User Manual
Contents
1. 250 69 70 220 120 240 27 FA Commissioning Checks Connection Tests 1 Voltage to be connected is the required DC voltage 12 or 24V 2 ENSURE POLARITY OF THE VOLTAGE SUPPLY IS CORRECT 3 All electrical connections are correct 4 Loose cables are correct 5 Turn steering wheel fully clockwise and visually check that moving and mechanical parts do not foul visually check that RFU has moved in the correct direction as indicated on the RFU label 6 Repeat step 5 for anti clockwise 7 Turn on power and adjust the rudder limits if necessary See Adjustments section of this manual Dockside Tests 1 Turn steering by hand to centre midships position 2 Determine vessel heading by a sighting on known heading or compass 3 Turn on power supply 4 Align Autopilot magnetic sensor until display reads correct heading 5 Select AUTO mode on control unit 6 AUTO light will come on CAUTION IF AUTOPILOT DRIVES HARD OVER IMMEDIATELY TURN CONTROL UNIT OFF REVERSE MOTOR WIRES MARKED MOT AND MOT AT THE SCREW TERMINALS ON THE KAP 833 AUTOPILOT REPEAT FROM STEP 1 7 Turn course knob 10 degrees to starboard 8 Green steering light should come on 9 Confirm that rudder moves to starboard 10 Turn course knob back to centre then 10 degrees2. ON ay eye My 19 Electrical connection Terminal RUDDER is marked 5V RUD Neg and shield if shielded cable is used The connections are as below Terminal5V 5 volts Red Terminal Rud Signal Yellow TerminalGND GND Black If a small RFUS is used Swl Dip switch section 4 should be set to OFF FOR RFUH IF INTERNAL RESISTORS ARE IN CIRCUIT IT FUNCTIONS AS RFUS After installation of the feedback unit is complete and the linkage is fitted have the steering of the vessel turned lock to lock and ensure a The direction port or starboard indicated on the top of the RFU is correct b No undue mechanical strain is placed on the rudder feedback or linkage NOTE THE AUTOPILOT WILL NOT FUNCTION CORRECTLY IF A RUDDER FEEDBACK IS NOT FITTED OR IF THE FEEDBACK IS FAULTY OR INCORRECTLY ADJUSTED NOTE THE RUDDER FEEDBACK UNIT IS FACTORY ALIGNED THE ARM SHOULD NOT BE REMOVED OR LOOSENED UNNECESSARILY IF ARM IS LOOSENED OR REMOVED VOLTAGE ALIGNMENT SHOULD BE CHECKED BEFORE USING THE AUTOPILOT THIS MUST BE DONE BY A COMPETENT TECHNICIAN 20 Installation of solenoid Please connect the solenoids as follow Motor 1 Port solenoid Motor Connector Motor 2 lt St b solenoid Clutch 3 Negative lead of power supply Installation of Motor Before connect KAP 833 to Motor drive rudder you have to open the upper cover of KAP 833 and short circuit D68 D69 Then connect the motor as fo
3. If the option of Electric steering is enabled this mode may not be available and the unit will go direct to power steer on turn on Auto Mode Engaging Auto steering mode When in Standby Mode and the AUTO key is pressed a beep will sound and the adjacent yellow light will be turned on The autopilot will lock on to the heading indicated Disengaging the Autopilot Press the Standby button A beep will sound and the vessel will return to manual steering Standby Mode The AUTO light will be turned off and STANDBY light turned on Course Adjustment Pressing the port red or stbd green arrow keys will cause a one degree course change in that direction The display will change to indicate the new course to steer Rotating the course change knob will change the course to steer by one degree for each click Entering a course from the keypad and pressing GOTO will change the course to steer to the bearing entered Power Steering Mode Engaging Power Steering Mode Press the Power button A beep will sound and the adjacent light will come on The rudder will move to the centre position Setting the rudder angle Rotating the course control knob clockwise will move the rudder to starboard Rotating the course control knob anticlockwise will move the rudder to port The angle of rudder applied depends on the amount of rotation of the course knob The maximum angle ofrudder is controlled by the internal
4. has been made for two hand remote panel remote steering lever or steering wheel stations These are very robust units which will not be adversely affected by water The abilities they provide are somewhat different from the main control panel See the Operation section of this manual for details For more in formation on installation of your KAP 833 autopilot see the Autopilot Installation section of this manual For more information on using your KAP 833 autopilot see the Autopilot Operation section of this manual EJ Autopilot Operation IE nda a e mn apa ahaa 1 1 1 Overview of Operation a i ia ea Ran iu Bolo fe ERA 1 1 2 Standby MoOdes e toas roo ieee arcada bao oe 2 1 3 Auto Mode Dren e Spgs Ese A aOR A A A A A A ea E ate 3 1 4 Power Steering Modesto e lacra pul ld alada e 4 1 5 GPS Mode NE ee 5 F Alarms RT E a TORI E O a ae E EEE SEE EE ae ee SEE ESE Eels e 7 2 1 Stopwatch Timer Alarm ii a 2 2 Angle Off Course Alatriste ft 7 2 3 No GPS Data Alarm i ene at ia perire 8 13 Remote Unit Operation i E E RE O RO E A E RR AA 9 4 Control function setting Serre tices OS fe POCO EER dhe Sac E EE 11 4 1 Weather een in chee ae lea e aaa 11 42 Counier Rudder 3 3s52p104vessaeniiivicsa ta pisani OLA a 12 4 3 Rudder Rudder Ratio Control Lele RA e a than ee AA A Ra 13 5 Compass Cah bration ee eee s dd a Swede hs od bee ee 14 MS Autopilotiot Installation Pini e de A RA a A 15 6 1 Installation of Main Unit are Se aa A Geb Che BE AE a Re
5. store the Data press GOTO Rate of Turn Control The rate of turn control on the internal preset A Potentiometer VR102 TURN sets the maximum rate of turn for the vessel to prevent very sharp when changing course Fully anticlockwise will turn 1 degree sec ie 180 degrees in 3 minutes Fully clockwise will turn 40 degrees per second ie as fast as possible for most vessels The slower settings may be used for turns while trawling trolling etc and the faster settings used to prevent dangerous or uncomfortably sharp turns Note that the turn rate of a vessel will also depend upon the rudder ratio setting and perhaps the rudder limits If a course change is entered and then it is realised that the rate of turn control is set too low ie the turn is too slow just alter the rate of turn control clockwise until the correct speed is found Once a turn is begun adjusting the rate of turn control downward anti clockwise will have no effect ie the turn rate can be INCREASED during a turn but not DECREASED The rate of turn control applies only in AUTO and GPS modes Rate of turn is also controlled by the rudder limit and rudder ration controls A course change entered from one of the remote steering stations is not controlled by the rate of turn knob Trim The Trim control on the internal preset VR31 TRIM When the KAP 833 first is switched on and in Standby mode the Trim knob should initially be set in m
6. the following is a guide only For more information consult your GPS manual The GPS unit must be set up to output NMEA0183 data on a pair of wires which are connected to the GPS In terminal connections inside the KAP 833 The data generated must include at least on of the following The APA sentence The APB sentence O The BOD and XTE sentences If only the XTE data sentence available the pilot can steer in a restricted manner See later in this section The GPS unit must then be commanded to go to a waypoint or to follow a line joining two or more waypoints called a route This unit will then send information to the autopilot from which can be calculated the course to steer If several waypoints are linked together into a single route and the GPS unit is set to auto sequence between them and an arrival zone of more than 0 1 NM Nautical Miles is set so that the GPS can detect when the vessel has reached a waypoint then the KAP 833 will be able to steer from each waypoint to the next without intervention If only the XTE information is available from your GPS unit then your vessel must be on track and heading in the correct direction before engaging the GPS mode and the auto sequencing feature is not available Remember Prior to engaging GPS mode a route must be programmed into the GPS for the Autopilot to follow No GPS Data Alarm If the autopilot is not receiving valid information while in GP
7. unit has been installed correctly it should not be necessary to adjust the Rudder Limits Switch Setting The rudder limits prevent the steering motor driving the rudder beyond its physical mechanical stops The limit switch is set so that the limit display comes on before the rudder reaches the stops These are two display symbols P_L port limit S_L starboard limit indicating the state of the rudder limit circuits The port limit P_L display will come on when the rudder position is further to port than the limit set by the rudder limit port setting This will cause any port drive command to be ignored and turn off the port drive light on the front panel The starboard limit S_L functions in same way rudder angles to starboard NOTE THE RUDDER LIMITS ARE FACTORY SET TO APPROXIMATELY 25 DEGREES IF THE RUDDER FEEDBACK HAS BEEN INSTALLED CORRECTLY THE P_L AND S L SYMBOLS SHOULD DISPLAY WHEN THE RUDDER IS MOVED PORT PORT OR STARBOARD BY 25 DEGREES 29 30 Setting Rudder Limit Select Standby mode Enter 905 and press and hold GOTO the Auto Standby or Power only the standby light will be on The display will indicate between 0 and 256 this is representative of rudder position where 128 is centre 256 is fully port and 0 is fully starboard Set the rudder to the required port position and press Port Arrow Button Set the rudder to the required Starboard position and press Stbd Arrow Button To
8. used to determine the amount of rudder the vessel requires for steering actually the amount of rudder angle applied for a given angle off course The centre position is usually suitable for most vessels but should the vessel s steering be sensitive or slow adjustment maybe required In general an agile vessel with a relatively large rudder or very small keel will require a small rudder setting A large slow vessel may require a high value for the rudder ratio This may also be adjusted according to speed low speeds may require more rudder angle for steering than high speeds A value of 1 signifies the minimum amount of applied rudder for sensitive steering large rudders or low gearing ratio A value of 10 signifies the maximum amount of applied rudder for vessels with slow steering small rudders or high gear ratio When the rudder setting is too low turns will take an excessive amount of time and the vessel may wander When the rudder setting is too high turn will be rapid and the vessel will oversteer 13 14 E Compass Calibration The compass supplied with your KAP 833 autopilot has been calibrated during manufacture This calibration will be satisfactory for almost all installations If you have a steel vessel or some other factor which causes the compass to perform poorly the calibration procedure will adjust compass characteristics to compensate The calibration should only be done i
9. 33 main panel Auto GPS Power or Standby To engage Power Steer Mode 10 Ensure the remote unit switch is set to Off and the remote dial or steering lever is set to centre Change the remote switch to the Power position The remote dial or steering lever now acts as the helm giving control over the movement of the rudder The maximum rudder angle is controlled by the rudder limit adjustment on the KAP 833 main panel To disengage Power Steer Mode Return The rudder to centre before switching to Off Electric Helm or Steering Lever The KAP 833 can be customised to accept input from an electric helm steering wheel or Steering Lever to provide electric steering in place of or in addition to manual steering The KAP 833 is programmed to suit a customer s needs For full electric steering Power Steer mode will automatically be selected at turn on For manual steering plus electric steering Power Steering must be selected manually on the KAP 833 unit In both of these options the course change knob on the KAP 833 has no effect in Power mode The Remote Operation can be modified by the Installing Technician as listed in_special modes section of this manual A Control function setting Weather The main power switch is incorporated in this variable control When in the OFF position no power is applied to KAP 833 By turning this in a clockwise direction from the OFF position the switch applies to the KAP 833 Thi
10. ONWA KAP 833 KAP833 OPERATOR S MANUAL Autopilot Warning Automatic pilots are designed to be a navigational aid As an automatic steering aid an autopilot can alleviate the boredom of hand steering This allows the operator of the vessel time to attend to other duties keep a more accurate check of navigation duties or just relax and enjoy the trip HOWEVER THE AUTOPILOT SHOULD NOT BE LEFT SOLELY IN CHARGE OF THE VESSEL AND AN ADEQUATE WATCH SHOULD BE MAINTAINED AT ALL TIMES IT IS NOT RECOMMENDED THAT THE AUTOPILOT BE USED WHILE NAVIGATING IN RESTRICTED WATERWAYS AS WATER CURRENTS WIND CHANGES OR RADIO TRANSMITTER INTERFERENCE MAY AFFCT VESSEL COURSE SUFFICIENTLY TO ENDANGER YOUR OWN OR OTHER VESSELS Introduction The KAP 833 autopilot is a hybrid of digital and analogue technology to give the best of both worlds excellent steering characteristics with digital compass display keypad course input GPS and gyro interfaces and much more in solid metal case The KAP 833 Autopilot controls the vessel steering through mechanical drive reversing pump set solenoid valves or relays The compass must be installed in a place free of magnetic interference and connected to the autopilot via the cable supplied The rudder feedback must be attached to the rudder in such a way that it can accurately measure the position of the ships rudder This must also be connected to the autopilot via the cable supplied Provision
11. S Mode the No GPS Data alarm will sound and the GPS light will blink This could be caused by Incorrect wiring of the GPS to the KAP 833 Incorrect data output from the GPS unit No route set up or selected in the GPS unit No location fix at the GPS unit See also Alarms in the Operation section of this manual The bearings generated by the GPS unit must correspond to the bearings the KAP 833 is receiving from its magnetic compass The greater the difference between these bearings the less accurate will the be GPS Mode steering O Ensure that the GPS unit has the correct magnetic correction factor Ensure that the KAP 833 compass is correctly aligned and installed PI Alarms A number of conditions will cause alarms to sound In some cases lights on the control panel will also blink Each alarm has a different beep pattern except stopwatch and commercial watch alarm The external alarm output may also be turned on by some of these alarms this does not have a beep pattern Stopwatch Timer Alarm This alarm indicates that the time set by the user has expired Alarm pattern is 0 2 second on 0 2 second off until reset The external alarm output is turned on 1 minute after the internal alarm commences Note that a suitable piezo buzzer must be attached to this output This is not supplied with the KAP 833 but is available as an option Angle Off Course Alarm The alarm pattern is 0 2 seconds on 0 2 seconds off
12. a course change with the course knob entering a course from the keypad or recalling a stored course with the PRESET button Power Steer The rudder angle may be controlled by the course knob on the main panel or from one of the remote steering stations GPS Mode When receiving information from a GPS unit the autopilot can steer a vessel to a precise latitude and longitude Stopwatch Timer Mode A timer can be set for 1 to 60 minutes When the time expires an alarm will sound Uses include timing of trawling runs or a reminder to check for anchor drag at set periods during a storm O Remote steering stations Two of these may normally be fitted eg on each side of the bridge allowing adjustment of the autopilot course or direct control of the rudder power steering An optional third steering lever may be connected to the control unit subject to a special order at time of delivery O Rudder Ratio Weather and Counter Rudder These controls customise the KAP 833 for your vessel They may also be used to adjust steering for varying sea conditions Standby Mode Turn Weather control knob clockwise to switch KAP 833 on to Standby mode In this mode The Main and Standby lights are on The motor clutch is disengaged No steering control output is generated The commercial watch alarm is turned off if enabled The digital display shows the vessels current magnetic course Possible alarms Stopwatch timer alarm
13. and external rudder limit settings For information on power steering with a remote unit eg Electric Wheel or Steering Levers see the section on remote units If your vessel requires counter rudder while steering in auto mode you may wish to set the counter rudder control 1 ie disabled while using power steer GPS Mode For use when interfaced to a GPS generating NMEA 0183 data output While in auto mode this allows the autopilot to be directed by the GPS enabling automatic heading changes and eliminating the effects of wind and tide The digital display indicates the course to steer which will be the bearing between the origin and destination waypoints plus a factor to correct for the current cross track error XTE Engaging GPS Mode When in any mode press the GPS key A beep will sound and the adjacent yellow light will be turned on The vessel will begin turning from its current course to the course requested by the GPS unit at a maximum rate of 10 degrees per second If no GPS data is being received by the KAP 833 the autopilot will lock onto the course of the vessel at the time that GPS Mode was engaged and the No GPS Data alarm shall sound Disengaging GPS Mode Pressing the Auto key will set the KAP 833 to Auto Mode Pressing the Standby key will return the pilot to Standby Setting up your GPS unit Because there are a great variety of GPS units that will work with this autopilot
14. avoided The compass need not be mounted in a weatherproof position The compass can be mounted on top of a flat surface on a bulkhead or from the deck head Check other side of bulkhead for materials which may cause magnetic interference Interference from any iron or steel can cause malfunction of the compass unit To prevent this occurring a minimum distance of 1 meter 3 feet should be kept from any steel or other ferromagnetic materials This includes speakers and radios with internal speakers Fasten the compass bracket with non magnetic screws The compass must be mounted in a near vertical position See also the diagram labelled compass installation 17 18 Calibration The compass unit will need to be rotated in its bracket for the correct heading to be displayed The compass is calibrated before leaving the factory and will be accurate enough for sea trials After initial sea trials you may wish to recalibrate the KAP 833 compass although in most cases the factory calibration will be as good as or better than calibration achieved on the vessel See the Compass Calibration section in autopilot operation Interchanging Magnetic Sensor Unit amp Compass Top Sensor The magnetic sensor unit fluxgate and compass top sensor can be interchanged However the compass detector switches identified as component SW 1 on the PCB must be switched to correct position Note Rear cover must be removed For magnetic se
15. aws in excess of 250 milliamps is used this must be connected via a relay The KAP 833 external alarm circuit is used to energise the relay coil and power to the siren or alarm unit is connected via the relay contacts The external alarm output is activated if the stopwatch timer or commercial alarm has been sounding for longer than one minute GER PORT Wiring Diagram 25 MO Nes SEN RUDDER MOTOR TI Y REMOTE COMPASS ALARM POWER GPS REMOTE COMPASS ALARM RUDDER MOTOR POWER 1 In 1 1 Adjust 1 Green 1 ALA 1 5V red 1 MOT 1 Power 2 In 1 2 Contro l 2 Red 2 ALA 2 Sig yellow 2 MOT 2 Power 3 Out 1 3 Adjust 3 Yellow 3 3 Gnd black 3 Clutch 4 Gnd 4 Contro 2 4 White 4 2 5V 4 Clutch 5 In 2 5 5V 5 Blue 5 MATT 6 In 2 6 Gnd 6 Shield 7 Out 2 7 10V 8 Gnd System Configuration with optional items 26 Main Ia Power GPS Unit ae GPS 66000 Ba Electromotion Remote redirector portable VIN controller Motor Compass sersor Rudder Alarm Rudder angle indicator Installation Dimension Diagram 6 11 133 170 67
16. e ee PESI e ale eee te ib oo 15 6 2 Installation of Compass ta a RI TN A Se Bh he tke ke EE 16 6 3 Installation of Rudder Feedback i ona weer ered ane 19 6 4 Installation of solenoid Leal ini es dette Wes Ree ee cece ese e eats ee eee renee 21 6 5 Installation of Motor A e Ms tebe ds e iti 21 6 6 Installation of Remote Units A di Ge e Aaa e a aa e A PR dds 22 6 7 NMEA Connection E A i A RA E e a RA A a a 23 6 8 External Alarm Installation i 24 6 9 PORT Wiring Diagram ilo i ie ii 25 6 10 System Configuration with optional items 26 6 11 Installation Dimension aa RA E E a a a ia 27 Eri Commissioning Checks hess Hes Me eee alta aka ada ea na 28 7 1 Connection Tests ii 28 7 2 Adjustments ROIO NSA A RR a e FRA Gene ee GR me Al ee aa E Bei A 29 7 3 Fuse Protection ESERCENTE TORE TRI IT fae TENESTE eaten ds aa tica 32 1 Autopilot Operation Overview of Operation The following is a brief list of the capabilities of the KAP 833 autopilot Each described in more detail in a separate chapter Note Power to the KAP 833 is supplied via Weather control Turn the knob control in a clockwise direction to apply power to the KAP 833 this will initially put the KAP 833 into Standby mode O Standby Mode The digital display shows the current magnetic heading The autopilot will not apply any steering control O Auto Mode The autopilot will maintain your vessel on any desired magnetic course This course can be set from the control panel by dialling up
17. e errors can be minimised by having the ships compass swung and compensated by a licensed compass adjuster In any case it is highly unlikely that the ships compass and autopilot compass will be congruent for every heading If you are unsure of the success of the calibration you may return to the factory calibration setting by entering 903 hold down GOTO press AUTO then release both buttons together 3 Autopilot Installation Installation of Main Unit Position The KAP 833 main panel should be mounted in an accessible position protected from rain or salt water Wiring Access for wiring must be provided Cabling will have to be run to the rudder feed back Unit compass unit and steering drive system Wiring should be kept as far away as possible from radio aerials and aerial cables to prevent interference to the radio and to prevent transmitted signals from the radio influencing the pilot The power source for the autopilot should be fused separately from other equipment Maintain conventional colour coding and if necessary mark the cables for ease of identification Connection As per diagram labelled Connection Diagram for KAP 833 Magnetic Effect As aminimum amount of steel is used in the control unit there is negligible effect on a steering compass Some radio interference may be caused and the routing of cables should be considered when wiring the vessel 15 16 Installation of Compass There are two typ
18. es of compass suitable for this autopilot a magnetic sensor unit fluxgate which is a complete compass and the compass top sensor CTS which is used together with a standard magnetic ships compass Installing a Compass Top Sensor The sensor unit placed on the glass plate of the ships compass in the exact centre of the compass card and secured with an adhesive such as double sided tape or silicon sealant Before fixing the sensor in place align it carefully so that the KAP 833 compass displays the same bearing as the ships compass The compass top sensor is preferred for steel hull vessels provided a suitably compensated compass is fitted to the vessel Bow Compass sensor rd Keel line Compass Bow Compass sensor Parallel travel Installing a Magnetic Sensor Unit Fluxgate The compass unit should be treated carefully as the internal gimbals can be broken if dropped Remove any internal packing before use The position of this compass is the most important item in the installation of the autopilot Good course holding depends on the compass being free from magnetic interference As this compass has no moving card it is not necessary for the compass to be mounted low in the vessel This is usually a place of high magnetic interference and should be avoided However a position of severe roll such as the top ofa mast should also be
19. f the compass is known to be inaccurate If the KAP 833 compass display as constant offset eg the autopilot compass reads 3 degrees high on all bearings simply rotate the KAP 833 compass case to align bearings with the ships compass it is not necessary to re calibrate the compass as described below If the KAP 833 compass has inconsistent variation on different headings the following calibration procedure can be carried out This procedure should only be done in calm waters with adequate sea room 1 Enter 901 by using keypad then hold down GOTO Press AUTO then release both buttons together 2 Turn vessel slowly through two complete circles in same direction Each complete turn should take at least 60 seconds 3 When the circles are complete enter 902 by using the keypad then hold down GOTO press AUTO then release both buttons together This completes the compass calibration Check alignment of the KAP 833 compass by steering vessel due North 000 on ships compass and if necessary rotate outer case of the KAP 833 compass in its bracket until the heading display reads 000 Note The effectiveness of the calibration is dependent upon all 3 steps being completed Should you wish to abort the calibration procedure at any time during the circle turning do not carry out step 3 It is important to realise that on any vessel the ships compass can have heading errors as a result of the vessels magnetic signature Thes
20. id position which corresponds to setting of 5 There are circumstances in which the autopilot may set the rudder in the centre according to its feedback unit but the vessel does not steer straight ahead Reasons for this are 1 The rudder feedback unit may not be perfectly aligned 2 There may be a side wind current net drag etc which causes the vessel to steer to one side The KAP 833 computer program can compensate for these errors but may take a few minutes to correct completely Adjusting the trim control can eliminate these errors immediately To find the correct trim setting With the vessel travelling ahead switch autopilot the to power steer mode Adjust the trim control until the ship steers straight The trim control is not intended to be used for adjusting the vessel course in auto or power steer mode 31 Fuse Protection The KAP 833 has a 10 Amp fuse mounted internally This device will shut off power to the KAP 833 autopilot if a short ciruit occurs inside the autopilot or between a power output and ground If this fuse blows repeatedly recheck all your installation and wiring carefully If no error is found consult your dealer or Technician KAP 833 Special Modes To enter special modes enter number on keypad press and hold GOTO then press STANDBY To store the data press GOTO To exit special modes press MAIN To use preset value press PRESET Selection 901 Start compass calibration CAL di
21. llows Motor 1 Motor Motor Drive Connector Rudder Motor 2 21 22 HS Installation of Remote Units Hand Remote Panel Remote and Steering Lever with switch These units are very robust and may be mounted where subject to occasional splashes of water If mounted in direct sunlight the Panel Remote decal may fade The cable leading from the unit should be connected to the Remote connector on the rear panel of your KAP 833 NMEA Connection Data In For GPS navigation connect the GPS unit data output and data return wires to terminals marked IN and IN of the NMEA Data terminal GPS IN1 and Inl The connections to be used are marked IN Negative IN Signal Data In Connection NOTE Examples only O For any GPS unit which has a BNC type output plug a bayonet plug taking a coaxial cable with core and shield connect the core to INl and the shield to Inl For a GPS unit with loose wires connect the positive to the IN and negative to IN Refer to diagram for terminal location 23 24 EE External Alarm Installation An external buzzer may be connected to the port ALARM terminals ALA and ALA The ALA output will be 10 volts when the alarm is not sounding with alarm connected and approximately 0 volts when active We recommends a 12 volt piezo buzzer with maximum current draw not exceeding 250 milliamps be connected to this output If a larger type siren or alarm unit which dr
22. nsor unit compass switch 1 and 2 to OFF For compass top sensor switch 1 and 2 to ON OFF ON 1 COMPASS CTS 2 COMPASS CTS 3 Not used 4 RFUS RFUH Terminal Strip Side of PCB For Magnetic Sensor COMMAG Autopilot Compass switches 1 and 2 must be OFF For Compass Top Sensor CTS switches 1 and 2 must be ON Installation of Rudder Feedback RFUH standard supplied Position Install rudder feedback as shown in the diagram labelled Rudder Feedback Unit Installation The unit should be adjacent to the tiller and must copy the angular movement of the tiller The markings on the rudder feedback unit indicates the required movement of the tiller for course correction It should be installed with the shaft uppermost mounted and linked in such a way that the four pivot points tiller post feedback shaft and the adjustable linkage points form the four corners of a parallelogram The rudder feedback unit is water resistant However if it is to be mounted ina wet position some effort is necessary to ensure the unit does not become immersed in water If necessary the rudder feedback unit may be mounted upside down in which case the blue and red or brown connections to the KAP 833 terminal strip should be reversed Optional Connection Arm k yg Ca y gt y X A o gt amp NY EOS Rudder feedback unit Rudder A pa Y SS i Pry S 0 o a
23. s setting is used for adjusting the autopilot response to varying sea conditions and varying vessel capabilities The weather value sets the desired accuracy of the vessel steering A high weather setting will cause the vessel to steer very accurately but may cause excessive use of the steering In good weather set this control to a high value but ensure that the drive lights do not flicker continuously This will give the straightest possible course In poor weather reduce this setting to prevent over working the steering Rotating this control fully anti clockwise will turn off power to the KAP 833 autopilot 11 12 Counter Rudder In some vessels changing course requires a large amount of rudder to be applied initially and then a smaller amount of rudder in the REVERSE direction to stop the vessel from swinging beyond its desired course This is called counter rudder The KAP 833 autopilot has this feature built in A counter rudder setting of 1 gives no counter rudder steering suitable for light and manouverable vessels If you find your ship over steering when under autopilot control increase the counter rudder setting by a couple of steps and see if the next course change behaves better Once the correct setting is found for your vessel it should not need to be changed Note that when in POWER STEER mode you may prefer to set the counter rudder control to 1 Rudder Rudder Ratio Control This setting is
24. so sound when changing from one section of a GPS route to another and will cancel itself when the course change is completed No GPS Data Alarm The alarm sounds 0 2 seconds on 0 2 seconds off if the autopilot is not receiving valid information from the GPS The GPS light blinks on and off at the same rate as the audible alarm E Remote Unit Operation The Panel and Hand Remotes come with a 3 way switch for selecting POWER Off or AUTO features The Steering Lever can be supplied with or without a 3 way switch When the switch is fitted the Steering Lever is used in the same way as a Panel or Hand Remote When supplied without a switch the Lever is used as an Electric Wheel The Electric Helm or Steering Lever without switch are dash mounted units and control rudder angle by manually turning the wheel or moving the lever To engage AUTO Mode Panel or Hand Remote and Steering Lever Ensure the Remote Switch is Off and knob or lever is set to centre Move the remote switch from Off to AUTO Course Adjustment When AUTO mode is engaged turning the Remote knob or lever will alter the course to steer This change will be reflected on the digital heading display If the remote AUTO mode was engaged with remote knob at centre the course can be changed to port or stbd by 90 degrees To disengage AUTO Mode Either move the remote switch to Off which also disengages the autopilot or press the desired mode key on the KAP 8
25. splayed 902 Store compass calibration 903 Return to default compass calibration RES displayed 904 Factory test for calibration 905 Set limit switches Analogue Volt Dis PORT ARROW for port STBD ARROW for Stbd 908 Option remote r 1 Hand remote provision for 2 r 2 Active remote r 3 Hand remote plus power steer on pin 3 r 4 Basic remote plus power steer on pin 3 in standby mode Electric steering vessel r 5 When in power steer mode accept input from 3 Power steer mode from other inputs pin 1 and 2 selected by 4 being pulled high for 1 and low for 2 to be active Input 4 can be pulsed with a momentary push button to select the mode r 6 When in standby the system goes to power steer mode accepting input from 3 Power steer mode from other inputs pin 1 and 2 selected by 4 being pulled high for 1 and low for 2 tp be active Input 4 can pulsed with a momentary push button to select the mode When setting limit switches in vessel with only power steer Mode 908 allows movement of the rudder using the encoder or port and starboard buttons If remote system is r 5 or r 6 select 908 mode prior to selecting 905 limit switch mode Use encoder to move rudder to desired position Limits do not operate in this mode 32
26. to port 11 Red steering light should come on 12 Confirm that rudder moves to port NOTE AT NO TIME SHOULD THE AUTOPILOT DRIVE THE RUDDER INTO THE MECHANICAL STOPS 13 Press STANDBY key to leave auto mode The autopilot is now ready for full operational testing sea trials Testing should Only be carried out in clear waterways until you are familiar with the operation 28 Adjustments Rudder Limit The Rudder limit control is hardware preset There are physical limitations to the angle that the rudder can move through If the autopilot attempts to drive the rudder past these limits damage to the steering gear may occur An internal potentiometer VR101 RUDLIM is set to ensure that the KAP 833 will not drive the rudder past the set limits An internal control of the KAP 833 can then be used to limit the amount of rudder travel to an even narrower range This can be used to limit the rate of turn of the vessel Under normal operation the internal rudder limit control is set at maximum Rudder Limit Software Preset If the autopilot attempts to drive the rudder beyond its physical limits the steering gear may be damaged An internal rudder limit adjustment has been set to prevent this occurring The internal rudder limit control can then be used to restrict the rudder angle range even further and is intended to be used to prevent sharp turns rather than protect the autopilot system NOTE If the rudder feedback
27. when vessel is more than the set number of degrees from course to steer The off course light blinks on and off at the same rate as the audible alarm The angle at which this alarm sounds can be set to any desired limit including completely disabled O Angle Off Course An alarm will sound if the vessel has deviated from its desired course by more than a set number of degrees This can be caused by a number of steering faults any of which require attention by the crew The angle at which this alarm sounds may be set to any value between 1 and 180 degrees To set the off course alarm angle Enter the desired angle in degrees from the keypad and then press the off course button To examine the current off course alarm angle When no digits entered from the keypad press the off course button The currently set alarm angle in degrees will be displayed for two seconds When the allowable angle is exceeded the off course alarm will sound and the off course light will flash When the vessel is brought on to its correct course again the alarm will cease Changing to power steer or standby modes will cancel the alarm The default value for the off course angle ie the one set when the KAP 833 is turned on is 30 degrees Note that the alarm will sound if a large course change is entered eg from keypad preset course or course change knob This alarm will cease as soon as the vessel completes its course change The alarm may al
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