PILOTSTAR D
2--22
3060.DOC012
Edition: March 13, 2009
2.2.10
The Operating Mode HEADING CONTROL with TRIM FUNCTION (Work Mode)
The trim mode should be used when the vessel is operating at reduced speed, such as
towing or fishing, due to the elimination of automatic rudder limits. It should never be
used in a case where large rudder movements would cause the vessel to react violently
or become unstable.
On actuating this double--function key
twice
, the autopilot system changes over to
the operating mode of heading control / TRIM.
The 2nd set of parameters becomes effective in terms of control engineering
(TRIM YAW, TRIM RUD and TRIM CNT).
The parameters of the 2nd set of parameters belong to the operational parameters
and are designated with the additional designation of TRIM... (see Chapter 2.3).
The rudder limitation is cancelled.
The instantaneous
HEADING
is accepted as
SET HEADING
presetting.
The LED panel
Man
goes out; the LED panel
Trim
lights up (GREEN); the LED
panel
Auto
lights up.
A new
SET HEADING
The heading change manoeuvre is initiated immedi-
ately; the ship starts turning into the preselected
SET HEADING.
ATTENTION
A new
SET HEADING
is adjusted via the
rotary knob
(resolution 0.5
).
During a heading change manoeuvre, the OFF HEADING monitoring is de--acti-
vated.
If set heading data is above 180
_
the ship will follow the direction entered.
The vessel will
NOT
change over the shorter route.
Trimming
the rudder presetting
By actuating the keys, an additional manual rudder preselection can be adjusted. It
is by means of this rudder presetting, that drift effects or strong unbalances can
quickly be compensated. The trim rudder position is changed by 1
steps. The
heading control remains active, the automatic rudder bias component is now inef-
fective.
On actuating the keys simultaneously, rudder presetting will immediately be reset
to 0
. Simultaneously, the automatic rudder bias component will be effective again.
The manual trim rudder value is not stored; on changing the operating mode, the
trim rudder value is automatically reset to 0
.
Trim
Man
Auto
On/Off
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