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Furuno 1761 MARK-3 Installation Manual

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  • Page 2 Y o u r L o c a l A g e n t / D e a l e r 9 - 5 2 , A s h i h a r a - c h o , N i s h i n o m i y a , J a p a n T e l e p h o n e : 0 7 9 8 - 6 5 - 2 1 1 1 T e l e f a x :...
  • Page 3 Note: If the scanner unit is installed at a close distance in front of the wheel house, your administration may require halt of transmission within a certain sector of scanner revolution. This is possible Ask your FURUNO representative or dealer to provide this feature.
  • Page 4 WARNING WARNING Do not open the equipment Be sure that the power supply is unless totally familiar with compatible with the voltage rating of electrical circuits and the equipment. service manual. Connection of an incorrect power supply Only qualified personnel can cause fire or equipment damage.

  • Page 5: Table Of Contents

    TABLE OF CONTENTS SYSTEM CONFIGURATION ............. iv EQUIPMENTS LIST ................v 1. MOUNTING 1.1 Mounting Methods for Scanner Unit ..............1-1 1.2 Fixing Holes in Mounting Platform ..............1-1 1.3 Fastning the Radiator to the Radiator Bracket ..........1-2 1.4 Mounting the Scanner Unit ................1-2 1.5 Display Unit Installation ..................

  • Page 6: System Configuration

    SYSTEM CONFIGURATION Scanner Unit XN10A-RSB-0070-065 Navigation IEC 61162* (In/Out) device Display Unit External Alarm Gyro- Gyro Converter RDP-099 Buzzer OP03-21 compass AD-100 Intergrated Heading Sensor PG-1000 12 VDC: 24/32 VDC: 5A Rectifier *Equivalent to NMEA 0183 RU-3423 Option 12/24/32 VDC 115/230 VAC...
  • Page 7 EQUIPMENT LISTS Standard Supply — — l l a Optional Supply i f i t...

  • Page 8: Mounting

    1. MOUNTING • Do not paint the radiator aperture, to en- 1.1 Mounting Methods for sure proper emission of the radar waves. Scanner Unit • When this radar is to be installed on larger vessels, consider the following points: • The scanner unit is generally installed ei- ther on top of the wheelhouse or on the •...

  • Page 9: Fastning The Radiator To The Radiator Bracket

    1.3 Fastening the Radiator to Scanner the Radiator Bracket radiator For your reference, scanner installation ma- Coat threaded terials list appears in the packing lists at the holes with anti- back of this manual. corrosive O-ring sealant. 1. Remove the radiator cap from the radia- Radiator bracket tor bracket.
  • Page 10 2. Lay the scanner unit on the mounting plat- 4. Pass flat washers, spring washers and form, orienting it as shown in Figure 1-5. nuts onto hex bolts. Fasten by tightening nuts. Do not fasten by tightening the hex bolts; seal washers may be damaged. Seal washer Scanner unit...

  • Page 11: Display Unit Installation

    11. Do steps 6-8 in “Outside fixing holes”. Fixing holes inside szcanner unit This method requires removal of the RF unit in the scanner unit to access inside fixing 1.5 Display Unit Installation holes. Use hex head bolts, flat washers, spring washers and nuts (local supply) to Mounting consideration mount the scanner unit, confirming lengh of...
  • Page 12 Mounting The display unit is mounted in a hanger. The mount itself can be installed either overhead, on a bulkhead, or on a tabletop. The drawing below gives the recommended clearances and mounting dimensions for this unit. You can use the mount itself as a template for locating the mounting screw holes.
  • Page 13 Figure 1-10 Cutting Size for Flush mount Installation of rubber vibration isolators The rubber vibration isorators stabilize the display unit against ship’s vibration. Attach them to the mounting bracket if necessary as follows. Align edges of isolator with notches and press in place.

  • Page 14: Connections

    2. CONNECTIONS 2.1 Connecting the Signal Bolt Cable 4-M4×16 Only the signal cable runs from the display Plate unit to the scanner unit. In order to minimize the chance of picking up electrical interfer- Gasket ence, avoid where possible routing the sig- nal cable near other onboard electrical Flat equipment.

  • Page 15: Display Unit Connections

    6. Unfasten four screws shown in the figure 8. Connect the signal cable to the RTB below. Board (03P9249), referring to the inter- connection diagram and the figure below. Four screws Note that connector VH2P is not used. J821 VH9P J824 NH13P Lead in J823 VH4P...

  • Page 16: Connection Of External Equipment

    Power connection Cable Assy Supplied 22S0269-0 with AD-100 This radar is designed for 12, 24 or 32 volt 10 m, option battery systems. No internal wiring changes To "GYRO" AD-100 are needed for input voltage from 10.2 to 40.0 connector option on the rear VDC.

  • Page 17: Checking The Installation

    2.5 Checking the Installation If your navigation aid has NMEA0183 or After completing the installation, it is a good FURUNO CIF data format, your own ship's idea to recheck it to be sure all steps were position in latitude/longitude, the range/bear- correctly done.

  • Page 18: Adjustments

    3. ADJUSTMENTS After checking the unit for proper installation 3.2 Sweep Timing its time to adjust it. This adjustment ensures proper radar per- WARNING formance, especially on short ranges. The radar measures the time required for a trans- Before transmitting the radar make sure mitted echo to travel to the target and return no one is near the scanner unit, to pre- to the source.

  • Page 19: Relative Bearing Alignment

    If you don’t know how to do it well, it’s best Cursor Program No. you leave this part to a qualified technician. (Remember that the scanner housing fixing SEL MENU BY TRKBALL : MENU bolts remain untightened. They should now ITEMS WITH RANGE KEY be secured if the following alignment is not 03590361xx...

  • Page 20: Mag Or Gyro Indication

    8. Press a [RANGE] key to bisect the target 3.5 Range Unit Selection with the heading marker. See Figure 4-5 (b). The range unit of the cursor and the VRM is selectable for either “NM” (nautical mile) or 9. Press the [MENU] or select menu by the “KM”...
  • Page 21 If the echo disappears while the boat is turning, the target has entered a shadow sector and it will again become visible when the target emerges from the shadow. Very quiet considerations of wind and sea are essential to ensure reliable results when this operation is carried out on a small craft since a rough sea can cause a buoy to be lost in the clutter or...

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