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Fujitsu FI-6140Z Photo Scanner User Manual

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2. Accessories FP03 06400 Name Typ Code No Qty Remarks Tapping Screw 6x20 SUS304 000 802 084 5 Hood Assy FP03 04810 008 441 400 1 00 CONFIGURATION OF MODEL 1832 1932 1942 Antenna Unit EB EUR UNO IEG 1162 In Out Ec ae eR eee ca Remote Display FMD 81 1 Display Unit IEC 1162 In RDP 118 External Alarm Buzzer OP03 21 T Rectifier Equivalent to NMEA 0183 DC et T i PR 62 1 832 es pe ee ee Option RU 3423 1 932 1 942 Local Supply a ee 12 32 VDC 115 230 VAC Note 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 xi Xil 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 is not a new development 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 whi
3. EBL1 EBL2 VRM1 VRM2 SONI E RANGE Selects radar range Adjusts sensitivity Switch Temporarily erases heading EBL VRM EBL VRM Enablesierases m r m O el line and north mark if EBL1 EBL2 EBL3 EBL4 displayed GAIN Outputs target position data Control Reduces sea clutter HM OFF Switch Automatically reduces sea and Long press Shifts your vessel s rain clutters position to cursor location Brief press Doubles size of area between your vessel and location selected by cursor ST BY X Sets radar in stand by Control transmits radar pulse F2 BRILL Adjusts display brilliance mn Oz D gt e ZU gt z 4 gt 4 2 LI S F B O Reduces rain clutter F2 Displaces the EBL origin O POWER Turns power on off TERRI IS on Default switch function Figure 2 1 Control panel 2 2 Display Indication and Markers Echo trail elapsed time P 13 Heading requires heading data Heading line P 8 Range P 6 HDG npn Hi Range ring interval P 6 Pulselength P 6 Display mode P 12 NR 2 4 7 D s Cursor P 8 9 Guard zone area P 15 EBL1 P 9 VRM1 P 8 9 r z N SN S SS A C AUTO P 7 uy EBL1 bearing P 9 EBL2 bearing P 9 Cursor bearing P 9 Cursor range P 8 Figure 2 2 Display indicat
4. Gntl 14 Ope Mode Master Slave 15 Hours in Use 16 TX 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 Itis 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 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 recomme
5. Pulselength Short Noise Reject Off On Trail Time 15S 30S 1M 15M 30M Cont Tune uto Manu Disp Data Nav ARP All WPT Mark On EBL Ref True VRM Unit km sm Watchman 5M 10M 20M STBY Disp Econo Nav Guard Mode Own Position Cursor Posi Alm sense LV Dead Sector Range vo o 1o0o0 ov ss EELE JJ UJ ERA N ooze E E ES Ej E O w E Self Test Installation Setup 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 Pulsewidth 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 violat
6. to J611 on IF 9214 Figure 6 6 Signal cable antenna unit side IF 9214 Figure 6 7 RF unit 9 Attach the EMC core supplied as shown below J801 J802 J805 MD9208 Lgo EX ES Jeoe Cable J803 entrance Cable N 7A uf clamping plate EMC core C E0485251512 Above cable m clamping plate a Fi PTU 9335 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 radome base AN Radome cover WV Radome base 13 Loosely fasten the radome fixing bolts You will tighten them after confirming magnetron heater voltage Mounting Model 1932 1942 n CO Figure 6 10 Typical antenna unit mounting locations 1 Drill four fixing bolt holes 13 millimeters one cable entry hole approx 50 mil limiters dia in the mounting platform Seethe outline drawing 27 2 Detach the 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 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 pr
7. 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 th 1 l un vw et thi B 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 both 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 multam Waypoint Ma
8. 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 Bearing resolution 4 5 Bearing accuracy Within 1 6 Range discrimination Better than 20 m 7 Range ring accuracy 0 9 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 IRI IR2 IR3 VRM 1 2 EBL 1 2 Automatic A C SEA A C AUTO Stand by ST BY Radar alarm G IN G OUT G ACKN Echo stretch ESI 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 C Antenna unit Display unit 13 Humidity Relative humidity 93 or less at 40 C 14 Waterproofing Antenna unit IPX6 Display unit IPX5 15 Power supply amp power consumption 12 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
9. 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 is 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 BASIC OPERATION 2 1 Control Description Brief press Omnipad Displays the data of target Shifts cursor VRM and EBL selected with the cursor select items and options on Long press menu Terminates plotting of the target selected with the cursor 1 Acquires the target selected with the ominipad SELECT ACQ 2 Registers selection on Opens closes menus CANCEL ENTER 2 e Selects Sets guard zone area
10. Antenna base plate a Packing i i Hadome LEA ZZ 10 mn het 2 72 HER CUN 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 gasket Shield cover Screws Screws 4pcs 7 pcs 4S Cable clamping plate Shield cover La C2 Gasket SCleWS jp Zaa 7 pcs E ToS a k Figure 6 5 Antenna unit inside view 7 Pass the cable through the hole at the bottom 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 19 of the cable clamping plate Par e 9 pin connector to J801 on MD 9208 Ii 4 pin connector v to J802 on MD 9208 Sa 13 pin connector
11. CodeNo Ol Remarks RU 3423 000 030 443 1 1932 1942 AC Magnifying Lens 03 121 1500 008 439 000 1 Flush Mount Kit OP03 145 008 476 060 1 e l 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 Installation Materials ET 169xx rt 1832 Type CodeNo Giy Remarks DE Power PowerCabe EE 138 028 psf a Head M10 x secca NN SUS304 000 862 co Hex Bolt 7 Flat Washer M10 SUS304 000 864 131 4 Ee Spring Washer M10 SUS304 000 864 261 CP03 170xx Model 1932 1942 L Mame mpe Coo Qy Remarks ier ake m MiBoiLPRONo3 weiss Sita Cable 30m MI B24LPF0002 300 000 138 973 2 Power Cable les Oo 3 Seal Washer cwispx oosoell4 eB MrSID 00 a SHeNu ss oosel2l4 6 Flat Waster MISUSX4 0 4 Spring Washer MESUSDE Osetl4 Sima Pm fioxassus 908530 2 Spare Parts SP03 12200 a E NU For 24 32 VDC FGBO 10A AC125V 000 549 065 in z va ROWER Label 5A 03 129 1512 0 100 248 780 For 24 32 VDC
12. 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 eum Gi 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 Radar interference Four levels of interference are available 1n 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 2 Mark Brill 1 2 HD Mark 1 2 Characters 1 2 Trail Tone Multi Int Reject Off
13. X fi 42 84 lt AZ QH fll gt Z gt 038 FL l 513 18 0 He ze QN gt gt Q3Y LHM YO 7 H4 KC0Z lt IND AND gt 1 NMdd irae eee dSI 31038 jana RU ZH09 09 1 AZ Z gt NH8 IHM YO ccce AZ d8HN SOIC 9 us P aLe m ee ifs AVA 06Z 0ZZ AZ gt gt 8 940 1HM NO 6 04 AZI ND gt gt DE DS m V DAR uo XV ACOCOLL LISS MD d fusa Rond 6986de0 ain t FARM 9Add 8L1 011 001 gt WG 97050 1003dS V fW JA ce ch 6bZ6de0 9dZI LLO UOE 0Z G1 01 20004d Trc8 W ex 81 1 day 7 gt IHM oA AZEEVOI ol 6900 8S4 l NA AW Ids d LGE 4dSEV CW LINNA VNN3INV da S3 cha Baka OGACE CL ex e Vo VG CEM EIN FURUNO ELECTRIC CO LTD uU NES UJ NM qM 9 52 Ashihara Cho Nishinomiya City 662 8580 Hyogo Japan Tel 481 798 65 2111 Fax 81 798 65 4200 Pub NO DOC 787 Manufacturer 9 52 Ashihara Cho Nishinomiya City 662 8580 Hyogo Japan Address declare under our sole responsibility that the product Marine radar Type Model 1832 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 of 9 March 1999 on radio equipment and telecommunic
14. 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 magnetic 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 TCPA 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
15. 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 Connect 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 IECII62 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
16. 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 TEMPERATURE mE Depth 125 m 417 3 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 0NM 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 Note 2 When Range to Waypoint reaches 0 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 p
17. 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 e 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 e check fuse in power cable nothing appears on e try adjusting the brilliance the display or display contrast is poor characters are request service distorted the radar has the antenna does not 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 transmit indications are set abnormal you have adjusted neither noise nor e 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 in request service sensitivity a key is pressed nothing happens k
18. 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 Head 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 d
19. 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 cC m O m S a T rm or O m r m JU Sal Im gt o ITI JO 88 mm TRAIL TRAIL TRAIL UNE ON OFF TIME TONE A M H 8 2 lt C OP m iT CD J rA ma3 rz o qgl f laa gt OOo JJ o ia Ez C T lt y V x JJ mM a C lt ac J OO oz Z VO Oc JO aw lt m O O J LENGTH AUTO ACQ OQ zz J lt Z 1 Figure 3 11 Function menu 3 Select function desired 4 Press the ACQ 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 o
20. location on the display lights in black if the key is operating properly 1832 1932 24 Type Code no E3571 000 146 867 MG4004 000 158 895 000 158 786 MAF1421B 10 MAF1422B 000 146 871 MG5389 000 135 146 Life expectancy 2 000 3 000 hours Including stand by 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 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 e 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 relati
21. 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 1s 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 Cursor 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 F1 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 EBL SHIFT OFFSET DATA Change brill from 3 to max ECHO ECHO TRAIL TRTCH ARP 10 OTHER MENU 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
22. 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 The 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 dow
23. 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 Transmit 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 the ACQ ENTER key The follow ing message appears MBS Agjustment 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
24. 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 lected 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
25. the antenna unit Serious injury or death can result if someone falls from the radar antenna mast RADIO FREQUENCY RADIATION HAZARD The antenna emits electromagnetic radio frequency energy which can can be harmful particularly to your eyes Distances at which RF radiation levels of 100W m and 10W m exist are shown below Distance to Distance to 100 W m point 10 W m point Turn off the radar power 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 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 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 ton of the eguipment Fire or electrical shock can result if a liquid spills into the equipment A CAUTION Use th
26. 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 TP Ue LUE E COD a re ee CE ee T NN 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 1s 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 accurate 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 mm AA M4x12 Type 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
27. 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 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 triangl
28. wind speed 100 knots 51 5 m s TRANSCEIVER MODULE contained in antenna 1 Transmitting tube MG5389 or MAF1422B 2 Peak output power 6 kW nominal 3 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 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 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 Standard compass Steering compass 0 6 m Display unit 075m 06m 3 Power supply amp power comsumption 12 32 VDC 10 2 V to 41 6 VDC 56W 4 Others See MODEL 1832 vii INTERFACE IEC 1162 NMEA0183 Input Own ship s position GGA gt RMA gt RMCSGLL Speed RMA gt RMC gt V TG gt VHW Heading True HDT gt HDG gt HDM gt VHW gt VHW Heading Magnetic HDM gt HDG gt HDT gt VHW gt SVHW Course True RMA gt RMC gt VTG Course Magnetic VTG gt RMA gt RMC Waypoint Range Bearing RMB gt BWC gt 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 Magn
29. 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 i 0 a Flat washer Radiator bracket 7 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 connected 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 faste
30. 2 The aster isk indicates the guard zone is 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 down the GUARD key until the guard zone disappears Notes on the guard alarm The alarm is 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
31. 2 MENU TREE AP 1 ARP 10 OPTION AP 2 OUTLINE DRAWINGS D 1 INTERCONNECTION DIAGRAMS 5 1 Declaration of Conformity vi MODEL 1832 SPECIFICATIONS ANTENNA UNIT Radiator Printed array 2 Radiator length 60 cm 3 Horizontal beamwidth 3 9 4 Vertical beamwidth 20 5 Sidelobe Within 20 of mainlobe less than 18 dB Outside 20 of mainlobe less than 23 dB Polarization Horizontal OD Antenna rotation speed 24 rpm 8 Wind resistance Relative wind speed 100 knots 51 5 m s TRANSCEIVER MODULE contained in radome 1 Transmitting tube 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 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 limiter 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
32. E DATA and 2 are less than 1 000 GL1 O9 9 L23 13 ONNYN V6l CC61 cC81 TOON 23 eo PAE CHZPGL ZNCEBI HOW AOHddY NZ MDRI TAY ony be UV EEF we GH MVE BON A ba mE HPAL 2 p S 1 8 1 dQH quu 00 0S6 L6 NIWH3I ON9 M3lA YYJY 31 LX SC XVW 0 4era JINA SHI DNIXIJ 403 0cX9 SM3H9S 9NIddVI ISN E SNOISN3WIG 3O 3ONYH33OL S31VOTIONI 1 di8Vl c 39NV4Y310 PAYIS Q3GN3WWOD3H 1 SR TOMMY OC x OF MCE AGC KY CIAPICEHEMH O PIL SPITE EL OGRE Z Gg 9 Hae YA ANPP LIB HCL 08 Jl V IdSWYN E 23 X n S3 10H 9NIXI3 MIR 9 LP S SSNNNNSNNNNNNSNNN N J10N 2 3 D 2 1 TABLE 1 160 4 M i eh i lt 10 100 lt Ls500 i3 500 lt L lt 1000 4 85257516 gt BOW 2 8 1 ANTENNA BASE PLATE EFFECTIVE THREAD LENGTH YU Zu ee is f ul suited ES soll LIL TABLE 1 INDICATES TOLERANCE OF DIMENSIONS WHICH IS NOT SPECIFIED ZA IT EE ey V 2 JU h d sk 1 4 SCALE 1 4 O TAKABASHI I ee ee M ANST B m yy Eum ANTENNA UNIT nm Gui GO1 G DUTLINE DRAWING FURUNO ELECTRIC CO LTD YEeb3 05 MODEL LEA gac RSB 0071 s TAKAHASH WUDEL D eR wee D 3 FUR UN
33. ERATION 12 3 1 Basic Menu Operation 12 3 2 Selecting the Presentation Mode 12 3 3 Magnifying Long Range Echoes echo OC 13 Sud BCBOo Tra uui ieri a 13 3 5 Suppressing Radar Interference 14 3 6 Selecting Pulsewidth 15 3 7 Guard Alar s n retibus 15 3 0 WAICIINIAN uiu ideo Eee a eere ma eda 16 3 9 Displaying Navigation Data 17 3 10 OTHER MENU Description 18 SILL Eunction NOVI cete SEE 19 3 12 Suppressing Noise 19 3 13 Adjusting Brilliance of Markers 19 3 14 Outputting Target Position 19 4 FALS ECHOES eene 20 4 1 Multiple Echoes 20 4 2 Side lobe Echoes 20 4 3 Indirect ECNOES 41er ee 20 4 4 Blind and Shadow Sectors 21 5 MAINTENANCE amp TROUBLE SHOOTING 22 5 1 Preventative Maintenance 22 5 2 Replacing the Fuse 22 5 3 Troubleshooting oe otro eines 23 DOLE GS 24 5 5 Life Expectancy of Magnetron 24 6 INSTALLATION 25 6 1 Antenna Unit Installation 25 6 2 Display Unit Installation 30 6 3 Exchange of Fuse for 24 32V Power SUDD VN 32 6 4 Checking the Installation 32 6 5 Adjustments 2
34. LLSS M 4d 1gz8 nW iera 6966460 8IQ 5 75 a nz lx 9 OAdd G11 011 001 LL UOE 0Z G1 01 20004d Trc8 PW ex 91 1 day 9 1 LI SIS STOOGES 0 ZE 1700 dSd LINN AY Ids 10 ISeIf JJSev PM ieee ve LINA VNN3INV ih az SEXEBE 90821 e N26 te V CEM EIN LT OO OlINHIOJ I4 ONNYNSA 2009 9 1 0 0 109 Cb69 o MOUTH eee es ASN AZ amp DZ M04 VS OL 3S JOWIdIY VOL 11nVd d G dvdvd HNIdVW SQN3 H109 LY AT3A11034J43 q3a NnOND 38 QINOHS HIHS b ps 55 H BY ud 4 10 8 RU ay Ay019V4 LY GALLIA BAd YOLOANNOD amp 1 EUR OH ONL 0 980 NOI1dO 2 ip Alddf is MVAdIHS L 61 ZE6 1HqOM DIVSVNVA L 20 990 iyya TON Q EHLTIL T AVFI HASE V VOI HEYRATI GS x RIF 252 N A ETEF t PPHAH TI TTIGCC ZGCGEXC Ex RERLE Z REAR 1 dedi ND gt 9 gt ON gt gt 0 03 NYO i48 H OXu gt e Ht H 9 ZX1 lt Wd OG 3 iy icd 9 wol g 8LOVANN Ly Ly We_ H ZXL gt gt 1HM aos ere a NTOS 0H93 rat 34S9V rW 200L 2090 Z1004dS9V PN l Ss CVANN A GND gt 9 gt V es E AE NYD fi op wo oet DT MD y d24 ots A 7a IRSE i S HO bg HI 900 7000HdS9V fW DAC iN Dans S7 n Zon nore i e enim M pi ag wos j z tov og i eoe f 2001 9080 0003dS9V W Y3LYIAN09 V uc JdS9V M 3 Seay IND bp AH9 H 90H
35. O 103610 XN10A A 1255 10 XN12A S uum Sates RADIATOR SCALE 1 25 XN10A M1761 1761M2 1931 1931M2 MODEL 851 1932 XN12A M1941 1941M2 1941R 861 FR 7041 7041R 7061 ua E FORWARD EN li 440 240 350 260 435 M12 BOLT 65 lt DRAIN HOLE 06 2 SEAL WASHER CW1053DX 1400 ONI 2N B P4 Pe CLEARANCE f ENTER 9 4 M4x16 ra CENTER OF ROTATION Ho 50 CABLE ENTRY FIXNG HOLES 4 13 2 25 ear XN10A 21 8 kee 10 MOUNTING DIMENSIONS MASS XN12A 20 0 kg c1096 DETAIL OF CABLE ENTRY DRAWN XN10 RSB0062 XN12A RSB0062 065 ANTENNA UNIT OUTLINE DRAWING FURUNO ELECTRIC CO LTD aLI 090 OIMIO3 IJ ONNYNA WYYOVIG NOI IO3NNOOd3INI 071009 9t 1 t0 N IOJ IVEY on ona ISN AZ6 DZ W03 VS OL ISNA JOWIdSY VOL 1INV4JA G dVQVa SINT avin ss mes SQN3 H109 LY 1311193443 Q30Nn0N9 38 CINOHS HIHS b Dsl es Br BY SRA H EOE A aN AMOLOWS LV Q31114 9nTd YOLOANNOD 4 1 HHEH ONJWWI 1 20 Seq NOI1dO Z 3393H9 l IddNS QHVAdlHS L LO OL 9q 2681 1QOM DIVSVIA 1 m a C fT Y T AVFI SACE v2 VOL HEYRATI S x 7 2 HBOS HBOY OCC MPA v PEI DIATE OCC KH GEC Ex EACE 2 ME A UWE Lo pex GND gt 9 gt ON
36. OM 437208 1X3 gt gt BUM Hi gt gt 4 _______ y 1 o G 4 4 lt i d H ND I gt 2 gt i ox 1Z 60d0 MOLOW gt z gt 19 JHM V 44 041 1 lt E 010M M 3372ng WNi31X3 da gt gt H Hl Hs lt 6 lt i d deHN 6017 AC BM dbHA EZ8r ek mar 4 030A 40 8 xG MX TTT TTT N 6 PNE MEE OND gt 51 g 1 d i 8 H ma 4 Ll k daa 9131 40 9 rr frig KL V V d gt L ldd 467 11 8 V Vd OND gt NHD fi AE Pan 9IMI XI gt 9 gt LT NNH KZ lt DIMI XL o dg d9 HA eo AZI 1 G 8 YT8 LHM V 0 04 KL lt AZI N9 gt 1 L 980 TL AZI gt 8 NB IHMD 13 04 1 K IK p lt AZL QHML i Z r r 08 4 93 iie an Qe SE ND gt g gt 44 IHM V 4 04 _1 1 ge N9 ND gt gt Nug 4 4 4 asia aonda g Tz ots AZL gt Z H 8 N48 1HM W 04 H1 x14 AZ d8HN SOIF M 89 s 86z6seo cx gears LM tals d AZ 1 8 980 1HM 9 H lt 01 AZ ND gt gt Cx Se usd CS OVA 0 6 066 d6HA LOgn WOE XVW AZOC OLL
37. OPERATOR S MANUAL MARINE RADAR MODEL MODEL 1832 1932 1942 www furuno co jp Elemental Chlorine Free The paper used i n thi s nanual is el enental chl ori ne free FURUNO ELECTRIC CO LTD FURUNO Aut hori zed D stri but or Deal er 9 52 Ashi hara cho N shi nomya 662 8580 J APAN Tel ephone 481 0 798 65 2111 Fax 81 0 798 65 4200 Al rights reserved Printed in Japan A JAN 1997 S FEB 03 2009 Pub No OE 34410 S TAA MIZLISQ 1882 1982 MA 00080788713 IMPORTANT NOTICES General e The operator of this equipment must read and follow the descriptions in this manual Wrong operation or maintenance can cancel the warranty or cause injury e Do not copy any part of this manual without written permission from FURUNO e lf this manual is lost or worn contact your dealer about replacement e he contents of this manual and equipment specifications can change without notice e he example screens or illustrations shown in this manual can be different from the Screens you see on your display The screens you see depend on your system configuration and equipment settings e Save this manual for future reference e Any modification of the equipment including software by persons not authorized by FURUNO will cancel the warranty e All brand and product names are trademarks registered trademarks or service marks of their respective holders How to discard this p
38. Po el Standard compass Steering compass 0 6 m 0 7 m Display uni MODEL 1932 SPECIFICATIONS ANTENNA UNIT Radiator Slotted waveguide array 2 Radiator length 100 cm 3 Horizontal beamwidth 3 9 4 Vertical beamwidth ZJF 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 1 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 Siendgrdcompas Display uni 3 Others See MODEL 18232 MODEL 1942 SPECIFICATIONS ANTENNA UNIT Radiator Slotted waveguide array 2 Radiator length 120 cm 3 Horizontal beamwidth 1 9 4 Vertical beamwidth 22 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
39. 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 N 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 with 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 60n 7 4 7 6V R106 PTU Board M1932 TP803 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 This page is intentio
40. ations terminal equipment R amp TTE Directive and satisfies all of the following rules technical standards and recommendations applicable to the product EN 60945 1997 01 IEC 60945 Third edition 1996 11 IEC 60936 1 Amendment 1 Annex D 2002 06 ITU R M 1177 3 2003 06 ITU R SM 1539 2002 11 ITU R SM 1541 2002 11 ITU R SM 329 9 2003 02 KSH 142 1985 10 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 N 00214141 AA 01 of 19 January 2004 issued by Telefication The Netherlands Test report 96328900 and 96328901 of 8 April 1997 prepared by Telefication The Netherlands e Test reporis K03 17 164 K03 17 165 of 19 November 2003 and K03 17 188 of 5 January 2004 prepared by Furuno Electric Co Ltd On behalf of Furuno Electric Co Ltd a Hiroaki Komatsu Nishinomiya City Japan Manager March 10 2005 International Rules and Regulations Place and date of issue name and signature or eauivalent marking of authorized person
41. 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 ge 6 0 NM Range ring 2 0 interval Target Cursor a nma VRM1 VRM range Z ES 4 4 0 NM 3 0NM 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 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 Pre
42. can output such data in IEC 1162 format Zoom feature provided TABLE OF CONTENTS FOREWORD eda IV SPECIFICATIONS vi EQUIPMENT LIST Ix CONFIGURATION OF MODEL 1832 1932 1942 xi 1 PRINCIPLE OF OPERATION 1 I DWERBaCIS RAE EE 1 1 2 How Ships Determined Position Before FRAG AP eios teta ete pereunte duda 1 1 3 How Radar Determines Range 1 1 4 How Radar Determines Bearing 1 1 5 Radar Wave Speed and Antenna Rota OSDES erences 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 Off 5 24 Dronstrtt UP iusso eet uoa ertt d tits 5 2 5 LANDY ot ceca EEEE AE E S 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 Ing sea clutter oett edet 6 2 10 Adjusting the A C RAIN Control reducing rain clutter 7 2 11 Erasing the Heading Line North Mark E 8 2 12 Measuring the Range 8 2 13 Measuring the Bearing 9 2 14 Using the Offset EBL 9 2 15 Shifting off centering the Picture 10 ZNO ZOOM E 11 3 MENU OP
43. 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 03P9369 1832 1932 1942 J1352 NMEA INT9213 LI l TLL 5 sounder J1354 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 rcm nmen samo Jo lmow mcr NMEA sao js lmow ommo our lasaole lmow ceno ovr ws e lmow cmo pre masaole iow cmo para maple lmow Goma our saso e iow Note All plotter in the table except the GP 1800M2 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 CAUTION 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 Ground terminal NCAUTION Ground the equipment Ungrounded equipment can give off
44. cing 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 A fuse Table 5 1 Recommended maintenance program 3 to 6 months Exposed nuts and bolts on antenna unit corroded Antenna radiator 1932 1942 adhesive as a temporary remedy then call for repair Hadome COVer 1832 into the radome Check for dirt and cracks on radiator surface Thick dirt should acetone for cleaning If you be wiped off with soft cloth dampened with fresh water If a crack is found apply a slight amount of sealing compound or Check for wear Permanent damage to the antenna s internal circuitry will result if water leaks Check for corroded or loosened nuts and bolts If necessary clean and repaint them thickly Replace them if heavily 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 need to remove ice from antenna unit use a wooden hammer or plastic head hammer Crack on the unit may cause water ingress causing serious damages to internal circuits 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
45. cts 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 3 Operate the omnipad to select ARP 10 MENU 4 Press the ACQ ENTER key The menu shown in Figure AP 1 appears ARP MENU Select item by omnipad and press ENTER key El Display Off All Cancel Vector Ref Rel Vector Length 30S 3M 6M 15M Ois 30S 2M 3M 6M 0 5 1nm 3nm 5nm 6nm 1M 2M 4M 5M 6M Auto ACQ Off On History CPA Set TCPA Set 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 Lost Target 4 th BEARING 42 5 T RANGE 5 CPA TRUE VECTOR 15 MIN 36 NM SPEED 12 5 KT 2NM TCPA 12 35 TRAIL m
46. e 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 G OUT appears at the top right hand corner when the Out alarm is selected 7 Dashedline J sno alarm EC d 1 4 1 4 k a P 2 x s s Ld i G ard x ZONE L om 4 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 ENTER 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 G IN or G OUT with asterisk blink ing appears at the top right hand corner of the display See Figure 3 8
47. e and flashes together with its vector Provided that this feature is 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 CPA 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 the 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 th
48. e 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 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
49. e heading line in bearing If a target come into this area 1t 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 targets can be canceled from ARP 10 MENU at a time 1 Open the ARP 10 MENU 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 TCPA 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
50. e 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 COMPLIANCE WITH R amp TTE DIRECTIVE 1999 5 EC This radar complies with the R amp TTE Directive 1999 5 EC In accordance with Article 6 3 of this directive FURUNO intends to put this radar on the market of the following countries in EU as well other markets Austria Belgium Cyprus Denmark Estonia Finland France Germany Greece Hungary Ireland Italy Latvia Lithuania Malta Poland Portugal Slovenia Spain Sweden The Netherlands United Kingdom Iceland Norway 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 60 years FURUNO Electric Company has enjoyed an enviable reputation for innova tive and dependable marine electronics equip 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 machin
51. e target symbol becomes a flashing diamond Installation of ARP 10 Necessary Parts ARP 10 000 086 852 ARP 10 Board 18P9007 008 476 930 000 864 204 Spring Washer IM3 C519IW Pan Head Screw M3x8 C2700W 000 881 404 Pan Head Screw s s SWRM10 000 805 774 3 w washer Not used Use three screws only Mounting For technician only 1 Remove the cover from the display unit as follows 1 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 head screws to fix the ARP 10 Board Front a iem Spring Washer G 3p5 Spacer wee SQ 20 x d pra o Pan Head Screw M3 x 8 3pcs P107 p iol ARP 10 Board SPU Board 18P9007 03P9369 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 F
52. er 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 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 th
53. erly 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 targets 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
54. es 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 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 Nes 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 a
55. etic variation Output TLL On using TLL Key RSD An interval of four seconds TTM ARP 10 Option viii 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 EQUIPMENT LIST Complete Set MODEL 1832 Name Type Code No aly Installation Materials CP03 16900 000 086 843 sig cable assy 10 m 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 m Type CodeNo ay Remarks RSB 0061 054A 1 For MODEL1932 Coun tee RSB 0062 055A 1 For MODEL1942 ee poo select one 4 Accessaries FP03 06400 000 086 872 lset 5 Spare Parts P03 12200 000 086965 Ist Optional Equipment Nae Tye
56. event 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 Bist HE g Scanner housing Silicone sealant Flat washer NN Spring washer Hex head nut 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 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
57. ey may be faulty Request service 23 5 4 Self Test 6 Press the ACQ key to check the display circuit The following pattern The self test facility checks the keyboard should appear ROM and RAM for proper operation 1 Press the MENU key 2 Select OTHER MENU 3 Select 23 Self Test and press the ACQ ENTER key The following display appears Self Test Key tset Press each key and check on screen indication ARP 10 TEST 1 OK 18990871xx SPEED OK NAVO OKT COURSE OK 1676 i 0003 SCAN TIME 0854 xix AX Figure 5 2 Test pattern VIDEO NG 7 Press the MENU key to show the brilliance adjustment menu a oe 8 To escape from the selftest press the AUTO ACQ 00 FE DATA1 0000 M E N U ke y 1 FE DATA2 0000 Program No 0359222 XX XX RAM EEPROM Magnetron Hours in use 000006 9H Tx hours 000001 1H OK ROM O 5 5 Life Expectancy of Press MENU for OTHERS menu The following table shows the life XX Program Version No expectancy of the magnetrons Figure 5 1 Self test screen Table 5 3 Life expectancy of magnetrons Model 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 except the omnipad ACQ and power keys Its corresponding
58. gt G gt 2 00 gt pel fi H ZXY gt e PRA PER See 0 1 Zz r 2 ll8 O aci 262 9 WOI G ES LOYINN 2 LL Poca Nic Dre SES CC LER dA E ce 900179090 80003d 9Y PW 1 GHQMOS 003 ddS9V M 5001 2050 21004dS9v nW er Drac uy d 9 lt IN09 9NINI ZW3MN 5 7 LV LV Md MOZ lt 9 1 lt 0301A ND gt 9 gt 01 i eu 9 E en FHN49 fi ene 0 0001 34 HE AD i gt p gt BE 007000JJS9V py 1 3OSN3S ONIQV3H DNS 1 1 HOD S g SELTA zl EC L0003dS9V 1 ee Das ND gt g Au Jy z lt i OND 2 V1V0 gt z rlg ON ui 1 Du 2 HS FVIVO MER nA 1 9 00791 ox 00l Qv ouug Sae el d 3 Y 2001 0080 0003d4S9V TW Y3143AN09 Q V obag ON 295 I ds d 69EIT dS9V TM cand ae TSAN gt g 40 LE K e lt TSAN DCH Nm uico f ON p gt TE ML ND gt 9 gt Ng ps 3 ON i G gt NI gt Z gt ca Bp we 2 14 D y i CHNID fs ONI DNINAL gt gt NM9 AS KK91 INI BNINII Hyde ELLA dEIHWII9P e TE D IL gt 2 EDITS OG go ugi g E8LOYINN LINE E ire XL 1H GL75090 6000dS9yfm 1 1991003 M jj KOLI NIYA OV GSC ddS9VTTM 2001 2050 2 1003dS9V nW rere PUES ip lt aS 9W iva e 30 YOLOW gt Nd KE 1 2 Ki MO1
59. in 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 A and target B 6 Press the EBL VRM SELECT key to choose VRMI 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 B 7 To cancel select EBL OFFSET on the menu and press the ACQ ENTER key 10 a y EBL1 VRM1 VRM 4 5 NM lt VRM1 range EBL1 gt 70 0 R 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 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
60. inimum Target selected for data reading Auto Acquisition Area Threatening target wes nl Nu VRM 13 5 R 0 142NM 0 048NM 0 100NM COURSE 287 8 T ARP Data Area Figure AP 2 ARP Display AP 4 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 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 LA 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 A LARGE CIRCLE The plot symbol of a target und
61. ions 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 1s 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 xu TRIP 2 5 Stand by When you won t be using the radar for an ex 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
62. isplay 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 when echo stretch 1s on Bearing Bearing direction direction agai lt _ _ gt Range direction Echo stretch 1 Echo stretch 2 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
63. 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 ton inside the guard zone If there is no 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 QN Un A W N Press the omnipad to select watchman rest period 5 minutes 10 minutes or 20 min
64. n 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 i F Hdg Sensor Gyro Key Beep Ant on Tx Stop Dead Sector 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 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 WARNING 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 ten
65. n 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 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
66. n 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 is 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 e UCODL L Own ship Multiple echo Figure 4 1 Multiple echoes 4 2 Side lobe Echoes Every time the antenna rotates some radiation 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 Uae True echo Side lobe Sprious target Antenna Figure 4 2 Side lobe echoes 4 3 Indirect Echo
67. na 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 m 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 to 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 g
68. nally left blank MENU TREE H RINGS Off 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 oo RON 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 CONOOaR WN Disp Data Off Nav ARP All 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 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
69. nd range j 4 4 Bli Fouet Sindee 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 LN Hazardous voltages can shock burn or cause death Only qualified personnel totally famillier with electrical circuits should work inside the units Turn off the power before performing any maintenance or troubleshooting procedure 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 unit 5 1 Preventative Maintenance Regular maintenance is 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 1n 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 repla
70. nded to readjust them in accordance with the operating mode selected AP 2 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 e echo intensity e radar transmission pulsewidth e radar bearing error e gyrocompass error e 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 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 be
71. of A C 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 OFF 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 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
72. rk wes NY Helias baee wen t VRM 0 048NM 0 100NM WAYPOINT i uev Navigation 50 0 M 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 DAS omnipad l 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 On 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 on stand by display STBY or navigation data or go into the economy mode Select On to display the dead sector 23 Self Test Test keys ROM and RAM check antenna rotation speed and display program no 24 Installation Setup Go to the installation setup menu 18 3 11 Function Keys The function keys Fl 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
73. roaches 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 EBL 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 here 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 targets The procedure which follows shows how to measure the range and bearing between target A and target B in Figure 2 11 1 Press the omnipad to place EBL1 s origin cursor on the center of target A 2 Press the EBL VRM SELECT key to choose EBL1 readout and then press the EBL VRM CONTROL key 3 Select EBL OFFSET on the menu and press the ACQ ENTER key EBL1 s orig
74. roduct Discard this product according to local regulations for the disposal of industrial waste For disposal in the USA see the homepage of the Electronics Industries Alliance http www eiae org for the correct method of disposal How to discard a used battery Some FURUNO products have a battery ies To see if your product has a battery ies see the chapter on Maintenance Follow the instructions below if a battery ies is used In the European Union The crossed out trash can symbol indicates that all types of batteries must not be discarded in standard trash or at a trash site Take the used batteries to a battery collection site according to your national legislation and the Batteries Directive Cd 2006 66 EU In the USA The Mobius loop symbol three chasing arrows indicates that Oy Oy Ni Cd and lead acid rechargeable batteries must be recycled BY amp Take the used batteries to a battery collection site according to local laws Ni Cd Pb In the other countries There are no international standards for the battery recycle symbol The number of symbols can increase when the other countries make their own recycling symbols in the future SAFETY INSTRUCTIONS A WARNING 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
75. round 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 up into small dots and small targets become distinguishable If the control 1s set too low targets will be hid den in the clutter while if it is 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 prop
76. ss 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 VRMI 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 135 9 R 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 measurements 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 app
77. stles 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 Range 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 different 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
78. t 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 3 239nm 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 to 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
79. the signal cable through the antenna base and the cable gland assembly re moved in step 2 4 M4x10 CLAMP PLATE PACKING FLAT L WASHER L Figure 6 13 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 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 the scanner housing surface Radiator bracket Face in stern direction Al Slotted pin Figure 6 16 How to insert slot pins 3 Now is the 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
80. tween 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 s 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 1s 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 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 Sele
81. ulse 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 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 backg
82. ve 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 Him 1942 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 comes 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 C Mounting Model 1832 Figure 6 1 Typical antenna unit location Unpacking

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