36 SmartPilot Series Commissioning Guide
To adjust the rudder gain:
1. Access the RUDD GAIN screen in Dealer Calibration.
2. Use the -1 or +1 keys or the rotary control to adjust the rudder gain.
3. Press and hold standby for 2 seconds to save the changes.
4. Press auto to check SmartPilot performance in Auto mode.
Adjusting the counter rudder
If you intend to use RESPONSE level 3 (the tightest possible course-keeping) on
a Non-G system, you will need to adjust the counter rudder.
Counter rudder is the amount of rudder the SmartPilot applies to try to prevent the
boat from yawing off course. Higher counter rudder settings result in more rudder
being applied.
To check the counter rudder setting
1. Set RESPONSE to level 3 (see
page 35
)
2. Sail your boat at cruising speed in clear water
3. Press auto to switch the SmartPilot to Auto mode, then make a 90° course
change:
• when gain and counter rudder are both set correctly, the boat performs a
smooth continuous turn with minimal overshoot
• if the counter rudder is too low, the boat will still overshoot
• if counter rudder is too high, the boat will ‘fight’ the turn and make a
series of short, sharp turns: this results in a very ‘mechanical’ feel as the
boat changes course
New
heading
New
heading
A
New
heading
B
Correct
rudder gain
Rudder gain
too high
Rudder gain
too low
D3262-3
81273_1.book Page 36 Thursday, November 10, 2005 8:25 AM
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