SEALINE S450, Owner'S Manual

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MANOEUVERING WITH THE JOYSTICK
Joysticks - Readers must refer to the OEM's
literature before attempting to operate equipment.
The joystick provides an intuitive driver interface to
manoeuvre the vessel.
Operating the vessel with the joystick is well suited
for close quarter operations and when docking.
The joystick causes the computer control system to
automatically calculate the steering angle of each
drive, the throttle level, the proper shift and clutch slip
percentage to push or rotate the boat in a direction
corresponding to the joystick movement or twist. For
example, if you move the joystick sideways, the
computer control system applies a thrust to the boat
in the sideways direction.
The joystick can be moved in any direction, and the
boat moves in that direction without turning. For
example, moving the joystick to port causes the boat
to move sideways to port.
Rotating the joystick creates forces that cause the
boat to rotate around its centre. The joystick can be
moved and rotated at the same time, allowing for
very intricate movements for manoeuvring in tight
quarters.
The computer control system automatically attempts
to dampen bow swinging during joystick operation. If
the joystick is not twisted, the computer measures
the yaw rate of the boat and actively try to counteract
the yaw motion of the boat.
Typical Volvo joystick
To manoeuvre the boat with the joystick:
Move both throttle levers to the neutral position.
Move the joystick in the direction that you want
the boat to move, or twist the joystick in the
direction that you want the boat to rotate. The
joystick can be moved and rotated at the same
time.