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when the AP9 MK3 is switched off. If the OFF-button is released
before two seconds have elapsed, the autopilot will continue to
operate as before and the alarm signal is automatically reset.
Rudder commands will stop as long as the OFF-button is pressed. All
pre-set parameters in the autopilot are stored while the unit is
switched off.
ALARM
The acoustic alarm is reset by pressing the alarm reset button.
Alarm messages shown on the information display are described on
page 2-25. Fault Warnings.
Thruster/rudder parameters
When the autopilot is connected to a thruster in addition to the
rudder, a separate Thruster Switch will enable a second set of
parameters to control the thruster. Whenever the Thruster Mode is
selected, all parameters can be individually set for optimal
performance from the thruster, while the parameters used for
Rudder-steering are saved and resumed when the Thruster Switch is
set to "RUDDER".
2.4
Parameter setting
When the "RUDDER" and "WEATHER" buttons are pressed
Note !
simultaneously, IDEAL parameters are recalled, provided the parameters
have been stored earlier (during sea-trial). See installation section, page 5-
69.
General
The middle section of the AP9 MK3 control unit contains 8 push
buttons and an information display. The display shows selected
mode, deviation from set course, parameter settings and other user
information. The text in the information display can be shown in one
of four selectable languages: English, French, Spanish or Norwegian
(see page 5-40).
When RUDDER, COUNTER RUDDER, WEATHER or ILLUM
buttons are pressed, the display shows which button has been
activated and to what level the value has been set by the number of
bars as well as in plain figures. The display returns to normal read-
out, showing the selected mode one minute after the last press on one
of the buttons.
The ability of the autopilot to steer a vessel is not only dependent
upon the control logic used, but also the hull shape of the vessel, the
steering gear and the weather conditions. The AP9 MK3 can be set up
to steer almost any vessel. During normal day to day operation
20169223D
Operation
2-3
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