Simrad H1000 Manual rudder gain, Setting the rudder gain manually, Rudder gain value table

h1000 pilot

calibration

seatrial calibration

manual rudder gain

1.Steer the boat onto a suitable heading and allow time for the boat to settle on this course.

2.Select Compass Mode by repeatedly pressing the MODE key.

3.Press the ON key on any h1000 pilot display or hand-held controller.

4.The autopilot will now steer the boat on the selected heading.

5.At a speed not exceeding 15 knots, make course changes of at least 120θ, by multiple presses of the 10θ course change buttons on any h1000 pilot display or hand-held controller.

6.Observe and estimate the rate of turn. It should be approximately 7θ to 8θ per second. (To estimate the rate of turn the display is updated every 1 second, therefore the heading display should jump in 7θ to 8θ steps).

7.Observe the performance of the pilot when changing course.

8.If the rudder gain value is too low, the autopilot will understeer, causing sluggish steering. If the rudder gain value is too high, the autopilot will oversteer, causing erratic steering and excessive rudder movements. In high-speed boats, this could cause a jerky response and dangerous rates of turn.

9.Adjust the rudder gain value for best steering performance. Use the minimum value necessary to maintain a good response to course changes and course keeping without excessive rudder movement.

setting the rudder gain manually

The autopilot must be disengaged and Sea Trial calibration mode selected to adjust the rudder gain value.

rudder gain value table

Boat Type	Default Value	Typical Values
Sail Boats	2.00	1.50 to 2.20
Power Boats	0.80	0.70 to 1.00

Note: the default value is selected by setting boat type and rudder drive type during calibration.

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