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Chapter 2: Using the Wheel Pilot

21

2

U

sin

g

the Wh

eel
Pi

lo

t

Tidal stream compensation

Under most operating conditions, Track mode will hold the selected
track to within ±0.05 nm (300 ft) or better.

The autopilot takes account of the boat’s speed when computing
course changes to ensure optimum performance over a wide range of
boat speeds. If speed data is available, the autopilot will use the
measured boat speed. Otherwise it will use the default cruise speed
entered in Calibration Level 5 (see page 64).

D3261-2

Waypoint 2

Waypoint 1

Tidal component

Boat's speed through w

ater

Boat's speed over ground

81194_1.book Page 21 Wednesday, July 25, 2001 12:10 PM

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Содержание Autohelm ST3000

Страница 1: ...Distributed by Any reference to Raytheon or RTN in this manual should be interpreted as Raymarine The names Raytheon and RTN are owned by the Raytheon Company...

Страница 2: ...ST3000 Wheel Drive Autopilot Owner s Handbook Document number 81194 1 Date June 2001...

Страница 3: ...eaTalk and SportPilot are registered trademarks of Raymarine Ltd Raymarine AST Advanced Steering Technology AutoAdapt AutoLearn AutoRelease AutoSeastate AutoTack AutoTrim FastTrim GyroPlus RayGyro Ray...

Страница 4: ...17 Returning to Auto from Track mode 20 Cross track error XTE 20 Tidal stream compensation 21 Waypoint arrival and advance 22 Dodges in Track mode 22 Safety in Track mode 23 Warning messages in Track...

Страница 5: ...5 2 Initial sea trial 56 Calibrating the compass 56 Autopilot operation 58 5 3 Adjusting autopilot performance 59 Chapter 6 Adjusting Wheel Pilot Settings 61 6 1 Introduction 61 Adjusting calibration...

Страница 6: ...operating modes Standby mode autopilot off Auto mode autopilot engaged and locked onto a heading Track mode autopilot on and maintaining a track between two waypoints created on a navigation system W...

Страница 7: ...vide optimum performance with many types of boat and steering systems ST3000 wheel drive unit The wheel drive unit is attached by a single pin to a clevis permanently fixed to the cockpit structure Dr...

Страница 8: ...0 7 A and 2 5 A depending on boat trim helm load and sailing conditions Operating temperature 0 C to 70 C 32 F to 158 F Control unit 6 button digital keypad Liquid Crystal Display LCD showing heading...

Страница 9: ...ranty benefits Handbook information To the best of our knowledge the information in this handbook was correct when it went to press However Raymarine cannot accept liabilityforanyinaccuraciesoromissio...

Страница 10: ...the skipper s responsibility to ensure the safety of the boat at all times by following these basic rules Ensure that someone is present at the helm AT ALL TIMES to take manual control in an emergency...

Страница 11: ...6 ST3000 Wheel Drive Autopilot Owner s Handbook 1 Introduction...

Страница 12: ...Part 1 Using the Wheel Pilot Part 1 Using the Wheel Pilot...

Страница 13: ...Part 1 Using the Wheel Pilot...

Страница 14: ...e the boat s current compass heading The wheel pilot is controlled using simple push button operations The control unit confirms all button presses with a short beep In addition to the main single key...

Страница 15: ...l pilot will enter Auto mode and the display willshowan A forauto alongsidethelockedautopilotheading Disengaging the autopilot Standby mode To return to hand steering 1 Press standby the wheel pilot w...

Страница 16: ...ilot Changing course In Auto mode use the 1 and 10 port and 1 and 10 starboard keys to change course in steps of 1 and 10 For example press 10 three times for a 30 course change to port Port Starboard...

Страница 17: ...nd 10 together Dodging obstacles 1 To avoid an obstacle when you boat is under autopilot control select a course change in the appropriate direction For example press 10 three times for a 30 dodge to...

Страница 18: ...he off course alarm sounds if the locked autopilot heading and the boat s current heading differ by more than the value set in Calibration Level 6 see page 64 for 20 seconds Cancelling the off course...

Страница 19: ...Minimum deadband provides the tightest course keeping possible at the expense of increased power consumption and drive unit activity To switch back to AutoSeastate press 1 and 1 again Note The autopil...

Страница 20: ...Gusting conditions In gusting conditions the course may tend to wander slightly particularlyifthesailsarebadlybalanced Byimprovingsailbalance you can improve course keeping If you take the following p...

Страница 21: ...ode press 1 and 1 together to switch the illumination between on L1 and off L0 to return to the previous mode either wait 10 seconds or press the appropriate mode key Note The wheel pilot normally pow...

Страница 22: ...will overshoot excessively and may even circle For this reason the Larger Cross Track Error alarm seepage 24 is displayed whenever cross track error is 0 3 nm or greater The requirement to remain wit...

Страница 23: ...0 and 10 together to enter Track mode 4 An alarm will sound and the display will alternate between the bearing to waypoint and the direction the boat will turn to take up the new track 5 Check that it...

Страница 24: ...requires additional care as tidal streamshave afarmoresignificant effect at lowerspeeds thanat higher speeds In general terms if the tidal flow is less than 35 of the boat s speed you will not notice...

Страница 25: ...ack error XTE Cross trackerror XTE is thedistance betweenyourcurrent position and the planned route This is displayed in nautical miles nm and is taken directly from your navigator The wheel pilot dis...

Страница 26: ...account of the boat s speed when computing course changes to ensure optimum performanceover a wide range of boat speeds If speed data is available the autopilot will use the measured boat speed Other...

Страница 27: ...direction the boat will turn to acquire it Advance When the waypoint advance alarm is sounding the wheel pilot will suspend Track mode and maintain the current heading check that it is safe to turn o...

Страница 28: ...iven by the navigation system Check for fixed positional errors and compensate for them Verifying computed positions Always verify the computed position with a dead reckoned position calculated from t...

Страница 29: ...he turn momentarily press 10 and 10 together thepilotwill turnontothenew bearingandtracktowardsthenext waypoint Note Waypointadvancewillonlyoperateifyourpilotreceivesvalid bearing to waypoint and wayp...

Страница 30: ...epilotusesWindTrimtoeliminatetheeffects of turbulence and short term wind variations This provides smooth precise performance with minimum power consumption Wind Vane mode uses the fluxgate compass as...

Страница 31: ...evious apparent wind angle 1 Press and hold STANDBY and AUTO together for 1 second 2 The display flashes the previous locked heading for 10 seconds 3 While the display is flashing press STANDBY and AU...

Страница 32: ...WindTrim filters the wind vane output This provides optimum response for offshore conditions where genuine shifts in wind direction occur gradually In gusting and unsteady inshore conditions it is bes...

Страница 33: ...28 ST3000 Wheel Drive Autopilot Owner s Handbook 2 Using the Wheel Pilot...

Страница 34: ...ine cabling checks Make sure all connections are firmly attached Examine the cable for signs of wear or damage replace any damaged cables Cleaning the wheel pilot Ifthewheeldriveorcontrolunitaredirty...

Страница 35: ...d free from corrosion If the connections are secure refer to the following Fault Finding section If you cannot trace or rectify the fault contact either your national distributor service representativ...

Страница 36: ...n Northern hemisphere orSoutherlyheadingsin Southern hemisphere Northerly Southerly heading correction not set up see page 65 Display shows CAL OFF when entering calibration Calibration access hasbeen...

Страница 37: ...32 ST3000 Wheel Drive Autopilot Owner s Handbook 3 Maintenance Fault Finding...

Страница 38: ...Part 2 Installing the Wheel Pilot Part 2 Installing the Wheel Pilot...

Страница 39: ...Part 2 Installing the Wheel Pilot...

Страница 40: ...nsurethatperformanceisnotcompromised Althoughevery effort hasbeen taken to ensure that theywill perform under all conditions it is important to understand what factors could affect the operation of th...

Страница 41: ...EMC performance and must be avoided unless doing so is detailed in the installation manual Ifasuppressionferriteisattachedtoacable thisferriteshouldnot be removed If the ferrite needs to be removed d...

Страница 42: ...alled fluxgate compass and therefore has some restrictions on mounting position The control unit should be sited where it can be operated easily from the steering position at least 80 cm 2 5 ft away f...

Страница 43: ...omwaterproofplugandsocket Theplugcomesreadyassembled and the socket can be mounted in the cockpit area adjacent to the autopilot The control unit supplies power to the wheel drive unit via a cable plu...

Страница 44: ...00 control unit to the SeaTalk bus you will need a suitable SeaTalk interface cable part numbers D229 flat moulded plug D179 male round plug D181 female round plug or a plugged SeaTalk cable with one...

Страница 45: ...s flat moulded round plug to bare ends Part no Type Length D229 Flat moulded plug to bare ends 1 m 3 ft 3 in D179 Male round plug to bare ends 3 m 9 ft 10 in D181 Female round plug to bare ends 3 m 9...

Страница 46: ...nect NMEA equipment you will need to use a SeaTalk NMEA interface part number E85001 to convert the NMEA information into SeaTalk data You can then connect the SeaTalk NMEA interface to the SeaTalk so...

Страница 47: ...template 3 Fit the plug cap to the socket body 4 Locate the O ring seal into the groove between the plug cap and socket body 5 Cut and stripback the power cables and SeaTalk cables iffitted 6 Thread...

Страница 48: ...wise steering performance will be impaired Attaching the wheel drum The drum is clamped to the wheel spokes using the three U bolts provided You can use the standard wheel drum on wheels with 3 5 or 6...

Страница 49: ...on the drum until it is central with a total run out less than 2 mm 1 16 in when the drum is central on the wheel tighten the clamp nuts Mounting the drive unit and belt Standard installation The driv...

Страница 50: ...tate the clutch lever fully clockwise against its stop i e to the tight belt position and then offer the clevis against the vertical side wall 3 Move the clevis down against the side wall until the be...

Страница 51: ...t and draw around the inside of the elongated fixing holes on the clevis 6 Drill two 8 mm 5 16 in clearance holes for the clevis fixing bolts at the lower end of each elongated hole position This allo...

Страница 52: ...the splined eccentric bush to ensure that the lever can rotate 180 without obstruction 9 Check the belt tension when the belt is tensioned by rotating the clutch lever fully clockwise you should be ab...

Страница 53: ...44 Attach the pedestal bracket as follows 1 Loosely attach the mounting clevis to the pedestal bracket using the backing plate and the two bolts provided 2 Attachthemountingclevistothedriveunitusingth...

Страница 54: ...Installing the Wheel Pilot 4 Move the bracket down against the pedestal until the belt is just taut The slide the pedestal bracket around the pedestal and rotating the clevis bracket to ensure that th...

Страница 55: ...the pedestal bracket carefully draw around its base and inside its the elongated fixing holes 6 Tighten the clevis mounting bolts 7 Drill four 4 3 mm 11 64in pilot holes for the pedestal bracket fixi...

Страница 56: ...ration If necessary reposition the clutch lever on the splined eccentric bush to ensure that the lever can rotate 180 without obstruction 10 Check the belt tension when the belt is tensioned by rotati...

Страница 57: ...belt alignment with the wheel drum Alternative drive unit mounting positions Thewheeldriveunitmaybepositionedoneithertheportorstarboard side of the wheel The fluxgate compass is calibrated to give co...

Страница 58: ...234 This shows the autopilot is active Note If the wheel pilot does not beep or display the compass heading please refer to the Fault Finding section see page 30 Operating sense The operating sense de...

Страница 59: ...lows 1 Set up a track on the navigator to give a Cross Track Error between 0 nm and 0 3 nm 2 Enter Auto mode by pressing AUTO 3 Enter Track mode by pressing 10 and 10 together 4 After 3 seconds the pi...

Страница 60: ...other instruments or control units via SeaTalk check the link as follows 1 Press STANDBY on the ST3000 control unit 2 Select display illumination level0 LAMP0 on any otherSeaTalk instrument or autopil...

Страница 61: ...ou have completed the sea trial You must carry out the initial sea trial in conditions of light wind and calm water so you can assess the autopilot s performance without the influence of strong winds...

Страница 62: ...peed below 2 knots turn the boat in slow circles You should take at least 3 minutes to complete each 360 3 Keep turning your boat until the display changes to show the amount of deviation the autopilo...

Страница 63: ...strument refer to Steering Compass handbook instructions Further adjustments to heading alignment If the heading alignment requires further adjustment after the initial sea trial 1 Enter Compass Devia...

Страница 64: ...speeds a course change of 40 should result in a crisp turn followed by an overshoot of no more than 5 If this occurs the rudder gain is set correctly Ifruddergainistoohigh the40 coursechangewillresult...

Страница 65: ...Wheel Pilot Settings for instructions on how to adjust the rudder gain setting 3 Repeat the test until you achieve crisp course changes with no more than 5 of overshoot You should set the rudder gain...

Страница 66: ...aintain a selected heading the rudder activity is too high or the course keeping is not tight enough the boat appears to be unstable on Northerly headings or Southerly headings in the southern hemisph...

Страница 67: ...ANGES QUITTING CALIBRATION AND SAVING ANY CHANGES ADJUSTING CALIBRATION FEATURES OR PRESS STANDBY AGAIN FOR 5 SECONDS WITHIN 10 SECONDS TO ENTER CALIBRATION Calibration menu D5627 1 SECOND Boat s lati...

Страница 68: ...previous settings If the display shows CAL OFF when you try to enter calibration refer to page 66 Default calibration values The following table shows the default calibration values These will provide...

Страница 69: ...a navigation system the wheel pilot uses the boat s average cruising speed to perform track calculations Note If a SeaTalk speed instrument is connected boat speed data will be transmitted directly t...

Страница 70: ...misphere You might notice that the autopilot tends to be a little less stable on NortherlyheadingsinthehigherlatitudesoftheNorthernhemisphere or Southerly headings in the Southern hemisphere This is c...

Страница 71: ...e correction is switched off in Calibration Level 10 i e set to 0 Level 11 will be omitted When you press the AUTO key in Calibration Level 10 you will advance to Level 13 Controlling access to calibr...

Страница 72: ...Drill 2 5 mm 3 32 inch diameter hole 2 positions Drill 18 mm 23 32 inch diameter hole SeaTalk socket template D5658 1...

Страница 73: ......

Страница 74: ...09 Magnetic variation 65 Level 10 Heading error 65 Level 11 Boat s current latitude 66 Changing course 11 14 Commissioning the wheel pilot 53 60 Adjusting rudder gain 59 Functional tests 53 55 Initial...

Страница 75: ...previous heading 13 Rudder gain 59 64 S SeaTalk Accessory cables 40 Servicing 29 Southerly heading error correction 65 Specifications 3 T Track mode 17 24 Cross track error 20 Dodging obstacles 22 En...

Страница 76: ...in impeller carriers impellers impeller bearings and impeller shaft are specifically excluded from this Warranty Magnetrons Cathode Ray Tubes CRT TFT Liquid Crystal Displays LCD and cold cathode fluo...

Страница 77: ...elephone 1 800 539 5539 Ext 2333 or 1 603 881 5200 Ext 2333 Customer Support Telephone 44 0 23 9271 4713 Fax 44 0 23 9266 1228 Technical Support Telephone 1 800 539 5539 Ext 2444 or 1 603 881 5200 Ext...

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