Volvo Penta D4 Series Operator's Manual page 124

Calibration and Settings
122
1 Turn the ignition on and move the control levers to
neutral.
2 Start the engines.
Activate calibration mode by depressing the dock-
ing button for 5 seconds.
An audible signal confirms that docking mode is
activated and both lamps on the joystick lights up.
3 Move the joystick sideways as far as it will go in one
direction.
Correct boat movements by moving the joystick up
and down, and by turning it.
4 When the boat is moving straight abeam, depress
the docking button once again.
5 An audible signal will sound and both lamps on the
joystick will flash to confirm that calibration is com-
plete and stored. The system is now in docking
mode.
When the joystick returns to the central position the
lamps will stop flashing and will instead show continu-
ously.
47702599 12-2011