancelled when range or pre sentation mode is changed Cancelling zoom Press the A C SEA control again 11 3 MENU OPERATION 3 1 Basic Menu Operation The menu mostly contains less often used functions which once preset do not require regular adjustment To open or close the menu press the MENU key You can select items on the menu with the omnipad The complete menu appears on page AP 1 1 Press the MENU key to display the main menu Sel by omnipad amp press ENT 9 EBL SHIFT OFFSET DATA
30. than the width of the radicator will cause only a small blind sec tor but a horizontal spreader or crosstrees in the same horizontal plane as the antenna unit would be a much more serious obstruction you would need to place the antenna unit well above or below it t is rarely possible to place the antenna unit where a completely clear view in all direction is available Thus you should determine the angular width and relative bearing of any shadow sectors for their influence on the radar at the first opportunity after fitting The method of determining blind and shadow sectors appears later in this chapter If you have a radio direction finder on your boat local its antenna clear of the antenna unit to prevent interference to the direction finder A separation of more than two meters is recommended To lessen the chance of picking up electri cal interference avoid where possible rout ing the signal cable near other onboard electrical equipment Also avoid running the cable in parallel with power cables The compass safe distance should be ob served to prevent deviation of the magnetic compass 1832 0 8 m Lim 19242 Do not paint the radome Model 1832 or radiator aperture Model 1932 1942 to ensure proper emission of the radar waves When this radar 1s to be installed on larger vessels consider the following points 1 The signal cable run between the an tenna and the display c
31. the scanner housing surface Radiator bracket Face in stern direction Al Slotted pin Figure 6 16 How to insert slot pins 3 Now 15 time to fix the radiator to the radiator bracket Apply anticorrosive seal ant silicone sealant to hatched areas to prevent corrosion See the figure below Apply silicone sealant into threaded holes on the scanner radiator Remove the cap on the radiator bracket and orient the ra diator bracket as shown in Figure 6 13 Apply grease to the O ring and set 1t to the center of the radiator bracket Coat the ra diator fixing bolts with silicone sealant Fasten the radiator to the radiator bracket with the FURUNO logo on the radiator fac ing ship s bow Groove Waveguide Note Apply anticorrosive sealant to hatched areas antenna radiator bottom view of XN8 type radiator Figure 6 17 How to coat radiator with silicone sealant for XN6 type radiator Scanner radiator Apply silicone sealant into threaded holes Radiator bracket Flat washer Spring washer Hex head bolt M8 x 30 Coat bolts with silicone sealant Note Apply anticorrosive sealant to hached areas antenna bracket for XN12A type radiator Figure 6 18 Fastening the radiator to the radiator bracket 4 Open the antenna housing cover and fix the stay as shown in Figure 6 19 5 One end of the cable with 15 9 and 7 way plugs has already been connecte
32. the radar screen is viewed while the operator is facing in the direction of the bow This makes determination of your position much easier Make sure you allow enough clearance both to get to the connectors behind the unit and to allow you to get your hands in on both sides to loosen or tighten the mount ing knobs Make sure you leave at least a foot or so of service loop of cables be hind the unit so it can be pulled forward for servicing or easy removal of the con nectors The compass safe distance of 0 8 meters standard compass and 0 6 meters steer ing compass should be observed to pre vent deviation of the magnetic compass Even though the display unit meets water proof standard IPX 5 the connection of ex ternal buzzer radar plotter and or remote display can affect waterproofness Water tight integrity cannot be guaranteed When these modification has been done the dis play unit should not be mounted where ex posed 30 Mounting The display unit is designed to be mounted on a tabletop or bulkhead 1 Using the hangar as a template mark screw locations in the mounting location 2 Fix the hanger to the mounting location with five M6 tapping screws supplied 3 Fit the knob bolts to the display unit In stall the display unit in the hunger Tighten the knob bolts securely Connections 1 Connect the power cable to the power cable connector on the rear of the display unit 2 Conne
33. to 5 targets automatically by setting the Auto Ac quisition area predefined in the system If Auto ACQ is selected after more than 5 targets have been manually acquired only the remaining capacity of targets can be automatically ac quired Example when 7 targets acquired manually then the Auto ACQ is switched on only 3 targets can be acquire automatically When five targets have been automatically acquired AUTO TARGET FULL message appears at top left corner on the display Setting Auto Acquisition Area Auto acquisition area is predefined between 2 0 and 2 5 nm in range and 45 on either side of the heading line in bearing If a target come into this area it is acquired automatically AP 5 Figure AP 4 Auto acquisition area Follow the steps shown below to activate the auto acquisition area 1 Open the ARP 10 MENU 2 Select 8 Auto ACQ by operating the omnipad 3 Operate the omnipad to select On 4 Press the ACQ ENTER key 5 Press the MENU key to close the menu Terminating Tracking of Targets When the Auto Plotter has acquired 10 tar gets no more acquisition occurs unless tar gets are lost Should this happen cancel tracking of individual targets or all targets by the procedure described below Individual Targets Place the cursor on a target which you do not want to be tracked any longer by operat ing the omnipad and press and hold down the SELECT CANCEL key All Targets All
34. zone e Ship s position in latitude and longitude and Loran C Time Differences range and bear ing to a waypoint and ship s speed head ing course can be shown in the bottom text area Requires a navigation aid which can output such data in 1162 format Zoom feature provided TABLE OF CONTENTS FOREWORD asiain aei ii SPECIFICATIONS V EQUIPMENT LIST viii CONFIGURATION OF MODEL 1832 1932 1942 X 1 PRINCIPLE OF OPERATION 1 1l a 1 1 2 How Ships Determined Position Before 1 1 3 How Radar Determines Range 1 1 4 How Radar Determines Bearing 1 1 5 Radar Wave Speed and Antenna Rota HOM S DEO o sso in eset b 1 1 6 The Radar Display 1 2 BASIC OPERATION 3 2 1 Control Description 3 2 2 Display Indications and Markers 4 2 3 Turning the Radar On and 5 24 Transm UTE a d tits 5 2 5 LANDY SO 5 2 6 Selecting the Range 6 2 7 Adjusting Picture Brilliance 6 2 8 Adjusting Receiver Sensitivity 6 2 9 Adjusting the A C SEA Control reduc Ine sea elutter KS 6 2 10 Adjusting the A C RAIN Control reducing rain clutter 7 2 11 Erasing the Heading Line North Mark
35. 281 P1 MOTOR O gt 1 gt lt b amp SKIYW S dIHS lt SNIVM 5 gIN5 2 ISNIYN 5 9105 1 LS SNTTM 5 4105 49 tecir 9158 _ _ 1 lt HOTORC 4 lt Or 15 lt 0 J1 gt 4 lt 2 gt 3 gt lt 3 lt 320 f2Y 4 gt d 4 lt MN aas gt lt SE S158 XH 12v gt ANT Su OCC gt gt 5 J HOTOR gt 2 gt 2 lt OTURC 2 911352 6 4204 1 TALH gt 22 gt gt 9 RXi_HH C gt EX1_C RX2 H 5 RX2 H RX2 C RX2 C TRIGGER gt T S TRIGGER M8S L 8 5 HBS L TUNING CONT 1 gt PL_B CAFC SEA gt 9 gt SEA m PP X o A gt m e J184 3 TUNING CONT gt PL PL TUNING IND gt viDEO gt RAIN GNO gt EXT TRIGE 45V 20 D EXT TRIGCHSV DCC gt 931118 1X1 t gt QN9 gt 2 gt MO gt 3 Y 17 JHS EA 683 Lo EXT ALARM YYYYY to 0 1800 WW SHS 458 38ir YYYYYYYY to SLAVE Y V JH 489 soir KV 3 E1 a lt a 9 3 58 3 E CRT 4 lt 5 lt Y STNC lt GND See G V SYNC G LA RAIN6 GAINS lt H SYNC
36. C Spring Washer IMi2sus34 a Siwa Pn fioxassus 0086690 2 Spare Parts SP03 12200 OL AR NM For 24 32 VDC FGBO 10A 125 000 549 065 da z ME Label 5A 03 129 1512 0 100 248 780 For 24 32 VDC Accessories FP03 06400 Name Code No Qty Remarks Tapping Screw 6x20 SUS304 000 800 084 5 2 Hood Assy FP03 04810 008 441 400 1 CONFIGURATION OF MODEL 1832 1932 1942 Antenna Unit EB FURUNO Q 2 0 S 1832 1932 1942 Remote Display FMD 81 1 1800 Display Unit RDP 118 External Alarm Buzzer OP03 21 Equivalent to NMEA 0183 4 4 RON PT RU 3423 1 932 1 942 Local Supply ES e 12 24 32 VDC 115 230 VAC Note Even though the display unit meets waterproof standard IP X 5 the connection of external buzzer radar plotter and or remote display can affect waterproofness Watertight integrity cannot be guaranteed When these modification has been done the display unit should not be mounted where exposed 1 PRINCIPLE OF OPERATION 1 1 What is Radar The term RADAR is an acronym meaning RAdio Detection And Ranging Although the basic principles of radar were developed dur ing World War II echoes as an aid to naviga tion 15 not a new development
37. CQ ENTER key 5 Press the MENU key to close the menu 3 12 Suppressing Noise Electrical noise can be suppressed by turning on 8 NOISE REJ on the OTHERS menu 3 13 Adjusting Brilliance of Markers 2 Mark Brill on the OTHER menu adjusts the brilliance of markers such as the cursor 3 14 Outputting Target Position Target position data can be output to the navaid in IEC 1162 format Press and hold down the TLL key to output the data This function requires position data and heading signal 19 4 FALSE ECHOES Occasionally false echoes appear on the screen at positions where there is no target In some cases the effects can be reduced or eliminated The operator should familiarize himself or her self with the appearance and effects of these false echoes so as not to confuse them with echoes from legitimate contacts 4 1 Multiple Echoes Multiple echoes occur when a short range strong echo 15 received from a ship bridge or breakwater A second a third or more echoes may be observed on the display at double triple or other multiples of the actual range of the tar get as shown in Figure 4 1 Multiple reflection echoes can be reduced and often removed by decreasing the sensitivity or properly adjusting the A C SEA True echo _ Own ship Multiple echo Figure 4 1 Multiple echoes 4 2 Side lobe Echoes Every time the antenna rotates some rad
38. Change brill from 3 to max ECHO ECHO TRAIL TRTCH ARP 10 OTHER MENO Figure 3 1 Main menu 2 Press the omnipad to select the item For example select RINGS A message appears at the bottom of the menu window 3 Press the ACQ ENTER key to select set ting Each time this key is pressed the message changes For the RINGS menu the message sequence is as shown below Change brill from Off to 1 Change brill from 1 to 2 Change brill from 2 to 3 Change brill from 3 to max Change brill from max to Off Figure 3 2 Messages for RINGS menu 4 Press the MENU key to close the menu 12 3 2 Selecting the Presentation Mode This radar provides four presentation modes head up course up north up and true motion 1 Press the MENU key 2 Operate the omnipad to select MODE 3 Press the ACQ ENTER key With heading sensor connection the display and the display mode indication at the top left hand corner of the display change in the se quence of HU heading up CU course up NU north up and TM true motion when the ACQ ENTER key is pressed If there is no heading sensor connection the display mode is always HU 4 Press the MENU key to close the menu Note The radar begins operation with last se lected display mode except course up when ever the unit is turned on Note however that head up is selected when course up was the last used mode Hea
39. ER key 2 Select 17 Guard Mode and In alarm on target entering zone or Out alarm on target exiting zone by operating the omnipad 3 Press the ACQ ENTER key 4 Press the MENU key to close the menu To set a guard zone 1 Mentally create the guard zone you want to set 2 Operate the omnipad to set the cursor on point A or B Press the GUARD key IN or G OUT with asterisk blink ing appears at the top right hand corner of the display See Figure 3 8 2 The aster isk indicates the guard zone 16 partially set 3 Operate the omnipad to set the cursor on point C or D See Figure 3 8 3 4 Press the GUARD key The asterisk dis appears See Figure 3 8 4 15 Asterisk blinking Guard zone to set Drag cursor here 1 Mentally create the guard zone to set 2 Drag cursor to top left corner of zone and press GUARD Drag cursor here 3 Drag cursor to bottom right corner of zone and press GUARD 4 Guard zone completed Figure 3 8 How to set the guard zone Silencing the audible alarm Any radar targets violating the guard zone will trigger the audible alarm You can silence the audible alarm by pressing the GUARD key When this is done G ACKN replaces G IN This means the alarm is acknowledgrd Press the key again to reacti vate the alarm Cancelling the guard zone and guard alarm Press and hold dow
40. FURUNO OPERATOR S MANUAL MARINE RADAR MODEL MODEL 1832 1932 1942 p FURUNO ELECTRIC CO LTD NISHINOMIYA JAPAN FURUNO ELECTRIC CO LTD 9 52 Ashihara cho Nishinomiya Japan Telephone 0798 65 2111 Telefax 0798 65 4200 Printed in Japan epee AE E EE E E E E E OE PUB No OME 34410 HIMA MODEL1832 1932 1942 Your Local Agent Dealer FIRST EDITION JAN 1997 P OCT 17 2001 NONN A 00080788 700 OMES4410PQ0 SAFETY INSTRUCTIONS DANGER WARNING and CAUTION notices appear throughout this manual It is the responsibility of the operator and the installer of the equipment to read understand and follow these notices If you have any questions regarding these safety instructions please contact a FURUNO agent or dealer A WARNING AZT Do not open the equipment Hazardous voltage which can cause electrical shock burn or serious injury exists inside the equipment Only qualified personnel should work inside the equipment Wear a safety belt and hard hat when working on the antenna unit Serious injury or death can result if someone falls from the radar antenna mast Stay away from transmitting antenna The radar antenna emits mi crowave radiation which can be harmful to the human body particularly the eyes Never look directly into the antenna radiator from a distance of less than 1 m when the radar is in operation Turn off the radar power
41. LIP BA lt lt ONAS H Sl une 26 IK ND L gt JA ao SE 2m A VVE AHS 459 dSHN 6 ug 0980 43 or Ll E 03QIA d0 gt 8 5r AZ9Z gt gt 5 i 9191 40 gt 9 L fmg GND 5 g gt NM9 d d9 S p gt H TJA QNO l 980 P EHRLD HA OH NAL gt z 038 ent T PH IS _ ND 3 upsgzeggo AV S10 300 X vvi73us aga d8HN ed sor ex j T 1N09 9NINTL gt gi gt H lt 9 lt 1N09 9NINI1 03014 gt NEM i gt lt o3diA qo nol n TI 522 NE 9N i g gt N gt 6 gt t 9 24 gt p S D MMB 4 ox i oy gt eA y OND gt viel GND ASH DINL 1X3 9 2XL gt z nauz 58IOY3N MEM e lt FX gt po in ur 22 8939 ON 9 1 Kr lt VS 9 0 U MOI S 001 090 zl00sasoven aa T 888 gt g 9 k H K e lt i SW ddS9Y N wo 001 6000ddS9yrm 1 99 _ ON gt yo i 1 lt lt NIV 0 V WG 080 000 Jd59 V W Ns ON z i am uc 3uvds 09 gt 9 gt 0001 84 1 MI 9NINOLI gt p LLLI fas Lit gi lt j ONI ONINNL ON gt 6 gt HOSN3S 9N1V3H deiHN fie ONT gt FD WOE p Beane E MO Simp INO 103135 ERE U010W gt
42. NG Before transmitting the radar make sure no one is near the antenna unit to pre vent the potential risk of being struck by the rotating antenna and exposure to RF radiation hazard 2 On the Installation setup menu select 8 Tune Video Adjustment and press the ACQ ENTER key 3 The unit automatically adjusts displaying the following message Tune Video Auto Adjustment Now under correction Return to illustration setup menu after the correction Entering antenna height The STC curve changes with respect to an tenna height above the waterline Enter an tenna height above the waterline to optimize the STC curve 1 Select 12 Antenna Height on the instal lation setup menu and press the ACQ EN TER key 2 Operate the omnipad to select antenna height above the waterline Low 3 Mid 3 6 m or High 6 10 m 3 Press the ACQ ENTER key Aligning heading Adjustment sector 0 359 90 You have mounted the antenna unit facing straight ahead in the direction of the bow Therefore a small but conspicuous target dead ahead visually should appear on the heading line zero degrees In practice you will probably observe some small error on the display because of the dif ficulty in achieving accurate initial position ing of the antenna unit The following adjustment will compensate for this error 1 Identify a suitable target for example ship or buoy at a range between 0 125 t
43. ON 25 6 1 Antenna Unit Installation 22 6 2 Display Unit Installation 30 6 3 Exchange of Fuse for 24 32V Power SUDD 32 6 4 Checking the Installation 32 6 5 Adjustments 32 MENU TREE AP 1 ARP 10 OPTION AP 2 Declaration of Conformity MODEL 1832 SPECIFICATIONS ANTENNA UNIT Radiator Printed array 2 Radiator length 60 cm 3 Horizontal beamwidth 3 92 4 Vertical beamwidth 20 5 Sidelobe Within 20 of mainlobe less than 18 dB Outside 20 of mainlobe less than 23 dB Polarization Horizontal 7 Antenna rotation speed 24 rpm CO Wind resistance Relative wind speed 100 knots 51 5 m s TRANSCEIVER MODULE contained in radome 1 Transmitting tube MG5248 E3571 or MAF1421B 2 Frequency 9410 MHz 30 MHz 3 Peak output power 4 kW nominal 4 Pulselength amp pulse repetition rate 0 08 us 2100 Hz 0 125 0 25 0 5 0 75 1 5 0 3 us 1200 Hz 1 5 2 3 0 8 us 600Hz 3 4 6 8 12 16 24 36 5 Warmup time 1 30 6 Modulator FET switching method TLE 60 MHz 8 Tuning 3Automatic or manual 9 Receiver front end MIC Microwave IC 10 Bandwidth Tx pulselength 0 3 us and 0 08 us 25 MHz Tx pulselength 0 8 us 3 MHz 11 Duplexer Circulator with diode l
44. PA TCPA alarm ranges 1 Open the ARP 10 MENU 2 On the CPA Set line select a CPA limit desired Off 0 5 1 2 3 5 6 nm 3 Press ACQ ENTER key AP 7 4 Onthe TCPA Set line select a TCPA limit desired 30s 1 2 3 4 5 6 12M 5 Press the ACQ ENTER key 6 Press the MENU key to close the menu The flashing of the triangle plot symbol and vector remain on the screen until the danger ous situation is no longer present or you in tentionally terminate tracking of the target by using the SELECT CANCEL key Lost Target Alarm When the system detects a loss of a tracked target the target symbol becomes a flashing diamond Installation of ARP 10 Necessary Parts ARP 10 000 086 852 ARP 10 Board 18 9007 008 476 930 000 864 204 Spring Washer 3 C519IW Pan Head Screw M3x8 C2700W 000 88 1 404 Pan Head Screw ss SWRM10 000 805 774 3 w washer Not used Mounting For technician only 1 Remove the cover from the display unit as follows D Unscrew four binding screws M4 x 10 2 Unfasten six binding screws M3 x 10 3 Remove three rubber covers to loosen three hex nuts 4 Loosen two hex nuts 2 Attach the ARP 10 Board to the right hand chassis of the display unit using the spacer supplied as follows 1 Fasten three spacers tightly 2 Attach the P107 connector on ARP 10 Board to J107 connector on SPU Board 3 Tighten three pan
45. adar interference Four levels of interference are available in cluding off IR1 IR2 IR3 and OFF IR3 pro vides the highest level of rejection 1 Press the MENU key 2 Select OTHER MENU and press the ACQ ENTER key OTHERS Select item by omnipad and press ENTER key Panel Dimmer 1 Mark Brill 1 HD Mark 1 Characters 1 Trail Tone Int Reject Off Pulselength Short Noise Reject Trail Time 155 eM Tune uto Disp Data Off WPT Mark Off EBL Ref VRM Unit Watchman STBY Disp Guard Mode Own Position Cursor Posi Alm sense LV Dead Sector Range amp v E Off _ RON Mid On 8 1 E Self Test Installation Setup RE 2 2 2 2 Multi On 30S 15M Manu Nav On True km 5M Econo Out TD MS r 1M 30M ARP sm 10M 20M Nav 6 Figure 3 6 OTHER MENU 3 Select 6 IntReject 4 Select level desired by operating the omnipad 5 Press the ACQ ENTER key 6 Press the MENU key to close the menu IR and level selected appears at the bottom right corner on the display when the interfer ence rejection circuit is turned on 3 6 Selecting Pulsewidth Pulsewidth is the transmission time of a single radar pulse The longer the pulsewidth the greater the direction range capability however range accuracy and range resolution are re duced Puls
46. and telecommunications terminal equipment R amp TTE Directive and satisfies all the technical regulations applicable to the product within this Directive EN 60945 1997 01 IEC 60945 Third edition 1996 11 KSR 142 Annex 1 title and or number and date of issue of the standard s or other normative document s For assessment see e Statement of Opinion 00214141 AA 00 of 19 December 2000 issued by KTL Certification The Netherlands Test report 96328900 of 8 April 1997 and 96328901 of 8 April 1997 prepared by Telefication The Netherlands On behalf of Furuno Electric Co Ltd Hiroaki Komatsu Nishinomiya City Japan Manager January 12 2001 International Rules and Regulations Place and date of issue name and signature or equivalent marking of authorized person
47. and by the VRM Variable Range Marker By range ring Count the number of rings between the center of the display and the target Check the range ring interval and judge the distance of the echo from the inner edge of the nearest ring By cursor Operate the omnipad to place the cursor inter section on the inside edge of the target echo The range to the target as well as the bearing appears at the bottom of the display By VRM 1 Press the EBL VRM SELECT key to cir cumscribe a VRM readout at the bottom right hand corner Each press of the key selects the readout of EBL1 EBL2 VRM1 or VRM2 in that order Figure 2 7 Display bottom showing location of EBL and VRM readouts 2 Press the EBL VRM CONTROL key to enable control of the VRM by the omnipad 3 Operate the omnipad to place the outside edge of the VRM on the inside edge of the target 4 Check the VRM readout at the bottom right hand corner of the display to find the range to the target 5 To anchor the VRM press the EBL VRM CONTROL key To erase the VRM press and hold down the EBL VRM CONTROL key about two sec onds Range 6 0 NM Range ring 2 0 interval Target Cursor oum m VRM1 VRM range Z lt 4 4 0 NM 3 0 VRM2 range Cursor range Figure 2 8 Measuring range by the cursor range rings and VRM Note You can display the range readout of the VRM and cursor in nautical
48. ct the signal cable to connector DJ 1 on the rear of the display unit 3 Run a ground wire local supply between the ground terminal on the rear of the dis play unit and the ship s superstructure Navigation aid video sounder con nection If your navigation aid can output data in IEC1162 NMEA 0183 data format your vessel s position in latitude and longitude the range and bearing to waypoint speed and course may be input to this radar and be seen on the screen Further if your video sounder can output depth in IECI162 NMEA 0183 data format depth can be displayed on the radar screen You will need an NMEA cable Type Code no Remarks MJ A6SPF0012 050 000 134 424 6P 6P 5m MJ A6SPF0012 100 000 133 817 6P 6P 10m MJ A6SPFO0003 050 000 117 603 w connector MJ A6SPFO009 100 000 125 236 w connector This radar can output NAV data received from a navaid to an echosounder SPU9211 INT9213 Ea pi e sounder J1354 1832 1932 1942 J1352 NMEA ee TLL Heading Sensor Connection Heading signal can be connected to the HDG connector Type Code no Remarks MJ A6SPF0007 100 000 125 237 6P 6P 10m MJ A6SPF0009 100 000 125 236 w connector 10m MJ A6SPF0003 050 000 117 603 w connector 5m Input Output Data List 6 lmow mcm xwea 6 _ po lasaole ios ceno ovr fisas 6 lmow cmo pere masaole ios
49. d When the elapsed time clock counts up to 60 seconds the elapsed time display freezes at 60 but the latest one minute of trail are erased and then trail continuous 13 Continuous trail The maximum continuous trail time 1s 99 min utes and 59 seconds When the elapsed time clock counts up to that time the elapsed time display is reset to zero and trail begins again Cancelling echo trail Select OFF deactivate at ECHO TRAIL on the menu Changing trail attributes Trail gradation and trail time can be selected on the OTHERS menu Table 3 1 Trailing attributes Description Trails can be shown in single or multiple gradations Multiple paints trails getting thinner with time just like the afterglow on an analog PPI radar Single Multiple Trail time can be set for 15 sec 30 sec 1 min 3 min 6 min 15 min 30 min or continuous Trail Time 3 5 Suppressing Radar Interference Radar interference may occur when near an other shipborne radar operating in the same frequency band as your radar Its on screen appearance is many bright dots either scat tered at random or in the form of dotted lines extending from the center to the edge of the display Figure 3 5 illustrates interference in the from of curved spokes Interference ef fects are distinguishable form normal echoes because they do not appear in the same place on successive rotations of the antenna 14 Figure 3 5 R
50. d to RTB 9100 inside the scanner housing Mate the 15 and 9 way plugs with jacks J812 and J811 on the transceiver module respectively Connect the 7 way plug to Jack J701 on the MP Board Secure the cable between RTB 9100 and J701 with the cable tie as shown in Figure 6 19 Cable tie J812 J811 otay MP Board Fasten ground wire here Figure 6 19 Antenna unit cover opened 6 Fasten the ground wire black of the sig nal cable to the chassis as shown in Figure 6 19 7 Loosely fasten the antenna housing cover You will tighten the fixing bolts after con firming magnetron heater voltage 29 6 2 Display Unit Installation Mounting considerations When selecting a mounting location for the display unit keep in mind the following points Even though the display unit is waterproof it is recommended that the display unit must be mounted inside an enclosed cabi net Provide adequate space behind and around the unit to permit circulation of air and to provide convenient access to the rear con nectors Even though the picture is quite legible even in bright sunlight keep the display unit out of direct sunlight or at least shaded because of heat that can build up inside the cabinet Locate the display unit in a position where you can view and operate it conveniently but where there is no danger of salt or fresh water spray or immersion The orientation of the display unit should be so
51. d up The picture is oriented so the heading line is at the top of the display This mode is useful for navigation in congested waters Course up The course up mode shows ship s heading by the heading line at the top of the display To get heading desired steer vessel in direction desired and then show CU at the top left hand corner of the display North up North is at the top of the display and the head ing line moves with ship s heading This mode is useful for determining ship s position and as a navigation monitor on a nautical chart The picture is stabilized against yaw of ves sel thereby reducing of target echoes True motion True motion displays own ship and moving objects in their true motion 3 3 Magnifying Long Range Echoes echo stretch Normally the reflected echoes from long range targets appear on the display as weaker and smaller blips even though they are com pensated by the radar s internal circuitry The echo stretch function magnifies these small blips in all ranges Two types of echo stretch are available ESI which stretches echoes in bearing direction and ES2 which stretches them in both range and bearing directions To turn the echo stretch on or off 1 Press the MENU key to open the menu 2 Select ES 3 Each press the ACQ ENTER key changes the echo stretch function in the sequence of ESI ES2 and OFF ES1 or ES2 appears at the top right hand corner of the display
52. dy then call for Radome cover 1832 Check for wear Permanent damage to the antenna s internal circuitry will result if water leaks into the radome hammer Crack on the unit may cause water ingress causing serious damages to internal If a crack is found it should be temporarily repaired by using a small amount of sealing compound or adhesive You should then contact your dealer for service 6 months Display unit Check for tight connection and If corroded contact your dealer to 1 year connectors corrosion for replacement 22 5 3 Troubleshooting Table 5 2 contains simple troubleshooting pro cedures which you can follow to try to restore normal operation If you cannot restore normal operation do not attempt to check inside any unit of the radar system Any repair work 1s best left to a qualified technician Table 5 2 Troubleshooting table you pressed the the control panel try adjusting the control panel back POWER key to does not light lighting on the OTHERS menu turn on the radar battery may have discharged check fuse in power cable nothing appears on try adjusting the brilliance the display or display contrast is poor characters are request service distorted the radar has the antenna does the problem may be in antenna unit warmed up and you rotate Request service ressed the STBY TX key to characters and have a qualified technician check the transmi
53. ewidth can be selected to short or long on the 1 5 and 3 nautical mile ranges 1 Press the MENU key 2 Select OTHER MENU and press the ACQ ENTER key 3 Select 7 Pulselength 4 Select Short or Long by pressing the omnipad 5 Press the ACQ ENTER key to select 6 Press the MENU key to close the menu 3 7 Guard Alarm The guard alarm allows the operator to set the desired range and bearing for a guard zone When ships islands landmasses etc violate the guard zone an audible alarm sounds and the offending target brinks to call the operator s attention Selection of guard zone type The guard alarm can be set to sound when a target either enters or exits the guard zone You can select which type of guard alarm you want through the menu In alarm The alarm sounds on targets entering the guard zone G IN appears at the top right hand corner when the In alarm is selected Out alarm The alarm sounds on targets exiting the guard zone OUT appears at the top right hand corner when the Out alarm is selected 7 Dashed alarm 7 1 1 k a 2 2 x ZONE om 4 y IN ALARM OUT ALARM Figure 3 7 In and Out alarm Setting a guard zone Preparation 1 Press the MENU key and then select OTHER MENU and pressing the ACQ ENT
54. fferent bearing from the previous one Therefore if one knows the di rection in which the signal 1s sent out one knows the direction from which the echo must return 1 5 Radar Wave Speed and Antenna Rotation Speed Note that the speed of the radar waves out to the target and back again as echoes 1s extremely fast compared to the speed of rotation of the antenna By the time radar echoes have returned to the scanner the amount of scanner rotation after initial transmission of the radar pulse 1s extremely small 1 6 The Radar Display The range and bearing of a target 1s displayed on what is called a Plan Position Indicator PPI This display is essentially a polar diagram with the transmitting ship s position at the center Images of target echoes are received and dis played at their relative bearings and at their distance from the PPI center With a continuous display of the images of tar gets the motion of the transmitting ship is also displayed Heading line Targets Range and bearing of a target relative to own ship are readable on the PPI radar in center A Bird s eye view of situation B Radar picture of A Figure 1 1 How radar works 2 1 Control Description Brief press Displays the data of target selected with the cursor Long press Terminates plotting of the target selected with the cursor Opens closes menus Selects EBL1 EBL2 VRM1 VRM2 Control Adjusts sensitivity
55. gets Figure 2 5 shows the appearance of rain clutter on the dis play Adjusting A C RAIN When rain clutter masks echoes adjust the A C RAIN control This control splits up these unwanted echoes into a speckled pattern mak ing recognition of solid targets easier Appearance of rain clutter A C RAIN control adjusted rain clutter suppressed Figure 2 5 Effect of RAIN Note In addition to reducing clutter the A C RAIN control can be used in fine weather to clarify the picture when navigating in confined waters However with the cir cuit activated the receiver is less sensi tive Therefore turn off the circuit when its function is not required Automatic adjustments of A C SEA and A C RAIN Push the A C AUTO key A C AUTO ap pears at the bottom left hand corner of the dis play when the A C AUTO circuit is on You can fine tune by adjusting the A C SEA A C RAIN and GAIN controls 2 11 Erasing the Heading Line North Mark The heading line or north mark available with gyrocompass connection may occasionally mask a target To view the target you can tem porarily erase the heading line and north mark by pressing and holding down the GAIN HM control Release the control to re display the marks Heading line North mark Figure 2 6 Heading line and north mark 2 12 Measuring the Range You can measure the range to a target three ways by the range rings by the cursor
56. gt 8 XNd X xa lt 4 lt YO LON YO z Wd ne 5 g g 7007 0 1 i g gt i na uc lt dH VINOS gt bg IM 001 80004asoveN S3153ANO0 Q YOLON gt gt 19 1HM CY 7 lt ESEI 3459 00 7000ddS9yrW SNC za v d a H ue 6 lt 798 30H 1 UG 090 000 445 9 NM EIS n 1 i ND gt ICA AE N gt gt 1 1 I gt y gt ii NYO a i lt EL NI ME _ dgHA 228 i I 1 2 ML 1 7 775810 3 E gt z 14 l 1 N gt IH n4 k AVN E OL 001 080 21004489 VN S g Vd 8 So m8 4 3 1 L lt 8 V4 SEII 59 w1 001 6000JdsgyrW 5 1 4 gt L dd 467 1 lt Y T d Ix WG 0S0 0004dS9 Vn W DA 9 nua c mnm AgI gt 8 gt 8 2 91 lt AZI 01140 7u09 08 AZ1 gt Y gt 9 NUD IHM XO dz lt vi lt Az1 9 ezpe ny 21 OVA 062 022 gt e gt 8 03N IHW lt oz 811 011 001 Nei 2 U NUB IHM
57. h any length of signal cable Therefore no adjustment is required However verify heater voltage by following the procedure below 1 Turn on the radar if it is not already on and set it in stand by 2 Open the antenna housing radome cover Connect a multitester set to 10 V DC range Model Check Point Rating Adjustment point M1832 TP802 4 6 7 4 7 6V R106 PTU Board M1932 803 4 6 on 7 4 lt 7 6V VR801 MD Board M1942 TP803 4 6 on 7 5 7 7V VR801 MD Board 3 Close the antenna housing cover and tighten the fixing bolts 35 MENU TREE RINGS 1 2 3 max EBL OFFSET Off On SHIFT Off On ZOOM Off On MODE HU CU NU TM DISP DATA ECHO TRAIL Off On ECHO STRTCH Off ES1 ES2 ARP 10 MENU OTHER MENU 23 24 H Display All Cancel Vector ref Vector Length History CPA SET TCPA SET AUTO ACQ Panel Dimmer 1 2 3 4 Mark Brill 1 2 3 4 HD Mark 1 2 3 4 Characters 1 2 3 4 Trail Tone Single Multi Int Reject Off 1 2 3 Pulselength Short Long Noise Reject Off On Trail Time 15S 30S 1M 3M 6M 15M 30M Cont Tone Auto Manu Disp Data Off Nav ARP WPT Mark Off On EBL Ref Rel True VRM Unit nm km sm Watchman Off 5M 10M 20M STBY DISP Norm Econo Nav Guard Mode In Out
58. he plugs at the rear of the display unit are tightly fastened LI The fuse in the power cable is 10A 12V or 5A 24V 32V DC 32 6 5 Adjustments This section covers adjustment of the radar after installation You will need to adjust tune video amplifier level input enter antenna height align heading adjust sweep timing adjust main bang suppression setting a blanking area and confirm magnetron heater voltage These adjustments are done through the radar install menus Preparation 1 Turn off the radar While pressing and hold ing down the GAIN control at least three seconds press the POWER key 2 Press the MENU key and select OTH ERS by using the omnipad and pressing ACQ ENTER key 3 Select 24 Installation setup 4 Press the ACQ ENTER key to open the installation setup menu Installation Setup Select item by omnipad and ress ENTER key Ell Nav Talker GPS Depth Unit m fa Temp Unit F Hdg Sensor Gyro Key Beep Ant on Tx Stop 180 180 Tuned Video Auto Adjustment Heading Alignment Sweep Timing Adjustment MBS Adjustment Ant Height Low STC Curve Ope Mode Hours in Use 000001 5H Tx Hours 000000 0H Dead Sector Figure 6 21 Installation setup menu Adjusting tune video Do the following to adjust tune and video am plifier level input 1 Press the ST BY TX key to transmit A WARNI
59. iation escapes on each side of the beam called side lobes If a target exists where it can be detected by the side lobes as well as the main lobe the side lobe echoes may be repre 20 sented on both sides of the true echo at the same range as shown in Figure 4 2 Side lobes show usually only at short ranges and from strong tar gets They can be reduced through careful re duction of the sensitivity or proper adjustment of the A C SEA True echo Side lobe Sprious target Antenna Figure 4 2 Side lobe echoes 4 3 Indirect Echoes Indirect echoes may be returned from either a passing ship or returned from a reflecting sur face on your own ship for example a stack In both cases the echo will return from a legiti mate contact to the antenna by the same indi rect path The echo will appear on the same bearing of the reflected surface but at the same range as the direct echo Figure 4 3 illustrates the effect of an indirect echo Indirect echoes may be recognized as follows they usually occur in a shadow sector they appear on the bearing of the obstruc tion but at the range of the legitimate con tact when plotted their movements are usually abnormal and their shapes may indicate they are not direct echoes 4 4 Blind and Shadow Sectors Funnels stacks masts or derricks in the path of antenna may reduce the intensity of the ra dar beam If the angle subtended at the antenna is more
60. imiter DISPLAY UNIT 1 Indication system PPI raster scan 2 Display 10 inch rectangular monochrome CRT 3 Range scale nm Range Range interval and no of Rings 0 125 0 0625 2 0 25 0 125 4 0 75 0 25 3 1 0 25 4 1 5 0 5 3 2 0 5 4 3 1 3 4 1 4 6 2 3 8 2 4 12 3 4 16 4 4 24 6 4 36 12 3 4 4 Bearing resolution 5 Bearing accuracy Within 1 6 Range discrimination Better than 20 m 7 Range ring accuracy 0 9 96 or range in use or 8 m whichever is larger 8 Minimum range Better than 25 m 9 Markers Heading line Bearing scale Range ring VRM 1 2 EBL 1 2 Tuning indicator Cursor Alarm zone North mark heading sensor input required 10 Alphanumeric indication Range Range ring interval Pulselength SP MP LP Display mode HU CU NU TM Interference rejection IR2 IR3 VRM 1 2 EBL 1 2 Automatic A C SEA A C AUTO Stand by ST B Y Radar alarm G IN G OUT G ACKN Echo stretch ES1 ES2 Range to cursor Bearing to cursor Echo trailing TRAIL Trail time Trail elapsed time Navigation data naviga tion input required heading HDG heading sensor input required 11 Vibration Vibration Total amplitude 5 to 12 5 Hz 1 6 mm 12 to 25 Hz 0 35 mm 25 to 50 Hz 0 10 mm 12 Temperature 25 C to 70 C 15 C to 55 Antenna unit Display unit 13 Humidity Relative humidity 93 or less at 40 C 14
61. lay mode P 12 4 4 7 D 7 Cursor 8 9 2 Guard zone area 15 EBL1 P 9 VRM1 P 8 9 gt SN S SS AUTO P 7 EBL1 bearing P 9 EBL2 bearing P 9 Cursor bearing P 9 Cursor range P 8 Figure 2 2 Display indications Tuning indicator P 6 Echo trail time P 13 Guard Zone P 15 Zoom P 11 Echo Stretch P 13 Off center P 10 EBL2 P 9 Range ring P 8 VRM2 P 8 North mark P 8 Interference rejector P 14 VRM1 range P 8 VRM2 range P 8 2 3 Turning the Radar On Off Press the POWER key to turn the radar on or off The control panel lights and a timer displays the time remaining for warm up of the magne tron the device which produces radar pulses counting down from 1 30 to 0 01 2 4 Transmitting After the power 15 turned on and the magnetron has warmed up STBY Stand By appears at the screen center This means the radar is now fully operational In stand by the radar 1s avail able for use at anytime but no radar waves are being transmitted Press the STBY TX key to transmit When transmitting any echoes from targets appear on the display This radar displays ech oes in eight tones of green according to echo strength SPEED Speed 10 5 TRIP 2 5 Stand by When you won t be using the radar for an e
62. miles statute miles or kilometers For details see the next chapter 2 13 Measuring the Bearing There are two ways to measure the bearing to a target by the cursor and by the EBL Electronic Bearing Line By cursor Operate the omnipad to bisect the target with the cursor intersection The bearing to the tar get appears at the bottom of the display By EBL 1 Press the EBL VRM SELECT key to cir cumscribe an EBL readout at the bottom left hand corner Each press of the key se lects the readout of EBLI EBL2 or VRM2 in that order 2 Press the EBL VRM CONTROL key to enable control of the omnipad 3 Operate the omnipad to bisect the target with the EBL 4 Check the EBL readout at the bottom left hand corner of the display to find the bear ing to the target 5 To anchor the EBL press the EBL VRM CONTROL key To erase the EBL and its readout press and hold down the EBL VRM CONTROL key about two seconds Target Cursor EBL1 EBL2 Cursor Bearing EBL EBL1 bearing 490 0 R EBL1 bearing 13509 40 0 R 4 0 NM Figure 2 9 How to measure bearing by EBL and cursor Note The bearing readout for the EBL and the cursor can be displayed in relative or true bearing true bearing requires heading sensor input For north up and course up display modes the bearing reference is always true For details see the next chapter Tips for measuring bearing Bearing measureme
63. n the GUARD key until the guard zone disappears Notes on the guard alarm The alarm 15 a useful anti collision aid but does not relieve the operator of the respon sibility to also keep a visual lookout for possible collision situations When the radar range is less than one half of the guard zone range the guard zone dis appears and G IN or G OUT ap pears in inverse video If this happens raise to re display the guard zone 16 Atarget echo does not always mean a land mass reef ships or surface objects but can imply returns from sea surface or precipi tation As the level of these returns varies with environment the operator should properly adjust the A C SEA A C RAIN and GAIN to be sure the alarm system does not overlook target echoes 3 8 Watchman The watchman function periodically transmits the radar for minute to check for targets in a guard zone If it finds change in the zone from the previous transmission it sounds the radar continuously This feature is useful when you do not need the radar s function continuously but want to be alerted to radar targets in a spe cific area Tx St by Tx Stby lmn 510or imin 5 100r 20 min 20 min Watchman StartS Figure 3 9 How watchman works How watchman works When the time selected for the watchman rest period has elapsed the radar automatically transmits for one minute to check the condi tion inside the guard zone If there is no
64. netic com pass input CPA Closest Point of Approach is the clos est range a target will approach to own ship Do not mix it with the operator preset CPA alarm limit TCPA is the time to CPA measured with present speeds of own ship and the targets Both CPA and TCPA are automatically cal culated When a target ship has passed clear of own ship the CPA is displayed and the TCPA appears as is counted up to 99 9 min and beyond this it 1s indicated as TCPA gt 99 9 min Mode and length of Vectors True or Relative Vector Target vectors are displayed in relative or true mode Own ship does not have a vector in rela tive mode Vector Length From the ARP 10 MENU Vector Length can be set to 30 seconds 1 3 6 15 or 30 minutes and the selected vector time is indicated on the screen The vector tip shows an estimated position of the target after the selected vector time elapses It can be valuable to extend the vec tor length to evaluate the risk of collision with any target Past position Display The Auto Plotter displays equally time spaced dots maximum 5 dots marking the past po sitions of any targets being tracked If a target changes its speed the spacing will be uneven If it changes the course its plotted course will not be a straight line in TM mode Operational Warnings There are two main situations which cause the Auto plotter to trigger visual and audible alarms e CPA TCPA alarm
65. nit 5 1 Preventative Maintenance Regular maintenance 1 important for good per formance Always keep the equipment as free as possible from dirt dust and water splashes Make sure all screws securing the components are properly tightened A maintenance program should be established and should at least include the items listed in table 5 1 5 2 Replacing the Fuse The fuse in the power cable protects the equip ment against reverse polarity or ship s mains overcurrent and equipment fault If the fuse blows find the cause before replacing it Never use an incorrect fuse serious damage to equip ment may result and void the warranty 12 V 10 A fuse 24 32 V 5 fuse Table 5 1 Recommended maintenance program 3 to 6 months Exposed nuts and bolts on antenna unit corroded Antenna radiator 1932 1942 Check for corroded or loosened nuts and bolts If necessary clean and repaint them thickly Replace them if heavily Check for dirt and cracks on radiator surface Thick dirt should be wiped off with soft cloth dampened with fresh Sealing compound may be used instead of paint Apply a small amount of grease between nuts and bolts for easy removal in future Do not use plastic solvent acetone for cleaning If you need to remove ice from antenna unit use a wooden water If a crack is found apply a hammer or plastic head slight amount of sealing compound or adhesive as a temporary reme
66. nts of smaller targets are more accurate the center of larger target pips is not as easily identified Bearings of stationary or slower moving tar gets are more accurate than bearings of faster moving targets To minimize bearing errors keep echoes in the outer half of the picture by changing the range scale angular difference becomes dif ficult to resolve as a target approaches the center of the display 2 14 Using the Offset EBL The offset EBL provides two functions predict collision course of radar target and measure the range and the bearing between two targets Predicting collision course 1 Press the omnipad to place the cursor on the center of the target 2 Press the EBL VRM SELECT key to choose readout and then press the EBL VRM CONTROL key 3 Select EBL OFFSET on the menu and press the ACQ ENTER key 4 Press the EBL VRM CONTROL key 5 Operate EBL1 so it passes through the cen ter of the target If the target tracks along the EBL towards the center of the display your vessel s position the target may be on a collision course To cancel select EBL OFFSET and press the ACQ ENTER key 6 0 NM EBL 1 origin initial position 2 0 VRM1 of target i Offset EBL Target moved EBL1 EBL VRM EBL1 70 0 R 6 0 NM VRM1 bearing range Figure 2 10 Predicting collision course by using the offset EBL Measuring range and bearing between two targe
67. o 0 25 nautical miles preferably near the head ing mark To lessen error keep echoes in the outer half of the picture by changing the range Also be sure the zoom and off center functions are off 2 Select 9 Heading Alignment on the in stallation setup menu and press the ACQ ENTER key The following message ap pears on the display Heading alignment Set EBL1 to center of target dead ahead and press ENTER Correction 0 0 Figure 6 22 Tune Video Auto Adjustment messages 4 When adjustment is completed the mes sages disappears lt Press MENU for inst setup gt Figure 6 23 Heading alignment message 3 Operate the omnipad to bisect target se lected at step 1 with the heading line 4 Press the ACQ ENTER key 33 5 As a final test move the boat towards a small buoy and confirm that the buoy shows up dead ahead on the radar when it is visually dead ahead Adjusting sweep timing Adjustment range 0 000 4 266nm This adjustment ensures proper radar perfor mance especially on short ranges The radar measures the time required for a transmitted echo to travel to the target and return to the source The received echo appears on the dis play based on this time Thus at the instant the transmitter 1s fired the sweep should start from the center of the display sometimes called sweep origin A trigger pulse generated in the display unit goes to the antenna unit through the signal cable t
68. o trigger the transmitter magnetron The time taken by the signal to travel up to the antenna unit varies depending largely on the length of signal cable During this period the display unit should wait before starting the sweep When the display unit is not ad justed correctly the echoes from a straight local object for example a harbor wall or straight pier will not appear with straight edges namely they will be seen as pushed out or pulled in near the picture center The range of objects will also be incorrectly shown 1 Correct 2 Target pushed 3 Target pushed inward outward Figure 6 24 Examples of improper and correct sweep timing 1 Transmit on the shortest range and confirm that the GAIN and A C SEA controls are properly adjusted 2 Visually select a target which forms straight line harbor wall straight pier 3 Select 10 Sweep Timing Adjustment on the installation setup menu and press the ACQ ENTER key The message appears 34 Sweep Timing Adjustment Use omnipad to straighten target and press ENTER key Correction 0 000 nm lt Press MENU for inst setup gt Figure 6 25 Sweep timing adjustment message 4 Operate the omnipad to straighten the tar get selected at step 2 and then press the ACQ ENTER key Adjusting MBS Adjustment 0 00 0 25 Main bang black hole which appears at the display center on short ranges can be sup pressed as follows 1 Tran
69. omes in lengths of 10 m 15 m 20 m and 30 m What ever length is used it must be unbro ken namely no splicing allowed 2 Deposits and fumes from a funnel or other exhaust vent can adversely affect the aerial performance and hot gases may distort the radiator portion The antenna unit must not be mounted where the temperature 1s more than 70 Mounting Model 1832 Figure 6 1 Typical antenna unit location Unpacking the antenna unit 1 Open the antenna unit packing box care fully 2 Unbolt the four bolts at the base of the ra dome to remove the radome cover 25 Radome cover RAU O eg Figure 6 2 Antenna unit Mounting platform Holes for antenna unit The mounting surface must be parallel with the waterline and provided with five holes whose dimensions are shown in the outline drawing attached at the end of this manual The unit is adjusted so a target echo returned from the bow direction will be shown on the zero degree heading line position on the screen When drilling holes be sure they are parallel with the fore and aft line 3 Prepare a platform of 5 to 10 millimeters in thickness for the antenna unit A mount ing bracket for mounting the antenna unit on a sailboat mast 1s optionally available See the below for details Find the cable entry on the radome base Next position the radome base so the cable entry faces the stern direction This alignment must be as accu
70. on stand by display STBY or navigation data or go into the economy mode Select to display the dead sector 23 Self Test Test keys ROM and RAM check antenna rotation speed and display program no 24 Installation Setup to the installation setup menu 18 3 11 Function Keys The function keys and F2 work like the auto dialing feature of a telephone automati cally executing the function assigned to them The function can be turned off by pressing appropriate function key again Default settings F1 Shift brief press or Zoom long press F2 Ring brillience How to register menu items 1 Press the MENU key 2 Press A C SEA F1 or A C RAIN F2 to open the function menu SETTING FOR F1 KNOB Sel by omnipad amp press ENT 9 Press MENU key to escape EBL OFFSET gt m JJ m C m mg Oc Zr I OQ Ti sm gt o 95 TRAIL TRAIL TRAIL TUNE ON OFF TIME TONE A M Ova 50 gt gt cm s d gt 25 mz rA rz mo m gt 5 2 liza Cn T qmm oz rm 02 mr gt UO Oc C lt Le zz 22 ml 9 Es m lt 2 D ml JO gt zu 5 LENGTH AUTO ACQ J lt Figure 3 11 Function menu 3 Select function desired 4 Press the A
71. ote 2 When Range to Waypoint reaches O 1 nm the WPT mark jumps to dead ahead even though a difference may exist between heading and BRG to WPT Note 3 When cross track error exceeds 1 nm on either side the XTE mark starts blinking 2 6 Selecting the Range The range selected automatically determines the range ring interval the number of range rings pulselength and pulse repetition rate for opti mal detection capability in short to long ranges You can select which ranges and pulselength for 1 5 and 3 mile ranges to use through the menu The range range ring interval and pulselength appear at the top left hand corner of the display To select a range Press the RANGE key The range and range ring interval appear at the top left corner on the display Tips for selecting the range When navigating in or around crowded har bors select a short range to watch for pos sible collision situations If you select a lower range while on open water increase the range occasionally to watch for vessels that may be heading your Way 2 7 Adjusting Picture Brilliance The BRILL key adjusts the brilliance of the radar picture in sixteen levels Press the BRILL key to set the brilliance level The current level momentarily appears on the screen 2 8 Adjusting Receiver Sensitivity The GAIN control adjusts the sensitivity of the receiver It works in precisely the same manner as the volume control of a
72. p into small dots and small targets become distinguishable If the control is set too low targets will be hid den in the clutter while if it 1s set too high both sea clutter and targets will disappear from the display In most cases adjust the control until clutter has disappeared to leeward but a little is still visible windward 1 Confirm that the sensitivity is properly ad usted and then transmit on short range 2 Adjust the A C SEA control so small tar gets are distinguishable but some clutter re mains on the display Sea clutter at A C SEA control adjusted display center sea clutter suppressed Figure 2 4 How to adjust the A C SEA control Tip for adjusting the A C SEA A common mistake is to over adjust the circuit so all the clutter is removed As an example set up for maximum A C SEA You will see how the center of the display becomes dark This dark zone can be dangerous targets may be missed especially if the sensitivity 1s not prop erly adjusted Always leave a little clutter vis ible on the display to be sure weak echoes will not be suppressed If there 1s no clutter visible on the display turn off the circuit 2 10 Adjusting the A C RAIN Control reducing rain clutter The vertical beamwidth of the antenna is de signed to see surface targets even when the ship is rolling However by this design the unit will also detect rain clutter rain snow hail etc in the same manner as normal tar
73. rate as possible Fasten the radome base to the mounting platform with four each of M10 x 25 hex bolts flat washers and spring washers Mask size 0 0 to 6125 AA M4x12 OP03 92 Code no 008 445 070 Figure 6 3 Assembling the sailboat mast mounting bracket option 26 SHIP S BOW CABLE ENTRY 4 012 HOLES FLAT WASHER e SPRING WASHER amp M10 X 25 HEX BOLT PLATFORM Antenna base plate pt Packing Hadome 2 10 m Effective thread length 25 mm washer Platform M10 x 25 Hex bolt Spring washer Apply silicone sealant Figure 6 4 How to fasten the radome base to the mounting platform Wiring and final preparation 4 Drill a hole of at least 20 millimeters di ameter through the deck or bulkhead to run the signal cable between the antenna unit and the display unit To prevent electrical interference avoid running the signal cable near other electrical equipment and in par allel with power cables Pass the cable through the hole Then seal the hole with sealing compound for waterproofing 5 Remove the shield cover in the radome 6 Remove the cable clamping plate by un fastening four screws and removing a gas ket Pan head screws M4x8 4 pcs Cable clamping plate Shield ii M screws CRISS M4x8 7 pcs lt HV few DN s 4 Ne SC GWS Figu
74. re 6 5 Antenna unit inside view 7 Pass the cable through the hole at the bot tom of the radome base 8 Secure the cable with the cable clamping plate and gasket Ground the shield and vinyl wire by one of the screws of the cable clamping plate 9 Connect the wire to the RF unit to one of the screws of the cable clamping plate qoe 9 pin connector to J801 on MD 9208 4 pin connector to J802 on MD 9208 13 pin connector ij to J611 on IF 9214 Figure 6 7 RF unit 10 Attach the EMC core supplied as shown below MD9208 PH J803 4801 J802 11805 8045 Cable entrance Cable clamping gt plate Motor EMC core 0455251512 Above cable clamping late J613 PTU 9335 J611 jFg214 Figure 6 8 How to attach EMC core 11 Fix the shield cover Do not pinch the cable 12 Attach the radome cover aligning triangle mark on radome cover with that on ra dome base Radome cover Radome base Figure 6 9 How to position the radome cover 13 Loosely fasten the radome fixing bolts You will tighten them after confirming magnetron heater voltage Mounting Model 1932 1942 Figure 6 10 Typical antenna unit mounting locations 1 Drill four fixing bolt holes 13 millimeters dia one cable entry hole approx 50 mil limeters dia in the mounting platform See the outline drawing 27 2 Detach the
75. rtical beamwidth 222 5 Sidelobe Within 20 of mainlobe less than 24 dB Outside 20 of mainlobe less than 30 dB Polarization Horizontal ON 7 Antenna rotation speed 24 rpm 8 Wind resistance Relative wind speed 100 knots 51 5 m s TRANSCEIVER MODULE contained in antenna MG5389 or E3560 6 kW nominal 3 Pulselength amp pulse repetition rate 0 08 2100 Hz 0 125 0 25 0 5 0 75 1 5 0 3 us 1200 Hz 1 5 2 3 0 8 us 600Hz 3 4 6 8 12 16 24 36 48 64 4 Bandwidth Tx pulselength 0 3 us and 0 08 us 25 MHz Tx pulselength 0 8 us 5 MHz 5 Others See MODEL 1832 1 Transmitting tube 2 Peak output power DISPLAY UNIT 1 Range scale nm Range Range interval and no of Rings 0 125 0 0625 2 0 25 0 125 4 0 75 0 25 3 1 0 25 4 1 5 0 5 3 2 0 5 4 3 1 3 4 1 4 6 2 3 8 2 4 12 3 4 16 4 4 24 6 4 36 12 3 48 12 4 64 16 4 2 Compass safe distance Seana compan Display ani 3 Power supply amp power comsumption 12 V 24 V or 32 VDC 10 2 V to 41 6 VDC 52W INTERFACE IEC 1162 NMEA0183 Input Own ship s position GGA gt RMA gt RMCSGLL Speed gt gt Heading True HDT gt HDG gt HDM gt VHW gt VHW Heading Magnetic HDM gt HDG gt HDT gt VHW gt SVHW Course True gt gt Course Magnetic VTG gt RMA gt RMC Waypoint Range Bearing RMB gt BWC g
76. sea returns and noise will not be acquired and tracked A target echo does not always mean a landmass reef ships or other surface objects but can imply returns from sea surface or precipitation As the level of these returns varies with environment the operator is required to properly adjust the STC ant clutter sea FTC anti clutter rain and GAIN controls to ensure that target echoes within the affected area are not eliminated from the radar screen The optimum settings of these controls may slightly differ between the normal radar operation and plotting and it is recommended to readjust them in accordance with the operating mode selected AP 2 NOTICE The installation must be done by a FURUNO representative or suitably qualified radar technician Authorities require this Keep magnets and magnetic fields away from the equipment Magnetic fields will distort the picture and can cause equipment malfunction Be sure the unit is well away from equipment which gives off magnetic fields speaker power transformer etc The following items affect calculation accuracy echo intensity e radar transmission pulsewidth radar bearing error gyrocompass error own vessel or other vessel course change Data for CPA TCPA etc are approximations only Always use data obtained prudently Operation of ARP 10 General The Auto Plotter ARP 10 is an optional cir cuit board which is accommodated in
77. smit on long range about 10 minutes 2 Adjust the gain to show a small amount of noise on the display 3 Change to the 0 125 nautical mile range and adjust the A C SEA control 4 Select 11 MBS adjustment on the instal lation setup menu 5 Press ACQ ENTER key The follow ing message appears MBS Adjustment Set value by omnipad and press ENTER key Correction 000 lt Press MENU for inst setup gt Figure 6 26 MBS Adjustment message 6 Operate the omnipad to suppress main bang left low right high between 0 and 25 7 Press the ACQ ENTER key Setting a blanking area When the antenna is installed at a close dis tance in front of the wheelhouse the radar should be set not to transmit within that area No echoes appear in the blanking areas 1 Select 7 Dead Sector 2 Press the ENTER key 3 Operate the omnipad to enter starting point of area in figures 4 Press the ENTER key 5 Operate the omnipad to enter ending point of area in figures 6 Press the ENTER key Area of no transmission Figure 6 27 Blank areas where transmission is suspended This area can be turned on off on the OTHER MENU For detail see the description on page 18 Note This setting should be done after other adjustments are finished Magnetron heater voltage Magnetron heater voltage is formed at the MD Board of the antenna unit and preadjusted at the factory for use wit
78. t 467 03014 0201 7 6 gt G V 46703014 AZL gt 62 gt A AZLI 82 4 AS4 2V AS AS 82 gt 64 AS gt S2Y5 A85 AS gt 2 gt 65 AS gt E2Y5 AS AS4 gt gt 224 5 A85 579 9 SJN JN O2 gt b JN N 030IA 0 6 030IA 0 81 Y5 0N5 N 30T 1X3 L1 8723017 1X 352N qN3 91 gt N dB d0 gt S1V 48 40 N95 2 LY 0NI 31317 40 1V5 9141730 OND gt 21 gt 0N9 46 1192 08 40 ON9 gt Bt V gt 0NI 0301A gt 6 03QIA 0N2 8Y XL 1X3 LY S X 7 AVN V Ja 0X171X312 9 gt ANN v dat N 172BL1EN C SY R T dI 960b dd KY gt 968 49 32012703427 1X3 EY 5 N7 32012703437 1X3 N7 1Y07 03457 1332 5 W V1v0703427 1X3 N Y gt 089 51121 5012717 0887 93 1e 900 CARP SPU 9211 ee _ B168 PH K S 3 lt J POINT2 1 DCC Er 191 2198 2 J POINTI P181 1 4 lt ECONOMY BUZZERG 5 BUZZER B48 PH K S J188 1 CND 2 Pur DCt 9 lt 5 3 lt PUR OCET ECONOMY 4 G 5y 12V KEY KEY 2 9 HH OFF A C SEA Li 16P SCN DIfiMER 6 DIMER J POINT J POINT2 oci POINTING DEVICE 0181 SHASSIS 3291 P
79. t BWR Loran time difference RMA gt GLC gt GTD Water depth DPT gt DBT Water temperature MDA gt MTW XTE RMB gt XTE gt APB Calculated value based Magnetic variation Output TLL On using TLL Key RSD An interval of four seconds TTM ARP 10 Option ARPA FUNCTION OPTION 1 Internal Board ARP 10 2 Acquisition Instant selection of auto or manual acquisi tion in 0 2 16 nm relative speed 100kt 3 Tracking Automatic tracking of up to 10 acquired targets betwen 0 1 to 16 nm 4 Prediction of target motion True or relative vectors time scaled 5 Past position 10 past positions of tracked targets 6 Alarm Lost target CPA TCPA 7 Automatic tracking range 0 1 16 nm 8 Target information one target selected Distance and bearing from own ship to target Moving direction and speed CPA estimated Closest Point of Approach and TCPA estimated Time to CPA 9 Vector length 30 sec 30 min 10 Plotting interval 15 sec 6 min vil EQUIPMENT LIST Complete Set MODEL 1832 Type No Installation Materials CP03 16900 000 086 843 sig cable assy 10 1 set select one CP03 16910 000 086 844 sig cable assy 15 m CP03 16920 000 086 845 sig cable assy 20 m CP03 16930 000 086 846 sig cable assy 30 aty Remarks RSB 0061054A fai JRSB 0062 055A ForMODELISQ
80. t indications are set abnormal you have adjusted neither noise nor check signal cable for damage the gain with A C targets appear RAIN and A C SEA indications and off markers do neither indications nor check signal cable for damage markers appear noise and targets do the sweep radial line the problem may be in the antenna sweeping around the unit Request service display is not synchronized with antenna rotation there is no change request service sensitivity a key is pressed nothing happens key may be faulty Request service 23 5 4 Self Test 7 Press the MENU key to back to the selftest menu The self test facility checks the keyboard ROM and RAM for proper operation 1 Press the MENU key 2 Select OTHER MENU 3 Select 23 Self Test and press the ACQ 5 5 Life Expectancy of ENTER key The following display appears Magnetron 8 To escape from the test press the MENU key The following table shows the life expectancy Self Test of the magnetron Key test Press each key and check on screen indication lights ARP 10TEST Table 5 3 Life expectancy of magnetron ROM 18990871 i RAM K Seo 9K Men Mode Type Codeno Life expectancy TRIGGER NG E3571 000 137 527 1832 1932 MG5248 000 116 121 DONOR 3 Ours MATISSE Including stand by E3560 000 139 050 1942 MG5389 000 135 146 0003 i SCAN TIME
81. targets can be canceled from ARP 10 MENU at a time 1 Open the 10 2 Select 2 All Cancel 3 Press the ACQ ENTER key Displaying Target Data The Auto Plotter calculates motion trends range bearing course speed CPA and of all targets under tracking at the ARP Data area AP 6 To turn ARP data on Press the MENU key 2 Select the DISP DATA 3 Press the ACQ ENTER key to select the message for ARP or NAV and ARP 4 Press the ACQ ENTER key to set 5 Press the MENU key to close the menu CAUTION At the speed under 5 kts the target data is displayed with a delay because of filtration Place the cursor on a wanted target and press the SELECT CANCEL key Data on the se lected target is displayed at the bottom of the screen The symbol of the selected target gets twice as large as the normal circle The data includes the follows RNG BRG Range Bearing Range and bearing from own ship to the last plotted or selected target position with suffix T True or M Magnetic For true bearings suffix I 1s used in case of gyrocompass input and suffix M is used in case of magnetic com pass input COURSE SPEED Course Speed Course and speed are displayed for the last plotted or selected target with suffix T True or M Magnetic For true bearings suffix I 1s used in case of gyrocompass input and suffix M is used in case of mag
82. th waypoint selected on the navigator and the cursor speed If the navigation input includes destination data waypoint position 1s denoted on the ra dar display by a dashed ring To turn navigation data on or off 1 Press the MENU key 2 Select the DISP DATA 3 Press the ACQ ENTER key 4 Press the ACQ ENTER key to select the message for Navigation display Prss the ACQ ENTER key to set 6 Press the MENU key to close the menu Un TRAIL mutatam Waypoint Mark VRM 0 048NM 0 100NM WAYPOINT 21 Navigation 50 0 Data TTG 00 20 Figure 3 10 Typical navigation data display 17 3 10 OTHER MENU Description The following summarizes the OTHER MENU Table 5 2 OTHER MENU Description Select the trail time 10 Tune select automatic or manual tuning To tune manually 1 Select Menu DE omnipad 2 Press the ENTE key to enable manual tuning 3 While pressing and holding down the GAIN control operate the omnipad 4 Press the ENTER key MANUAL appears at the top right hand corner when manual tuning is in effect 11 Disp Data Select the down sourse to display 12 WPT Mark Select to display the waypoint mark 13 EBL Ref select EBL reference for relative or true 14 VRM Unit Select distance unit of VRM and cursor for nm km or sm 15 Watchman Turn watchman on set rest period or off 16 STBY Disp Select the display
83. than a few degrees a blind sector may be produced Within the blind sector small tar gets at close range may not be detected while larger targets at much greater ranges may be detected See Figure 4 4 Indirect path Obstruction Antenna mast funnel etc Target True Indirect Indirect echo path N Direct echo Vessel taller than wharf Mast etc in path of radar Heading Wharf beam line True echo Wharf ra 4 Indirect Blind sector Indirect echo no echo Size of blind sector depends on target echo size and range 4 4 Bli Fouet 3 echoes Figure lind and shadow sectors 21 5 MAINTENANCE amp TROUBLESHOOTING This chapter tells you how to keep your radar in good working order Before reviewing this chapter please read the safety information which follows A DANGER Turn off the power before performing any maintenance or troubleshooting procedure Hazardous voltages can shock burn or cause death Only qualified personnel totally famillier with electrical circuits should work inside the units RF RADIATION HAZARD The radar antenna emits high frequency radio radiation which can be harmful particularly to your eyes Never look directly into the antenna from a distance of less than two feet when the radar is in operation as you could injure the cornea of your eyes Always make sure the radar is set to stand by or is turned off before starting work on the antenna u
84. the dis play unit of the MODEL 1832 1932 and 1942 radars The Auto Plotter permits manual or automatic acquisition and automatic tracking of up to 10 radar targets An internal microprocessor calculates target data such as speeds and courses and displays the results in alphanu meric and by vectors To ensure the reliabil ity of the displayed target data the radar must be properly adjusted for minimum sea returns and noise Principal Specifications Acquisition and tracking e Acquisition of up to 10 targets between 0 2 and 16 nm e Automatic tracking of up to 10 acquired targets between 0 1 and 16 nm Vectors Vector length 30 s 1 3 6 15 30 min Orientation True velocity or relative velocity Past positions 5 past positions at intervals of 15 30 5 1 2 3 6 min Alarm Visual and audible alarms against targets violating CPA TCPA limits Visual alarm against lost targets Target discrimination A target measuring about 800 m or more in the radial or circum ferential direction is regarded as a landmass and not acquired or tracked Echoes smaller than about 800 m are regarded as true targets Keys Used for Auto Plotter The Auto plotter utilizes the following touchpad keys Given below is a brief descrip tion of these keys MENU Displays Erases the main menu SELECT CANCEL Long press Terminates plotting of the target selected with the cursor Brief press Displays the data of target se
85. ts The procedure which follows shows how to measure the range and bearing between target and target B in Figure 2 11 1 Press the omnipad to place EBL1 s origin cursor on the center of target 2 Press the EBL VRM SELECT key to choose readout and then press the EBL VRM CONTROL key 3 Select EBL OFFSET on the menu and press the ACQ ENTER key EBL1 s origin shifts to cursor 4 Press the EBL VRM CONTROL key 5 Press the omnipad to bisect target B with EBL1 Check the EBL1 readout to find the bearing between target and target B 6 Press the EBL VRM SELECT key to choose readout Press the omnipad to place the outside edge of VRMI on the inside edge of target B Check the VRMI readout to find the range between target A and target 7 To cancel select EBL OFFSET on the menu and press the ACQ ENTER key 10 EBL1 VRM1 VRM 4 5 NM VRM1 range EBL1 gt 70 0 bearing Figure 2 11 Measuring the range and bearing between two targets by using the offset EBL 2 15 Shifting off centering the Picture Your vessel s position can be shifted up to 75 of the range in use to view the situation around your vessel without changing the range or size of targets 1 Press the omnipad to set cursor where de sired 2 Press the F1 A C SEA control if its func tion 1s set for SHIFT default
86. when echo stretch 1s on Bearing Bearing direction direction ELE Range direction Echo stretch 2 Echo stretch 1 Figure 3 3 Echo stretch Note This function magnifies not only tar gets but also sea clutter and radar interference For this reason be sure the controls for ad justment of sea clutter and radar interference are properly adjusted before activating the echo stretch Note ES2 is not available on Short Range 3 4 Echo Trail You can show the movement of all radar tar gets relative to your vessel in afterglow This function is useful for alerting you to possible collision situations Starting echo trail 1 Press the MENU key to open the menu 2 Select ECHO TRAIL by the omnipad 3 Select ACTIVATE by pressing the ACQ ENTER key Figure 3 4 How the echo trail feature works TRAIL the echo trail time selected on OTHER MENU and elapsed time appear at the top right hand corner of the display Then afterglow starts extending from all tar gets Note Trails are restarted when range or mode is changed or zoom or shift is turned on Fixed time trail 1 When the elapsed time clock counts up to the trail time selected the elapsed time dis play freezes 2 The oldest portions of trails are erased so only the latest trail equal in length to the trail time selected 1s shown 3 Trail continues For example the one minute trail time 1S se lecte
87. x tended period but you want to keep it in a state of readiness place it in stand by by pressing the STBY TX key The display shows STBY navigation data or goes into the economy mode depending on menu setting More on menu operation later Economy mode The CRT can be set to automatically turn itself off when in stand by to reduce power consump tion This feature is called the economy mode Power consumption in the economy mode is 28 W When the economy mode is on the lamp next to the POWER key lights Navigation data display during stand by If a navigation aid inputs navigation data to this radar navigation data can be displayed during stand by You can turn the navigation data dis play on off through the menu Figure 2 3 shows a typical navigation data display during stand by 000 3 nm DEPTH 2 TEMPERATURE Depth 125 m 17 3 lt 5 Trip distance since power on To Waypoint bearing Heading Heading Time to go to TO Waypoint Bearing TO Waypoint Range to TO Waypoint OWPT TTG BRG 45 0 M RNG 12 0 OWN SHIP LAT 30 00 00N LON 135 00 00E Course 01 08 Ship s position in latitude and longitude and Loran TDs Cross Track Error Mark shows direction and amount of error 0 5 1 0 Figure 2 3 Typical navigation data display during stand by Note 1 Availability of a particular display item depends on incoming data N

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