Motor output
Shows the amount of power needed to achieve the correct rudder
speed. The reading is obtained from the Rudder test.
The automatically set value may be increased or decreased.
Rudder deadband
This parameter is used to prevent the rudder from hunting. The
reading is obtained from the Rudder test which optimizes the
deadband to the speed of the boat and the pressure on the rudder.
If the auto-setting does not perform properly due to high inertia
from the wheel or a loose steering gear, it can be adjusted manually.
Find the lowest possible value that will prevent the rudder from
continuous hunting. A wide deadband causes inaccurate steering.
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Note: The rudder deadband setting is not available when
the autopilot is configured for Virtual Rudder Feedback.
Seatrials
A seatrial can only be performed if the dockside settings are
completed and confirmed. The seatrial must always be performed in
open waters at a safe distance from other traffic.
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Note: You can switch the autopilot to standby mode and
take manual control of the boat at any time during the
seatrial by pressing the STBY key on the OP40.
The following seatrial calibration should be done:
• Compass calibration; used to automatically compensate for on-
board magnetic interference
• Compass offset adjustment, used to compensate for a fixed
offset in the final heading readout
• Wind vane offset is to compensate for a wind vane that is not
mounted facing in exactly the same direction as the bow of the
vessel (dead ahead)
• Boat speed calibration
• Transition HI/LO speed setting (the speed at which you want to
change the set of steering parameters)
• Automatic tuning of the steering parameters
• Setting the seastate filter
• Sailboat Setup menu items
28
Software Setup | GO7 Installation Manual
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