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INSTRUCTION MANUAL
Simrad FU50
Steering Lever

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  • Page 1 INSTRUCTION MANUAL Simrad FU50 Steering Lever...
  • Page 2 Note! Simrad AS makes every effort to ensure that the information contained within this document is correct. However, our equipment is continuously being improved and updated, so we cannot assume liability for any errors which may occur. Warning! The equipment to which this manual applies must only be used for the purpose for which it was designed.
  • Page 3 Introduction Instruction Manual This manual is intended as a reference guide for operating and correctly installing the Simrad FU50 Follow-up Steering Lever. Please take time to read the manual to get a thorough understanding of the follow-up steering lever and its relationship to a complete autopilot system.
  • Page 4 Simrad FU50 Follow-up Steering Lever Document revisions Date Written by Checked by Approved by 11.06.02 27.09.02 Document history Rev. A Original issue Rev. B Updated to FU50 software version V1R2 20221065B...
  • Page 5: Table Of Contents

    Introduction Contents General Information..................5 Operation ...................... 6 2.1 Power On/Off ..................6 2.2 Inactive Units ..................6 2.3 Mode Selection..................6 2.4 Thruster Function .................. 7 2.5 Follow-up (FU) Steering ............... 7 2.6 Course Change ..................8 2.7 Work Mode on AP35 and AP50 Autopilots ......... 8 2.8 Nav-, Turn-, Dodge, and Wind Modes ..........
  • Page 6 Simrad FU50 Steering Lever This page is intentionally left blank 20221065B...
  • Page 7: General Information

    General Information GENERAL INFORMATION The FU50 Follow-up steering lever features a dial (scale), with 5° markings. This enables the operator to command a wanted rudder angle by moving the follow-up lever/knob to the required rudder angle in FU mode. The rudder will move and stop at the set angle.
  • Page 8: Operation

    Simrad FU50 Steering Lever OPERATION When operating an autopilot system of multiple control units and steering levers, control is accessible from every control station connected to the system. One station (control unit or FU50) is "active" and provides the user with access to the respective mode functions.
  • Page 9: Thruster Function

    Operation Press the AUTO/NAV to select AUTO mode (AUTO AUTO indicator is lit). The autopilot automatically selects the current boat heading as the set course. NAV mode can not be selected from the FU50. This is a AUTO safety feature to avoid hazardous rudder commands. When NAV mode is selected on an autopilot control unit, the NAV mode indicator on the FU50 is pulsating.
  • Page 10: Course Change

    Simrad FU50 Steering Lever For AP50 system only: If a continuous/proportional thruster is selected it will push in the same direction as the rotary knob is turned with a % force between 0 and max (100%). If an On/off thruster is selected, FU steering is activated by...
  • Page 11: Nav-, Turn-, Dodge, And Wind Modes

    Operation The only way to change from AUTO mode to (AUTO-) WORK mode and vice versa is on the AP35/AP50 Control Unit or on the AP51 Remote Contol. Nav-, Turn-, Dodge, and Wind Modes If NAV-, TURN-, DODGE, or WIND modes have been selected on the autopilot control unit, it will change to ordinary AUTO mode when the AUTO/NAV button is pressed on FU50.
  • Page 12: Illumination

    Simrad FU50 Steering Lever To reopen the locked remote units, you have to take control from the master control unit, and again make a quick STBY double press on the master control unit (STBY) button. System Disengaged The “System select” (Sys. Sel.) input signal of the J50 can be used to alternate between the boat’s own steering and the...
  • Page 13: Self Test And Calibration

    Operation 2.12 Self Test and Calibration Note ! Under normal circumstances, the self-test should not be necessary. Pressing and holding AUTO/NAV push button while switching on by pressing FU/STBY button, will activate the self test function in the following sequence: 1.
  • Page 14: Technical Specifications

    Simrad FU50 Steering Lever TECHNICAL SPECIFICATIONS Dimensions: ....................See Figure 3-1. Handle can be mounted pointing upwards or downwards. Weight: ................1.2 kg (2.6 lbs) including cable Material:....................Polyacetal (POM) Power consumption: .....................3W Environmental protection: ................... IP56 Compass safe distance:................0.15 m (0.5 ft.) Temperature: Operating:............
  • Page 15: Installation

    Installation INSTALLATION The unit is mounted to bulkhead or panel by three Allen screws (2) from the front. See Figure 4-1. The head of the screws may be covered with the three enclosed caps (1). 1 - Cover for screw head 2 - Screw M6x40 3 - Washer M6 4 - Nut M6...
  • Page 16: Fu50 In A Wheelmark System

    Simrad FU50 Steering Lever The cable gland can also be mounted in the back cover. The unit is opened by removing the four screws on the back cover. Inside are a potentiometer and a printed circuit board with plug-in terminals. Internal wire connection is shown on Figure 4-3.
  • Page 17: Maintenance

    Maintenance MAINTENANCE Under normal use, the FU50 Steering Lever will require little maintenance. If the unit requires any form of cleaning, use fresh water and a mild soap solution (not a detergent). It is important to avoid using chemical cleaners and hydrocarbons such as diesel, petrol, etc.
  • Page 18: Service

    Simrad FU50 Steering Lever SERVICE How to Replace a Defective Potentiometer: Refer to Figure 7-1. 1. Remove the center cover (1) with the o-ring (2) on top of the FU50 Head (7). 2. Loosen the nut (3) a couple of turns. Use a flat screwdriver, min 6, max 10 mm wide.
  • Page 19: Spare Parts List

    Spare Parts List SPARE PARTS LIST 20212460 FU50 Follow-up Steering lever with accessories 20212304 FU50 Controller (complete unit without handle and mounting kit) 22083562 Mounting kit consisting of: 44154458 Screw M6x40 Hex 44148823 Washer M6 44150068 Nut M6 44165819 Cover for screw head 20212353 Center cover 44165397...
  • Page 20 Robertson FU50 Follow-up Steering Lever Figure 7-1 FU50 Exploded view 20221065B...
  • Page 21 Sales and Service World-wide SALES AND SERVICE WORLDWIDE (150502) MALTA SPAIN (Recreational) EUROPE Medcomms Ltd. Simrad Spain, SL Maritim Oy AUSTRIA 4 Msida Rd. Partida Torres N° 38 Veneentekijäntie 1 Allroundmarin Gzira GZR03 Nave 8 Y 9 SF 00210 Helsinki Griesfeldstrasse 1 Tel.: +356 21 335521 03570 Villajoyosa...
  • Page 22 Robertson FU50 Follow-up Steering Lever SOUTH AFRICA JAPAN BRAZIL ASIA Marine Radio Acoustic Nippon Kaiyo Co, Ltd. Demo Offshore Ltda SINGAPORE Devices 9-2 Sakae-Cho Av. Marechal Camara Jason Electronics Pte P O Box 12076 Kita-Ku Ltd. N1 City 7463 Tokyo 114-0005 Sala 614, Blk 194 Pandan Loop Edgemead 7441...

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