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Manual Furuno 1942 MARK-2

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  • Furuno 1942 MARK-2 - page 1

    MARINE RADAR MODEL 1932 MARK-2/1942 MARK-2 ...

  • Furuno 1942 MARK-2 - page 2

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  • Furuno 1942 MARK-2 - page 3

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

  • Furuno 1942 MARK-2 - page 4

    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> N ame: Warning Label (1) T ype: 86-003-1011-0 C ode no.: 10 ...

  • Furuno 1942 MARK-2 - page 5

    iii COMPLIA NCE WITH R&TTE DIRECTIVE 1999/5/EC T h is radar com pli es w ith t he R&TT E Directi v e 1 999/5/ EC. I n accordanc e wi th Arti cle 6-3 of thi s directi v e, F URUNO i ntends to put thi s radar on the mark et of the f oll o w ing c ountri es in EU as w ell other m arket s. Aust ri a, Bel gium, Cyprus, Denmark, Est onia, F inlan ...

  • Furuno 1942 MARK-2 - page 6

    iv Congratulations on your choice of the FURUNO MODEL 1932/1942 MARK-2 Ma- rine Radar . We are confident you will see why the FURUNO name has become synony- mous 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 ...

  • Furuno 1942 MARK-2 - page 7

    v T ABLE OF CONTENTS FOREWORD .............................. iii MENU TREE ............................... v T ABLE OF CONTENTS BY INDICA TION, MARKER ............. vi SYSTEM CONFIGURA TION .... vii 1. PRINCIPLE OF OPERA TION 1.1 What is Radar? ............................... 1-1 1.2 How Ships Determined Position Before Radar ...................... ...

  • Furuno 1942 MARK-2 - page 8

    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 DATA ECHO TRAIL (Off, On) ECHO STRTCH (Off, ES1, ES2) ARP-10 MENU OTHER 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) HD Mark (1, 2, 3, ...

  • Furuno 1942 MARK-2 - page 9

    vii T ABLE OF CONTENTS BY INDICA TION, MARKER HDG 234.5¡ SP HU . 125 NM . 0625 TRAIL 30M ZOOM ES1 AUTO 25 : 38 G (OUT) IR2 VRM 0.048NM 0.100NM 13.5 R ¡ 0.142NM A/C AUTO EBL 345.6 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) EBL2 (P.2-6) Range ring (P.2-3, 2-5) VRM2 ...

  • Furuno 1942 MARK-2 - page 10

    vii SYSTEM CONFIGURA TION Note: Even though the display unit meets waterproof standard IPX-5, the connection of ex- ternal buzzer and/or remote display can af fect waterproofness. Watertight integrity cannot be guaranteed. When these modification has been done, the display unit should not be mounted where exposed. *Equivalent to NMEA 0183 RDP-118 A ...

  • Furuno 1942 MARK-2 - page 11

    1-1 1.1 What is Radar? The term “RADAR” is an acronym meaning Radio Detection And Ranging. Although the basic principles of radar were developed dur- ing World W ar II, echoes as an aid to naviga- tion is not a new development. 1.2 How Ships Determined Position Before Radar Before the invention of radar , when running in fog near a rugged shore ...

  • Furuno 1942 MARK-2 - page 12

    1-2 A B C D Own ship (radar) D A B C Heading marker Targets Own ship in 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 ...

  • Furuno 1942 MARK-2 - page 13

    2-1 2. BASIC OPERA TION 2.1 Control Description SELECT CANCEL MENU EBL/VRM SELECT 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-10 Brief press: Displays the data of target selected with the cursor. Long press: Terminates plotting of the target selected with the c ...

  • Furuno 1942 MARK-2 - page 14

    2-2 2.2 T urning the Radar On/Off Press the [POWER] key to turn the radar on or off. The control panel lights and a timer displays the time remaining for warm up of the mag- netron (the device which produces radar pulses), counting down from 1:30 to 0:01. 2.3 T ransmitting After the power is turned on and the magne- tron has warmed up, STBY (Stand- ...

  • Furuno 1942 MARK-2 - page 15

    2-3 Note1: Availability of a particular display item depends on incoming data. Note2: When Range to W aypoint reaches 0.1 nm, the WPT marker jumps to dead ahead even though a difference may exist between heading and BRG to WPT . Note3: When cross track error exceeds 1 nm on either side, the XTE mark starts blinking. 2.5 Selecting the Range The rang ...

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    2-4 Adjusting the A/C SEA control The proper setting of the A/C SEA should be such that the clutter is broken up into small dots, and small targets become distinguish- able. If the control is 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 case ...

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    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. T o view the target, you can temporarily erase the heading marker and north marker by pressing and holding down the [GAIN (HM OFF)] control. Release the control to re-display the mark- ers ...

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    2-6 2.12 Measuring the Bearing There are two ways to measure the bearing to a target: by the cursor , and by the EBL (Electronic Bearing Line). Measuring bearing by cursor Operate the omnipad to bisect the target with the cursor intersection. The bearing to the target appears at the bottom of the display . Measuring bearing by EBL 1. Press the [EBL ...

  • Furuno 1942 MARK-2 - page 19

    2-7 VRM1 Offset EBL (EBL1) 6.0 NM 2.0 EBL1 origin (initial position of target) Target moved here. EBL1 bearing 70.0 ° R VRM 6.0 NM VRM1 range EBL Figure 2-9 Predicting collision course by using the offset EBL Measuring range and bearing between two targets The procedure which follows shows how to measure the range and bearing between tar- get “A ...

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    2-8 2.15 Zoom The zoom feature allows you to double the size of the area between your vessel and any location within the current range to take a closer look at an area of interest. 1. Select location with the cursor . 2. Press and hold down the [F1 (A/C SEA)] control about two seconds if its function is set for ZOOM (default setting), or se- lect Z ...

  • Furuno 1942 MARK-2 - page 21

    3-1 3.2 Selecting the Presentation Mode With heading sensor connection, this radar provides four presentation modes: head-up, course-up, north-up and true motion. 1. Press the [MENU] key . 2. Operate the omnipad to select “MODE.” 3. Press the [ACQ/ENTER] key . The display and the display mode indication at the top left-hand corner of the displa ...

  • Furuno 1942 MARK-2 - page 22

    3-2 North up North is at the top of the display and the head- ing marker moves with ship’s heading. This mode is useful for determining ship’ s posi- tion and as a navigation monitor on a nauti- cal chart. The picture is stabilized against yaw of vessel, thereby reducing smear of target echoes. T rue motion T rue motion displays own ship and mo ...

  • Furuno 1942 MARK-2 - page 23

    3-3 3.5 Suppressing Radar Interference Radar interference may occur when near an- other shipborne radar operating in the same frequency band as your radar . Its on-screen appearance is many bright dots either scat- tered at random or in the form of dotted lines extending from the center to the edge of the display . Figure 3-5 illustrates interferen ...

  • Furuno 1942 MARK-2 - page 24

    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 right corner on the display when the interference rejection circuit is turned on. 3.6 Selecting Pulsewidth Pulsewidth is the time in microseconds nec- e ...

  • Furuno 1942 MARK-2 - page 25

    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 zone to set * G (IN) (2) Drag cursor to top left corner of zone and press [GUARD]. Asterisk blinking Drag cursor here. (1) Mentally create the guard zone to set. G (IN) (3) Drag cursor t ...

  • Furuno 1942 MARK-2 - page 26

    3-6 (If the navigation input includes destination data, the waypoint marker , shown by a dashed ring with a line extending from it to the screen center appears. This marker can be turned on/of f the “OTHER MENU”) T o turn navigation data on or off; 1. Press the [MENU] key . 2. Select “DISP DA T A.” 3. Press the [ACQ/ENTER] key . 4. Press th ...

  • Furuno 1942 MARK-2 - page 27

    3-7 3.10 OTHER MENU Description The table below summarizes the OTHER menu. T able 3-2 OTHER MENU Description m e t In o i t p i r c s e D . 1r e m m i D l e n a P. t h g i l k c a b l e n a p f o l e v e l s t c e l e S . 2l l 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 , L B E , M R V f o e c n a i l l i r b s t c e l e S ...

  • Furuno 1942 MARK-2 - page 28

    3-8 3.1 1 Function Controls The function controls (F1 and F2) work like the auto-dialing feature of a telephone, auto- matically executing the function assigned to them. The function can be turned of f by press- ing appropriate function control again. Default settings F1: Shift (brief press) or Zoom (long press) F2: Ring brilliance How to register ...

  • Furuno 1942 MARK-2 - page 29

    4-1 4. F ALSE 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 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 4 ...

  • Furuno 1942 MARK-2 - page 30

    4-2 4.3 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 scanner by the same indirect path. The echo will appear on the same bearing of the reflected surface, but at the same ra ...

  • Furuno 1942 MARK-2 - page 31

    4-3 4.5 SART (Search and Rescue T ransponder) A Search and Rescue T ransponder (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 repetitively across the complete radar frequency band. When interrogated, it first sweeps rapidly ( ...

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    5-1 This chapter tells you how to keep your ra- dar in good working order. Before reviewing this chapter please read the safety informa- tion which follows. Turn off the power before performing any maintenance or troubleshooting procedure. DANGER Hazardous voltages can shock, burn or cause death. Only qualified personnel totally famillier with elec ...

  • Furuno 1942 MARK-2 - page 34

    5-2 5.3 T roubleshooting T able 5-2 contains simple troubleshooting procedures which you can follow to try to re- store normal operation. If you cannot restore normal operation, do not attempt to check inside any unit of the radar system. Any re- pair work is best left to a qualified technician. T able 5-2 T roubleshooting table . . . f I. . . t u ...

  • Furuno 1942 MARK-2 - page 35

    5-3 5.4 Self T est T he self test facili t y checks the key board, ROM and RAM f or proper operati on. 1. Pr ess t he [M ENU] key . 2. Select “OTHER MENU”. 3. Sel ect “23. Sel f T est” and press the [ACQ/ E N T ER ] ke y . T h e fol lowing disp la y appear s. ARP-10 TEST ROM OK 18990871xx RAM OK SPEED OK NAV 0.0KT COURSE OK 167.6 q TRIGGER ...

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    6 -1 6. OPERA TION OF ARP-10 (OPTION) CAUTION The plotting accuracy and response of this auto plotter meets IMO standards. Tracking accuracy is affected by the following: Tracking accuracy is affected by course change. One to two minutes is required to restore vectors to full accuracy after an abrupt course change. (The actual amount depends on gyr ...

  • Furuno 1942 MARK-2 - page 38

    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. It requires heading data to function. The Auto Plotter permits manual or automatic acquisition and automatic tracking of up to 10 radar targets. An internal microprocessor calculates target data such ...

  • Furuno 1942 MARK-2 - page 39

    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 IM 3M 6M 15M 30M Off 15S 30S 1M 2M 3M 6M Off 0.5 1nm 2nm 3nm 5 nm 6nm 30S 1M ...

  • Furuno 1942 MARK-2 - page 40

    6-4 6.3 Acquiring T argets Manual acquisition Follow the steps below to manually acquire a target. Up to 10 targets can be manually acquired. 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 status as below . A vector appears in about one ...

  • Furuno 1942 MARK-2 - page 41

    6 -5 Follow the steps shown below to activate the auto 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. T erminating T racking of T argets When the Auto Plotter has acquired 10 tar- gets, no more acquisition occurs unless tar- ...

  • Furuno 1942 MARK-2 - page 42

    6-6 6.5 Mode and Length of V ectors True or relative vector (vector mode) T arget vectors are displayed relative to own ships reading (Relative) or with reference to North (T rue). Own ship does not have a vec- tor in relative mode. V ector length From the ARP-10 MENU, V ector Length can be set to 30 seconds, 1, 3, 6, 15 or 30 min- utes and the sel ...

  • Furuno 1942 MARK-2 - page 43

    6 -7 CP A/TCP A alarm ranges must be set up prop- erly taking into consideration the size, ton- nage, speed, turning performance and other characteristics of own ship. Follow the steps shown below to set the CP A/ TCP A alarm ranges: 1. Open the “ARP-10 MENU.” 2. On the “CP A Set” line, select a CP A limit desired. (Off, 0.5, 1, 2, 3, 5, 6 ...

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  • Furuno 1942 MARK-2 - page 45

    SP - 1 SPECIFICA T IONS OF MA RINE RADA R MOD EL 1932/1942 M A R K-2 1. G ENERA L (1 ) Indic at ion S yst em P PI Da ylight dis p lay, r a st er s ca n, 8 t ones in monochr ome (2 ) R ange, P uls ele ngt h (P L) & P uls e Repet ition R a te ( PR R ) R ange ( nautical mile s) PL PR R 0.125 0.25 0.5 0. 75 1 1.5 2 3 4 6 8 12 16 24 36 48 64 SP 2100 ...

  • Furuno 1942 MARK-2 - page 46

    SP - 2 (8 ) Bandwidth Tx pulselength 0.08 μ s and 0.3 μ s: 25 MHz Tx pulselength 0.8 μ s: 3 MHz (9) Duplexer Circulator with diode limiter 4. DISPLAY UNIT (1) Indication System PPI Daylight display, raster scan, 8 tone s i n monochrome (2) Picture Tube 10 inch rectangular monochrome CRT effective display area more than 150 mm (3) Range, Range In ...

  • Furuno 1942 MARK-2 - page 47

    SP - 3 Wate r te m perature: MTW>MDA Ti m e : Z DA Cro ss trac k e rror: RMB >X TE>A PB *1: ca lcu lat e by magnet ic dr ift . (7) Output Data NMEA 0183 (V ersio n1.5/2.0), R S-422 T LL (t a r get da ta ) and R S D 5. E NVIRONM ENTAL CONDITI ON (1 ) Ambi ent T emper a t u r e S ca n ner Unit : - 25 ° C to + 70 ° C Dis pla y Unit: -1 5 ° ...

  • Furuno 1942 MARK-2 - page 48

    IN-1 Index A Acquisition ............................................... 6-4 A/C AUTO key ......................................... 2-4 ACQ/ENTER key ..................................... 6-2 A/C RAIN control .................................... 2-4 A/C SEA control .................................... 2-3 Auto plotter .............................. ...

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    6JGRCRGTWUGFKPVJKUOCPWCN KUGNGOGPVCNEJNQTKPGHTGG FURUNO Authorized Distributor/Dealer FURUNO Authorized Distributor/Dealer 9-52 Ashihara-cho, 9-52 Ashihara-cho, Nishinomi y a 662-8580, JAPAN Nishinomi y a 662-8580, JAPAN Tele p hone : Tele p hone : 0798-65-2111 0798-65-2111 Fax Fax 0798-65-4200 0798-65-4200 : : FIRST EDIT ...

Manufacturer Furuno Category Marine RADAR

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A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Furuno 1942 MARK-2 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Furuno 1942 MARK-2.

A complete Furuno manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

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2. Contents - index of all tips concerning the Furuno 1942 MARK-2, that we can find in the current document
3. Tips how to use the basic functions of the device Furuno 1942 MARK-2 - which should help us in our first steps of using Furuno 1942 MARK-2
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Furuno 1942 MARK-2
5. FAQ - Frequently Asked Questions
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