Onwa KR-12X8 Operator'S Manual Download Page 89 | Manualshive

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13

50

1250

RA12

1

2

4

RADIATOR S=1/25

2

4

0

1

6

8

1

4

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FIXING HOLES

540

(XN8)

650

(XN12A

)

DIA.OF

ROT

ATIO

N

CENTER OF ROTSTION

CABLE ENTRY

30

45

150

178

185

MOUNTING DIMEENSIONS

MODE

KRA-2004

NAME

SCANNER UNIT

KR-1568

FLAT
WASHER

4-M4

10

KR-1268

82

M12 BOLT

S.W
M12 NUT

SEAL WASHER

PLATFORM

F.W .

CW10530X

1800

R 18

A

1

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Summary of Contents for KR-12X8

Page 1: ...TFT LCD COLOR MARINE RADAR KR 12X8 15X8 OPERATOR S MANUAL KR 1238 1268 KR 1538 1568...

Page 2: ......

Page 3: ...ave radiation which can be harmful to the human body particularly the eyes Never look directly into the antenna radiator from a distance of less than 1 m when the radar is in operation Turn off the ra...

Page 4: ...ment 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 objects on the top of the e...

Page 5: ...isplay Indication and Markes 10 2 3 Turning the Radar On and Off 11 2 4 Transmitting 11 2 8 Stand by 13 2 9 Selecting the Range 14 2 10 Adjusting Picture Brilliance 14 2 12 Adjusting Receiver Sensitiv...

Page 6: ...ation Data 33 4 1 Multiple Echoes 37 4 2 Side lobe Echoes 37 4 3 Indirect Echoes 38 4 4 Blind and Shadow Sectors 39 3 MENU OPERATION 25 4 FALSE ECHOES 37 3 10 34 FUNCTION MENU Description 3 11 VIDEO M...

Page 7: ...2 Replacing the Fuse 41 5 3 Troubleshooting 41 5 5 Life Expectancy of Magnetron 43 6 1 Antenna Unit Installation Sitting handling considerations 44 6 2 Display Unit Installation Mounting consideration...

Page 8: ...whether we are achieving our purposes Your radar has a large variety of functions all contained in a remarkably small cabinet The main features of the MODEL KR 12X8 15X8 are Traditional ONWA reliabili...

Page 9: ...51 5 m s TRANSCEIVER MODULE contained in radome 1 Transmitting tube MSF1421B or MAF1421B 2 Frequency 9410 MHz 30MHz 3 Peak output power 4kW nominal 4 Pulselength pulse repetition rate 0 08 S 2100 Hz...

Page 10: ...or Alarm zone North mark heading sensor input required 10 Alphanumeric indication Range Range ring interval Pulselength Interference rejection IR VRM EBL Stand by ST BY Radar alarm Echo stretch ES Ran...

Page 11: ...put power 6KW nominal 3 Pulselength pulse repetition rate 0 08 S 2100 Hz 0 125 0 25 0 5 0 75 1 5nm 0 3 S 1200 Hz 1 5 2 3nm 0 8 S 600 Hz 3 4 6 8 12 16 24 36 48 64nm 4 Bandwidth Tx pulselength 0 3 S and...

Page 12: ...rue HDT HDG HDT VHW VHW Course True RMA RMC VTG Course Magnetic VTG RMA RMC Waypoint Range Bearing RMB BWC BWR Loran time difference RMA GLC GTD Water depth DPT DBT Water temperature MDA MTW XTE RMB X...

Page 13: ...RATION OF KR 1238 1268 1538 1568 ANTENNA UNIT Antenna cable KRC 003 15 20 30 15 20 30m NMEA 1 5 Pin 6 Pin 3M 10 5 to 40VDC KR 1238 1538 KR 1268 1568 Display UNIT NMEA 2 UPGRADE 4 Pin VGA 7 Pin RS422 8...

Page 14: ...otation of the antenna By the time radar echoes have returned to the scanner the amount of scanner rotation after Radar determines the distance to the target by calculating the time difference between...

Page 15: ...ved and displayed at their relative bearings and at their distance from the PPI center With a continuous display of the images of targets the motion of the transmitting ship 1 6 The Radar Display Own...

Page 16: ...n Brief press Doubles size of area between your vessel and location selected by cursor Omnipad Shifts cursor VRM and EBL select items and options on menu 1 Acquires the target selected with the ominip...

Page 17: ...ARING VESSEL A Safe SOG 15 0KT RNG 130 0NM OWN SHIP WAYPOINT MARKERS CURSOR R B ARP VESSEL AIS VESSEL GUARD ZONE 1 CPA 10 1NM COG 270 M BRG 99 M TCPA 10 20 30 TCPA 24 30 30 BRG 99 M CPA 9 1NM RNG 20 0...

Page 18: ...in three configurations round wide and full screen You can select a configuration with 7 ECHO AREA on the ECHO menu Round Wide Full 2 6 Reference Position 11 The reference position for measurements r...

Page 19: ...ured from CCRP Range and bearing measured from antenna position Heading line Stern mark Beam line Own ship vector Own ship track Drawn from CCRP Drawn from antenna position Graphics Bearing cursor Dra...

Page 20: ...onsumption This feature is called the economy mode Power consumption in the economy mode is 28W When economy mode is no If a navigation aid inputs navigation data to this radar navigation data can be...

Page 21: ...erval the number of range rings pulselength and pulse repetition rate for optimal detection capability in short to long ranges You can select which ranges and pulselength for 1 mile range to use throu...

Page 22: ...function default setting for Background Color F2 key default setting for Echo Color Directly on the keyboard you can press these two keys select the desired color setting The GAIN control adjusts the...

Page 23: ...A control works reduce the clutter 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 do...

Page 24: ...rgets 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 Appearance of rain clutter A C RAIN...

Page 25: ...EA A C RAIN and GAIN controls appears 2 16 Measuring the Range By range ring By cursor You can measure the range to a target three ways by the range rings by the cursor and by the VRM Variable Range M...

Page 26: ...ECT key to circumscribe a VRM readout at the bottom center 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 r...

Page 27: ...e target 5 To anchor the EBL press the EBL VRM CONTROL key 6 To erase the EBL and its readout press and hold down the EBL VRM CONTROL key about two seconds Operate the omnipad to bisect the target wit...

Page 28: ...o place the cursor on the center of the target 2 Press the EBL VRM SELECT key to choose EBL1 readout and then press the EBL VRM CONTROL key 3 Select on the menu and press the ACQ ENTER key 4 EBL OFFSE...

Page 29: ...ect EBL OFFSET on the menu and press the ACQ ENTER key EBL1 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 VRM1 readout P...

Page 30: ...Press the MENU key select SHIFT and press ACQ ENTER key 3 Press or key select ON and press ACQ ENTER key OFF CENT appears at the top right corner of the display when the picture is shifted Cancelling...

Page 31: ...or presentation mode is changed Cancelling Zoom Repeat the above steps and select OFF Cursor Cursor 24 2 21 Outputting Target Position Target position data can be output to the navaid in format Press...

Page 32: ...press the MENU key You can select items on the menu with the omnipad 1 Press the MENU key to display the main menu Figure 3 1 Main menu 2 Press the omnipad to select the item For example select RINGS...

Page 33: ...ng line at the top of the display To get heading desired steer vessel in direction desired and the show CU at the top lefthand corner of the display North up North is at the top of the display and the...

Page 34: ...n show the movement of all radar targets relative to your vessel in afterglow vessel in afterglow This function is useful for alerting you to possible collision situations Starting echo trail 1 Press...

Page 35: ...ECHO TRAIL on the menu Changing trail attributes Trail gradation and trail time can be selected on the OTHERS menu Item In OTHERS menu Description Trail Tone Trails can be shown in single or multiple...

Page 36: ...Int Reject 4 Select level desired by operation the omnipad 5 Press the ACQ ENTER key 6 Press the MENU key to close the menu R R Figure 3 7 VIDEO MENU 3 6 Selecting is the transmission time of a Single...

Page 37: ...exiting the guard zone OUT appears in the guard zone data field the guard zone will flash display Dashed line no alarm Guard IN ALARM OUT ALARM Figure 3 8 In and Out alarm Setting a guard zone Prepar...

Page 38: ...blinking 1 Mentally create the guard zone to set 2 Drag cursor to top left corner of zone and press GUARD Guard zone G IN G IN 4 Guard zone completed 3 Drag cursor to bottom right corner of zone and p...

Page 39: ...o stand by appears during stand by If there is change the radar sounds the audible alarm cancels the watc hman function and transmits continuously Turning on watchman 1 Create a guard zone usually 360...

Page 40: ...key to set 6 Press the MENU key to close the menu IEC 61162 DATA FIELD For example OWN SHIP POSITION or WAYPOINT etc 33 Figure 3 11 Typical navigation data display Waypoint Mark Navigation Data AUTO O...

Page 41: ...t STBY Disp Select the display on stand by display STBY or navigation data or go into the economy mode Guard Mode Select condition which triggers guard alarm in or out Alm sense LV Select minimum echo...

Page 42: ...or key select item press or key page turning Trail Tone Select brillance of echo trails Int Reject Select level of interference rejection Pulselength Select pulselength for 1 5 and 3 mile ranges Nosie...

Page 43: ...3 12 Function menu 3 13 Suppressing Noise Electrical noise can be suppressed by turning on NOISE REJ on the menu 3 14 Adjusting Brilliance of Markers Mark brill on the menu adjusts the brilliance of...

Page 44: ...ples of the actual range of the target 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 4 2 Side lobe...

Page 45: ...de lobe Sprious target True echo Figure 4 3 Indirect echoes Direct Bridge Indirect Own Target path path Indirect ship echo Heading True Indirect echo echo Iine echo Indirect True Heading echo Iine Ant...

Page 46: ...bstruction but at the range of the legitimate contact when plotted their movements are usually abnormal and their shapes may indicate they are not direct echoes 4 4 Blind and Shadow Sectors Funnels st...

Page 47: ...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 3 to 6 months 6 months to 1 year Display unit connectors Check for tight co...

Page 48: ...se blows find the cause before replacing it Never use an incorrect fuse serious damage to equipment may result and void the warranty 12 V 10 A fuse 24 32 V 5 A fuse 5 3 Troubleshooting Table 5 2 conta...

Page 49: ...sensitivity the antenna does not rotate Characters and indications are abnormal the control panel does not light nothing appears on the display or display contrast is poor characters are distorted try...

Page 50: ...ears to the right of ROM or RAM indication contact your dealer for advice 5 To check the keyboard press any key except the omnipad ACQ and power keys Its corresponding location on the display lights i...

Page 51: ...he antenna unit would be a much more serious obstruction you would need It is rarely possible to place the antenna unit where a completely clear view in all direction is available Thus you should dete...

Page 52: ...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 is...

Page 53: ...are a platform of 5 to 10 millimeters in thickness for the antenna unit Find the cable entry on the radome base Next position the radome base so the cable entry faces the stern direction This alignmen...

Page 54: ...h the hole Then seal the hole with sealing compound for waterproofing Remove the shield cover in the radome Remove the cable clamping plate by unfastening four screws and removing a gasket Connect the...

Page 55: ...ith the transceiver module can be stored in a convenient place until the wiring to the antenna unit is done 3 Place the antenna bousing on the mounting platform and orient it as shown in Figure 6 6 4...

Page 56: ...th 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...

Page 57: ...6 9 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 Figure 6 10 Fastening the antenna housing co...

Page 58: ...silicone sealant Fasten the radiator to the radiator bracket with the ONWA logo on the radiator facing ship s bow 4 Open the antenna housing cover and fix the stay as shown in Figure 6 13 5 One end o...

Page 59: ...ear connectors build up inside the cabinet 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 Make sure you...

Page 60: ...itude and longitude the range and bearing to waypoint speed and course may be input to this radar and be seen on the screen Further if your video sounder can output depth in IEC 61162 NMEA 0183 data f...

Page 61: ...or receive electromagnetic interference or cause electrical shock CAUTION Figure 6 15 KR 1538 1568 Display connectors NMEA 2 Connector FUSE Power RS 422 UPGRADE Antenna VGA NMEA 1 Connector NMEA 1 Con...

Page 62: ...o the battery are of correct polarity The plugs at the rear of the display unit are tightly fastened The fuse in the power cable is 10A 12V or 5A 24V 32V DC 6 5 Adjustments This section covers adjustm...

Page 63: ...potential risk of being struck by the rotation antenna and exposure to radiation hazard 2 On the Installation setup menu select Tune Video Adjustment and press the ACQ ENTER key 3 The unit automatical...

Page 64: ...pensate 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 heading mark To lessen error keep echoes in the outer h...

Page 65: ...rectly 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 cente...

Page 66: ...press ENTER key Correction 000 Press MENU for inst setup Figure 6 20 MBS Adjustment message 6 Operate the omnipad to suppress main bang Left low right between 0 and 25 7 Press the ACQ ENTER key Settin...

Page 67: ...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 ho...

Page 68: ...e 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 aff...

Page 69: ...Orientation True velocity or relative velocity Past positions 5 past positions at intervals of 15 30s 1 2 3 6 min Alarm Visual and audible alarms against targets violating CPA TCPA limits Visual alarm...

Page 70: ...thin 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 cour...

Page 71: ...OG 03 5KT 22 45 135 N 21 237 E 115 TTG Off 1 02 2 10NM IN or OUT VRM1 25 0 NM EBL1 138 K VRM1 10 9 NM EBL2 152 K RANGE BEARING VESSEL A Safe SOG 15 0KT RNG 130 0NM OWN SHIP WAYPOINT MARKERS CURSOR R B...

Page 72: ...consistently detected for three minutes the plot symbol changes to a solid mark If acquisition fails the target symbol blinks ans disappears shortly CIRCLE dotted Immediately after acquisition Plot s...

Page 73: ...ve been manually acquired only the remaining capacity of targets can be automatically acquired Example when 7 targets acquired manually then the Auto ACQ is switched on only 3 targets can be acquire a...

Page 74: ...rget Data The Auto Plotter calculates motion trends range bearing course speed CPA and TCPA of all targets under tracking at the ARP Data area CAUTION At the speed under 5 kts the target data is displ...

Page 75: ...tors Ture or Relative Vector Target vectors are displayed in relative or true mode Own shop does not have a vector in relative mode Vector Length From the ARPA MENU Vector Length can be set to 30 seco...

Page 76: ...o 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 targets effectively CPA TCPA alarm r...

Page 77: ...he screen until the dangerous situation is no longer present or you intentionally terminate tracking of the target by using the SELECT CANCEL key Lost Target Alarm When the system detects a loss of a...

Page 78: ...tically dynamically and regularly update their position speed course and information such as vessel identity How does AIS function as a radar The AIS radar function does not refer to its own AIS syste...

Page 79: ...NOTE If the AIS signal is received the AIS function is still at work even when the signal does not appear and still continues to ensure real time AIS information Figure 2 AIS menu 72 How to check the...

Page 80: ...lected ship information shall be displayed When the cursor is moved to the target ship the selected ship will appear as shown in Figure 4 and the AIS data shall appear as shown in Figure 5 Note If the...

Page 81: ...ge This value is just an estimate and it will follow the ships movement However it can help simplify the radar operators intuitive navigation judgement Setting method Enter AIS menu select Vector leng...

Page 82: ...lect History to select plot interval desired Off 15s 30s 1 2 3 or 6 min Select OFF to erase all past position points and turn off the past position display 75 AIS Collision Alarm CPA TCPA The AIS cont...

Page 83: ...urrent range of AIS targets within the information given by the maximum update interval had not yet received will be loss target alarm function is triggered in this case the target becomes the symbol...

Page 84: ...ld be used with its centroid representing the target s reference position The most acute apex of the triangle should be aligned with the heading of the target or with its COG if heading information is...

Page 85: ...he table below 78 AIS SARTS Figure 14 Other symbol Figure15 AIS Icon Color Description NO TYPE COLOR REMARK 1 2 3 4 5 6 7 8 9 10 11 Military Yacht Fishing Class B Tanker Cargo Cruise ship Tug Pilot Un...

Page 86: ...KR 1238 TYPE KRD 1005 NAME DISPLAY UNIT KR 1268 79 9 DISPLAY UNIT AND ANTENNA UNIT SIZE...

Page 87: ...KR 1538 TYPE KRD 1006 NAME DISPLAY UNIT KR 1568 80...

Page 88: ...NER UNIT ONWA ONWA 604 270 420 400 160 Front 4 M10 640 KR 1538 CABLE ENTRY 25mm Effective thread length Flat washer Spring washer Apply silicone sealant Hex bolt Platform 5 10 mm Antenna base plate Pa...

Page 89: ...G HOLES 540 XN8 650 XN12A DIA OF ROTATION CENTER OF ROTSTION CABLE ENTRY 30 45 150 178 185 MOUNTING DIMEENSIONS MODE KRA 2004 NAME SCANNER UNIT KR 1568 FLAT WASHER 4 M4 10 KR 1268 82 M12 BOLT S W M12...

Page 90: ...NCH ANT RAIN SEA AUTO AIS BRG BCR Adjust Adjustment ADJ BCT BRILL CLR CPA CCRP CONT CRS CUP COG CTW CURS DEL DEPTH DPTH DGPS DRIFT E REF EBL ENT ENTER Maximum Medium Pulse Minimum Minute s Nautical Mi...

Page 91: ...nsponder SART Fm Second s SEC ft Select SEL FUL Short Pulse SP FULL Speed SPD GAIN Speed Over the Ground SOG GPS Speed Through theWater STW GND Stabilized STAB GUARD Standby STBY GYRO Starboard Starbo...

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