Furunoメーカー1932 MARK-2の使用説明書/サービス説明書
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MARINE RADAR MODEL 1932 MARK-2/1942 MARK-2 Back.
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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.
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.
iii COMPLIA NCE WITH R &TTE DIRE CTIVE 1999 /5/EC T h is r adar c om pl ies w it h the R&TT E Di rective 1999/ 5/EC. I n accordanc e wi t h Article 6- 3 of thi s directi v e, F URU NO intends t o put thi s r adar on t he mark et of the fol lowi ng c ount ri es in EU as w ell other m ar ket s.
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.
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? ......
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.
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.
vii SYSTEM CONFIGURA TION Note: Even though the display unit meets waterproof standard IPX-5, the connection of ex- ternal buzze r and/or remote display can a f fect waterproofness. W atertight integrity cannot be guaranteed. When these modification has been done, the display unit should not be mounted where exposed.
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 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.
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.
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 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.
2-4 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 .
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.
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 .
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 o.
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.
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 .
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.
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 .
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.
3-5 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.
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.
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.
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.
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 t.
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.
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.
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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.
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.
5-3 5.4 Self T est T he self test facili ty checks the key board, ROM and RAM f or proper operati on. 1. Pr es s t he [M E NU] key . 2. Select “OT HER MENU”. 3. Sel ect “23. S el f T est” and pres s t he [ACQ/ E N T E R] ke y . T h e fol lowing d i sp l ay appear s.
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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.
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.
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.
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 .
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.
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).
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.
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SP - 1 SPECIFI CA TIONS OF MARI NE RA DAR MO DEL 1932/1942 M A RK-2 1. G ENERA L (1 ) I ndica ti on S ys t em P P I D a ylight dis p la y, r a s t er s c a n, 8 t ones in monochr ome (2 ) R a nge, Pu ls elength ( P L ) & P u lse R epeti t ion R a t e (P R R ) R ange ( nautical mile s) PL PRR 0.
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,.
SP - 3 Wate r tem pe r a tur e: MTW>MDA Ti m e : Z DA Cro ss trac k e rro r: R MB >X TE> A PB * 1: c a lcu la t e by magnet ic dr if t . (7) Output Data NMEA 0183 (V ersio n1.
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 .
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The paper used in this manual is elemental chlorine free. FURUNO Author ized Dis tri but or/ De aler FURUNO Auth ori z ed Dist ri but or/ De a ler 9-52 A shihar a-cho, 9-52 A shihar a-cho, Nishinom i .
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