Furuno 1942 MARK-2 - Manuals

Page 3 - SAFETY INSTRUCTIONS; DANGER; Radio Frequency Radiation Hazard; Distances at which RF radiation levels of 100 and 10 W/m; Stay away from transmitting scanner.; Nil

i SAFETY INSTRUCTIONS DANGER Radio Frequency Radiation Hazard The radar scanner emits electromagnetic radio frequency (RF) energy which can beharmful, particularly to your eyes. Never look directly into the scanner aperture from aclose distance while the radar is in operation or expose yourself to t...

Page 4 - ii; WARNING; CAUTION; ELECTRICAL SHOCK HAZARD; Do not open the equipment.

ii Two warning labels are attached to the display unit and scanner unit. Do not remove these labels. If labels are peeling off or are illegible, contact a FURUNO agent or dealer. WARNING To avoid electrical shock, do not remove cover. No user-serviceable parts inside. <Display Unit> Name: Warn...

Page 5 - iii

iii COMPLIANCE WITH R&TTE DIRECTIVE 1999/5/EC This radar complies with the R&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, Es...

Page 6 - Durable brushless scanner motor.; FOREWORD

iv C o n g r a t u l a t i o n s o n y o u r c h o i c e o f t h eFURUNO MODEL 1932/1942 MARK-2 Ma-rine Radar. We are confident you will see whythe FURUNO name has become synony-mous with quality and reliability. For over 50 years FURUNO Electric Com-pany has enjoyed an enviable reputation forinnova...

Page 7 - TABLE OF CONTENTS; PRINCIPLE OF OPERATION; How Ships Determined Position; SHOOTING

v TABLE OF CONTENTS FOREWORD .............................. iii MENU TREE ............................... v TABLE OF CONTENTS BYINDICATION, MARKER ............. vi SYSTEM CONFIGURATION .... vii 1. PRINCIPLE OF OPERATION 1.1 What is Radar? ............................... 1-1 1.2 How Ships Determined ...

Page 8 - MENU TREE; MENU KEY

vi MENU TREE RINGS (Off, 1, 2, 3, max)EBL OFFSET (Off, On)SHIFT (Off, On)ZOOM (Off, On)MODE (HU, CU, NU, TM)DISP DATAECHO TRAIL (Off, On)ECHO STRTCH (Off, ES1, ES2)ARP-10 MENUOTHER MENU 1.2.3.4.5.6.7.8.9. 10.11.12.13.14.15.16.17.18.19.20.21.22. 23.24. Panel Dimmer (1, 2, 3, 4)Mark Brill (1, 2, 3, 4)...

Page 9 - vii; TABLE OF CONTENTS BY

vii TABLE OF CONTENTS BY INDICATION, MARKER HDG 234.5¡ SP HU . 125 NM . 0625 TRAIL 30M ZOOM ES1 AUTO 25 : 38 G (OUT) IR2 VRM 0.048NM0.100NM 13.5 R ¡ 0.142NM A/CAUTOEBL345.6 R 23.0 R ¡¡ OFFCENTER Tuning indicator (P.3-7) Echo trail time (P.3-3) Guard Zone (P.3-4) Zoom (P.2-8) Echo Stretch (P.3-2) EBL...

Page 10 - SYSTEM CONFIGURATION; Auto Plotter; Video Sounder; Scanner Unit

vii SYSTEM CONFIGURATION Note: Even though the display unit meets waterproof standard IPX-5, the connection of ex-ternal buzzer and/or remote display can affect waterproofness. Watertight integrity cannot beguaranteed. When these modification has been done, the display unit should not be mountedwher...

Page 11 - The Radar Display

1-1 1.1 What is Radar? The term “RADAR” is an acronym meaningRadio Detection And Ranging. Although thebasic 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,...

Page 12 - Figure 1-1 How radar works

1-2 A B C D Own ship(radar) D A B C Heading marker Targets Own shipin center (A) Bird's eye view of situation (B) Radar picture of (A) Range and bearing of a target, relative to own ship, are readable on the PPI. Figure 1-1 How radar works

Page 13 - Control Description; Figure 2-1 Control panel

2-1 2. BASIC OPERATION 2.1 Control Description SELECT CANCEL MENU EBL/VRMSELECT EBL/VRM CONTROL ST BY TX GUARD TLL A/C AUTO BRILL POWER ACQ ENTER RANGE GAIN HM-OFF A/C SEA F1 A/C RAIN F2 Requires Auto Plotter ARP-10Brief press:Displays the data of target selected with the cursor.Long press:Terminate...

Page 14 - Economy mode; Figure 2-2 Typical navigation data display

2-2 2.2 Turning the Radar On/Off Press the [POWER] key to turn the radar onor off. The control panel lights and a timer displaysthe time remaining for warm up of the mag-netron (the device which produces radarpulses), counting down from 1:30 to 0:01. 2.3 Transmitting After the power is turned on and...

Page 15 - Selecting the Range; Tips for selecting the range; Adjusting Picture Brilliance; How the A/C SEA control works

2-3 Note1: Availability of a particular display itemdepends on incoming data. Note2: When Range to Waypoint reaches 0.1nm, the WPT marker jumps to dead aheadeven though a difference may exist betweenheading and BRG to WPT. Note3: When cross track error exceeds 1 nmon either side, the XTE mark starts...

Page 16 - Adjusting the A/C SEA control; Confirm that the sensitivity is properly ad-; control; Tip for adjusting the A/C SEA

2-4 Adjusting the A/C SEA control The proper setting of the A/C SEA should besuch that the clutter is broken up into smalldots, and small targets become distinguish-able. If the control is set too low, targets will behidden in the clutter, while if it is set too high,both sea clutter and targets wil...

Page 17 - Figure 2-5 Heading marker and north marker; Measuring the Range; Measuring range by range rings; location of EBL and VRM readouts; Operate the omnipad to place the outside; Figure 2-7 Measuring range by the cursor,

2-5 2.10 Erasing the Heading Marker, North Marker The heading marker or north marker (avail-able with gyrocompass connection) may oc-casionally mask a target. To view the target,you can temporarily erase the headingmarker and north marker by pressing andholding down the [GAIN (HM OFF)] control.Relea...

Page 18 - Measuring the Bearing; Measuring bearing by cursor; Figure 2-8 How to measure bearing by EBL; Tips for measuring bearing; Using the Offset EBL; Predicting collision course

2-6 2.12 Measuring the Bearing There are two ways to measure the bearingto a target: by the cursor, and by the EBL(Electronic Bearing Line). Measuring bearing by cursor Operate the omnipad to bisect the target withthe cursor intersection. The bearing to thetarget appears at the bottom of the display...

Page 19 - Offcentering the Picture; Press the omnipad to set the cursor where; Cancelling offcentered picture

2-7 VRM1 Offset EBL(EBL1) 6.0 NM2.0 EBL1 origin (initial position of target) Target moved here. EBL1 bearing 70.0 ° R VRM 6.0 NM VRM1range EBL Figure 2-9 Predicting collision course by using the offset EBL Measuring range and bearingbetween two targets The procedure which follows shows how tomeasure...

Page 20 - Figure 2-12 Zoom function; Cancelling zoom

2-8 2.15 Zoom The zoom feature allows you to double thesize of the area between your vessel and anylocation within the current range to take acloser 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 functionis ...

Page 21 - Basic Menu Operation; Figure 3-2 Messages for RINGS menu

3-1 3.2 Selecting the Presentation Mode With heading sensor connection, this radarprovides 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. The display and the display mode indication...

Page 22 - Figure 3-3 Echo stretch; Starting echo trail; Figure 3-4 How the echo trail feature works

3-2 North up North is at the top of the display and the head-ing marker moves with ship’s heading. Thismode is useful for determining ship’s posi-tion and as a navigation monitor on a nauti-cal chart. The picture is stabilized against yawof vessel, thereby reducing smear of targetechoes. True motion...

Page 23 - Figure 3-5 Radar interference; Select “OTHERS MENU” and press the; Figure 3-6 OTHERS menu; Fixed time trail; When the elapsed time clock counts up; Continuous trail; Table 3-1 Trail attributes

3-3 3.5 Suppressing Radar Interference Radar interference may occur when near an-other shipborne radar operating in the samefrequency band as your radar. Its on-screenappearance is many bright dots either scat-tered at random or in the form of dotted linesextending from the center to the edge of the...

Page 24 - Select level desired by operating the; Selecting Pulsewidth; Select “OTHER MENU” and press the; Selection of guard zone type; In alarm; Figure 3-7 In and Out alarms; Setting a guard zone; Mentally create the guard zone you want

3-4 3. Select “6. Int Reject.” 4. Select level desired by operating the omnipad. 5. Press the [ACQ/ENTER] key. 6. Press the [MENU] key to close the menu. IR1, IR2 or IR3 appears at the bottom rightcorner on the display when the interferencerejection circuit is turned on. 3.6 Selecting Pulsewidth Pul...

Page 25 - Operate the omnipad to set the cursor on; Figure 3-8 How to set the guard zone; Silencing the audible alarm; Figure 3-9 How watchman works; How watchman works

3-5 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). Guard zoneto set * G (IN) (2) Drag cursor to top left corner ofzone and press[GUARD]. Asterisk blinking Drag cursorhere. (1) Mentally create th...

Page 26 - To turn navigation data on or off; Figure 3-10 Typical navigation data display; Turning on watchman; Operate the omnipad to select watchman; Cancelling watchman; Displaying Navigation Data

3-6 (If the navigation input includes destinationdata, the waypoint marker, shown by adashed ring with a line extending from it tothe screen center appears. This marker canbe turned on/off the “OTHER MENU”) To turn navigation data on or off; 1. Press the [MENU] key. 2. Select “DISP DATA.” 3. Press t...

Page 27 - OTHER MENU Description; The table below summarizes the OTHER menu.; Table 3-2 OTHER MENU Description

3-7 3.10 OTHER MENU Description The table below summarizes the OTHER menu. Table 3-2 OTHER MENU Description m e t I n o i t p i r c s e D . 1 r e m m i D l e n a P . t h g il k c a b l e n a p f o l e v e l s t c e l e S . 2 ll i r B k r a M . r e k r a m P W d n a e n o z d r a u g , r o s r u c , ...

Page 28 - Function Controls; Default settings; to open the function menu.; Figure 3-11 Function menu; Suppressing Noise

3-8 3.11 Function Controls The function controls (F1 and F2) work likethe auto-dialing feature of a telephone, auto-matically executing the function assigned tothem. The function can be turned off by press-ing appropriate function control again. Default settings F1: Shift (brief press) or Zoom (long...

Page 29 - Figure 4-1 Multiple echoes

4-1 4. FALSE ECHOES 4.2 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 itcan be detected by the side-lobes as well asthe main-lobe, the side-lobe echoes may berepresented on both sides of the true echoat...

Page 30 - Figure 4-3 Indirect echoes; Blind and Shadow Sectors; Figure 4-4 Blind and shadow sectors

4-2 4.3 Indirect Echoes Indirect echoes may be returned from eithera passing ship or returned from a reflectingsurface on your own ship, for example, astack. In both cases, the echo will return froma legitimate contact to the scanner by thesame indirect path. The echo will appear onthe same bearing ...

Page 31 - s) through the band before beginning a rela-; Figure 4-5 SART display; Summary to detect SART response; Use range scale of 6 or 12 nm as the; General remarks on receiving SART; Radar range scale

4-3 4.5 SART (Search and Rescue Transponder) A Search and Rescue Transponder (SART)may be triggered by any X-Band (3 cm) ra-dar within a range of approximately 8 n.miles.Each radar pulse received causes it to trans-mit a response which is swept repetitivelyacross the complete radar frequency band.Wh...

Page 33 - Preventive Maintenance; Table 5-1 Recommended maintenance program

5-1 This chapter tells you how to keep your ra-dar in good working order. Before reviewingthis chapter please read the safety informa-tion which follows. Turn off the power before performing any maintenance ortroubleshooting procedure. DANGER Hazardous voltages can shock, burn or cause death. Only q...

Page 34 - Table 5-2 Troubleshooting table

5-2 5.3 Troubleshooting Table 5-2 contains simple troubleshootingprocedures which you can follow to try to re-store normal operation. If you cannot restorenormal operation, do not attempt to checkinside any unit of the radar system. Any re-pair work is best left to a qualified technician. Table 5-2 ...

Page 35 - Figure 5-1 Self test screen; Life Expectancy of; Table 5-3 Life expectancy of magnetrons

5-3 5.4 Self Test The self test facility checks the keyboard, ROM and RAM for proper operation. 1. Press the [MENU] key. 2. Select “OTHER MENU”. 3. Select “23. Self Test” and press the [ACQ/ ENTER] key. The following display appears. ARP-10 TEST ROM OK 18990871xx RAM OK SPEED OK NAV 0.0KTCOURSE OK 1...

Page 37 - Tracking accuracy is affected by course; NOTICE; This auto plotter automatically tracks an

6 -1 6. OPERATION OF ARP-10 (OPTION) CAUTION The plotting accuracy and response ofthis auto plotter meets IMO standards.Tracking accuracy is affected by thefollowing: Tracking accuracy is affected by course change. One to two minutes is required to restore vectors to full accuracy after an abrupt co...

Page 38 - Principal specifications; Acquisition and tracking; Keys used for auto plotter; A l l C a n c e l :; Activating the auto plotter

6-2 6.1 General The Auto Plotter ARP-10 is an optional cir-cuit board which is accommodated in the dis-play unit of this radar (24 rpm only) radars. Itrequires heading data to function. The Auto Plotter permits manual or automaticacquisition and automatic tracking of up to10 radar targets. An intern...

Page 39 - Deactivating the auto plotter; To deactivate the Auto Plotter; Lost Target; Figure 6-2 ARPA display

6 -3 3. Select “ARP-10 MENU.” 4. Press the [ACQ/ENTER] key to display the ARP menu. [ ARP MENU ] Select item by omnipad and press ENTER key. 1. Display 2 . All Cancel 3 . Vector Ref 4 . Vector Length 5 . History 6 . CPA Set 7 . TCPA Set 8 . Auto ACQ Off On Rel True 30S IM3M 6M 15M 30M Off 15S 30S 1M...

Page 40 - Acquiring Targets; Manual acquisition; est by operating the omnipad.; Automatic acquisition; on either; Figure 6-3 Auto acquisition area

6-4 6.3 Acquiring Targets Manual acquisition Follow the steps below to manually acquirea target. Up to 10 targets can be manuallyacquired. 1. Place the cursor (+) on a target of inter- est by operating the omnipad. 2. Press the [ACQ/ENTER] key. The plot symbol changes its shape accord-ing to the sta...

Page 41 - Terminating Tracking of Targets; Individual targets; Displaying Target Data; message for “ARP” or “NAV” or “ARP.”

6 -5 Follow the steps shown below to activate theauto acquisition area. 1. Open the “ARP-10 MENU.” 2. Select “8. Auto ACQ.” 3. 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...

Page 42 - Vector length; Past Position Display; Lost target alarm

6-6 6.5 Mode and Length of Vectors True or relative vector (vector mode) Target vectors are displayed relative to ownships reading (Relative) or with reference toNorth (True). Own ship does not have a vec-tor in relative mode. Vector length From the ARP-10 MENU, Vector Length canbe set to 30 seconds...

Page 43 - On the “CPA Set” line, select a CPA limit

6 -7 CPA/TCPA alarm ranges must be set up prop-erly taking into consideration the size, ton-nage, speed, turning performance and othercharacteristics of own ship. 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 de...

Page 45 - SPECIFICATIONS OF MARINE RADAR; TRANSCEIVER MODULE

SP - 1 SPECIFICATIONS OF MARINE RADAR MODEL 1932/1942 MARK-2 1. GENERAL (1) Indication System PPI Daylight display, raster scan, 8 tones in monochrome (2) Range, Pulselength (PL) & Pulse Repetition Rate (PRR) Range (nautical miles) PL PRR 0.125 0.25 0.5 0.75 1 1.5 2 3 4 6 8 12 16 24 36 48 64 SP ...

Page 48 - Index

IN-1 Index A Acquisition ............................................... 6-4A/C AUTO key ......................................... 2-4ACQ/ENTER key ..................................... 6-2A/C RAIN control .................................... 2-4A/C SEA control .................................... 2...