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Furuno FMD-811 Radar Detector User Manual

1. i Video Sounder 52222222 Heading Sensor AD 100 Equivalent to 0183 10 2 31 2 m m OM PR 62 115 230 VAC 1 OPERATION 1 1 Control Description Registers selection on menus Press to adjust gain A C RAIN STC and A C AUTO ENT ECHO MENU HM OFF m RANGE Adjusts display tone Turns the EBL on off Plots targets trails Sets guard zone area Selects display mode ou erases heading error indication TONE m B TRAIL Figure 1 Control panel BRILL lt H RINGS OFF CENTER 5 POWER Cursor pad Shift cursor VRM and EBL select items and options on menu Opens closes menus Erases heading marker selects cursor data Lat Long R B outputs cursor position Selects radar range Adjusts display brilliance Turns the VRM on off Turns the range rings on off Off centers the display Sets radar in stand by displays radar picture Turns power on off 1 2 Display Indications and Markers Heading requires heading data Range Range ring interval Off center HDG 326 8 1 0 5 OFF vv CENTER Heading marker Guard zone area Cursor EBL VRM EBL 0 675 220 9 range bearing N GNU CURSOR 0 646nm 308 7 R Cursor bearing Echo t
2. i i Own ship True echo Target Multiple echo Figure 2 4 Multiple echoes Side lobe echoes Every time the scanner rotates some radia tion 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 represented on both sides of the true echo at the same range as shown in Figure 2 5 Side lobes show usually only at short ranges and from strong targets They can be reduced through careful reduction of the sensitivity or proper adjustment of the STC TETUR True echo z Side lobe Spurious 4 target Scanner Figure 2 5 Side lobe echoes 20 Indirect echoes Indirect echoes may be returned from either a passing ship or returned from a reflecting surface on your own ship for example a stack In both cases the echo will return from a legitimate contact to the antenna by the same indirect path The echo will appear on the same bearing of the reflected surface but at the same range as the direct echo Fig ure 2 6 illustrates the effect of an indirect echo Indirect echoes may be recognized as follows they usually occur in a shadow sector they appearon the bearing of the obstruc tion but at the range of the legitimate con tact when plotted their movements are usu ally abnormal and heir shapes may indicate they are not di r
3. 023 Figure 4 4 Display for adjustment of gain STC A C SEA A C RAIN 4 Press the cursor pad to select GAIN AUTO if it is not already selected 5 Select minimum range Press the ECHO key and press the cursor pad to select STC AUTO if it 1s not already selected Note When the unit is connected to the radar having a linear amplifier the radar picture may not be adjusted through the menu 4 6 Displaying the Installation Menus Two sets of installation menus Installation Setup 1 and Installation Setup 2 enable en try of initial settings and adjustment of the radar picture Procedure 1 Turn the power while pressing and holding down the HM OFF key 2 Press the MENU key 32 MAIN MENU Select item by AY keys and press ENT key 1 Backlight Brilliance 2 P L IR NR amp Radar Mode 3 Nav Data 4 Mode amp Function 5 Self Check 6 Installation Setup 1 Press HM OFF to temporarily hide menu Press MENU key to escape Figure 4 5 main menu 3 Press the cursor pad to select Installa tion Setup 1 and press the ENT key e INSTALLATION SETUP 1 Select item and option by 7 keys 1 Key Beep OFF ON 2 Hdg Sensor MAG GYRO 3 Demo Display OFF ON 4 Ant Height LOW MED HIGH 5 Installation Setup 2 Press HM OFF to temporarily hide menu Press MENU for main menu Figure 4 6 Installation setup menu 1 4 To display the Installation S
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5. Appearance of rain clutter Figure 1 6 Effect of A C RAIN A C RAIN adjusted rain clutter suppressed Turning on off A C AUTO The A C AUTO function automatically sup presses sea clutter as well as rain clutter Note however that with the A C circuit on weak targets may be suppressed 1 9 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 rings Press the RINGS key to display the range rings Count the number of rings between the center of the display and the target Check the range ring interval at the top left corner and judge the distance of the echo from the inner edge of the nearest ring By cursor Operate the cursor pad to place the cursor intersection on the inside edge of the target echo The range to the target as well as the bearing appears at the bottom of the dis play By VRM 1 Press the key to display the VRM 2 Press the cursor pad to place the VRM on the inside edge of the target cur sor appears and 1s linked with the VRM allowing you to measure both range and bearing to the target 3 Check the VRM readout at the bottom left hand corner of the display to find the range to the target Note The VRM is automatically anchored when no cursor pad key is operated within about 10 seconds To erase the VRM press and hold down the VRM key for about three seco
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8. 0 646 308 7 R Figure 1 17 Sample nav data display WAYPOINT 12 0nm 45 09 VRM EBL 0 675 240 1 n Setting up the nav data display 1 Press the MENU key 2 Select Nav Data and press the ENT key 14 e NAV DATA MENU Select item and option by keys 1 Navigator ALL GPS LC 2 Nav Data Disp OFF 3 Pos Disp Mode TD 4 Depth Unit M FA FT 5 Temp Unit C F 6 STBY Display NORM NAV Press HM OFF to temporarily hide menu Press MENU for main menu Figure 1 18 Nav data menu 3 Select Navigator GPS Loran C or ALL Select all if several navigators are nected to the unit this case position data 1s selected order of GPS Loran C and other 4 Select Nav Data Disp to OFF or ON 5 Select Pos Disp Mode to L L latitude and longitude or TD Loran C 6 Select unit of depth measurement to meters fathoms or feet 7 Select unit of measurement for water tem perature to Centigrade or Fahrenheit 9 Select whether to display nav data or ST BY for stand by for navigation data 9 Press the ENT key followed by the MENU key 1 21 Echo Stretch magnifying long range echoes 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 internal circuitry To stretch long range echoes in the range direction turn on the echo stretch functio
9. 1 29 Visual Alarm Indications The unit displays various visual alarms to alert you to error Table 1 1 Visual alarm indications Visual alarm No heading pulse HD SIG MISSING No bearing pulse BP SIG MISSING Heading signal appears turned off as heading The heading signal visual alarm may be cleared by pressing the DISP key 17 2 INTERPRETING THE DISPLAY As an aid to navigation radar can be a very valuable tool No other electronic naviga tion aid can give you the ability to spot ves sels coming at you in the fog or tell you the location of the inlet to the harbor in the pitch black of night To help you understand what your radar can and cannot do for you this chapter covers the characteristics of the radar wave target properties and radar wave reflec e range and bearing resolution and false echoes 2 1 The Radar Wave and Radar Horizon How the radar wave travels The radar wave tends to travel in straight lines at the speed of light However it 1s subject to bending or refraction in the atmo sphere the amount depending on region and density Super refraction Super refraction 1s a condition in which there is an upper layer of warm dry air over a surface layer of cold moist air Radar waves bend downward and thus increase the ranges at which targets may be detected Sub refraction Sub refraction is the reverse condition of super refraction
10. OFF CENTER appears at the top left corner on the display when the display 1s off cen tered Note off centered display is automatically canceled when the DISP MODE key is pressed and the range is 64 or 72NM Cursor 1 Place cursor where desired key cursor location becomes screen center Figure 1 15 Off centering the display 1 19 Echo Trails You can show the trails of targets in after glow This function is useful for alerting you to possible collision situations Starting echo trail Press the TRAIL key to start the echo trail function Afterglow starts extending from targets and TRAIL and the echo trail time appear at the top right hand corner of the display Press the key again within 3 sec onds to select a different trail time among 15 sec 30 sec 1 min 3min 6 min 30 min and continuous In continuous plotting the time elapsed appears at the top right corner on the display Note If the range is changed trails are painted anew with the newly selected range Figure 1 16 Appearance of echo trails 2 Press OFF CENTER Fixed time trails When the elapsed time clock counts up to the trail time selected the elapsed time dis play freezes The oldest portions of trails are erased so only the latest trail equal in length to the trail time selected 1s shown Then trails start extending again For example the one minute trail time 1 selected When the elapsed time display freez
11. a layer of cold air is above a layer of warm air Radar waves bend up ward and thus decrease the ranges at which targets may be detected 18 Radar horizon Radar is essentially a line of sight phe nomenon That means you have just about the same range to horizon with a radar as you do with your own eyes However under normal atmospheric conditions the radar horizon is 6 greater than the optical hori zon Therefore if the target does not rise above the horizon the radar beam cannot be reflected from the target The distance to the horizon from the scan ner under normal conditions 1s calculated by the following formula Rmax 2 2 X Ah h Where Rmax Radar horizon mile hl An tenna height meters h2 Target height meters D Horizon 2 d Wave path Figure 2 1 Radar horizon 2 2 Target Properties and Radar Wave Reflection Generally larger targets can be seen on the radar display at greater ranges provided line of sight exists between the scanner and target However a large target with poor reflecting properties may not be detected as easily as a smaller target with better reflect ing properties For example you might ex pect a lighthouse to be a good radar target because of its size In actuality the return echo 1 weak since the conical shape diffuses most of the radiated energy A ship whose hull is made of conducting materials such as steel will
12. the SPU Board as follows 1720 Series 3P connector to J57 and 11P connector to J52 1830 FR 7000D Series 3P connector to J57 and 9P connector to J52 1721 Series 3P connector to J57 and 14P connector to J52 Make a hole in OPTION on the rear of the remote display and connect the signal cable supplied with FMD 811 there Connect the other end of the signal cable to J21 on the BUFFER Board Seal the hole with sealing putty Confirm wiring Attach cover of main radar A 4 Operation Checks l Connect antenna and power cables Turn on the main radar 2 Transmit the main radar Confirm that the picture 1 as before the installation 3 Turn on the remote display and set it to transmit condition Confirm that the same picture appears on both the main radar and the remote display 4 Confirm that the picture on the main radar does not change when the remote display is oper ated A 5 Troubleshooting It main radar cannot be turned on Jil and JI2 Reverse are reversely J11 power to main radar turns off soon after being T19 turned on there is no picture on main radar even though radar pulses are being transmitted main radar 1s out of tune gain control on main radar does not provide intended function heading indication on main radar 1 wrong HEADING SIGNAL MISS appears on main radar A 6 Specifications Complete Set BUFFER Board 03P9199 70 x 55 mm Installation EH Connec
13. true bearing as follows True bearing re quires heading sensor input 1 Press the MENU key 2 Select Mode amp Function and press the ENT key 3 Select EBL Ref 4 Select Rel ative or True 5 Press the ENT key followed by the MENU key 1 24 Erasing the Heading Marker The heading marker continuously appears on the display and shows your vessel s head ing When this mark obscures a target echo you can temporarily erase it by pressing and holding down the HM OFF key Release the key to redisplay the marker 15 1 25 Deselecting Ranges The unit has 14 ranges some which you may not require You can deselect up to eight ranges as follows 1 Press the MENU key 2 Select Mode amp Function and press the ENT key 3 Select Range and press the ENT key Active ranges appear in reverse video 4 Press 4 or P to select range to disable or enable Current selection 1s underlined 5 Press ENT 6 Repeat steps 4 and 5 to disable or en able other ranges 7 When finished press the MENU key 1 26 Displaying Navigation During Stand by Various navigation data can be displayed during stand by A barometer 1s built 1n the unit atmospheric pressure appears in graph form on the navigation dat display during stand by If your navigation aid can output data in NMEA 0183 format your vessel s position in latitude and longitude the range and bearing to waypoint speed course
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16. Display for adjustment of GAIN STC A C RAIN 2 Press the cursor pad to select item to ad just Current selection 1s circumscribed by dashed rectangle 3 Press the ENT key 3 Press the cursor pad to set level 4 Press the ECHO key to finish The A C AUTO function automatically sup presses sea clutter as well as rain clutter Note With the radar having a linear amplifier radar picture may not be adjusted properly through the menu How to adjust the gain sensitivity The gain works in precisely the same man ner as the volume control of a broadcast re ceiver amplifying the signals received You can adjust the gain automatically or manually For manual adjustment adjust the ground noise 1 clearer on that range The proper setting 1 such that the background noise is just visible on the screen If you set up for too little gain weak echoes may be missed On the contrary excessive gain yields too much background noise strong targets may be missed because of the poor contrast between desired echoes and the background noise on the display How to adjust STC suppressing sea clutter Echoes from waves can be troublesome covering the central part of the display with random signals known as sea clutter The higher the waves and the higher the scan ner above the water the further the clutter will extend Sea clutter appears on the dis play as many small echoes which might af fect radar performance Se
17. FURUNO OPERATOR S MANUAL RADAR REMOTE DISPLAY FMD 811 FURUNO ELECTRIC LTD NISHINOMIYA JAPAN FURUNO ELECTRIC CO LTD 9 52 Ashihara cho Nishinomiya Japan Telephone 0798 65 2111 Telefax 0798 65 4200 All rights reserved Printed in Japan PUB No OME 34270 Local Agent Dealer FIRST EDITION NOV 1995 J APR 3 2001 LLLI 00080742500 A SAFETY INFORMATION NOTIICE CAUTION and WARNING notices appear throughout this manual It is the responsibility of the operator and installer of the equipment to read understand and follow these notices If you have any questions regarding these safety instructions please con tact a FURUNO agent or dealer A WARNING N CAUTION NOTICE Hazardous voltage Can shock burn or cause death Only qualified personnel should work in the unit Turn off the power at the ship s mains switchboard before beginning the installation Post a warning sign near the switchboard to ensure the power will not be applied while the radar system is being installed Electrical shock fire serious injury or death can result if the power is not turned off or is applied while the equipment is being installed This notice indicates a potentially hazardous situation which if not avoided could result in death or serious injury This notice indicates a potentially hazardous situation which if not avo
18. Interval Range and Bearing to Cursor Off Center OFFCENTER With navigation input option Course CRS Latitude and longitude Speed SPD Range and bearing to waypoint WP Cross Track Error XTE Date and time Water depth Water temperature This radar has only two data input ports To receive data from more than two equipment install an mixing device 6 Graphic indication Barometer Water Depth with optional depth data input 7 Vibration Vibration freq Total amplitude 5 to 12 5 Hz 1 6 mm 12 to 25 Hz 0 35 mm 25 to 50 Hz 0 10 mm 8 10 11 12 13 14 Useable temperature 0 C to 60 C Due to the inherent nature of the LCD its contrast may be affected under ambient temperature below 0 32 F or above 50 C 122 F Useable humidity Relative humidity 95 or less at 40 Waterproofing IEC Pub no 529 IPX5 Power supply amp power consumption 12 V or 24V 10 2 V to 31 2 V DC 14 W approx Protection features Protection against reverse polarity overvoltage overcurrent and internal fault Compass safe distance Standard Steering compass compass Connectable Radars Radars having log amplifier MODEL 1831 MODEL 1931 MODEL 1941 FR 7041 7111 FR 1500 M2 Series FR 8051 8111 8251 FR 2000 Series FR 2100 Series Radars having linear amplifier MODEL 1941R MODEL 821 841 FR 7041R FR 1400 Series FCR 1400 M3 Series FR 1500 Series FR 8000 Series vi 15 I
19. Self Check The following display appears SELF TEST KEY BOARD TEST Press each key Cor responding key on the screen turns black Prog NO 03591081 ROM OK RAM OK On Hours 000019 5H lt gt MENU Figure 3 1 Self test screen 3 To check the keyboard press a key Its corresponding location on the display lights in black if the key 1s operating prop erly 4 To escape the test press the MENU key 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 25 4 INSTALLATION NOTICE The installation of this equipment requires certain electrical and mechanical skills If the owner of the equipment has doubts about his or her technical abilities we recommend that the equipment be installed by a qualified technician 4 1 Mounting Considerations When selecting a mounting location for the unit keep in mind the following points e The unit is designed and constructed to be splashproof thus it can be installed outdoors You can even hose it down af ter a day s outing If it is to be installed outdoors we recommend installing it an enclosed cabinet for maximum protec tion against the marine environment e The temperature and humidity of the mounting location should be stable and moderate No LCD can provide adequate
20. and hold down the GUARD key until the guard zone disappears Notes on the guard alarm When the radar range is less than one half of the guard zone range the guard zone disappears from the display and UP RANGE appears If this happens raise the range to redisplay the guard zone A target echo does not always mean a landmass reef ships or surface objects but can imply returns from sea surface or precipitation As the level of these returns varies with environment the operator should properly adjust the STC eain sen sitivity A C RAIN and A C AUTO to be sure the alarm system does not over look target echoes Asterisk blinking Guard zone to set Drag cursor ere 1 Mentally create the guard zone to set 2 Drag cursor to top left corner of zone and press GUARD Guard zone Drag cursor here 4 Guard zone completed 3 Drag cursor to bottom right corner of zone and press GUARD Figure 1 13 How to set a guard zone 11 1 16 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 1 14 illustrates interference in the form of curved spokes Interference effects are distinguishable from normal ech oes because they do n
21. contrast if the ambient temperature is too extreme e The unit consumes only a moderate amount of power so there is no need for forced air ventilation However you should provide adequate space behind and around the unit to permit circulation of air and to provide convenient access to the rear connectors 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 unit in a position where you can view and operate it conveniently but where there 1 no danger of salt or fresh water spray or immersion The orientation of the unit should be so 26 the screen 15 viewed while the operator 15 facing in the direction of the bow This makes determination of your position much easier e 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 mounting knobs Make sure you leave at least a foot or so of service loop of cables behind the unit so 1 can be pulled forward for servicing or easy removal of the connectors A magnetic compass will be affected if placed too close to the unit Observe the minimum compass safe distances to pre vent deviation of a magnetic compass standard compass 0 7 meters and stan dard compass 0 5 meters 4 2 Mounting Procedure The unit is designed to be
22. mounted on a tabletop 1 Using the hanger as a template mark screw locations in the mounting location 2 Fix the hanger to the mounting location with four M6 tapping screws supplied 3 Fit the knob bolts to the unit 4 Install the unit in the hanger 5 Tighten the knob bolts securely 7 0277200000 7 4 06 FIXING HOLES _ SERVICING CLEARANCE Figure 4 1 How to mount the unit 27 4 3 Connections Connect the signal and power cables the eround wire and optional equipment as shown in Figure 4 2 Covered not use HDG connector Connect heading sensor nere NMEA connector Connect navaid nere Power cable connector onnect power cable here AM OPTION connector Connect navaid video sounder etc here OPTION Signal cable connector Connect signal cable from radar here A N CAUTION Tighten the boot band Ground terminal 4 Connect ground wire between here and ship s ground See page 34 Figure 4 2 Display unit rear view Radar connection The unit can be connected to the following radars Fo
23. restore normal operation If you cannot re technician store normal operation do not attempt to you pressed the Table 3 2 Troubleshooting table the control panel does try adjusting the control panel back POWER key to turn not light lighting on the Brilliance Backlighting on the radar the radar has warmed up and you pressed the ST BYTX key to transmit you have adjusted the gain with A C AUTO and 5 off menu battery may have discharged check fuse in power cable nothing appears on try adjusting the tone the display or display Extreme ambient temperature may contrast is poor affect display tone characters are request service distorted characters and have a qualified technician check the indications are Set abnormal neither noise nor check signal cable for damage targets appear indications and markers do neither indications 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 key may be faulty Request service 24 3 5 Self Test The self test facility checks the keyboard ROM and RAM for proper operation You may run the test as follows 1 Press the MENU key 2 Select
24. up Selecting WPT UP mode You may select WPT UP instead of CU on the menu CU couse up An azimuth stabilized display which the line connecting the center with the top of the displau indicates own ship s intended course WPT UP waypoint up An azimuth stabilized display in which the line connecting the center with the top of the display indicates the bearing to the waypoint which is selected on the radionavigational equipment connected to the radar When navigating a route and own ship enters the arrival zone of a waypoint the radar displays the bearing to the next TO waypoint Procedure 1 Press the MENU key to open the menu 2 Press the cursor pad to select 2 P L IR NR amp Radar Mode 3 Press the cursor pad to select Radar mode 4 Select option for CU or WPT UP 5 Press the ENT key followed by the MENU key 1 12 Menu Operation The menu consisting of 6 sub menus mostly contains less often used functions which once preset do not require regular adjust ment To open or close the menu press the MENU key You can select items on the menu with the cursor pad Basic menu operation 1 Press the MENU key to open the menu The main menu appears MAIN MENU Select item by AWkeys and press ENT key Backlight Brilliance P L IR NR amp Radar Mode Nav Data Mode amp Function Tuning Self Check Installation Setup 1 AUTO MANUAL Set pulsel
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26. E key Four modes are avail able with navigation input Normal Nor mal Window Normal Nav Data and Normal Window Nav Data Window Display Nav Display ON Window Display Nav Display WIDE Each time the key is pressed the display mode changes in one of the sequences shown below depending on equipment connected and menu settings Note In the window display mode the DISP MODE key reselects zoom area To select the display mode while in the window display mode press the key twice ZOOM OFF CURSOR NM WIDE OFF Figure 1 10 Display modes 1 14 The Window Display The window display appears at the bottom ar Area selector 1 4 or 1 3 of range right or left 1 4 of the display Two types X O gt of window displays are available zoom and P4 wide Zoom doubles the size of the area se 4 Window lected by the operator and wide range up display area CURSOR VRM EBL CURSOR YPM compresses and displays the entire radar pic ture on the next higher range VRM EBL kk NM 1 Press DISP MODE to select the window 2 Press cursor keys Note The zoom display does not function on to select area to zoom the 0 125 and 0 25 nm ranges display and press ENT Fi 1 11 How to select Selecting the type of window display m nm 0 opm 1 Press th
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29. N XX NN EBL CURSOR 300 1 0 675nm 300 1 n EBL bearing Figure 1 8 Measuring bearing by the EBL Tips for measuring the bearing Bearing measurements of smaller targets are more accurate the center of larger tar get echoes 1s not as easily identified Bearings of stationary or slower moving targets are more accurate than bearings of faster moving targets To minimize bearing errors keep echoes in the outer half of the picture by chang ing the range scale angular difference be comes difficult to resolve as a target approaches the center of the display Target on collision course with your vessel You can determine if a target might be on a collision course with your vessel by placing the EBL on the target If it tracks along the EBL as it approaches the screen center it may be on a collision course with your vessel 1 11 Selecting the Presentation Mode FMD 811 provides four presentation modes head up course up course up or waypoint up selectable on menu north up and true motion Press the DISP MODE and HM OFF keys together to select a presentation mode Each time the keys are pressed if heading signal 1 input to the radar the pre sentation mode changes in the sequence of HU CU or WU NU TM If there 1s no heading signal input to the radar the pre sentation mode 1 always HU HU CU head up course up WPT UP waypoint up TM NU true motion north
30. Radar Detach cover of the main radar 2 Disconnect the wire assembly connected to J52 on the SPU Board 3 Clean the mounting location for the BUFFER Board in the main radar referring to the illustra REAR tions on this page for mounting CHASSIS location FRONT PANEL 4 Peel off cover tape from double side tape on the BUFFER Board and attach the board to the chas SIS 1720 Series 5 Allow 20 minutes for the board to adhere to the chassis FRONT PANEL FRONT PANEL ri site gebe SPU Board LI e t tI LL LL en REAR CHASSIS 1630 Series 1721 Series A 3 Wiring 1 Connect wire assembly disconnected in step 2 in the previous section between J12 on the BUFFER Board and DJ 1 on the rear chassis Because the wire assembly is long be sure it does not touch the FIL Board or CRT Locate it near the BUFFER Board On the BUFFER Board connect the appropriate wire assembly supplied as follows 1720 Senes wire assy 1 connector to J22 and 3P connector to 1830 FR 7000D Series wire assy 2 9P connector to J22 and 3P connector to J11 1721 Senes wire assy 3 14 connector to J22 and 3P connector to J11 Route the wire assembly connected at step 2 to the SPU Board through the path previously used to pass wire assembly between DJ 1 and the SPU Board Connect the wire assembly to
31. anges 16 1 26 Displaying Navigation During 16 1 27 Outputting Cursor Position to 17 1 28 Displaying Cursor Position Range and Bearing to Cursor 17 1 29 Visual Alarm Indications 17 2 INTERPRETING THE DISPLAY 2 The Radar Wave and Radar Horizon 18 2 2 Target Properties and Radar Wave Relec HOD debo 18 2 3 Range Resolution 19 2 4 Bearing Resolution 19 2 9 palse CNOCS rct 19 2 6 Nautical Chart and Radar Picture 21 3 MAINTENANCE amp TROUBLESHOOTING 3 1 Safety Information 22 3 2 Preventative Maintenance 23 3 3 Replacing the Fuse 23 3 4 Troubleshooting 24 JIPEN lOS e 25 4 INSTALLATION 4 1 Display Unit Installation 26 4 2 Mounting Procedure 26 Z i ud 28 4 4 Installation Check List 3l 4 5 Initial Adjustment of Picture 3l 4 6 Displaying the Installation Menus 22 4 7 Entering Initial Settings 33 4 8 Relative Bearing alignment 33 4 9 SWEEP 34 4 10 Closing the Installation Menus 34 4 11 Sig
32. ator _ ALL GPS 1 navigator accuracy GPS Loran and other 2 Nav Data Disp ofr on Turns navigation data display on off Pos Disp Mode TD Selects position display format latitude and M FA FT longitude or Loran TDs EN Selects unit of t for depth 6 STBY Display aa Selects unit of measurement for depth NORM NAV meters feet or fathoms Press HM OFF to temporarily Selects unit of measurement for water hide menu temperature jC or Selects what to display during stand by navigation data requires navigation input or STBY Press MENU for main menu amp FUNCTION MENU 6 selects window display format zoom or Select item and option wide by AY keys Selects watchman interval among 5 min 1 Window Display ZOOM WIDE 10 min or 20 min 2 Watchman OFF 5 10 20 Selects alarm mode IN alarm to targets 3 Alarm Mode IN OUT entering the guard zone or OUT alarm to targets exiting the guard zone E 5 43 TED 8 Selects VRM unit nm km or sm LG 6 19 46 54 56 25 Selects EBL reference relative or true Selects ranges to use Select range to enable disable and press ENT key Press HM OFF to temporarilv hide menu Press MENU for main menu Selects AUTOMATIC or MANUAL tuning Self Check Checks the radar system for proper operation Default settings shown in boldface 1 13 Selecting the Display Mode The display mode may be selected with the DISP MOD
33. d alarm can be set to sound on tar gets entering guard in or exiting guard out the guard zone Select type of guard zone as follows 1 Press the MENU key to display the menu 2 Select Mode amp Function and press the ENT key 3 Select Alarm Mode to IN or OUT 4 Press the ENT key followed by the MENU key Dashed line no alarm IN ALARM OUT ALARM Figure 1 12 In and out alarms Setting the guard zone 1 Mentally create the guard zone you want to display See Figure 1 13 1 2 Operate the cursor pad to set cursor on top bottom left edge of the guard zone Press the GUARD key G IN or with asterisk blinking appears at the top right hand corner on the display The asterisk indicates the guard zone 1 partially set See Figure 1 13 2 3 Operate the cursor pad to set cursor on bottom top right edge of the guard zone and press the GUARD key The aster isk disappears See Figure 1 13 3 4 Guard zone appears on the display See Figure 1 13 4 Silencing the audible alarm Any ships landmasses etc coming into or going out of the guard zone will trigger the audible alarm and display the guard zone in reverse video You can silence the alarm by pressing the GUARD key When this 15 done G ACKN replaces G IN or G Press the GUARD key again to reactivate the alarm G IN or G OUT replaces G ACKN Canceling the guard zone Press
34. d by or is turned off before start ing work on the scanner unit A Turn off the power before per forming any maintenance or troubleshooting procedure 3 2 Preventative Maintenance Regular maintenance 1 important for good performance 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 estab lished and should at least include the items listed Table 3 1 3 3 Replacing the Fuse The 5A fuse in the power cable protects the equipment against reverse polarity of ship s mains overcurrent and equipment fault If the fuse blows find the cause before replac ing it Never use a fuse rated for more than 5A serious damage to equipment may re sult and void the warranty Table 3 1 Recommended maintenance program 3 to 6 LCD The LCD will in time months accumulate a coating of dust which tends to dim the picture Wipe LCD lightly with a soft cloth Do not use chemical cleaners to clean any part of the display unit they can remove paint and markings 6 months Display unit Check for tight connection and If corroded contact your dealer to 1 year connectors corrosion for replacement 23 3 4 Troubleshooting Table 3 2 contains simple troubleshooting check inside any unit of the radar system procedures which you can follow to try to Any repair work is best left to a qualified
35. date time and cross track error may be input to the unit and be seen in the bottom text area during stand by Further with video sounder input depth may be displayed both digitally and in graph form Procedure 1 Press the MENU key 2 Select the Nav Data menu and press the ENT key 3 Select STBY Display to NAV and press the ENT key 4 Press the MENU key Note depth display scale changes auto 16 matically with depth and the maximum depth is 1 000 meters Further the unit of depth mea surement is fixed to meters N CAUTION The barometer and depth displays are intended as reference Any data displayed by them should be used with extreme caution 12 9 6 3 HOUR BAROMETER DEPTH DATE TIME TEMP 08 22 15 19 30 0 DEPTH XTE SPD 827 m 0 6NM 30 0KT WAYPOINT POSI L L 12 0NM 114 8 R 2 CRS 0 0M 0 0 5 1 Figure 1 20 Navigation data display during stand by 1 27 Outputting Cursor Position to Navigator Cursor position NMEAO183 data sentence TLL can be output to the navigator by press ing and holding down the HM OFF key 1 28 Displaying Cursor Position Range and Bearing to Cursor The cursor data indication at the bottom of the display can show cursor position in lati tude and longitude or the range and bearing from own ship to the cursor You can select the indication desired by pressing the HM OFF key
36. e MENU key 2 Select Mode amp Function and press the d 1 15 Guard Alarm ENT key Note When you place the circle cursor behind the window display the window display shifts left or right so you may view the circle cursor 3 Select Window Display to Zoom or Wide range up 4 Press the ENT key followed by the MENU key Selecting the area for the zoom picture 1 Press the DISP MODE key to select the window display The area selector is a solid circle 2 Press the cursor pad to place the circle cursor area selector on the area to zoom 3 Press the ENT key The area selector becomes a dashed circle and the cursor can be moved indepedently To reselect area to zoom press ENT or DISP MODE and follow steps 2 and 3 10 The guard alarm allows the operator to set the desired range and bearing for a guard zone When ships islands landmasses etc enter or exit depending on type of guard zone in use the guard zone an audible alarm sounds to call the operator s attention The alarm 1s very effective as an anticollision aid when using an autopilot or navigating in narrow channels N CAUTION The guard alarm is a useful anti collision aid but does not relieve the operator of the responsibility to also keep a visual lookout for possible collision situations The alarm should never be used as the sole means for detecting possible collision situations Selecting guard zone type The guar
37. e equipment malfunction Be sure the unit is well away from equipment which gives off magnetic fields speaker power transformer etc TABLE OF CONTENTS iV SPECIBIC NTIQUN S V 1 OPERATION 1 1 Control Description 1 1 2 Display Indications and Markers 2 1 3 Turning the Radar On and Off 2 1 4 Showing Radar Picture 3 1 5 Selecting the Range 3 1 6 Adjusting LCD Backlighting and Display nonet 3 1 7 Adjusting Control Panel Brilliance 3 1 8 Adjusting GAIN STC A C RAIN and AC AU TO aa niet ted 3 1 9 Measuring the Range 5 1 10 Measuring the Bearing 6 1 11 Selecting the Presentation Mode 7 1 12 Menu Operation 7 1 13 Selecting the Display Mode 9 1 14 The Window Display 10 10 1 16 Suppressing Radar Interference 12 1 17 Suppressing Noise Interference 12 1 18 Off Centering the Display 12 Echo Tra utei rit 13 1 20 The Navigation Data Display 14 l2 LECHO 14 1 22 Selecting Unit of Measurement dieses 15 1 23 Selecting Bearing Reference 15 1 24 Erasing the Heading Marker 15 1 25 Deselecting R
38. e the left hand figure in Figure 1 5 The STC reduces the amplification of ech oes at short ranges where clutter 1 the great est and progressively increases amplification as the range increases so am plification will be normal at those ranges where there is no sea clutter The control is effective up to about 4 miles STC can be adjusted automatically or manu ally For manual adjustment first adjust the eain and then transmit on short range Ad just the STC level such that the clutter 1 broken up into small dots and small targets become distinguishable If the setting 1s set too low targets will be hidden in the clutter while if it is set too high both sea clutter and targets will disappear from the display In most cases adjust so clutter has disap peared to leeward but a little 1s still visible windward If there 1 no clutter visible on the display turn off the circuit Sea clutter at display center STC adjusted sea clutter suppressed Figure 1 5 Effect of STC How to adjust A C RAIN The vertical beamwidth of the scanner is de signed to see surface targets even when the ship 1s rolling However by this design the unit will also detect rain clutter rain snow hail etc in the same manner as normal tar gets Figure 1 6 shows the appearance of rain clutter on the display When rain clutter masks echoes over a wide range raise the A C RAIN slightly to dis tinguish targets from the clutter
39. earing Resolution Bearing resolution 15 a measure of the capa bility of a radar to display as separate tar gets the echoes received from two targets which are at the same range and are close together The principal factor which affects bearing resolution 1s horizontal beamwidth Two tar gets at the same range must be separated by more than one beamwidth to appear as sepa rate pips Radar is able to display two Target distinct target echoes e Horizontal beamwidth CO Direction of scanner rotation Target Horizontal beamwidth Direction of scanner rotation Radar cannot display targets as separateechoes because they are within the beamwidth Figure 2 3 Bearing resolution 2 5 False Echoes Occasionally false echoes appear on the screen at positions where there is no target In some cases the effects can be reduced or eliminated The operator should familiarize himself or herself with the appearance and effects of these false echoes so as not to confuse them with echoes from legitimate contacts 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 ech 19 oes may be observed on the display at double triple or other multiples of the ac tual range of the target as shown in Figure 2 4 Multiple reflection echoes can be re duced and often removed by decreasing the sensitivity or properly adjusting the STC
40. ect echoes Heading mark Target Direct path Indirect path Obstruction mast funnel etc True echo Indirect Indirect Direct echo path D P Heading mark True echo a Indirect Indirect echo echo Figure 2 6 Indirect echoes Blind and shadow sectors Funnels stacks masts or derricks in the path of antenna may reduce the intensity of the radar beam If the angle subtended at the scanner is more than a few degrees a blind sector may be produced Within the blind sector small targets at close range may not be detected while larger targets at much ereater ranges may be detected See Figure 2 7 Vessel taller than wharf Mast etc in path of radar beam Wharf Blind sector Size of blind sector depends on target size and range Figure 2 7 Blind and shadow sectors 2 6 Nautical Chart and Radar Picture Under normal conditions a picture which is similar to a nautical chart can be obtained on the radar display However a radar can not show targets which are below the hori zon show a target which is hidden by a larger one see around corners for example sea wall e distinguish between two targets which are very close together either in range or bearing For example a vessel towing another will probably appear as one ves sel as both will be covered by the beam at the same time The nautical chart and
41. ength and interference noise rejectors and CU WPT UP in Radar mode Press MENU key to escape Figure 1 9 Main menu 2 Press the cursor pad to select menu and press the ENT key 3 Press the cursor pad to select menu item 4 Press the cursor pad to select option 5 Press the ENT key to register selection 6 Press the MENU key to close the menu Menu description see the table on the next page Table 1 1 Menu description BACKLIGHT BRILLIANCE MENU Selects control panel backlighting four is Select item and option maximum backlighting by AY keys Selects brilliance for echo trails and 1 Panel markers four is maximum brilliance 2 Echo Trails Press HM OFF to temporarily hide menu Press MENU for main menu e P L IR NR amp RADAR MODE Selects pulselength for 1 5 and 3 mile Select item and option ranges by AY keys Selects radar interference rejector level 3 1 Pulselength SHORT LONG provides highest degree of rejection 2 Int Reject OFF 1 2 3 Turns noise rejector on off 3 Noise Reject OFF ON Turns echo stretch on off 4 Echo Stretch OFF 5 Radar mode CU WPT UP Select mode for CU or WPT UP Press HM OFF to temporarily hide menu Press MENU for main menu e NAV DATA MENU e Selects navigator among GPS Loran and Select item and option all navigators available In the setting by AY keys the radar selects a navigator in order of 1 Navig
42. ent the ship s heading to the target dead ahead To minimize er ror keep echoes in the outer half of the picture by changing the range 2 Display the Installation Setup 2 menu INSTALLATION SETUP2 Select item and option by trackball 1 Align Heading 2 Adjust Sweep Timing 3 On Hours 000019 8 H Press HM OFF to temporarily hide menu Press MENU for main menu Figure 4 6 Installation setup 2 menu 3 Select Align Heading and press the ENT key 4 Press the cursor pad to bisect the target selected at step 2 with the EBL 5 Press the ENT key 6 Asafinal test move the boat towards a small buoy and confirm that the buoy shows up dead ahead on the radar when it 1 visually dead ahead 33 4 9 Sweep Timing This adjustment ensures proper radar pic ture especially on short ranges The radar measures the time required for a transmit ted echo to travel to the target and return to the source The received echo appears on the display 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 star
43. es at 60 seconds all but the latest one minute of trails are erased and then trailing continues Continuous trail The maximum continuous trail time is 99 minutes and 59 seconds When the elapsed time clock counts up to that time the elapsed time display 15 reset to zero all trails are erased and then trailing 1 restarted Adjusting brilliance of afterglow The brilliance of the trails afterglow can be set on the Backlight Brilliance menu 1 Press the MENU key 2 Select Backlight Brilliance and press the ENT key 3 Select Echo Trails 4 Select brilliance 5 Press the ENT key followed by the MENU key Canceling echo trails Press the TRAIL key to erase the TRAIL indication 13 1 20 The Navigation Data Display Navigation data can be displayed at the screen bottom if the unit receives naviga tion input in NMEA 0183 format Naviga tion data include e position in latitude and longitude or Lo ran C time differences TDs bearing and range to a waypoint selected on the navigator e cross track error XTE the amount in nautical miles and the direction the ves sel if off course depth speed If the navigation data include the destina tion data waypoint position 15 denoted on the screen by a dashed ring 1 326 89 OOS ee 1 111 ev Yt NC SM X gt 350 0m 0 05NML 30 0KT POSI L L 66 04 00N 166 04 CURSOR
44. etup 2 menu press the cursor pad to select Installation Setup 2 INSTALLATION SETUP2 Select item and option by trackball 1 Align Heading 2 Adjust Sweep Timing 3 On Hours 000019 8 H Press HM OFF to temporarily hide menu Press MENU for main menu Figure 4 7 Installation setup 2 menu 4 7 Entering Initial Settings 1 At the Installation Setup 1 menu press the cursor pad to select Key Beep Key Beep turns on or off the buzzer which sounds when a key is pressed 2 Press the cursor pad to select OFF or ON 3 Press the ENT key 4 Select Hdg Sensor 5 Select type of heading sensor connected to the unit MAGnetic compass or GYRO compass 6 Press the ENT key 7 Select Ant Height 8 Select antenna height LOW 3 m MID 3 6 m and HIGH gt 6 m 9 Press the ENT key Leave the menu open to complete the next several adjustments 4 8 Relative Bearing Alignment You have mounted the antenna unit facing straight ahead the direction of the bow Therefore a small but conspicuous target dead ahead visually should appear on the heading mark 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 1 8 to 1 4 miles and ori
45. he optional buffer circuit enables connection of the FMD 811 to the radars listed Table 1 Table 1 Buffer circuit and applicable radars Buffer 008 471 070 OP03 137 MODEL 1720 1730 1750 1760 PWB MODEL 1830 1930 1940 Kit FR 7010D 7040D 7100D MODEL 1721 1731 1751 1761 1 Assembling the Buffer Circuit Soldering of connector posts solder appropriate signal connector post supplied to both J12 and J22 on the BUFFER Board 03P9199 Solder connector posts with their 1 pin mated with corresponding 1 pin on the BUFFER Board Three types of connector posts are supplied Select proper connector posts according to main radar by referring to the table below Table 2 Main radar and connector post to use Main radar MODEL 1720 1730 MODEL 1830 1930 1940 MODEL 1721 1731 1751 1750 1760 FR 7010D 7040D 7100D 1761 Connector post to solder to J21 and J22 connector post 9P connector post 14 connector post Attachment of double sided tape supplied to BUFFER Board This should be done at room temperature 1 Shorten leads of connector posts soldered at previous section on the underside of the BUFFER Board with pincers 2 Wipe off foreign material from the underside of the BUFFER Board with a clean cloth Peel cover tape on one side of the double sided tape and attach it to the underside of the board Wait 20 minutes to allow the tape to adhere to the board A 2 Mounting the BUFFER Board in the Main
46. ided could result in minor or moderate injury property damage This notice indicates an unsafe practice which if not avoided could result in property damage equipment malfunction A CAUTION Ground both the display unit and the antenna unit Ungrounded equipment can give off or receive interference or cause electrical shock Confirm that the power supply voltage Is compatible with the voltage rating of the equipment Connection to the wrong power supply can cause fire or equipment damage The voltage rating appears on the label at the rear of the display unit Use only the supplied power cable Use of other power cables particularly a cables whose diameter is smaller than the supplied cable can cause fire or short circuit Use the correct fuse Use of a wrong fuse can cause fire or equipment damage NOTICE The installation must be done by a FURUNO representative or suitably qualified radar technician Authorities require this The mounting location must satisfy the following conditions Useable temperature 15 C to 55 C Out of direct sunlight Away from air conditioner vents Well ventilated Observe the compass safe distances to prevent deviation of a magnetic compass Standard Steering compass compass Display Unit 0 7m 0 5m Scanner Unit 31 m 1 75 Keep magnets and magnetic fields away from the equipment Magnetic fields will distort the picture and can caus
47. ideo sounder DISPLAY UNIT SPU 9180 Solder and tape Figure 4 3 How to connect external equipment to the OPTION connector Distribution NAV data to the other equipmet FMD 811 can output NAV data received from a navaid to an echosounder or video plotter by making the modifications as be low Video plotter The position data from navaid can be used for the echosounder if a video plotter is not connected J55 NMEA SPU9180 MODEL 821 841 FMD 81 1 Procedure Unfasten the nuts fixing the waterproof connector to remove the covers of the power and display unit 2 Remove all connectors from SPU Board SPU 9180 3 Unfasten three screws to remove the board 4 Remove R91 and R92 on the parts side of SPU Board SPU 9180 Parts side Remove JP3 JP4 14 O Ro3 1 94 OO 3 L m 15 OO E n 192 Remove R91 R92 5 Add jumper wire between J55 pin 3 RXD H and J61 PIN 1 TXD H Add a jumper wire between J55 pin 4 RXD C and J61 pin 5 SHIELD Add the jumper wire between J61 5 and J55 4 Q15 R95 Mro o Q16 NEN Gio Add the jumper wire between J61 1 and 55 3 7 Connectthe NMEA cable to the connec tor assy 03 1796 5P supplied with ra dar as shown in the figure below 8 Connect the connector to J51 on SPU Board 9 Replace the cover
48. n Distant echo ERO TE 1 19 Echo EY Turning echo stretch on or off 1 Press the MENU key 2 Select Int Noise Rej amp ES and press the ENT key 3 Select Echo Stretch 4 ON or OFF 5 Press the ENT key followed by the MENU key ES appears at the top right side on the display when the echo stretch feature 15 on Note 1 This function magnifies not only tar gets but also sea clutter and radar interference For this reason be sure the controls for adjust ment of sea clutter and radar interference are properly adjusted before activating the echo stretch Note 2 Echo stretch is inoperative on ranges from 0 25 to 0 75 nautical miles ES appears in reverse video when you try to turn on the echo stretch in those ranges Note 3 When turning on the echo stretch the interference level 3 and noise rejector rejectiors are automatically turned on to remove interference and noise They may be turned off if there function is not needed 1 22 Selecting Unit of Measurement for Range The unit of measurement for the VRM and cursor can be nautical miles kilometers or statute miles You may select unit desired as follows 1 Press the MENU key 2 Select Mode amp Function and press the ENT key 3 Select VRM Unit to nm km or sm 4 Press ENT followed by MENU key 1 23 Selecting Bearing Reference Bearing can be displayed relative to north relative bearing or relative to true north
49. nal Cable Connection 34 Appendix A INSTALLATION OF BUFFER CIRCUIT FOREWORD Congratulations on your choice of the FURUNO FMD 811 Radar Remote Display We are confident you will see why the FURUNO name has become synonymous with quality and reliability For over 50 years FURUNO Electric Com pany has enjoyed an enviable reputation for innovative and dependable marine electron ics equipment This dedication to excellence is furthered by our extensive global network of agents and dealers Your radar 1s designed and constructed to meet the rigorous demands of the marine en vironment However no machine can per form its intended function unless properly installed and maintained Please carefully read and follow the recommended proce dures for installation operation and main tenance While this unit can be installed by the pur chaser any purchaser who has doubts about his or her technical abilities may wish to have the unit installed by a FURUNO rep resentative or other qualified technician The importance of a thorough installation can not be overemphasized We would appreciate hearing from you the end user about whether we are achieving our purposes 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 FMD 811 15 Traditional FURUNO reliability and qualit
50. nds 0 5 1 5NM 111 11 l Pto Nd Yn 4 2 y 2 Target peo f Eu Ert S b 3 A 4 1 3 1 E Z E sd i 2 N VRM 3 2 N n VRM CURSOR VRM 0 675 0 675 308 7 range Figure 1 7 Measuring range by the VRM 1 10 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 cursor pad to bisect the target with the cursor intersection The bearing to the target appears at the bottom right hand corner of the display By EBL 1 Press the key to display 2 Press the cursor pad to bisect the target with the EBL The cursor appears and 1 linked with the EBL allowing you to measure both bearing and range to the target 3 Check the EBL readout at the bottom left hand corner of the display to find the bear ing to the target Note The EBL is automatically anchored when no cursor pad key is operated within about 10 seconds To erase the EBL press and hold down the EBL key for about three seconds 1 5 0 5 eer Egan 0t aA 7 lt pem gt Vo Target _ 7 NON 4 27 222246064 tret ies mos T 8555558 A
51. nterface NMEA Input Own ship s position RMA gt RMC gt GLL GLL 1 available Ver 5 and after speed RMA gt RMC gt VTG gt VHW Heading True HDT gt VHW gt HDG gt VHW gt SHDM Heading Magnetic HDM gt VHW gt HDG gt VHW gt HDM Course True gt gt Course Magnetic VTG gt RMA gt RMC Waypoint L L Range Bearing RMB gt BWCSBWR Loran time difference RMA gt GLC gt GTD Water depth DPT gt DBK DBS DBT Water temperature MDA gt MTW Time ZDA XTE RMB gt XTE gt APB Output TLL On using HM OFF key RSD A cycle of four seconds OPTION 03 9298 000 136 810 Comm eem oy Fuse 000 549 064 2 AC125 V 0389318 000 137 343 0389300 000 136 812 0389301 000 136 813 Signal cable FM C10FPD002 050 000 143 894 Tapping screw 5x20 SUS 304 000 802 081 Installation See below 1 set Materials FM C10FPD002 100 000 143 893 FM C10FPD002 150 000 143 892 FM C10FPD002 200 000 143 891 External Buzzer 136 000 086 443 For the MODEL 851 MARK 2 De Wee fow 3 10 m 000 136 81 1 Selectable 2 15 m 000 137 343 3 20 m 000 136 812 3 30 m 000 136 813 FM C10FPD002 050 5 000 143 8947 1 FM C10FPD002 100 10 990 143 893 3 5 000 129 613 For the MODEL 851 MARK 2 10 20 i 30 m vil CONFIGURATION 5 10 15 20 or 30m IEC 1162 In Out NAV 4
52. ot appear in the same place on successive rotations of the scan ner Figure 1 14 Radar interference Four levels of interference are available 1n cluding off IRI IR2 IR3 and OFF IR3 provides the highest level of rejection Procedure 1 Press the MENU key 2 Select Int Noise Re amp ES and press the ENT key 3 Select INT REJECT 4 Select level desired 2 provides the great est degree of interference rejection 4 Press ENT and MENU IR and level selected appear at the top right corner on the display when the interference rejection circuit is turned on 12 1 17 Suppressing Noise Interference Noise interference appears on the screen as many bright dots These dots can be sup pressed by turning on the noise rejector Note however that there are some forms of noise interference which the unit cannot suppress Procedure 1 Press the MENU key 2 Select Int Noise Rej amp ES and press the ENT key 3 Select Noise Reject to ON 4 Press the ENT key followed by the MENU key 1 18 Off Centering the Display Your vessel s position can be shifted any where within 79 of the effective display area The primary advantage of the off cen tered display 1 that for any range setting the view ahead of your vessel can be ex tended without changing the range or size of targets Procedure 1 Locate the cursor where you want the screen center to be 2 Press the OFF CENTER key
53. r the Connection to FR 7040R 7041R and MODEL 1941R change R48 located near TI Radar Log Amplifi P C Board C t adar Log Amplifier from 12K ohms to 8 2K ohms on SPU 9180 SPU9096 J60 SPU9096 J60 SPU9096 J60 Radar Linear Amplifier P C Board Connector 19P1001 J109 1400 seri MODEL 1833 1933 series 1943 FR 7041 series SPU9096 J60 FR 1400 series J442 or INT9028 FCR 1400 M3 series J443 J442 or Use XH8P connector assembly supplied Cut FR 1400 series SPU9028 out NH connector Solder green wire to coaxial J443 cable and orange wire to shield 03 9288 4105 FR 8000 series MODEL 821 841 FR 1500 M2 series 03 9159 4204 03P7133 4478 MBD J479 FR 2000 series J442 or 4443 FR 8051 8111 8251 03 9159 4204 FR 2100 series INT9113 28 Connection of Model 1833 C 1933 C 1943 Fabricate the interconnection cable 0389298 0389299 0389318 as shown below Con nect the NH connector referring to the appropriate installation manual NH Connector ee b Remove tape Solder wire w crimp on lug supplied to braided shield Vinyl tape 3 Md Connect referring to appropriate installation manual 29 Navigation aid video sounder connection If your navigation aid can output data in NMEA 0183 data format your vessel s po sition in lati
54. radar picture shown in Figure 2 8 are from the Kada Inland Sea in southwestern Japan Black areas are strong reflection targets Coastline lt difficult to display Radar display Actual topography Figure 2 8 Nautical chart and associated radar picture 21 3 MAINTENANCE amp TROUBLESHOOTING This chapter tells you how to keep your ra dar in good working order Before review ing this chapter please read the safety information which follows 3 1 Safety Information ELECTRICAL SHOCK HAZARD A WARNING 4 This equipment uses high voltage electric ity which can shock burn or cause death While the equipment has been designed with consideration for the operator s safety precautions must always be exer cised when reaching inside the equipment for the purpose of maintenance or service For this reason only qualified personnel totally familiar with electrical circuits and service manual should work inside the display unit or scanner unit Hazardous voltages Can shock burn or cause death Only qualified person nel should work inside the units of the radar 22 RF RADIATION HAZARD IN The radar scanner emits high fre quency radio radiation which can be harmful particularly to your eyes Never look directly into the scanner 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 stan
55. rail Interference rejector Echo trail elapsed time echo trail time Guard zone Auto clutter rain clutter suppressor Echo stretch ring i Range and bearing to cursor or cursor position in latitude and longitude may be displayed by pressing the HM OFF key range Figure 1 2 Display indications 1 3 Turning the Unit On and Off Turning the radar on Press the POWER key to turn the unit on or off The control panel lights Note When the heading signal is lost the HDG readout at the top of the screen shows This warning stays on when the heading sig nal is restored to warn the operator that the readout may be unrealiable The warning may be erased by pressing the DISP MODE key 1 4 Showing Radar Picture After the power is turned on S T BY Stand By appears at the screen center Press the ST BY TX key to display radar picture in four gray tones according to echo strength Press the ST BY TX key again to set the radar in stand by 1 5 Selecting the Range The range selected automatically determines the range ring interval and the number of range rings Procedure Press the RANGE key The range and range ring interval appear at the top left cor ner on the display Tips for selecting the range e When navigating in or around crowded harbors select a short range to watch for possible collision situations If you select a lower range while on open water inc
56. rease the range occasionally to watch for vessels that may be heading your way 1 6 Adjusting LCD Backlighting and Display Tone The BRILL key adjusts the LCD back lighting in eight levels including off The TONE key adjusts the tone contrast of the display in 32 levels including off Procedure 1 Press the BRILL key or TONE key The display shown in Figure 1 3 appears UP s Item selected for adjustment BRILL DOWN Tone LCD brilliance setting lt MENU TO EXIT gt setting Figure 1 5 Display for adjustment of brilliance and tone 2 Press the BRILL key or TONE key to set level For fine adjustment press cursor pad at 120 clock 6 o clock for bril liance and 3o0 clock 9o clock for tone 1 7 Adjusting Control Panel Brilliance Procedure 1 Press the MENU key 2 Press the cursor pad to select Backlight Brilliance and press the ENT key 3 Press the cursor pad to select Panel 4 Press the cursor pad to select brilliance level 4 1s the highest 5 Press the ENT key followed by the MENU key 1 8 Adjusting GAIN A C RAIN and STC A C SEA General procedure The ECHO key enables manual and auto matic adjustment of the gain STC and A C RAIN and STC A C SEA 1 Press the ECHO key The following dis play appears GAIN SIC A C 00 AUTO OFF ON 12 ECHO KEY TO EXIT Item selected for adjustment roa 23 Figure 1 4
57. return a rela tively strong echo On the other hand hulls made from wood or fiberglass return much weaker echoes Vertical surfaces such as a cliff are good targets provided they face the radar Con versely horizontal and smooth surfaces such as mudbanks sandy beaches and gently sloping hills make poor targets because they disperse rather than reflect most of the en ergy that strikes them The strongest radar echoes known come from built up areas docks etc because these targets are less subject to changes in aspect These types of targets have three flat smooth surfaces mutually at right angles Some radar buoys are arranged this way so as to deliberately increase their detection range 2 3 Range Resolution Range resolution is a measure of the capa bility of a radar to display as separate pips the echoes received from two targets which are on the same bearing and are close to gether The main factor which affects range resolu tion is pulselength Two targets on the same bearing close together cannot be seen as two distinct echoes on the display unless they are separated by a distance greater than one half the pulselength Radar is able to display two Tranemited distinct target echoes E Target jJ gt F 79 Transmitted T radar arget pulse Jk 948 Radar cannot display targets as separate echoes because they are within the pulselength Figure 2 2 Range resolution 2 4 B
58. s removed in step 1 10 Connect navaid and other equipment to radar 11 Turn on FMD 811 and confirm that NAV data in properly received at the ra dar and external equipment 4 4 Installation Check List After completing the installation it is a good idea to check for proper installation Follow the checklist below and tick boxes to show proper completion 7 Are the connections to the battery of correct polarity J Is the unit grounded O Are all connectors at the rear of the display unit fastened securely CAUTION If itis necessary to open the display unit be sure the rear cover is fitted to the front chassis properly when closing the rear cover When reassembling first turn off the unit and then press the center of the rear cover to plug in the multipin connector on the rear cover 4 5 Initial Adjustment of Picture Follow the procedure below to obtain proper radar picture 1 Press the POWER key on the display unit The display should light 2 Press TX ST BY key to display radar MODEL 821 841 FMD 81 1 Solder 03 1796 5 NMEA cable Echosounder BRN TX H RED RD H YEL RD C GRN N C SHIELD Other Equipment NMEA cable Telesounder data not be mixed picture 3 Press the ECHO key The following display appears GAIN SIC A C 00 A C AUTO OFF ON 12 er ECHO KEY TO EXIT Item selected for adjustment
59. ting the sweep When the display unit 1s not adjusted 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 near the pic ture center The range of objects will also be incorrectly shown 1 Correct 2 Target pushed 3 Target pushed inward outward Figure 4 9 Examples of improper and correct sweep timings 1 Transmit the radar on the shortest range and adjust the sensitivity and 5 2 Visually select a straight echo harbor wall straight pier 3 Display the Installation Setup 2 menu and select Adjust Sweep Timing 5 While looking at the target selected at step 2 press cursor pad at the 9 o clock or 3 o clock position to straighten the tar get 6 Press the ENT key 34 4 10 Closing the Installation Menus Press the MENU key and turn off the power 4 11 Signal Cable Connection 1 Connect the signal cable to DJ 1 on the rear panel of the display unit Rubber cover Boot band DJ Connector Cable DJ 1 Display unit 2 Cover the connector with the rubber cover The projection on the connector base 1s inserted into the groove on the rubber cover Grasp Display unit Grasp D gt Groove 3 Put the boot band as shown below and tighten it Boot band Display Unit Appendix A INSTALLATION OF BUFFER CIRCUIT T
60. tor Post BIIB EH A 2 For J12 and J22 on BUFFER Board Materials MODEL 1720 1730 1750 1760 NH Connector Post B9P SHF 1AA K For J12 and J22 on BUFFER Board MODEL 1830 1930 1940 FR 7010D 7040D 7100D L 200 mm w 11P connector Wire Assy 1 EH11P L200 1 For MODEL 1720 1730 1750 1760 Wire Assy 2 NH9P L250 1 L 250 mm w 9P connector MODEL 1830 1930 1940 For FR 7010D 7040D 7100D Wire Assy 3 EH14P L480 1 L 480 mm w 14P connector For MODEL 1721 1731 1751 1761 Double sided Tape BEEN 70 x 55 mm EH Connector Post BI4B EH A 2 For J12 and J22 on BUFFER Board MODEL 1721 1731 1751 1761 d13 02 2123713 ONNYNS _ ONIAVHG 3 171100 09 0001 661 60 2 105 9Lv 2 ON OMG 3ONVUVTIO 3901AM3S G30N3AWOO3H IEEE SNOISN3WIG 40 3ONVH3IOL SSIVOIGNI 71 34 8 19510 01 _ 3 W98S 310N 108 TOON AL DUE Mc 6E S 2 J TTT TTT llg QNJ GTP LAXEPISEN UIS SAE 1 __ _ ax o 0700000007 711 811 903 gt MAL 424 Vaud M d uU 4 7 2 MK 9j j 72 7 77 72 Yj MOORE HHA NNNNNNNSNNN WNIWH3I GNO 52 1 gt 001 9 02 001 SATOH ONIXIJ 1 9 S 1 44 02 2 OD 2Id L23 l3 ONNAN WVHDVIQ 1123 02
61. tude and longitude the range and bearing to waypoint speed and course may be input to this radar and be seen in the bot tom text area Further if your video sounder can output depth in NMEA 0183 data format depth can be displayed on the navigation data dis played in graph form during stand by You will need an NMEA cable For navaid Type Code no Remarks MJ A6SPF0012 050 000 134 424 6P 6P 5 m MJ A6SPF0012 100 000 133 817 6P 6P 10 m For E S Type Code no Remarks MJ A6SPF0011 050 000 132 244 6 4 5 m MJ A6SPF0011 100 000 132 336 6 4 10 m Two NMEA connectors are provided at the rear of the display unit the NMEA connec tor and the OPTION connector Heading Sensor Connection Heading Signal is connected to HDG con nector Gyro signal is connected thru A D Converter AD 100 Type Code no Remarks MJ A6SPF0007 100 000 125 237 for C 2000 MJ A6SPF0009 100 000 125 236 for AD 100 The OPTION connector To connect external equipment to the OP TION connector 1 Remove the plastic cover on the connec tor 2 Connect equipment to J61 on the SPU Board as shown in Figure 4 3 3 Cover signal cable at junction with dis play unit with silicone sealant 30 Note To receive data from more than two ex ternal equipment for example GPS and echosounder use an external mixing device Cable supplied with radar connector assy 03 1796 5 VIDEO SOUNDER Cable supplied with v
62. y in a compact lightweight and low cost Remote Radar Display High definition 8 LCD raster scan dis play Targets can be displayed in black on white background or vice versa for optimal viewing under any lighting e On screen alphanumeric readout of all operational information e Standard features include EBL Elec tronic Bearing Line VRM Variable Range Marker Guard Alarm Display Off Center and Echo Trail Operates on 10 2 to 31 2 V DC power supply and consumes about 14 W e Ship s position in latitude and longitude or Loran C Time Differences range and bearing to a waypoint ship s speed head ing and course can be shown in the bot tom text area Requires a navigation aid which can output such data in NMEA 0183 format SPECIFICATIONS FMD 811 1 Indication system PPI raster scan 2 Display 8 inch diagonal LCD STN semi transparent yellow mode 3 Range scales nm Range Ring Interval 0 125 0 0625 0 25 0 125 0 5 0 125 0 75 0 25 1 0 25 1 5 0 5 2 0 5 3 1 4 1 6 2 8 2 12 3 16 4 24 6 36 12 48 12 64 16 72 24 4 Markers Heading marker Bearing scale Range ring VRM EBL Waypoint option Tuning indicator Alarm zone Cursor 5 Alphanumeric indication standard Electronic Bearing Line EBL Echo Stretch ES A C AUTO Alarm G Interference Rejection IR Stand by ST B Y Echo Trail Time TRAIL Variable Range Marker VRM Range Range Ring

Furuno FMD-811 Radar Detector User Manual

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