AutoHelm ST 2000 Plus - Comcast.net

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58 ST1000 Plus & ST2000 Plus Tiller Pilots - Owner’s Handbook5 Commissioning the Tiller PilotFurther adjustments to heading alignmentIf the heading alignment requires further adjustment, enter CompassDeviation Correction again by pressing standby for 1 second.1. Press auto to skip Deviation Correction and proceed to HeadingAlignment.2. Adjust the heading as described above.Autopilot operationHaving calibrated the compass, the following procedure isrecommended to familiarize yourself with autopilot operation:1. Steer onto a compass heading and hold the course steady.2. Place the pushrod end over the tiller pin.3. Press auto to lock onto the current heading. The tiller pilot shouldachieve a constant heading in calm sea conditions.4. Alter course to port or starboard in multiples of 1° and 10°.PortStarboardoror5. Press standby and remove the pilot to return to hand steering.5.3 Adjusting autopilot performanceD3320-2The factory setting for rudder gain provides stable control for initialsea trials. However, different boats can vary widely in their responseto the helm and further adjustment to the rudder gain may improve theautopilot’s steering characteristics.
Chapter 5: Commissioning the Tiller Pilot 59The following test will determine whether the rudder gain is set toohigh or too low.1. In clear water and with the autopilot in Auto mode, alter course tostarboard by 40° by pressing +10 four times.• At cruising speeds, a course change of 40° should result in acrisp turn followed by an overshoot of no more than 5°.If this occurs the rudder gain is set correctly.• If rudder gain is too high, the 40° course change will result in adistinct overshoot of more than 5° (A).Correct this oversteer by reducing the rudder gain setting.• If rudder gain is too low, the boat’s steering performance willbe sluggish – it will take a long time to make the 40° turn andthere will be no overshoot (B).Correct this understeer by increasing the rudder gain setting.5 Commissioning the Tiller PilotRudder gaintoo lowRudder gaintoo highNewheadingBNewheadingANewheadingCorrectrudder gainD3262-2Note: It is easier to recognize these actions in calm sea conditionswhere wave action does not mask basic steering performance.2. Refer to the calibration menu diagram in Chapter 6: AdjustingTiller Pilot Settings, for instructions on how to adjust the ruddergain setting.3. Repeat the test until you achieve crisp course changes with nomore than 5° of overshoot.You should set the rudder gain to the lowest setting consistent withaccurate course keeping. This will minimize drive movements andreduce power consumption and wear and tear.
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ST1000 Plus &ST2000 PlusTiller Pilo
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PrefaceiiiContentsChapter 1: Introd
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Chapter 1: Introduction 1Chapter 1:
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Chapter 1: Introduction 31.3 About
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Part 1:Using theTiller PilotPart 1:
Page 11 and 12: Chapter 2: Using the Tiller Pilot 7
Page 31 and 32: Chapter 3: Maintenance & Fault Find
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Page 35 and 36: Part 2:Installing theTiller PilotPa
Page 37 and 38: Chapter 4: Installing the Tiller Pi
Page 55 and 56: Chapter 5: Commissioning the Tiller
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Page 65 and 66: Chapter 6: Adjusting Tiller Pilot S
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Page 74 and 75: 70 ST1000 Plus & ST2000 Plus Tiller
Page 76: Factory Service CentersUnited State
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