Raymarine SmartPilot X-5R Drive Installation & Setup

Contents

Raymarine SmartPilot X-5R Drive Installation & Setup Manual pdf 53 page image

Chapter 3: Commissioning & Setup 45Rudder gainBoats can vary widely in their response to helm, and by adjusting the rudder gain youcan change the SPX-5R Drive system’s steering characteristics. Rudder gain is ameasure of how much helm the SPX-5R Drive system applies to correct course errors– higher settings mean more rudder is applied.CheckingComplete the following test to determine whether the rudder gain is set correctly:1. Ensure you have set the SPX-5R Drive response to level 5, as described above.2. Motor your boat at a typical cruising speed in clear water.It is easier to recognize the steering response in calm sea conditions where waveaction does not mask steering performance.3. Press auto to enter Auto mode, then alter course by 40°:• if the rudder gain is adjusted correctly, the 40° course change should result ina crisp turn followed by an overshoot of no more than 5°.• if the rudder gain setting is too high, the 40° course change will result in a dis-tinct overshoot of more than 5° and there may be a distinct ‘S’ in the course (A)Correct this oversteer by reducing the rudder gain setting.• if the rudder gain is too low, the boat’s performance will be sluggish – it will takea long time to make the 40° turn and there will be no overshoot (B).Correct this understeer by increasing the rudder gain setting.AdjustingTo adjust the rudder gain:1. Enter Dealer calibration as described on page 35.2. Use disp as necessary to access the RUDD GAIN screen.3. Use -1 or +1 to adjust the rudder gain.4. Hold down standby for 2 seconds to save the changes and leave Dealer calibra-tion.5. Press auto to check the SPX-5R Drive system performance in Auto mode.NewheadingNewheadingANewheadingBCorrectrudder gainRudder gaintoo highRudder gaintoo lowD10472-1